Swift Package Index

Build Information

Successful build of MetalHLO, reference main (7fabaa), with Swift 6.3 for macOS (SPM) on 14 Oct 2026 06:30:38 UTC.

Swift 6 data race errors: 0

Build Command

env DEVELOPER_DIR=/Applications/Xcode-26.5.0.app xcrun swift build --arch arm64

Build Log

531 |
532 |         guard info == 0 else {
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Runtime/MetalExecutor.swift:614:9: warning: 'sgeqrf_' was deprecated in macOS 13.3: The CLAPACK interface is deprecated.  Please compile with -DACCELERATE_NEW_LAPACK to access the new lapack headers. [#DeprecatedDeclaration]
612 |         var wkopt = Float(0)
613 |         var lwork = __CLPK_integer(-1)
614 |         sgeqrf_(&lm, &ln, &a, &lda, &tau, &wkopt, &lwork, &info)
    |         `- warning: 'sgeqrf_' was deprecated in macOS 13.3: The CLAPACK interface is deprecated.  Please compile with -DACCELERATE_NEW_LAPACK to access the new lapack headers. [#DeprecatedDeclaration]
615 |         lwork = __CLPK_integer(wkopt)
616 |         var work = [Float](repeating: 0, count: Int(max(1, lwork)))
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Runtime/MetalExecutor.swift:617:9: warning: 'sgeqrf_' was deprecated in macOS 13.3: The CLAPACK interface is deprecated.  Please compile with -DACCELERATE_NEW_LAPACK to access the new lapack headers. [#DeprecatedDeclaration]
615 |         lwork = __CLPK_integer(wkopt)
616 |         var work = [Float](repeating: 0, count: Int(max(1, lwork)))
617 |         sgeqrf_(&lm, &ln, &a, &lda, &tau, &work, &lwork, &info)
    |         `- warning: 'sgeqrf_' was deprecated in macOS 13.3: The CLAPACK interface is deprecated.  Please compile with -DACCELERATE_NEW_LAPACK to access the new lapack headers. [#DeprecatedDeclaration]
618 |         guard info == 0 else {
619 |             throw ExecutorError.generalError("LAPACK sgeqrf failed with info=\(info)")
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Runtime/MetalExecutor.swift:636:9: warning: 'sorgqr_' was deprecated in macOS 13.3: The CLAPACK interface is deprecated.  Please compile with -DACCELERATE_NEW_LAPACK to access the new lapack headers. [#DeprecatedDeclaration]
634 |         wkopt = 0
635 |         lwork = __CLPK_integer(-1)
636 |         sorgqr_(&lm, &lqcols, &lk, &a, &lda, &tau, &wkopt, &lwork, &info)
    |         `- warning: 'sorgqr_' was deprecated in macOS 13.3: The CLAPACK interface is deprecated.  Please compile with -DACCELERATE_NEW_LAPACK to access the new lapack headers. [#DeprecatedDeclaration]
637 |         lwork = __CLPK_integer(wkopt)
638 |         work = [Float](repeating: 0, count: Int(max(1, lwork)))
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Runtime/MetalExecutor.swift:639:9: warning: 'sorgqr_' was deprecated in macOS 13.3: The CLAPACK interface is deprecated.  Please compile with -DACCELERATE_NEW_LAPACK to access the new lapack headers. [#DeprecatedDeclaration]
637 |         lwork = __CLPK_integer(wkopt)
638 |         work = [Float](repeating: 0, count: Int(max(1, lwork)))
639 |         sorgqr_(&lm, &lqcols, &lk, &a, &lda, &tau, &work, &lwork, &info)
    |         `- warning: 'sorgqr_' was deprecated in macOS 13.3: The CLAPACK interface is deprecated.  Please compile with -DACCELERATE_NEW_LAPACK to access the new lapack headers. [#DeprecatedDeclaration]
640 |         guard info == 0 else {
641 |             throw ExecutorError.generalError("LAPACK sorgqr failed with info=\(info)")
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Runtime/MetalExecutor.swift:723:9: warning: 'ssyevd_' was deprecated in macOS 13.3: The CLAPACK interface is deprecated.  Please compile with -DACCELERATE_NEW_LAPACK to access the new lapack headers. [#DeprecatedDeclaration]
721 |         var lwork = __CLPK_integer(-1)
722 |         var liwork = __CLPK_integer(-1)
723 |         ssyevd_(&jobz, &uplo, &ln, &a, &lda, &w, &wkopt, &lwork, &iwkopt, &liwork, &info)
    |         `- warning: 'ssyevd_' was deprecated in macOS 13.3: The CLAPACK interface is deprecated.  Please compile with -DACCELERATE_NEW_LAPACK to access the new lapack headers. [#DeprecatedDeclaration]
724 |         lwork = __CLPK_integer(wkopt)
725 |         liwork = iwkopt
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Runtime/MetalExecutor.swift:728:9: warning: 'ssyevd_' was deprecated in macOS 13.3: The CLAPACK interface is deprecated.  Please compile with -DACCELERATE_NEW_LAPACK to access the new lapack headers. [#DeprecatedDeclaration]
726 |         var work = [Float](repeating: 0, count: Int(max(1, lwork)))
727 |         var iwork = [__CLPK_integer](repeating: 0, count: Int(max(1, liwork)))
728 |         ssyevd_(&jobz, &uplo, &ln, &a, &lda, &w, &work, &lwork, &iwork, &liwork, &info)
    |         `- warning: 'ssyevd_' was deprecated in macOS 13.3: The CLAPACK interface is deprecated.  Please compile with -DACCELERATE_NEW_LAPACK to access the new lapack headers. [#DeprecatedDeclaration]
729 |
730 |         guard info == 0 else {
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Runtime/NeuralEngineTargeting.swift:933:13: warning: initialization of immutable value 'opMap' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
 931 |         function: HLOFunction
 932 |     ) -> Int {
 933 |         let opMap = Dictionary(uniqueKeysWithValues: function.operations.map { ($0.result, $0) })
     |             `- warning: initialization of immutable value 'opMap' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
 934 |         let partitionOpSet = Set(partition.operationIds)
 935 |         let partitionOps = function.operations.filter { partitionOpSet.contains($0.result) }
[#DeprecatedDeclaration]: <https://docs.swift.org/compiler/documentation/diagnostics/deprecated-declaration>
[#SendableClosureCaptures]: <https://docs.swift.org/compiler/documentation/diagnostics/sendable-closure-captures>
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Runtime/IntegratedExecutor.swift:925:17: warning: capture of 'completion' with non-Sendable type '(Result<ExecutionResult, any Error>) -> Void' in a '@Sendable' closure [#SendableClosureCaptures]
 923 |
 924 |             if let error = buffer.error {
 925 |                 completion(.failure(IntegratedExecutorError.executionFailed(error.localizedDescription)))
     |                 |- warning: capture of 'completion' with non-Sendable type '(Result<ExecutionResult, any Error>) -> Void' in a '@Sendable' closure [#SendableClosureCaptures]
     |                 `- note: a function type must be marked '@Sendable' to conform to 'Sendable'
 926 |                 return
 927 |             }
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Runtime/IntegratedExecutor.swift:940:36: warning: reference to captured var 'kernelTimings' in concurrently-executing code [#SendableClosureCaptures]
 938 |                     outputs: outputs,
 939 |                     executionTimeMs: executionTimeMs,
 940 |                     kernelTimings: kernelTimings
     |                                    `- warning: reference to captured var 'kernelTimings' in concurrently-executing code [#SendableClosureCaptures]
 941 |                 )
 942 |
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Runtime/IntegratedExecutor.swift:1209:22: warning: capture of 'base' with non-Sendable type 'UnsafeMutablePointer<(any MTLBuffer)?>' in a '@Sendable' closure [#SendableClosureCaptures]
1207 |                 // pointer initialization is safe under concurrency.
1208 |                 DispatchQueue.concurrentPerform(iterations: entries.count) { i in
1209 |                     (base + i).initialize(to: materialize(i, pooled: false))
     |                      `- warning: capture of 'base' with non-Sendable type 'UnsafeMutablePointer<(any MTLBuffer)?>' in a '@Sendable' closure [#SendableClosureCaptures]
1210 |                 }
1211 |             } else {
Swift.UnsafeMutablePointer:1:23: note: generic struct 'UnsafeMutablePointer' does not conform to the 'Sendable' protocol
1 | @frozen public struct UnsafeMutablePointer<Pointee> : Copyable where Pointee : ~Copyable {
  |                       `- note: generic struct 'UnsafeMutablePointer' does not conform to the 'Sendable' protocol
2 |     public let _rawValue: Builtin.RawPointer
3 |     public init(_ _rawValue: Builtin.RawPointer)
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Runtime/IntegratedExecutor.swift:1209:47: warning: capture of 'materialize(_:pooled:)' with non-Sendable type '(Int, Bool) -> (any MTLBuffer)?' in a '@Sendable' closure [#SendableClosureCaptures]
1207 |                 // pointer initialization is safe under concurrency.
1208 |                 DispatchQueue.concurrentPerform(iterations: entries.count) { i in
1209 |                     (base + i).initialize(to: materialize(i, pooled: false))
     |                                               |- warning: capture of 'materialize(_:pooled:)' with non-Sendable type '(Int, Bool) -> (any MTLBuffer)?' in a '@Sendable' closure [#SendableClosureCaptures]
     |                                               `- note: a function type must be marked '@Sendable' to conform to 'Sendable'
1210 |                 }
1211 |             } else {
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Runtime/IntegratedExecutor.swift:1179:14: warning: concurrently-executed local function 'materialize(_:pooled:)' must be marked as '@Sendable'
1177 |         // writes it through a disjoint pointer slot — never mutates a shared
1178 |         // Swift array from multiple threads.
1179 |         func materialize(_ i: Int, pooled: Bool) -> MTLBuffer? {
     |              `- warning: concurrently-executed local function 'materialize(_:pooled:)' must be marked as '@Sendable'
1180 |             switch plans[i] {
1181 |             case .none:
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Runtime/IntegratedExecutor.swift:1511:17: warning: capture of 'completion' with non-Sendable type '(Result<ExecutionResult, any Error>) -> Void' in a '@Sendable' closure [#SendableClosureCaptures]
1509 |         commandBuffer.addCompletedHandler { buffer in
1510 |             if let error = buffer.error {
1511 |                 completion(.failure(IntegratedExecutorError.executionFailed(error.localizedDescription)))
     |                 |- warning: capture of 'completion' with non-Sendable type '(Result<ExecutionResult, any Error>) -> Void' in a '@Sendable' closure [#SendableClosureCaptures]
     |                 `- note: a function type must be marked '@Sendable' to conform to 'Sendable'
1512 |                 return
1513 |             }
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Runtime/LayerAccumulationBuffer.swift:132:27: warning: result of call to 'withUnsafeBytes' is unused [#no-usage]
130 |             // Copy from Data
131 |             let dst = buffer.contents().advanced(by: offset)
132 |             snapshot.data.withUnsafeBytes { ptr in
    |                           `- warning: result of call to 'withUnsafeBytes' is unused [#no-usage]
133 |                 memcpy(dst, ptr.baseAddress!, min(ptr.count, config.snapshotBytes))
134 |             }
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Runtime/MetalExecutor.swift:527:9: warning: 'sgesdd_' was deprecated in macOS 13.3: The CLAPACK interface is deprecated.  Please compile with -DACCELERATE_NEW_LAPACK to access the new lapack headers. [#DeprecatedDeclaration]
525 |         var wkopt = Float(0)
526 |         var lwork = __CLPK_integer(-1)
527 |         sgesdd_(&jobz, &lm, &ln, &a, &lda, &s, &u, &ldu, &vt, &ldvt, &wkopt, &lwork, &iwork, &info)
    |         `- warning: 'sgesdd_' was deprecated in macOS 13.3: The CLAPACK interface is deprecated.  Please compile with -DACCELERATE_NEW_LAPACK to access the new lapack headers. [#DeprecatedDeclaration]
528 |         lwork = __CLPK_integer(wkopt)
529 |         var work = [Float](repeating: 0, count: Int(max(1, lwork)))
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Runtime/MetalExecutor.swift:530:9: warning: 'sgesdd_' was deprecated in macOS 13.3: The CLAPACK interface is deprecated.  Please compile with -DACCELERATE_NEW_LAPACK to access the new lapack headers. [#DeprecatedDeclaration]
528 |         lwork = __CLPK_integer(wkopt)
529 |         var work = [Float](repeating: 0, count: Int(max(1, lwork)))
530 |         sgesdd_(&jobz, &lm, &ln, &a, &lda, &s, &u, &ldu, &vt, &ldvt, &work, &lwork, &iwork, &info)
    |         `- warning: 'sgesdd_' was deprecated in macOS 13.3: The CLAPACK interface is deprecated.  Please compile with -DACCELERATE_NEW_LAPACK to access the new lapack headers. [#DeprecatedDeclaration]
531 |
532 |         guard info == 0 else {
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Runtime/MetalExecutor.swift:614:9: warning: 'sgeqrf_' was deprecated in macOS 13.3: The CLAPACK interface is deprecated.  Please compile with -DACCELERATE_NEW_LAPACK to access the new lapack headers. [#DeprecatedDeclaration]
612 |         var wkopt = Float(0)
613 |         var lwork = __CLPK_integer(-1)
614 |         sgeqrf_(&lm, &ln, &a, &lda, &tau, &wkopt, &lwork, &info)
    |         `- warning: 'sgeqrf_' was deprecated in macOS 13.3: The CLAPACK interface is deprecated.  Please compile with -DACCELERATE_NEW_LAPACK to access the new lapack headers. [#DeprecatedDeclaration]
615 |         lwork = __CLPK_integer(wkopt)
616 |         var work = [Float](repeating: 0, count: Int(max(1, lwork)))
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Runtime/MetalExecutor.swift:617:9: warning: 'sgeqrf_' was deprecated in macOS 13.3: The CLAPACK interface is deprecated.  Please compile with -DACCELERATE_NEW_LAPACK to access the new lapack headers. [#DeprecatedDeclaration]
615 |         lwork = __CLPK_integer(wkopt)
616 |         var work = [Float](repeating: 0, count: Int(max(1, lwork)))
617 |         sgeqrf_(&lm, &ln, &a, &lda, &tau, &work, &lwork, &info)
    |         `- warning: 'sgeqrf_' was deprecated in macOS 13.3: The CLAPACK interface is deprecated.  Please compile with -DACCELERATE_NEW_LAPACK to access the new lapack headers. [#DeprecatedDeclaration]
618 |         guard info == 0 else {
619 |             throw ExecutorError.generalError("LAPACK sgeqrf failed with info=\(info)")
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Runtime/MetalExecutor.swift:636:9: warning: 'sorgqr_' was deprecated in macOS 13.3: The CLAPACK interface is deprecated.  Please compile with -DACCELERATE_NEW_LAPACK to access the new lapack headers. [#DeprecatedDeclaration]
634 |         wkopt = 0
635 |         lwork = __CLPK_integer(-1)
636 |         sorgqr_(&lm, &lqcols, &lk, &a, &lda, &tau, &wkopt, &lwork, &info)
    |         `- warning: 'sorgqr_' was deprecated in macOS 13.3: The CLAPACK interface is deprecated.  Please compile with -DACCELERATE_NEW_LAPACK to access the new lapack headers. [#DeprecatedDeclaration]
637 |         lwork = __CLPK_integer(wkopt)
638 |         work = [Float](repeating: 0, count: Int(max(1, lwork)))
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Runtime/MetalExecutor.swift:639:9: warning: 'sorgqr_' was deprecated in macOS 13.3: The CLAPACK interface is deprecated.  Please compile with -DACCELERATE_NEW_LAPACK to access the new lapack headers. [#DeprecatedDeclaration]
637 |         lwork = __CLPK_integer(wkopt)
638 |         work = [Float](repeating: 0, count: Int(max(1, lwork)))
639 |         sorgqr_(&lm, &lqcols, &lk, &a, &lda, &tau, &work, &lwork, &info)
    |         `- warning: 'sorgqr_' was deprecated in macOS 13.3: The CLAPACK interface is deprecated.  Please compile with -DACCELERATE_NEW_LAPACK to access the new lapack headers. [#DeprecatedDeclaration]
640 |         guard info == 0 else {
641 |             throw ExecutorError.generalError("LAPACK sorgqr failed with info=\(info)")
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Runtime/MetalExecutor.swift:723:9: warning: 'ssyevd_' was deprecated in macOS 13.3: The CLAPACK interface is deprecated.  Please compile with -DACCELERATE_NEW_LAPACK to access the new lapack headers. [#DeprecatedDeclaration]
721 |         var lwork = __CLPK_integer(-1)
722 |         var liwork = __CLPK_integer(-1)
723 |         ssyevd_(&jobz, &uplo, &ln, &a, &lda, &w, &wkopt, &lwork, &iwkopt, &liwork, &info)
    |         `- warning: 'ssyevd_' was deprecated in macOS 13.3: The CLAPACK interface is deprecated.  Please compile with -DACCELERATE_NEW_LAPACK to access the new lapack headers. [#DeprecatedDeclaration]
724 |         lwork = __CLPK_integer(wkopt)
725 |         liwork = iwkopt
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Runtime/MetalExecutor.swift:728:9: warning: 'ssyevd_' was deprecated in macOS 13.3: The CLAPACK interface is deprecated.  Please compile with -DACCELERATE_NEW_LAPACK to access the new lapack headers. [#DeprecatedDeclaration]
726 |         var work = [Float](repeating: 0, count: Int(max(1, lwork)))
727 |         var iwork = [__CLPK_integer](repeating: 0, count: Int(max(1, liwork)))
728 |         ssyevd_(&jobz, &uplo, &ln, &a, &lda, &w, &work, &lwork, &iwork, &liwork, &info)
    |         `- warning: 'ssyevd_' was deprecated in macOS 13.3: The CLAPACK interface is deprecated.  Please compile with -DACCELERATE_NEW_LAPACK to access the new lapack headers. [#DeprecatedDeclaration]
729 |
730 |         guard info == 0 else {
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Runtime/NeuralEngineTargeting.swift:933:13: warning: initialization of immutable value 'opMap' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
 931 |         function: HLOFunction
 932 |     ) -> Int {
 933 |         let opMap = Dictionary(uniqueKeysWithValues: function.operations.map { ($0.result, $0) })
     |             `- warning: initialization of immutable value 'opMap' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
 934 |         let partitionOpSet = Set(partition.operationIds)
 935 |         let partitionOps = function.operations.filter { partitionOpSet.contains($0.result) }
[#DeprecatedDeclaration]: <https://docs.swift.org/compiler/documentation/diagnostics/deprecated-declaration>
[#SendableClosureCaptures]: <https://docs.swift.org/compiler/documentation/diagnostics/sendable-closure-captures>
[424/454] Compiling MetalHLOCore MetalEmitter.swift
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/CodeGenerator.swift:505:13: warning: initialization of immutable value 'totalElements' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
 503 |     ) -> (String, String, TuningConfig?) {
 504 |         let outputShape = outputShapes.first ?? []
 505 |         let totalElements = outputShape.reduce(1, *)
     |             `- warning: initialization of immutable value 'totalElements' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
 506 |         let entryPoint = "kernel_\(opKind.rawValue)"
 507 |         let metalType = metalTypeName(for: elementType)
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/CodeGenerator.swift:1438:13: warning: initialization of immutable value 'indexGridSize' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
1436 |             if i != dimNumbers.indexVectorDim { indexGridShape.append(s) }
1437 |         }
1438 |         let indexGridSize = max(indexGridShape.reduce(1, *), 1)
     |             `- warning: initialization of immutable value 'indexGridSize' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
1439 |
1440 |         // Non-collapsed, non-batched operand dims → these are offset dims in order
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/CodeGenerator.swift:1453:13: warning: initialization of immutable value 'offsetTotalSize' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
1451 |             offsetSizes.append(sliceSizes[d])
1452 |         }
1453 |         let offsetTotalSize = max(offsetSizes.reduce(1, *), 1)
     |             `- warning: initialization of immutable value 'offsetTotalSize' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
1454 |
1455 |         // Number of index components per grid point
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/CodeGenerator.swift:1456:13: warning: initialization of immutable value 'numIndexComponents' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
1454 |
1455 |         // Number of index components per grid point
1456 |         let numIndexComponents = dimNumbers.startIndexMap.count
     |             `- warning: initialization of immutable value 'numIndexComponents' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
1457 |
1458 |         // Indices stride for index_vector_dim
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/CodeGenerator.swift:1590:13: warning: initialization of immutable value 'sliceSizes' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
1588 |         let batchSize = operandShape[batchDim]
1589 |         let startIndexMap = dimNumbers.startIndexMap
1590 |         let sliceSizes = dimNumbers.sliceSizes
     |             `- warning: initialization of immutable value 'sliceSizes' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
1591 |         let numStartIndices = startIndexMap.count
1592 |
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/CodeGenerator.swift:2145:13: warning: initialization of immutable value 'updateElements' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
2143 |         let rank = operandShape.count
2144 |         let totalElements = operandShape.reduce(1, *)
2145 |         let updateElements = updateShape.reduce(1, *)
     |             `- warning: initialization of immutable value 'updateElements' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
2146 |
2147 |         // Calculate strides
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/CodeGenerator.swift:2772:13: warning: initialization of immutable value 'totalInputElements' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
2770 |     ) -> (String, String, TuningConfig?) {
2771 |         // Compute reduction parameters
2772 |         let totalInputElements = inputShape.reduce(1, *)
     |             `- warning: initialization of immutable value 'totalInputElements' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
2773 |         let reduceDimSorted = reduceDims.sorted()
2774 |
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/CodeGenerator.swift:2786:13: warning: initialization of immutable value 'outputCount' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
2784 |             if !reduceDimSorted.contains(i) { outputShape.append(s) }
2785 |         }
2786 |         let outputCount = max(outputShape.reduce(1, *), 1)
     |             `- warning: initialization of immutable value 'outputCount' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
2787 |
2788 |         // innerSize = product of dims after last reduce dim
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/CodeGenerator.swift:2790:13: warning: initialization of immutable value 'innerSize' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
2788 |         // innerSize = product of dims after last reduce dim
2789 |         let lastReduceDim = reduceDimSorted.last ?? 0
2790 |         let innerSize = lastReduceDim + 1 < inputShape.count
     |             `- warning: initialization of immutable value 'innerSize' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
2791 |             ? inputShape.suffix(from: lastReduceDim + 1).reduce(1, *)
2792 |             : 1
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/CodeGenerator.swift:3038:13: warning: initialization of immutable value 'outputCount' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
3036 |             outputShape.append(s)
3037 |         }
3038 |         let outputCount = max(outputShape.reduce(1, *), 1)
     |             `- warning: initialization of immutable value 'outputCount' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
3039 |
3040 |         // innerSize = product of dims after the last reduced dim, so the scan
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/CodeGenerator.swift:3043:13: warning: initialization of immutable value 'innerSize' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
3041 |         // strides over the reduce axis correctly for non-trailing reductions.
3042 |         let lastReduceDim = reduceDimSorted.last ?? 0
3043 |         let innerSize = lastReduceDim + 1 < inputShape.count
     |             `- warning: initialization of immutable value 'innerSize' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
3044 |             ? inputShape.suffix(from: lastReduceDim + 1).reduce(1, *)
3045 |             : 1
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/CodeGenerator.swift:3435:13: warning: initialization of immutable value 'batchSize' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
3433 |
3434 |         let totalOutputElements = outputShape.reduce(1, *)
3435 |         let batchSize = totalOutputElements / (fftType == .rfft ? (N / 2 + 1) : N)
     |             `- warning: initialization of immutable value 'batchSize' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
3436 |         let isInverse = (fftType == .ifft || fftType == .irfft)
3437 |         let sign = isInverse ? "1.0" : "-1.0"
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/CodeGenerator.swift:4329:13: warning: initialization of immutable value 'sm' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
4327 |     private func generateMatMul2dNAXSource() -> (String, String, TuningConfig?) {
4328 |         let c = CodeGenerator.naxGemmConfig()
4329 |         let sm = c.bm / c.wm
     |             `- warning: initialization of immutable value 'sm' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
4330 |         let sn = c.bn / c.wn
4331 |         let nsg = c.wm * c.wn
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/CodeGenerator.swift:4330:13: warning: initialization of immutable value 'sn' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
4328 |         let c = CodeGenerator.naxGemmConfig()
4329 |         let sm = c.bm / c.wm
4330 |         let sn = c.bn / c.wn
     |             `- warning: initialization of immutable value 'sn' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
4331 |         let nsg = c.wm * c.wn
4332 |         // MLX uses swizzle_log=2 for 's'/Pro devices: reshapes the launch grid
[425/454] Compiling MetalHLOCore MetalIR.swift
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/CodeGenerator.swift:505:13: warning: initialization of immutable value 'totalElements' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
 503 |     ) -> (String, String, TuningConfig?) {
 504 |         let outputShape = outputShapes.first ?? []
 505 |         let totalElements = outputShape.reduce(1, *)
     |             `- warning: initialization of immutable value 'totalElements' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
 506 |         let entryPoint = "kernel_\(opKind.rawValue)"
 507 |         let metalType = metalTypeName(for: elementType)
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/CodeGenerator.swift:1438:13: warning: initialization of immutable value 'indexGridSize' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
1436 |             if i != dimNumbers.indexVectorDim { indexGridShape.append(s) }
1437 |         }
1438 |         let indexGridSize = max(indexGridShape.reduce(1, *), 1)
     |             `- warning: initialization of immutable value 'indexGridSize' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
1439 |
1440 |         // Non-collapsed, non-batched operand dims → these are offset dims in order
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/CodeGenerator.swift:1453:13: warning: initialization of immutable value 'offsetTotalSize' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
1451 |             offsetSizes.append(sliceSizes[d])
1452 |         }
1453 |         let offsetTotalSize = max(offsetSizes.reduce(1, *), 1)
     |             `- warning: initialization of immutable value 'offsetTotalSize' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
1454 |
1455 |         // Number of index components per grid point
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/CodeGenerator.swift:1456:13: warning: initialization of immutable value 'numIndexComponents' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
1454 |
1455 |         // Number of index components per grid point
1456 |         let numIndexComponents = dimNumbers.startIndexMap.count
     |             `- warning: initialization of immutable value 'numIndexComponents' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
1457 |
1458 |         // Indices stride for index_vector_dim
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/CodeGenerator.swift:1590:13: warning: initialization of immutable value 'sliceSizes' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
1588 |         let batchSize = operandShape[batchDim]
1589 |         let startIndexMap = dimNumbers.startIndexMap
1590 |         let sliceSizes = dimNumbers.sliceSizes
     |             `- warning: initialization of immutable value 'sliceSizes' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
1591 |         let numStartIndices = startIndexMap.count
1592 |
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/CodeGenerator.swift:2145:13: warning: initialization of immutable value 'updateElements' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
2143 |         let rank = operandShape.count
2144 |         let totalElements = operandShape.reduce(1, *)
2145 |         let updateElements = updateShape.reduce(1, *)
     |             `- warning: initialization of immutable value 'updateElements' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
2146 |
2147 |         // Calculate strides
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/CodeGenerator.swift:2772:13: warning: initialization of immutable value 'totalInputElements' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
2770 |     ) -> (String, String, TuningConfig?) {
2771 |         // Compute reduction parameters
2772 |         let totalInputElements = inputShape.reduce(1, *)
     |             `- warning: initialization of immutable value 'totalInputElements' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
2773 |         let reduceDimSorted = reduceDims.sorted()
2774 |
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/CodeGenerator.swift:2786:13: warning: initialization of immutable value 'outputCount' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
2784 |             if !reduceDimSorted.contains(i) { outputShape.append(s) }
2785 |         }
2786 |         let outputCount = max(outputShape.reduce(1, *), 1)
     |             `- warning: initialization of immutable value 'outputCount' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
2787 |
2788 |         // innerSize = product of dims after last reduce dim
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/CodeGenerator.swift:2790:13: warning: initialization of immutable value 'innerSize' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
2788 |         // innerSize = product of dims after last reduce dim
2789 |         let lastReduceDim = reduceDimSorted.last ?? 0
2790 |         let innerSize = lastReduceDim + 1 < inputShape.count
     |             `- warning: initialization of immutable value 'innerSize' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
2791 |             ? inputShape.suffix(from: lastReduceDim + 1).reduce(1, *)
2792 |             : 1
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/CodeGenerator.swift:3038:13: warning: initialization of immutable value 'outputCount' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
3036 |             outputShape.append(s)
3037 |         }
3038 |         let outputCount = max(outputShape.reduce(1, *), 1)
     |             `- warning: initialization of immutable value 'outputCount' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
3039 |
3040 |         // innerSize = product of dims after the last reduced dim, so the scan
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/CodeGenerator.swift:3043:13: warning: initialization of immutable value 'innerSize' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
3041 |         // strides over the reduce axis correctly for non-trailing reductions.
3042 |         let lastReduceDim = reduceDimSorted.last ?? 0
3043 |         let innerSize = lastReduceDim + 1 < inputShape.count
     |             `- warning: initialization of immutable value 'innerSize' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
3044 |             ? inputShape.suffix(from: lastReduceDim + 1).reduce(1, *)
3045 |             : 1
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/CodeGenerator.swift:3435:13: warning: initialization of immutable value 'batchSize' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
3433 |
3434 |         let totalOutputElements = outputShape.reduce(1, *)
3435 |         let batchSize = totalOutputElements / (fftType == .rfft ? (N / 2 + 1) : N)
     |             `- warning: initialization of immutable value 'batchSize' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
3436 |         let isInverse = (fftType == .ifft || fftType == .irfft)
3437 |         let sign = isInverse ? "1.0" : "-1.0"
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/CodeGenerator.swift:4329:13: warning: initialization of immutable value 'sm' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
4327 |     private func generateMatMul2dNAXSource() -> (String, String, TuningConfig?) {
4328 |         let c = CodeGenerator.naxGemmConfig()
4329 |         let sm = c.bm / c.wm
     |             `- warning: initialization of immutable value 'sm' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
4330 |         let sn = c.bn / c.wn
4331 |         let nsg = c.wm * c.wn
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/CodeGenerator.swift:4330:13: warning: initialization of immutable value 'sn' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
4328 |         let c = CodeGenerator.naxGemmConfig()
4329 |         let sm = c.bm / c.wm
4330 |         let sn = c.bn / c.wn
     |             `- warning: initialization of immutable value 'sn' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
4331 |         let nsg = c.wm * c.wn
4332 |         // MLX uses swizzle_log=2 for 's'/Pro devices: reshapes the launch grid
[426/454] Compiling MetalHLOCore PatternCodegen.swift
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/CodeGenerator.swift:505:13: warning: initialization of immutable value 'totalElements' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
 503 |     ) -> (String, String, TuningConfig?) {
 504 |         let outputShape = outputShapes.first ?? []
 505 |         let totalElements = outputShape.reduce(1, *)
     |             `- warning: initialization of immutable value 'totalElements' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
 506 |         let entryPoint = "kernel_\(opKind.rawValue)"
 507 |         let metalType = metalTypeName(for: elementType)
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/CodeGenerator.swift:1438:13: warning: initialization of immutable value 'indexGridSize' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
1436 |             if i != dimNumbers.indexVectorDim { indexGridShape.append(s) }
1437 |         }
1438 |         let indexGridSize = max(indexGridShape.reduce(1, *), 1)
     |             `- warning: initialization of immutable value 'indexGridSize' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
1439 |
1440 |         // Non-collapsed, non-batched operand dims → these are offset dims in order
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/CodeGenerator.swift:1453:13: warning: initialization of immutable value 'offsetTotalSize' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
1451 |             offsetSizes.append(sliceSizes[d])
1452 |         }
1453 |         let offsetTotalSize = max(offsetSizes.reduce(1, *), 1)
     |             `- warning: initialization of immutable value 'offsetTotalSize' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
1454 |
1455 |         // Number of index components per grid point
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/CodeGenerator.swift:1456:13: warning: initialization of immutable value 'numIndexComponents' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
1454 |
1455 |         // Number of index components per grid point
1456 |         let numIndexComponents = dimNumbers.startIndexMap.count
     |             `- warning: initialization of immutable value 'numIndexComponents' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
1457 |
1458 |         // Indices stride for index_vector_dim
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/CodeGenerator.swift:1590:13: warning: initialization of immutable value 'sliceSizes' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
1588 |         let batchSize = operandShape[batchDim]
1589 |         let startIndexMap = dimNumbers.startIndexMap
1590 |         let sliceSizes = dimNumbers.sliceSizes
     |             `- warning: initialization of immutable value 'sliceSizes' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
1591 |         let numStartIndices = startIndexMap.count
1592 |
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/CodeGenerator.swift:2145:13: warning: initialization of immutable value 'updateElements' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
2143 |         let rank = operandShape.count
2144 |         let totalElements = operandShape.reduce(1, *)
2145 |         let updateElements = updateShape.reduce(1, *)
     |             `- warning: initialization of immutable value 'updateElements' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
2146 |
2147 |         // Calculate strides
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/CodeGenerator.swift:2772:13: warning: initialization of immutable value 'totalInputElements' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
2770 |     ) -> (String, String, TuningConfig?) {
2771 |         // Compute reduction parameters
2772 |         let totalInputElements = inputShape.reduce(1, *)
     |             `- warning: initialization of immutable value 'totalInputElements' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
2773 |         let reduceDimSorted = reduceDims.sorted()
2774 |
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/CodeGenerator.swift:2786:13: warning: initialization of immutable value 'outputCount' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
2784 |             if !reduceDimSorted.contains(i) { outputShape.append(s) }
2785 |         }
2786 |         let outputCount = max(outputShape.reduce(1, *), 1)
     |             `- warning: initialization of immutable value 'outputCount' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
2787 |
2788 |         // innerSize = product of dims after last reduce dim
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/CodeGenerator.swift:2790:13: warning: initialization of immutable value 'innerSize' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
2788 |         // innerSize = product of dims after last reduce dim
2789 |         let lastReduceDim = reduceDimSorted.last ?? 0
2790 |         let innerSize = lastReduceDim + 1 < inputShape.count
     |             `- warning: initialization of immutable value 'innerSize' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
2791 |             ? inputShape.suffix(from: lastReduceDim + 1).reduce(1, *)
2792 |             : 1
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/CodeGenerator.swift:3038:13: warning: initialization of immutable value 'outputCount' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
3036 |             outputShape.append(s)
3037 |         }
3038 |         let outputCount = max(outputShape.reduce(1, *), 1)
     |             `- warning: initialization of immutable value 'outputCount' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
3039 |
3040 |         // innerSize = product of dims after the last reduced dim, so the scan
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/CodeGenerator.swift:3043:13: warning: initialization of immutable value 'innerSize' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
3041 |         // strides over the reduce axis correctly for non-trailing reductions.
3042 |         let lastReduceDim = reduceDimSorted.last ?? 0
3043 |         let innerSize = lastReduceDim + 1 < inputShape.count
     |             `- warning: initialization of immutable value 'innerSize' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
3044 |             ? inputShape.suffix(from: lastReduceDim + 1).reduce(1, *)
3045 |             : 1
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/CodeGenerator.swift:3435:13: warning: initialization of immutable value 'batchSize' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
3433 |
3434 |         let totalOutputElements = outputShape.reduce(1, *)
3435 |         let batchSize = totalOutputElements / (fftType == .rfft ? (N / 2 + 1) : N)
     |             `- warning: initialization of immutable value 'batchSize' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
3436 |         let isInverse = (fftType == .ifft || fftType == .irfft)
3437 |         let sign = isInverse ? "1.0" : "-1.0"
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/CodeGenerator.swift:4329:13: warning: initialization of immutable value 'sm' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
4327 |     private func generateMatMul2dNAXSource() -> (String, String, TuningConfig?) {
4328 |         let c = CodeGenerator.naxGemmConfig()
4329 |         let sm = c.bm / c.wm
     |             `- warning: initialization of immutable value 'sm' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
4330 |         let sn = c.bn / c.wn
4331 |         let nsg = c.wm * c.wn
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/CodeGenerator.swift:4330:13: warning: initialization of immutable value 'sn' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
4328 |         let c = CodeGenerator.naxGemmConfig()
4329 |         let sm = c.bm / c.wm
4330 |         let sn = c.bn / c.wn
     |             `- warning: initialization of immutable value 'sn' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
4331 |         let nsg = c.wm * c.wn
4332 |         // MLX uses swizzle_log=2 for 's'/Pro devices: reshapes the launch grid
[427/454] Compiling MetalHLOCore ReductionKernelGenerator.swift
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/CodeGenerator.swift:505:13: warning: initialization of immutable value 'totalElements' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
 503 |     ) -> (String, String, TuningConfig?) {
 504 |         let outputShape = outputShapes.first ?? []
 505 |         let totalElements = outputShape.reduce(1, *)
     |             `- warning: initialization of immutable value 'totalElements' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
 506 |         let entryPoint = "kernel_\(opKind.rawValue)"
 507 |         let metalType = metalTypeName(for: elementType)
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/CodeGenerator.swift:1438:13: warning: initialization of immutable value 'indexGridSize' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
1436 |             if i != dimNumbers.indexVectorDim { indexGridShape.append(s) }
1437 |         }
1438 |         let indexGridSize = max(indexGridShape.reduce(1, *), 1)
     |             `- warning: initialization of immutable value 'indexGridSize' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
1439 |
1440 |         // Non-collapsed, non-batched operand dims → these are offset dims in order
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/CodeGenerator.swift:1453:13: warning: initialization of immutable value 'offsetTotalSize' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
1451 |             offsetSizes.append(sliceSizes[d])
1452 |         }
1453 |         let offsetTotalSize = max(offsetSizes.reduce(1, *), 1)
     |             `- warning: initialization of immutable value 'offsetTotalSize' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
1454 |
1455 |         // Number of index components per grid point
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/CodeGenerator.swift:1456:13: warning: initialization of immutable value 'numIndexComponents' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
1454 |
1455 |         // Number of index components per grid point
1456 |         let numIndexComponents = dimNumbers.startIndexMap.count
     |             `- warning: initialization of immutable value 'numIndexComponents' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
1457 |
1458 |         // Indices stride for index_vector_dim
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/CodeGenerator.swift:1590:13: warning: initialization of immutable value 'sliceSizes' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
1588 |         let batchSize = operandShape[batchDim]
1589 |         let startIndexMap = dimNumbers.startIndexMap
1590 |         let sliceSizes = dimNumbers.sliceSizes
     |             `- warning: initialization of immutable value 'sliceSizes' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
1591 |         let numStartIndices = startIndexMap.count
1592 |
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/CodeGenerator.swift:2145:13: warning: initialization of immutable value 'updateElements' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
2143 |         let rank = operandShape.count
2144 |         let totalElements = operandShape.reduce(1, *)
2145 |         let updateElements = updateShape.reduce(1, *)
     |             `- warning: initialization of immutable value 'updateElements' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
2146 |
2147 |         // Calculate strides
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/CodeGenerator.swift:2772:13: warning: initialization of immutable value 'totalInputElements' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
2770 |     ) -> (String, String, TuningConfig?) {
2771 |         // Compute reduction parameters
2772 |         let totalInputElements = inputShape.reduce(1, *)
     |             `- warning: initialization of immutable value 'totalInputElements' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
2773 |         let reduceDimSorted = reduceDims.sorted()
2774 |
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/CodeGenerator.swift:2786:13: warning: initialization of immutable value 'outputCount' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
2784 |             if !reduceDimSorted.contains(i) { outputShape.append(s) }
2785 |         }
2786 |         let outputCount = max(outputShape.reduce(1, *), 1)
     |             `- warning: initialization of immutable value 'outputCount' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
2787 |
2788 |         // innerSize = product of dims after last reduce dim
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/CodeGenerator.swift:2790:13: warning: initialization of immutable value 'innerSize' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
2788 |         // innerSize = product of dims after last reduce dim
2789 |         let lastReduceDim = reduceDimSorted.last ?? 0
2790 |         let innerSize = lastReduceDim + 1 < inputShape.count
     |             `- warning: initialization of immutable value 'innerSize' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
2791 |             ? inputShape.suffix(from: lastReduceDim + 1).reduce(1, *)
2792 |             : 1
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/CodeGenerator.swift:3038:13: warning: initialization of immutable value 'outputCount' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
3036 |             outputShape.append(s)
3037 |         }
3038 |         let outputCount = max(outputShape.reduce(1, *), 1)
     |             `- warning: initialization of immutable value 'outputCount' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
3039 |
3040 |         // innerSize = product of dims after the last reduced dim, so the scan
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/CodeGenerator.swift:3043:13: warning: initialization of immutable value 'innerSize' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
3041 |         // strides over the reduce axis correctly for non-trailing reductions.
3042 |         let lastReduceDim = reduceDimSorted.last ?? 0
3043 |         let innerSize = lastReduceDim + 1 < inputShape.count
     |             `- warning: initialization of immutable value 'innerSize' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
3044 |             ? inputShape.suffix(from: lastReduceDim + 1).reduce(1, *)
3045 |             : 1
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/CodeGenerator.swift:3435:13: warning: initialization of immutable value 'batchSize' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
3433 |
3434 |         let totalOutputElements = outputShape.reduce(1, *)
3435 |         let batchSize = totalOutputElements / (fftType == .rfft ? (N / 2 + 1) : N)
     |             `- warning: initialization of immutable value 'batchSize' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
3436 |         let isInverse = (fftType == .ifft || fftType == .irfft)
3437 |         let sign = isInverse ? "1.0" : "-1.0"
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/CodeGenerator.swift:4329:13: warning: initialization of immutable value 'sm' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
4327 |     private func generateMatMul2dNAXSource() -> (String, String, TuningConfig?) {
4328 |         let c = CodeGenerator.naxGemmConfig()
4329 |         let sm = c.bm / c.wm
     |             `- warning: initialization of immutable value 'sm' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
4330 |         let sn = c.bn / c.wn
4331 |         let nsg = c.wm * c.wn
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/CodeGenerator.swift:4330:13: warning: initialization of immutable value 'sn' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
4328 |         let c = CodeGenerator.naxGemmConfig()
4329 |         let sm = c.bm / c.wm
4330 |         let sn = c.bn / c.wn
     |             `- warning: initialization of immutable value 'sn' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
4331 |         let nsg = c.wm * c.wn
4332 |         // MLX uses swizzle_log=2 for 's'/Pro devices: reshapes the launch grid
[428/454] Compiling MetalHLOCore SpecializedAttention.swift
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/CodeGenerator.swift:505:13: warning: initialization of immutable value 'totalElements' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
 503 |     ) -> (String, String, TuningConfig?) {
 504 |         let outputShape = outputShapes.first ?? []
 505 |         let totalElements = outputShape.reduce(1, *)
     |             `- warning: initialization of immutable value 'totalElements' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
 506 |         let entryPoint = "kernel_\(opKind.rawValue)"
 507 |         let metalType = metalTypeName(for: elementType)
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/CodeGenerator.swift:1438:13: warning: initialization of immutable value 'indexGridSize' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
1436 |             if i != dimNumbers.indexVectorDim { indexGridShape.append(s) }
1437 |         }
1438 |         let indexGridSize = max(indexGridShape.reduce(1, *), 1)
     |             `- warning: initialization of immutable value 'indexGridSize' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
1439 |
1440 |         // Non-collapsed, non-batched operand dims → these are offset dims in order
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/CodeGenerator.swift:1453:13: warning: initialization of immutable value 'offsetTotalSize' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
1451 |             offsetSizes.append(sliceSizes[d])
1452 |         }
1453 |         let offsetTotalSize = max(offsetSizes.reduce(1, *), 1)
     |             `- warning: initialization of immutable value 'offsetTotalSize' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
1454 |
1455 |         // Number of index components per grid point
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/CodeGenerator.swift:1456:13: warning: initialization of immutable value 'numIndexComponents' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
1454 |
1455 |         // Number of index components per grid point
1456 |         let numIndexComponents = dimNumbers.startIndexMap.count
     |             `- warning: initialization of immutable value 'numIndexComponents' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
1457 |
1458 |         // Indices stride for index_vector_dim
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/CodeGenerator.swift:1590:13: warning: initialization of immutable value 'sliceSizes' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
1588 |         let batchSize = operandShape[batchDim]
1589 |         let startIndexMap = dimNumbers.startIndexMap
1590 |         let sliceSizes = dimNumbers.sliceSizes
     |             `- warning: initialization of immutable value 'sliceSizes' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
1591 |         let numStartIndices = startIndexMap.count
1592 |
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/CodeGenerator.swift:2145:13: warning: initialization of immutable value 'updateElements' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
2143 |         let rank = operandShape.count
2144 |         let totalElements = operandShape.reduce(1, *)
2145 |         let updateElements = updateShape.reduce(1, *)
     |             `- warning: initialization of immutable value 'updateElements' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
2146 |
2147 |         // Calculate strides
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/CodeGenerator.swift:2772:13: warning: initialization of immutable value 'totalInputElements' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
2770 |     ) -> (String, String, TuningConfig?) {
2771 |         // Compute reduction parameters
2772 |         let totalInputElements = inputShape.reduce(1, *)
     |             `- warning: initialization of immutable value 'totalInputElements' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
2773 |         let reduceDimSorted = reduceDims.sorted()
2774 |
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/CodeGenerator.swift:2786:13: warning: initialization of immutable value 'outputCount' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
2784 |             if !reduceDimSorted.contains(i) { outputShape.append(s) }
2785 |         }
2786 |         let outputCount = max(outputShape.reduce(1, *), 1)
     |             `- warning: initialization of immutable value 'outputCount' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
2787 |
2788 |         // innerSize = product of dims after last reduce dim
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/CodeGenerator.swift:2790:13: warning: initialization of immutable value 'innerSize' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
2788 |         // innerSize = product of dims after last reduce dim
2789 |         let lastReduceDim = reduceDimSorted.last ?? 0
2790 |         let innerSize = lastReduceDim + 1 < inputShape.count
     |             `- warning: initialization of immutable value 'innerSize' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
2791 |             ? inputShape.suffix(from: lastReduceDim + 1).reduce(1, *)
2792 |             : 1
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/CodeGenerator.swift:3038:13: warning: initialization of immutable value 'outputCount' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
3036 |             outputShape.append(s)
3037 |         }
3038 |         let outputCount = max(outputShape.reduce(1, *), 1)
     |             `- warning: initialization of immutable value 'outputCount' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
3039 |
3040 |         // innerSize = product of dims after the last reduced dim, so the scan
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/CodeGenerator.swift:3043:13: warning: initialization of immutable value 'innerSize' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
3041 |         // strides over the reduce axis correctly for non-trailing reductions.
3042 |         let lastReduceDim = reduceDimSorted.last ?? 0
3043 |         let innerSize = lastReduceDim + 1 < inputShape.count
     |             `- warning: initialization of immutable value 'innerSize' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
3044 |             ? inputShape.suffix(from: lastReduceDim + 1).reduce(1, *)
3045 |             : 1
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/CodeGenerator.swift:3435:13: warning: initialization of immutable value 'batchSize' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
3433 |
3434 |         let totalOutputElements = outputShape.reduce(1, *)
3435 |         let batchSize = totalOutputElements / (fftType == .rfft ? (N / 2 + 1) : N)
     |             `- warning: initialization of immutable value 'batchSize' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
3436 |         let isInverse = (fftType == .ifft || fftType == .irfft)
3437 |         let sign = isInverse ? "1.0" : "-1.0"
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/CodeGenerator.swift:4329:13: warning: initialization of immutable value 'sm' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
4327 |     private func generateMatMul2dNAXSource() -> (String, String, TuningConfig?) {
4328 |         let c = CodeGenerator.naxGemmConfig()
4329 |         let sm = c.bm / c.wm
     |             `- warning: initialization of immutable value 'sm' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
4330 |         let sn = c.bn / c.wn
4331 |         let nsg = c.wm * c.wn
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/CodeGenerator.swift:4330:13: warning: initialization of immutable value 'sn' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
4328 |         let c = CodeGenerator.naxGemmConfig()
4329 |         let sm = c.bm / c.wm
4330 |         let sn = c.bn / c.wn
     |             `- warning: initialization of immutable value 'sn' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
4331 |         let nsg = c.wm * c.wn
4332 |         // MLX uses swizzle_log=2 for 's'/Pro devices: reshapes the launch grid
[429/454] Compiling MetalHLOCore SpecializedMatMul.swift
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/CodeGenerator.swift:505:13: warning: initialization of immutable value 'totalElements' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
 503 |     ) -> (String, String, TuningConfig?) {
 504 |         let outputShape = outputShapes.first ?? []
 505 |         let totalElements = outputShape.reduce(1, *)
     |             `- warning: initialization of immutable value 'totalElements' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
 506 |         let entryPoint = "kernel_\(opKind.rawValue)"
 507 |         let metalType = metalTypeName(for: elementType)
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/CodeGenerator.swift:1438:13: warning: initialization of immutable value 'indexGridSize' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
1436 |             if i != dimNumbers.indexVectorDim { indexGridShape.append(s) }
1437 |         }
1438 |         let indexGridSize = max(indexGridShape.reduce(1, *), 1)
     |             `- warning: initialization of immutable value 'indexGridSize' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
1439 |
1440 |         // Non-collapsed, non-batched operand dims → these are offset dims in order
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/CodeGenerator.swift:1453:13: warning: initialization of immutable value 'offsetTotalSize' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
1451 |             offsetSizes.append(sliceSizes[d])
1452 |         }
1453 |         let offsetTotalSize = max(offsetSizes.reduce(1, *), 1)
     |             `- warning: initialization of immutable value 'offsetTotalSize' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
1454 |
1455 |         // Number of index components per grid point
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/CodeGenerator.swift:1456:13: warning: initialization of immutable value 'numIndexComponents' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
1454 |
1455 |         // Number of index components per grid point
1456 |         let numIndexComponents = dimNumbers.startIndexMap.count
     |             `- warning: initialization of immutable value 'numIndexComponents' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
1457 |
1458 |         // Indices stride for index_vector_dim
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/CodeGenerator.swift:1590:13: warning: initialization of immutable value 'sliceSizes' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
1588 |         let batchSize = operandShape[batchDim]
1589 |         let startIndexMap = dimNumbers.startIndexMap
1590 |         let sliceSizes = dimNumbers.sliceSizes
     |             `- warning: initialization of immutable value 'sliceSizes' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
1591 |         let numStartIndices = startIndexMap.count
1592 |
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/CodeGenerator.swift:2145:13: warning: initialization of immutable value 'updateElements' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
2143 |         let rank = operandShape.count
2144 |         let totalElements = operandShape.reduce(1, *)
2145 |         let updateElements = updateShape.reduce(1, *)
     |             `- warning: initialization of immutable value 'updateElements' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
2146 |
2147 |         // Calculate strides
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/CodeGenerator.swift:2772:13: warning: initialization of immutable value 'totalInputElements' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
2770 |     ) -> (String, String, TuningConfig?) {
2771 |         // Compute reduction parameters
2772 |         let totalInputElements = inputShape.reduce(1, *)
     |             `- warning: initialization of immutable value 'totalInputElements' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
2773 |         let reduceDimSorted = reduceDims.sorted()
2774 |
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/CodeGenerator.swift:2786:13: warning: initialization of immutable value 'outputCount' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
2784 |             if !reduceDimSorted.contains(i) { outputShape.append(s) }
2785 |         }
2786 |         let outputCount = max(outputShape.reduce(1, *), 1)
     |             `- warning: initialization of immutable value 'outputCount' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
2787 |
2788 |         // innerSize = product of dims after last reduce dim
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/CodeGenerator.swift:2790:13: warning: initialization of immutable value 'innerSize' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
2788 |         // innerSize = product of dims after last reduce dim
2789 |         let lastReduceDim = reduceDimSorted.last ?? 0
2790 |         let innerSize = lastReduceDim + 1 < inputShape.count
     |             `- warning: initialization of immutable value 'innerSize' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
2791 |             ? inputShape.suffix(from: lastReduceDim + 1).reduce(1, *)
2792 |             : 1
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/CodeGenerator.swift:3038:13: warning: initialization of immutable value 'outputCount' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
3036 |             outputShape.append(s)
3037 |         }
3038 |         let outputCount = max(outputShape.reduce(1, *), 1)
     |             `- warning: initialization of immutable value 'outputCount' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
3039 |
3040 |         // innerSize = product of dims after the last reduced dim, so the scan
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/CodeGenerator.swift:3043:13: warning: initialization of immutable value 'innerSize' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
3041 |         // strides over the reduce axis correctly for non-trailing reductions.
3042 |         let lastReduceDim = reduceDimSorted.last ?? 0
3043 |         let innerSize = lastReduceDim + 1 < inputShape.count
     |             `- warning: initialization of immutable value 'innerSize' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
3044 |             ? inputShape.suffix(from: lastReduceDim + 1).reduce(1, *)
3045 |             : 1
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/CodeGenerator.swift:3435:13: warning: initialization of immutable value 'batchSize' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
3433 |
3434 |         let totalOutputElements = outputShape.reduce(1, *)
3435 |         let batchSize = totalOutputElements / (fftType == .rfft ? (N / 2 + 1) : N)
     |             `- warning: initialization of immutable value 'batchSize' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
3436 |         let isInverse = (fftType == .ifft || fftType == .irfft)
3437 |         let sign = isInverse ? "1.0" : "-1.0"
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/CodeGenerator.swift:4329:13: warning: initialization of immutable value 'sm' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
4327 |     private func generateMatMul2dNAXSource() -> (String, String, TuningConfig?) {
4328 |         let c = CodeGenerator.naxGemmConfig()
4329 |         let sm = c.bm / c.wm
     |             `- warning: initialization of immutable value 'sm' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
4330 |         let sn = c.bn / c.wn
4331 |         let nsg = c.wm * c.wn
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/CodeGenerator.swift:4330:13: warning: initialization of immutable value 'sn' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
4328 |         let c = CodeGenerator.naxGemmConfig()
4329 |         let sm = c.bm / c.wm
4330 |         let sn = c.bn / c.wn
     |             `- warning: initialization of immutable value 'sn' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
4331 |         let nsg = c.wm * c.wn
4332 |         // MLX uses swizzle_log=2 for 's'/Pro devices: reshapes the launch grid
[430/454] Compiling MetalHLOCore TileCalculator.swift
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/CodeGenerator.swift:505:13: warning: initialization of immutable value 'totalElements' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
 503 |     ) -> (String, String, TuningConfig?) {
 504 |         let outputShape = outputShapes.first ?? []
 505 |         let totalElements = outputShape.reduce(1, *)
     |             `- warning: initialization of immutable value 'totalElements' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
 506 |         let entryPoint = "kernel_\(opKind.rawValue)"
 507 |         let metalType = metalTypeName(for: elementType)
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/CodeGenerator.swift:1438:13: warning: initialization of immutable value 'indexGridSize' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
1436 |             if i != dimNumbers.indexVectorDim { indexGridShape.append(s) }
1437 |         }
1438 |         let indexGridSize = max(indexGridShape.reduce(1, *), 1)
     |             `- warning: initialization of immutable value 'indexGridSize' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
1439 |
1440 |         // Non-collapsed, non-batched operand dims → these are offset dims in order
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/CodeGenerator.swift:1453:13: warning: initialization of immutable value 'offsetTotalSize' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
1451 |             offsetSizes.append(sliceSizes[d])
1452 |         }
1453 |         let offsetTotalSize = max(offsetSizes.reduce(1, *), 1)
     |             `- warning: initialization of immutable value 'offsetTotalSize' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
1454 |
1455 |         // Number of index components per grid point
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/CodeGenerator.swift:1456:13: warning: initialization of immutable value 'numIndexComponents' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
1454 |
1455 |         // Number of index components per grid point
1456 |         let numIndexComponents = dimNumbers.startIndexMap.count
     |             `- warning: initialization of immutable value 'numIndexComponents' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
1457 |
1458 |         // Indices stride for index_vector_dim
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/CodeGenerator.swift:1590:13: warning: initialization of immutable value 'sliceSizes' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
1588 |         let batchSize = operandShape[batchDim]
1589 |         let startIndexMap = dimNumbers.startIndexMap
1590 |         let sliceSizes = dimNumbers.sliceSizes
     |             `- warning: initialization of immutable value 'sliceSizes' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
1591 |         let numStartIndices = startIndexMap.count
1592 |
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/CodeGenerator.swift:2145:13: warning: initialization of immutable value 'updateElements' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
2143 |         let rank = operandShape.count
2144 |         let totalElements = operandShape.reduce(1, *)
2145 |         let updateElements = updateShape.reduce(1, *)
     |             `- warning: initialization of immutable value 'updateElements' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
2146 |
2147 |         // Calculate strides
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/CodeGenerator.swift:2772:13: warning: initialization of immutable value 'totalInputElements' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
2770 |     ) -> (String, String, TuningConfig?) {
2771 |         // Compute reduction parameters
2772 |         let totalInputElements = inputShape.reduce(1, *)
     |             `- warning: initialization of immutable value 'totalInputElements' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
2773 |         let reduceDimSorted = reduceDims.sorted()
2774 |
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/CodeGenerator.swift:2786:13: warning: initialization of immutable value 'outputCount' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
2784 |             if !reduceDimSorted.contains(i) { outputShape.append(s) }
2785 |         }
2786 |         let outputCount = max(outputShape.reduce(1, *), 1)
     |             `- warning: initialization of immutable value 'outputCount' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
2787 |
2788 |         // innerSize = product of dims after last reduce dim
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/CodeGenerator.swift:2790:13: warning: initialization of immutable value 'innerSize' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
2788 |         // innerSize = product of dims after last reduce dim
2789 |         let lastReduceDim = reduceDimSorted.last ?? 0
2790 |         let innerSize = lastReduceDim + 1 < inputShape.count
     |             `- warning: initialization of immutable value 'innerSize' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
2791 |             ? inputShape.suffix(from: lastReduceDim + 1).reduce(1, *)
2792 |             : 1
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/CodeGenerator.swift:3038:13: warning: initialization of immutable value 'outputCount' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
3036 |             outputShape.append(s)
3037 |         }
3038 |         let outputCount = max(outputShape.reduce(1, *), 1)
     |             `- warning: initialization of immutable value 'outputCount' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
3039 |
3040 |         // innerSize = product of dims after the last reduced dim, so the scan
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/CodeGenerator.swift:3043:13: warning: initialization of immutable value 'innerSize' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
3041 |         // strides over the reduce axis correctly for non-trailing reductions.
3042 |         let lastReduceDim = reduceDimSorted.last ?? 0
3043 |         let innerSize = lastReduceDim + 1 < inputShape.count
     |             `- warning: initialization of immutable value 'innerSize' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
3044 |             ? inputShape.suffix(from: lastReduceDim + 1).reduce(1, *)
3045 |             : 1
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/CodeGenerator.swift:3435:13: warning: initialization of immutable value 'batchSize' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
3433 |
3434 |         let totalOutputElements = outputShape.reduce(1, *)
3435 |         let batchSize = totalOutputElements / (fftType == .rfft ? (N / 2 + 1) : N)
     |             `- warning: initialization of immutable value 'batchSize' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
3436 |         let isInverse = (fftType == .ifft || fftType == .irfft)
3437 |         let sign = isInverse ? "1.0" : "-1.0"
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/CodeGenerator.swift:4329:13: warning: initialization of immutable value 'sm' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
4327 |     private func generateMatMul2dNAXSource() -> (String, String, TuningConfig?) {
4328 |         let c = CodeGenerator.naxGemmConfig()
4329 |         let sm = c.bm / c.wm
     |             `- warning: initialization of immutable value 'sm' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
4330 |         let sn = c.bn / c.wn
4331 |         let nsg = c.wm * c.wn
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/CodeGenerator.swift:4330:13: warning: initialization of immutable value 'sn' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
4328 |         let c = CodeGenerator.naxGemmConfig()
4329 |         let sm = c.bm / c.wm
4330 |         let sn = c.bn / c.wn
     |             `- warning: initialization of immutable value 'sn' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
4331 |         let nsg = c.wm * c.wn
4332 |         // MLX uses swizzle_log=2 for 's'/Pro devices: reshapes the launch grid
[431/454] Compiling MetalHLOCore Analyzer.swift
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/CodeGenerator.swift:505:13: warning: initialization of immutable value 'totalElements' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
 503 |     ) -> (String, String, TuningConfig?) {
 504 |         let outputShape = outputShapes.first ?? []
 505 |         let totalElements = outputShape.reduce(1, *)
     |             `- warning: initialization of immutable value 'totalElements' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
 506 |         let entryPoint = "kernel_\(opKind.rawValue)"
 507 |         let metalType = metalTypeName(for: elementType)
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/CodeGenerator.swift:1438:13: warning: initialization of immutable value 'indexGridSize' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
1436 |             if i != dimNumbers.indexVectorDim { indexGridShape.append(s) }
1437 |         }
1438 |         let indexGridSize = max(indexGridShape.reduce(1, *), 1)
     |             `- warning: initialization of immutable value 'indexGridSize' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
1439 |
1440 |         // Non-collapsed, non-batched operand dims → these are offset dims in order
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/CodeGenerator.swift:1453:13: warning: initialization of immutable value 'offsetTotalSize' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
1451 |             offsetSizes.append(sliceSizes[d])
1452 |         }
1453 |         let offsetTotalSize = max(offsetSizes.reduce(1, *), 1)
     |             `- warning: initialization of immutable value 'offsetTotalSize' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
1454 |
1455 |         // Number of index components per grid point
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/CodeGenerator.swift:1456:13: warning: initialization of immutable value 'numIndexComponents' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
1454 |
1455 |         // Number of index components per grid point
1456 |         let numIndexComponents = dimNumbers.startIndexMap.count
     |             `- warning: initialization of immutable value 'numIndexComponents' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
1457 |
1458 |         // Indices stride for index_vector_dim
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/CodeGenerator.swift:1590:13: warning: initialization of immutable value 'sliceSizes' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
1588 |         let batchSize = operandShape[batchDim]
1589 |         let startIndexMap = dimNumbers.startIndexMap
1590 |         let sliceSizes = dimNumbers.sliceSizes
     |             `- warning: initialization of immutable value 'sliceSizes' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
1591 |         let numStartIndices = startIndexMap.count
1592 |
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/CodeGenerator.swift:2145:13: warning: initialization of immutable value 'updateElements' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
2143 |         let rank = operandShape.count
2144 |         let totalElements = operandShape.reduce(1, *)
2145 |         let updateElements = updateShape.reduce(1, *)
     |             `- warning: initialization of immutable value 'updateElements' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
2146 |
2147 |         // Calculate strides
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/CodeGenerator.swift:2772:13: warning: initialization of immutable value 'totalInputElements' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
2770 |     ) -> (String, String, TuningConfig?) {
2771 |         // Compute reduction parameters
2772 |         let totalInputElements = inputShape.reduce(1, *)
     |             `- warning: initialization of immutable value 'totalInputElements' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
2773 |         let reduceDimSorted = reduceDims.sorted()
2774 |
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/CodeGenerator.swift:2786:13: warning: initialization of immutable value 'outputCount' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
2784 |             if !reduceDimSorted.contains(i) { outputShape.append(s) }
2785 |         }
2786 |         let outputCount = max(outputShape.reduce(1, *), 1)
     |             `- warning: initialization of immutable value 'outputCount' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
2787 |
2788 |         // innerSize = product of dims after last reduce dim
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/CodeGenerator.swift:2790:13: warning: initialization of immutable value 'innerSize' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
2788 |         // innerSize = product of dims after last reduce dim
2789 |         let lastReduceDim = reduceDimSorted.last ?? 0
2790 |         let innerSize = lastReduceDim + 1 < inputShape.count
     |             `- warning: initialization of immutable value 'innerSize' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
2791 |             ? inputShape.suffix(from: lastReduceDim + 1).reduce(1, *)
2792 |             : 1
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/CodeGenerator.swift:3038:13: warning: initialization of immutable value 'outputCount' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
3036 |             outputShape.append(s)
3037 |         }
3038 |         let outputCount = max(outputShape.reduce(1, *), 1)
     |             `- warning: initialization of immutable value 'outputCount' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
3039 |
3040 |         // innerSize = product of dims after the last reduced dim, so the scan
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/CodeGenerator.swift:3043:13: warning: initialization of immutable value 'innerSize' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
3041 |         // strides over the reduce axis correctly for non-trailing reductions.
3042 |         let lastReduceDim = reduceDimSorted.last ?? 0
3043 |         let innerSize = lastReduceDim + 1 < inputShape.count
     |             `- warning: initialization of immutable value 'innerSize' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
3044 |             ? inputShape.suffix(from: lastReduceDim + 1).reduce(1, *)
3045 |             : 1
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/CodeGenerator.swift:3435:13: warning: initialization of immutable value 'batchSize' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
3433 |
3434 |         let totalOutputElements = outputShape.reduce(1, *)
3435 |         let batchSize = totalOutputElements / (fftType == .rfft ? (N / 2 + 1) : N)
     |             `- warning: initialization of immutable value 'batchSize' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
3436 |         let isInverse = (fftType == .ifft || fftType == .irfft)
3437 |         let sign = isInverse ? "1.0" : "-1.0"
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/CodeGenerator.swift:4329:13: warning: initialization of immutable value 'sm' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
4327 |     private func generateMatMul2dNAXSource() -> (String, String, TuningConfig?) {
4328 |         let c = CodeGenerator.naxGemmConfig()
4329 |         let sm = c.bm / c.wm
     |             `- warning: initialization of immutable value 'sm' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
4330 |         let sn = c.bn / c.wn
4331 |         let nsg = c.wm * c.wn
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/CodeGenerator.swift:4330:13: warning: initialization of immutable value 'sn' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
4328 |         let c = CodeGenerator.naxGemmConfig()
4329 |         let sm = c.bm / c.wm
4330 |         let sn = c.bn / c.wn
     |             `- warning: initialization of immutable value 'sn' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
4331 |         let nsg = c.wm * c.wn
4332 |         // MLX uses swizzle_log=2 for 's'/Pro devices: reshapes the launch grid
[432/454] Compiling MetalHLOCore CodeGenerator.swift
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/CodeGenerator.swift:505:13: warning: initialization of immutable value 'totalElements' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
 503 |     ) -> (String, String, TuningConfig?) {
 504 |         let outputShape = outputShapes.first ?? []
 505 |         let totalElements = outputShape.reduce(1, *)
     |             `- warning: initialization of immutable value 'totalElements' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
 506 |         let entryPoint = "kernel_\(opKind.rawValue)"
 507 |         let metalType = metalTypeName(for: elementType)
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/CodeGenerator.swift:1438:13: warning: initialization of immutable value 'indexGridSize' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
1436 |             if i != dimNumbers.indexVectorDim { indexGridShape.append(s) }
1437 |         }
1438 |         let indexGridSize = max(indexGridShape.reduce(1, *), 1)
     |             `- warning: initialization of immutable value 'indexGridSize' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
1439 |
1440 |         // Non-collapsed, non-batched operand dims → these are offset dims in order
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/CodeGenerator.swift:1453:13: warning: initialization of immutable value 'offsetTotalSize' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
1451 |             offsetSizes.append(sliceSizes[d])
1452 |         }
1453 |         let offsetTotalSize = max(offsetSizes.reduce(1, *), 1)
     |             `- warning: initialization of immutable value 'offsetTotalSize' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
1454 |
1455 |         // Number of index components per grid point
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/CodeGenerator.swift:1456:13: warning: initialization of immutable value 'numIndexComponents' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
1454 |
1455 |         // Number of index components per grid point
1456 |         let numIndexComponents = dimNumbers.startIndexMap.count
     |             `- warning: initialization of immutable value 'numIndexComponents' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
1457 |
1458 |         // Indices stride for index_vector_dim
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/CodeGenerator.swift:1590:13: warning: initialization of immutable value 'sliceSizes' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
1588 |         let batchSize = operandShape[batchDim]
1589 |         let startIndexMap = dimNumbers.startIndexMap
1590 |         let sliceSizes = dimNumbers.sliceSizes
     |             `- warning: initialization of immutable value 'sliceSizes' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
1591 |         let numStartIndices = startIndexMap.count
1592 |
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/CodeGenerator.swift:2145:13: warning: initialization of immutable value 'updateElements' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
2143 |         let rank = operandShape.count
2144 |         let totalElements = operandShape.reduce(1, *)
2145 |         let updateElements = updateShape.reduce(1, *)
     |             `- warning: initialization of immutable value 'updateElements' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
2146 |
2147 |         // Calculate strides
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/CodeGenerator.swift:2772:13: warning: initialization of immutable value 'totalInputElements' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
2770 |     ) -> (String, String, TuningConfig?) {
2771 |         // Compute reduction parameters
2772 |         let totalInputElements = inputShape.reduce(1, *)
     |             `- warning: initialization of immutable value 'totalInputElements' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
2773 |         let reduceDimSorted = reduceDims.sorted()
2774 |
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/CodeGenerator.swift:2786:13: warning: initialization of immutable value 'outputCount' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
2784 |             if !reduceDimSorted.contains(i) { outputShape.append(s) }
2785 |         }
2786 |         let outputCount = max(outputShape.reduce(1, *), 1)
     |             `- warning: initialization of immutable value 'outputCount' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
2787 |
2788 |         // innerSize = product of dims after last reduce dim
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/CodeGenerator.swift:2790:13: warning: initialization of immutable value 'innerSize' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
2788 |         // innerSize = product of dims after last reduce dim
2789 |         let lastReduceDim = reduceDimSorted.last ?? 0
2790 |         let innerSize = lastReduceDim + 1 < inputShape.count
     |             `- warning: initialization of immutable value 'innerSize' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
2791 |             ? inputShape.suffix(from: lastReduceDim + 1).reduce(1, *)
2792 |             : 1
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/CodeGenerator.swift:3038:13: warning: initialization of immutable value 'outputCount' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
3036 |             outputShape.append(s)
3037 |         }
3038 |         let outputCount = max(outputShape.reduce(1, *), 1)
     |             `- warning: initialization of immutable value 'outputCount' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
3039 |
3040 |         // innerSize = product of dims after the last reduced dim, so the scan
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/CodeGenerator.swift:3043:13: warning: initialization of immutable value 'innerSize' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
3041 |         // strides over the reduce axis correctly for non-trailing reductions.
3042 |         let lastReduceDim = reduceDimSorted.last ?? 0
3043 |         let innerSize = lastReduceDim + 1 < inputShape.count
     |             `- warning: initialization of immutable value 'innerSize' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
3044 |             ? inputShape.suffix(from: lastReduceDim + 1).reduce(1, *)
3045 |             : 1
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/CodeGenerator.swift:3435:13: warning: initialization of immutable value 'batchSize' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
3433 |
3434 |         let totalOutputElements = outputShape.reduce(1, *)
3435 |         let batchSize = totalOutputElements / (fftType == .rfft ? (N / 2 + 1) : N)
     |             `- warning: initialization of immutable value 'batchSize' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
3436 |         let isInverse = (fftType == .ifft || fftType == .irfft)
3437 |         let sign = isInverse ? "1.0" : "-1.0"
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/CodeGenerator.swift:4329:13: warning: initialization of immutable value 'sm' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
4327 |     private func generateMatMul2dNAXSource() -> (String, String, TuningConfig?) {
4328 |         let c = CodeGenerator.naxGemmConfig()
4329 |         let sm = c.bm / c.wm
     |             `- warning: initialization of immutable value 'sm' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
4330 |         let sn = c.bn / c.wn
4331 |         let nsg = c.wm * c.wn
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/CodeGenerator.swift:4330:13: warning: initialization of immutable value 'sn' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
4328 |         let c = CodeGenerator.naxGemmConfig()
4329 |         let sm = c.bm / c.wm
4330 |         let sn = c.bn / c.wn
     |             `- warning: initialization of immutable value 'sn' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
4331 |         let nsg = c.wm * c.wn
4332 |         // MLX uses swizzle_log=2 for 's'/Pro devices: reshapes the launch grid
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/CustomCallHandlers.swift:694:13: warning: initialization of immutable value 'approximate' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
 692 |
 693 |         let x = inputs[0]
 694 |         let approximate = BackendConfigParser.getBool(config, key: "approximate", default: false)
     |             `- warning: initialization of immutable value 'approximate' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
 695 |
 696 |         // GELU: 0.5 * x * (1 + tanh(sqrt(2/pi) * (x + 0.044715 * x^3)))
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/CustomCallHandlers.swift:749:13: warning: variable 'startIndices1' was never mutated; consider changing to 'let' constant
 747 |         // Split x into first half and second half along last dimension
 748 |         // x1 = x[..., :halfDim], x2 = x[..., halfDim:]
 749 |         var startIndices1 = [Int](repeating: 0, count: rank)
     |             `- warning: variable 'startIndices1' was never mutated; consider changing to 'let' constant
 750 |         var endIndices1 = xShape.map { $0.intValue }
 751 |         endIndices1[rank - 1] = halfDim
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/CustomCallHandlers.swift:789:17: warning: variable 'cosStart' was never mutated; consider changing to 'let' constant
 787 |             // freqs contains both cos and sin interleaved or concatenated
 788 |             // Assume first half is cos, second half is sin
 789 |             var cosStart = [Int](repeating: 0, count: freqsRank)
     |                 `- warning: variable 'cosStart' was never mutated; consider changing to 'let' constant
 790 |             var cosEnd = freqsShape.map { $0.intValue }
 791 |             cosEnd[freqsRank - 1] = halfDim
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/MPSGraphCompiler.swift:3602:13: warning: immutable value 'targetInputOrder' was never used; consider removing it [#no-usage]
3600 |
3601 |         // Transpose input to target layout
3602 |         let targetInputOrder: [Int]
     |             `- warning: immutable value 'targetInputOrder' was never used; consider removing it [#no-usage]
3603 |         switch targetDataLayout {
3604 |         case .NHWC:
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/MPSGraphCompiler.swift:3633:13: warning: immutable value 'targetKernelOrder' was never used; consider removing it [#no-usage]
3631 |
3632 |         // Transpose weights if needed
3633 |         let targetKernelOrder: [Int]
     |             `- warning: immutable value 'targetKernelOrder' was never used; consider removing it [#no-usage]
3634 |         switch targetWeightsLayout {
3635 |         case .HWIO:
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/MPSGraphCompiler.swift:3681:13: warning: immutable value 'mpsOutputOrder' was never used; consider removing it [#no-usage]
3679 |         ]
3680 |
3681 |         let mpsOutputOrder: [Int]
     |             `- warning: immutable value 'mpsOutputOrder' was never used; consider removing it [#no-usage]
3682 |         switch sourceDataLayout {
3683 |         case .NHWC:
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/MPSGraphCompiler.swift:4683:17: warning: initialization of immutable value 'mask' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
4681 |         if bitsToRound > 0 {
4682 |             // RNE: absBits = (absBits + ((1<<(bitsToRound-1)) - 1) + keptLSB) & ~mask
4683 |             let mask = u32((UInt32(1) << UInt32(bitsToRound)) - 1)
     |                 `- warning: initialization of immutable value 'mask' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
4684 |             let shifted = graph.bitwiseRightShift(absBits, u32(UInt32(bitsToRound)), name: nil)
4685 |             let keptLSB = graph.bitwiseAND(shifted, u32(1), name: nil)
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/PassManager.swift:894:13: warning: variable 'opsToRemove' was never mutated; consider changing to 'let' constant
 892 |
 893 |         var newOperations = function.operations
 894 |         var opsToRemove = Set<Int>()
     |             `- warning: variable 'opsToRemove' was never mutated; consider changing to 'let' constant
 895 |         var changed = false
 896 |
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/PassManager.swift:1030:13: warning: variable 'opsToRemove' was never mutated; consider changing to 'let' constant
1028 |
1029 |         var newOperations = function.operations
1030 |         var opsToRemove = Set<Int>()
     |             `- warning: variable 'opsToRemove' was never mutated; consider changing to 'let' constant
1031 |         var changed = false
1032 |
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/PassManager.swift:1468:17: warning: variable 'matmulIdx' was written to, but never read
1466 |             // Find the matmul operation (first in pattern typically)
1467 |             var matmulOp: HLOOperation?
1468 |             var matmulIdx: Int?
     |                 `- warning: variable 'matmulIdx' was written to, but never read
1469 |             for idx in pattern.operationIndices {
1470 |                 let op = function.operations[idx]
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/CustomCallHandlers.swift:694:13: warning: initialization of immutable value 'approximate' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
 692 |
 693 |         let x = inputs[0]
 694 |         let approximate = BackendConfigParser.getBool(config, key: "approximate", default: false)
     |             `- warning: initialization of immutable value 'approximate' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
 695 |
 696 |         // GELU: 0.5 * x * (1 + tanh(sqrt(2/pi) * (x + 0.044715 * x^3)))
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/CustomCallHandlers.swift:749:13: warning: variable 'startIndices1' was never mutated; consider changing to 'let' constant
 747 |         // Split x into first half and second half along last dimension
 748 |         // x1 = x[..., :halfDim], x2 = x[..., halfDim:]
 749 |         var startIndices1 = [Int](repeating: 0, count: rank)
     |             `- warning: variable 'startIndices1' was never mutated; consider changing to 'let' constant
 750 |         var endIndices1 = xShape.map { $0.intValue }
 751 |         endIndices1[rank - 1] = halfDim
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/CustomCallHandlers.swift:789:17: warning: variable 'cosStart' was never mutated; consider changing to 'let' constant
 787 |             // freqs contains both cos and sin interleaved or concatenated
 788 |             // Assume first half is cos, second half is sin
 789 |             var cosStart = [Int](repeating: 0, count: freqsRank)
     |                 `- warning: variable 'cosStart' was never mutated; consider changing to 'let' constant
 790 |             var cosEnd = freqsShape.map { $0.intValue }
 791 |             cosEnd[freqsRank - 1] = halfDim
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/MPSGraphCompiler.swift:3602:13: warning: immutable value 'targetInputOrder' was never used; consider removing it [#no-usage]
3600 |
3601 |         // Transpose input to target layout
3602 |         let targetInputOrder: [Int]
     |             `- warning: immutable value 'targetInputOrder' was never used; consider removing it [#no-usage]
3603 |         switch targetDataLayout {
3604 |         case .NHWC:
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/MPSGraphCompiler.swift:3633:13: warning: immutable value 'targetKernelOrder' was never used; consider removing it [#no-usage]
3631 |
3632 |         // Transpose weights if needed
3633 |         let targetKernelOrder: [Int]
     |             `- warning: immutable value 'targetKernelOrder' was never used; consider removing it [#no-usage]
3634 |         switch targetWeightsLayout {
3635 |         case .HWIO:
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/MPSGraphCompiler.swift:3681:13: warning: immutable value 'mpsOutputOrder' was never used; consider removing it [#no-usage]
3679 |         ]
3680 |
3681 |         let mpsOutputOrder: [Int]
     |             `- warning: immutable value 'mpsOutputOrder' was never used; consider removing it [#no-usage]
3682 |         switch sourceDataLayout {
3683 |         case .NHWC:
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/MPSGraphCompiler.swift:4683:17: warning: initialization of immutable value 'mask' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
4681 |         if bitsToRound > 0 {
4682 |             // RNE: absBits = (absBits + ((1<<(bitsToRound-1)) - 1) + keptLSB) & ~mask
4683 |             let mask = u32((UInt32(1) << UInt32(bitsToRound)) - 1)
     |                 `- warning: initialization of immutable value 'mask' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
4684 |             let shifted = graph.bitwiseRightShift(absBits, u32(UInt32(bitsToRound)), name: nil)
4685 |             let keptLSB = graph.bitwiseAND(shifted, u32(1), name: nil)
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/PassManager.swift:894:13: warning: variable 'opsToRemove' was never mutated; consider changing to 'let' constant
 892 |
 893 |         var newOperations = function.operations
 894 |         var opsToRemove = Set<Int>()
     |             `- warning: variable 'opsToRemove' was never mutated; consider changing to 'let' constant
 895 |         var changed = false
 896 |
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/PassManager.swift:1030:13: warning: variable 'opsToRemove' was never mutated; consider changing to 'let' constant
1028 |
1029 |         var newOperations = function.operations
1030 |         var opsToRemove = Set<Int>()
     |             `- warning: variable 'opsToRemove' was never mutated; consider changing to 'let' constant
1031 |         var changed = false
1032 |
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/PassManager.swift:1468:17: warning: variable 'matmulIdx' was written to, but never read
1466 |             // Find the matmul operation (first in pattern typically)
1467 |             var matmulOp: HLOOperation?
1468 |             var matmulIdx: Int?
     |                 `- warning: variable 'matmulIdx' was written to, but never read
1469 |             for idx in pattern.operationIndices {
1470 |                 let op = function.operations[idx]
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/CustomCallHandlers.swift:694:13: warning: initialization of immutable value 'approximate' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
 692 |
 693 |         let x = inputs[0]
 694 |         let approximate = BackendConfigParser.getBool(config, key: "approximate", default: false)
     |             `- warning: initialization of immutable value 'approximate' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
 695 |
 696 |         // GELU: 0.5 * x * (1 + tanh(sqrt(2/pi) * (x + 0.044715 * x^3)))
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/CustomCallHandlers.swift:749:13: warning: variable 'startIndices1' was never mutated; consider changing to 'let' constant
 747 |         // Split x into first half and second half along last dimension
 748 |         // x1 = x[..., :halfDim], x2 = x[..., halfDim:]
 749 |         var startIndices1 = [Int](repeating: 0, count: rank)
     |             `- warning: variable 'startIndices1' was never mutated; consider changing to 'let' constant
 750 |         var endIndices1 = xShape.map { $0.intValue }
 751 |         endIndices1[rank - 1] = halfDim
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/CustomCallHandlers.swift:789:17: warning: variable 'cosStart' was never mutated; consider changing to 'let' constant
 787 |             // freqs contains both cos and sin interleaved or concatenated
 788 |             // Assume first half is cos, second half is sin
 789 |             var cosStart = [Int](repeating: 0, count: freqsRank)
     |                 `- warning: variable 'cosStart' was never mutated; consider changing to 'let' constant
 790 |             var cosEnd = freqsShape.map { $0.intValue }
 791 |             cosEnd[freqsRank - 1] = halfDim
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/MPSGraphCompiler.swift:3602:13: warning: immutable value 'targetInputOrder' was never used; consider removing it [#no-usage]
3600 |
3601 |         // Transpose input to target layout
3602 |         let targetInputOrder: [Int]
     |             `- warning: immutable value 'targetInputOrder' was never used; consider removing it [#no-usage]
3603 |         switch targetDataLayout {
3604 |         case .NHWC:
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/MPSGraphCompiler.swift:3633:13: warning: immutable value 'targetKernelOrder' was never used; consider removing it [#no-usage]
3631 |
3632 |         // Transpose weights if needed
3633 |         let targetKernelOrder: [Int]
     |             `- warning: immutable value 'targetKernelOrder' was never used; consider removing it [#no-usage]
3634 |         switch targetWeightsLayout {
3635 |         case .HWIO:
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/MPSGraphCompiler.swift:3681:13: warning: immutable value 'mpsOutputOrder' was never used; consider removing it [#no-usage]
3679 |         ]
3680 |
3681 |         let mpsOutputOrder: [Int]
     |             `- warning: immutable value 'mpsOutputOrder' was never used; consider removing it [#no-usage]
3682 |         switch sourceDataLayout {
3683 |         case .NHWC:
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/MPSGraphCompiler.swift:4683:17: warning: initialization of immutable value 'mask' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
4681 |         if bitsToRound > 0 {
4682 |             // RNE: absBits = (absBits + ((1<<(bitsToRound-1)) - 1) + keptLSB) & ~mask
4683 |             let mask = u32((UInt32(1) << UInt32(bitsToRound)) - 1)
     |                 `- warning: initialization of immutable value 'mask' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
4684 |             let shifted = graph.bitwiseRightShift(absBits, u32(UInt32(bitsToRound)), name: nil)
4685 |             let keptLSB = graph.bitwiseAND(shifted, u32(1), name: nil)
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/PassManager.swift:894:13: warning: variable 'opsToRemove' was never mutated; consider changing to 'let' constant
 892 |
 893 |         var newOperations = function.operations
 894 |         var opsToRemove = Set<Int>()
     |             `- warning: variable 'opsToRemove' was never mutated; consider changing to 'let' constant
 895 |         var changed = false
 896 |
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/PassManager.swift:1030:13: warning: variable 'opsToRemove' was never mutated; consider changing to 'let' constant
1028 |
1029 |         var newOperations = function.operations
1030 |         var opsToRemove = Set<Int>()
     |             `- warning: variable 'opsToRemove' was never mutated; consider changing to 'let' constant
1031 |         var changed = false
1032 |
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/PassManager.swift:1468:17: warning: variable 'matmulIdx' was written to, but never read
1466 |             // Find the matmul operation (first in pattern typically)
1467 |             var matmulOp: HLOOperation?
1468 |             var matmulIdx: Int?
     |                 `- warning: variable 'matmulIdx' was written to, but never read
1469 |             for idx in pattern.operationIndices {
1470 |                 let op = function.operations[idx]
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/CustomCallHandlers.swift:694:13: warning: initialization of immutable value 'approximate' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
 692 |
 693 |         let x = inputs[0]
 694 |         let approximate = BackendConfigParser.getBool(config, key: "approximate", default: false)
     |             `- warning: initialization of immutable value 'approximate' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
 695 |
 696 |         // GELU: 0.5 * x * (1 + tanh(sqrt(2/pi) * (x + 0.044715 * x^3)))
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/CustomCallHandlers.swift:749:13: warning: variable 'startIndices1' was never mutated; consider changing to 'let' constant
 747 |         // Split x into first half and second half along last dimension
 748 |         // x1 = x[..., :halfDim], x2 = x[..., halfDim:]
 749 |         var startIndices1 = [Int](repeating: 0, count: rank)
     |             `- warning: variable 'startIndices1' was never mutated; consider changing to 'let' constant
 750 |         var endIndices1 = xShape.map { $0.intValue }
 751 |         endIndices1[rank - 1] = halfDim
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/CustomCallHandlers.swift:789:17: warning: variable 'cosStart' was never mutated; consider changing to 'let' constant
 787 |             // freqs contains both cos and sin interleaved or concatenated
 788 |             // Assume first half is cos, second half is sin
 789 |             var cosStart = [Int](repeating: 0, count: freqsRank)
     |                 `- warning: variable 'cosStart' was never mutated; consider changing to 'let' constant
 790 |             var cosEnd = freqsShape.map { $0.intValue }
 791 |             cosEnd[freqsRank - 1] = halfDim
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/MPSGraphCompiler.swift:3602:13: warning: immutable value 'targetInputOrder' was never used; consider removing it [#no-usage]
3600 |
3601 |         // Transpose input to target layout
3602 |         let targetInputOrder: [Int]
     |             `- warning: immutable value 'targetInputOrder' was never used; consider removing it [#no-usage]
3603 |         switch targetDataLayout {
3604 |         case .NHWC:
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/MPSGraphCompiler.swift:3633:13: warning: immutable value 'targetKernelOrder' was never used; consider removing it [#no-usage]
3631 |
3632 |         // Transpose weights if needed
3633 |         let targetKernelOrder: [Int]
     |             `- warning: immutable value 'targetKernelOrder' was never used; consider removing it [#no-usage]
3634 |         switch targetWeightsLayout {
3635 |         case .HWIO:
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/MPSGraphCompiler.swift:3681:13: warning: immutable value 'mpsOutputOrder' was never used; consider removing it [#no-usage]
3679 |         ]
3680 |
3681 |         let mpsOutputOrder: [Int]
     |             `- warning: immutable value 'mpsOutputOrder' was never used; consider removing it [#no-usage]
3682 |         switch sourceDataLayout {
3683 |         case .NHWC:
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/MPSGraphCompiler.swift:4683:17: warning: initialization of immutable value 'mask' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
4681 |         if bitsToRound > 0 {
4682 |             // RNE: absBits = (absBits + ((1<<(bitsToRound-1)) - 1) + keptLSB) & ~mask
4683 |             let mask = u32((UInt32(1) << UInt32(bitsToRound)) - 1)
     |                 `- warning: initialization of immutable value 'mask' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
4684 |             let shifted = graph.bitwiseRightShift(absBits, u32(UInt32(bitsToRound)), name: nil)
4685 |             let keptLSB = graph.bitwiseAND(shifted, u32(1), name: nil)
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/PassManager.swift:894:13: warning: variable 'opsToRemove' was never mutated; consider changing to 'let' constant
 892 |
 893 |         var newOperations = function.operations
 894 |         var opsToRemove = Set<Int>()
     |             `- warning: variable 'opsToRemove' was never mutated; consider changing to 'let' constant
 895 |         var changed = false
 896 |
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/PassManager.swift:1030:13: warning: variable 'opsToRemove' was never mutated; consider changing to 'let' constant
1028 |
1029 |         var newOperations = function.operations
1030 |         var opsToRemove = Set<Int>()
     |             `- warning: variable 'opsToRemove' was never mutated; consider changing to 'let' constant
1031 |         var changed = false
1032 |
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/PassManager.swift:1468:17: warning: variable 'matmulIdx' was written to, but never read
1466 |             // Find the matmul operation (first in pattern typically)
1467 |             var matmulOp: HLOOperation?
1468 |             var matmulIdx: Int?
     |                 `- warning: variable 'matmulIdx' was written to, but never read
1469 |             for idx in pattern.operationIndices {
1470 |                 let op = function.operations[idx]
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/CustomCallHandlers.swift:694:13: warning: initialization of immutable value 'approximate' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
 692 |
 693 |         let x = inputs[0]
 694 |         let approximate = BackendConfigParser.getBool(config, key: "approximate", default: false)
     |             `- warning: initialization of immutable value 'approximate' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
 695 |
 696 |         // GELU: 0.5 * x * (1 + tanh(sqrt(2/pi) * (x + 0.044715 * x^3)))
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/CustomCallHandlers.swift:749:13: warning: variable 'startIndices1' was never mutated; consider changing to 'let' constant
 747 |         // Split x into first half and second half along last dimension
 748 |         // x1 = x[..., :halfDim], x2 = x[..., halfDim:]
 749 |         var startIndices1 = [Int](repeating: 0, count: rank)
     |             `- warning: variable 'startIndices1' was never mutated; consider changing to 'let' constant
 750 |         var endIndices1 = xShape.map { $0.intValue }
 751 |         endIndices1[rank - 1] = halfDim
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/CustomCallHandlers.swift:789:17: warning: variable 'cosStart' was never mutated; consider changing to 'let' constant
 787 |             // freqs contains both cos and sin interleaved or concatenated
 788 |             // Assume first half is cos, second half is sin
 789 |             var cosStart = [Int](repeating: 0, count: freqsRank)
     |                 `- warning: variable 'cosStart' was never mutated; consider changing to 'let' constant
 790 |             var cosEnd = freqsShape.map { $0.intValue }
 791 |             cosEnd[freqsRank - 1] = halfDim
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/MPSGraphCompiler.swift:3602:13: warning: immutable value 'targetInputOrder' was never used; consider removing it [#no-usage]
3600 |
3601 |         // Transpose input to target layout
3602 |         let targetInputOrder: [Int]
     |             `- warning: immutable value 'targetInputOrder' was never used; consider removing it [#no-usage]
3603 |         switch targetDataLayout {
3604 |         case .NHWC:
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/MPSGraphCompiler.swift:3633:13: warning: immutable value 'targetKernelOrder' was never used; consider removing it [#no-usage]
3631 |
3632 |         // Transpose weights if needed
3633 |         let targetKernelOrder: [Int]
     |             `- warning: immutable value 'targetKernelOrder' was never used; consider removing it [#no-usage]
3634 |         switch targetWeightsLayout {
3635 |         case .HWIO:
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/MPSGraphCompiler.swift:3681:13: warning: immutable value 'mpsOutputOrder' was never used; consider removing it [#no-usage]
3679 |         ]
3680 |
3681 |         let mpsOutputOrder: [Int]
     |             `- warning: immutable value 'mpsOutputOrder' was never used; consider removing it [#no-usage]
3682 |         switch sourceDataLayout {
3683 |         case .NHWC:
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/MPSGraphCompiler.swift:4683:17: warning: initialization of immutable value 'mask' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
4681 |         if bitsToRound > 0 {
4682 |             // RNE: absBits = (absBits + ((1<<(bitsToRound-1)) - 1) + keptLSB) & ~mask
4683 |             let mask = u32((UInt32(1) << UInt32(bitsToRound)) - 1)
     |                 `- warning: initialization of immutable value 'mask' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
4684 |             let shifted = graph.bitwiseRightShift(absBits, u32(UInt32(bitsToRound)), name: nil)
4685 |             let keptLSB = graph.bitwiseAND(shifted, u32(1), name: nil)
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/PassManager.swift:894:13: warning: variable 'opsToRemove' was never mutated; consider changing to 'let' constant
 892 |
 893 |         var newOperations = function.operations
 894 |         var opsToRemove = Set<Int>()
     |             `- warning: variable 'opsToRemove' was never mutated; consider changing to 'let' constant
 895 |         var changed = false
 896 |
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/PassManager.swift:1030:13: warning: variable 'opsToRemove' was never mutated; consider changing to 'let' constant
1028 |
1029 |         var newOperations = function.operations
1030 |         var opsToRemove = Set<Int>()
     |             `- warning: variable 'opsToRemove' was never mutated; consider changing to 'let' constant
1031 |         var changed = false
1032 |
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/PassManager.swift:1468:17: warning: variable 'matmulIdx' was written to, but never read
1466 |             // Find the matmul operation (first in pattern typically)
1467 |             var matmulOp: HLOOperation?
1468 |             var matmulIdx: Int?
     |                 `- warning: variable 'matmulIdx' was written to, but never read
1469 |             for idx in pattern.operationIndices {
1470 |                 let op = function.operations[idx]
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/CustomCallHandlers.swift:694:13: warning: initialization of immutable value 'approximate' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
 692 |
 693 |         let x = inputs[0]
 694 |         let approximate = BackendConfigParser.getBool(config, key: "approximate", default: false)
     |             `- warning: initialization of immutable value 'approximate' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
 695 |
 696 |         // GELU: 0.5 * x * (1 + tanh(sqrt(2/pi) * (x + 0.044715 * x^3)))
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/CustomCallHandlers.swift:749:13: warning: variable 'startIndices1' was never mutated; consider changing to 'let' constant
 747 |         // Split x into first half and second half along last dimension
 748 |         // x1 = x[..., :halfDim], x2 = x[..., halfDim:]
 749 |         var startIndices1 = [Int](repeating: 0, count: rank)
     |             `- warning: variable 'startIndices1' was never mutated; consider changing to 'let' constant
 750 |         var endIndices1 = xShape.map { $0.intValue }
 751 |         endIndices1[rank - 1] = halfDim
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/CustomCallHandlers.swift:789:17: warning: variable 'cosStart' was never mutated; consider changing to 'let' constant
 787 |             // freqs contains both cos and sin interleaved or concatenated
 788 |             // Assume first half is cos, second half is sin
 789 |             var cosStart = [Int](repeating: 0, count: freqsRank)
     |                 `- warning: variable 'cosStart' was never mutated; consider changing to 'let' constant
 790 |             var cosEnd = freqsShape.map { $0.intValue }
 791 |             cosEnd[freqsRank - 1] = halfDim
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/MPSGraphCompiler.swift:3602:13: warning: immutable value 'targetInputOrder' was never used; consider removing it [#no-usage]
3600 |
3601 |         // Transpose input to target layout
3602 |         let targetInputOrder: [Int]
     |             `- warning: immutable value 'targetInputOrder' was never used; consider removing it [#no-usage]
3603 |         switch targetDataLayout {
3604 |         case .NHWC:
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/MPSGraphCompiler.swift:3633:13: warning: immutable value 'targetKernelOrder' was never used; consider removing it [#no-usage]
3631 |
3632 |         // Transpose weights if needed
3633 |         let targetKernelOrder: [Int]
     |             `- warning: immutable value 'targetKernelOrder' was never used; consider removing it [#no-usage]
3634 |         switch targetWeightsLayout {
3635 |         case .HWIO:
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/MPSGraphCompiler.swift:3681:13: warning: immutable value 'mpsOutputOrder' was never used; consider removing it [#no-usage]
3679 |         ]
3680 |
3681 |         let mpsOutputOrder: [Int]
     |             `- warning: immutable value 'mpsOutputOrder' was never used; consider removing it [#no-usage]
3682 |         switch sourceDataLayout {
3683 |         case .NHWC:
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/MPSGraphCompiler.swift:4683:17: warning: initialization of immutable value 'mask' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
4681 |         if bitsToRound > 0 {
4682 |             // RNE: absBits = (absBits + ((1<<(bitsToRound-1)) - 1) + keptLSB) & ~mask
4683 |             let mask = u32((UInt32(1) << UInt32(bitsToRound)) - 1)
     |                 `- warning: initialization of immutable value 'mask' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
4684 |             let shifted = graph.bitwiseRightShift(absBits, u32(UInt32(bitsToRound)), name: nil)
4685 |             let keptLSB = graph.bitwiseAND(shifted, u32(1), name: nil)
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/PassManager.swift:894:13: warning: variable 'opsToRemove' was never mutated; consider changing to 'let' constant
 892 |
 893 |         var newOperations = function.operations
 894 |         var opsToRemove = Set<Int>()
     |             `- warning: variable 'opsToRemove' was never mutated; consider changing to 'let' constant
 895 |         var changed = false
 896 |
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/PassManager.swift:1030:13: warning: variable 'opsToRemove' was never mutated; consider changing to 'let' constant
1028 |
1029 |         var newOperations = function.operations
1030 |         var opsToRemove = Set<Int>()
     |             `- warning: variable 'opsToRemove' was never mutated; consider changing to 'let' constant
1031 |         var changed = false
1032 |
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/PassManager.swift:1468:17: warning: variable 'matmulIdx' was written to, but never read
1466 |             // Find the matmul operation (first in pattern typically)
1467 |             var matmulOp: HLOOperation?
1468 |             var matmulIdx: Int?
     |                 `- warning: variable 'matmulIdx' was written to, but never read
1469 |             for idx in pattern.operationIndices {
1470 |                 let op = function.operations[idx]
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/CustomCallHandlers.swift:694:13: warning: initialization of immutable value 'approximate' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
 692 |
 693 |         let x = inputs[0]
 694 |         let approximate = BackendConfigParser.getBool(config, key: "approximate", default: false)
     |             `- warning: initialization of immutable value 'approximate' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
 695 |
 696 |         // GELU: 0.5 * x * (1 + tanh(sqrt(2/pi) * (x + 0.044715 * x^3)))
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/CustomCallHandlers.swift:749:13: warning: variable 'startIndices1' was never mutated; consider changing to 'let' constant
 747 |         // Split x into first half and second half along last dimension
 748 |         // x1 = x[..., :halfDim], x2 = x[..., halfDim:]
 749 |         var startIndices1 = [Int](repeating: 0, count: rank)
     |             `- warning: variable 'startIndices1' was never mutated; consider changing to 'let' constant
 750 |         var endIndices1 = xShape.map { $0.intValue }
 751 |         endIndices1[rank - 1] = halfDim
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/CustomCallHandlers.swift:789:17: warning: variable 'cosStart' was never mutated; consider changing to 'let' constant
 787 |             // freqs contains both cos and sin interleaved or concatenated
 788 |             // Assume first half is cos, second half is sin
 789 |             var cosStart = [Int](repeating: 0, count: freqsRank)
     |                 `- warning: variable 'cosStart' was never mutated; consider changing to 'let' constant
 790 |             var cosEnd = freqsShape.map { $0.intValue }
 791 |             cosEnd[freqsRank - 1] = halfDim
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/MPSGraphCompiler.swift:3602:13: warning: immutable value 'targetInputOrder' was never used; consider removing it [#no-usage]
3600 |
3601 |         // Transpose input to target layout
3602 |         let targetInputOrder: [Int]
     |             `- warning: immutable value 'targetInputOrder' was never used; consider removing it [#no-usage]
3603 |         switch targetDataLayout {
3604 |         case .NHWC:
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/MPSGraphCompiler.swift:3633:13: warning: immutable value 'targetKernelOrder' was never used; consider removing it [#no-usage]
3631 |
3632 |         // Transpose weights if needed
3633 |         let targetKernelOrder: [Int]
     |             `- warning: immutable value 'targetKernelOrder' was never used; consider removing it [#no-usage]
3634 |         switch targetWeightsLayout {
3635 |         case .HWIO:
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/MPSGraphCompiler.swift:3681:13: warning: immutable value 'mpsOutputOrder' was never used; consider removing it [#no-usage]
3679 |         ]
3680 |
3681 |         let mpsOutputOrder: [Int]
     |             `- warning: immutable value 'mpsOutputOrder' was never used; consider removing it [#no-usage]
3682 |         switch sourceDataLayout {
3683 |         case .NHWC:
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/MPSGraphCompiler.swift:4683:17: warning: initialization of immutable value 'mask' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
4681 |         if bitsToRound > 0 {
4682 |             // RNE: absBits = (absBits + ((1<<(bitsToRound-1)) - 1) + keptLSB) & ~mask
4683 |             let mask = u32((UInt32(1) << UInt32(bitsToRound)) - 1)
     |                 `- warning: initialization of immutable value 'mask' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
4684 |             let shifted = graph.bitwiseRightShift(absBits, u32(UInt32(bitsToRound)), name: nil)
4685 |             let keptLSB = graph.bitwiseAND(shifted, u32(1), name: nil)
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/PassManager.swift:894:13: warning: variable 'opsToRemove' was never mutated; consider changing to 'let' constant
 892 |
 893 |         var newOperations = function.operations
 894 |         var opsToRemove = Set<Int>()
     |             `- warning: variable 'opsToRemove' was never mutated; consider changing to 'let' constant
 895 |         var changed = false
 896 |
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/PassManager.swift:1030:13: warning: variable 'opsToRemove' was never mutated; consider changing to 'let' constant
1028 |
1029 |         var newOperations = function.operations
1030 |         var opsToRemove = Set<Int>()
     |             `- warning: variable 'opsToRemove' was never mutated; consider changing to 'let' constant
1031 |         var changed = false
1032 |
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/PassManager.swift:1468:17: warning: variable 'matmulIdx' was written to, but never read
1466 |             // Find the matmul operation (first in pattern typically)
1467 |             var matmulOp: HLOOperation?
1468 |             var matmulIdx: Int?
     |                 `- warning: variable 'matmulIdx' was written to, but never read
1469 |             for idx in pattern.operationIndices {
1470 |                 let op = function.operations[idx]
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/CustomCallHandlers.swift:694:13: warning: initialization of immutable value 'approximate' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
 692 |
 693 |         let x = inputs[0]
 694 |         let approximate = BackendConfigParser.getBool(config, key: "approximate", default: false)
     |             `- warning: initialization of immutable value 'approximate' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
 695 |
 696 |         // GELU: 0.5 * x * (1 + tanh(sqrt(2/pi) * (x + 0.044715 * x^3)))
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/CustomCallHandlers.swift:749:13: warning: variable 'startIndices1' was never mutated; consider changing to 'let' constant
 747 |         // Split x into first half and second half along last dimension
 748 |         // x1 = x[..., :halfDim], x2 = x[..., halfDim:]
 749 |         var startIndices1 = [Int](repeating: 0, count: rank)
     |             `- warning: variable 'startIndices1' was never mutated; consider changing to 'let' constant
 750 |         var endIndices1 = xShape.map { $0.intValue }
 751 |         endIndices1[rank - 1] = halfDim
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/CustomCallHandlers.swift:789:17: warning: variable 'cosStart' was never mutated; consider changing to 'let' constant
 787 |             // freqs contains both cos and sin interleaved or concatenated
 788 |             // Assume first half is cos, second half is sin
 789 |             var cosStart = [Int](repeating: 0, count: freqsRank)
     |                 `- warning: variable 'cosStart' was never mutated; consider changing to 'let' constant
 790 |             var cosEnd = freqsShape.map { $0.intValue }
 791 |             cosEnd[freqsRank - 1] = halfDim
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/MPSGraphCompiler.swift:3602:13: warning: immutable value 'targetInputOrder' was never used; consider removing it [#no-usage]
3600 |
3601 |         // Transpose input to target layout
3602 |         let targetInputOrder: [Int]
     |             `- warning: immutable value 'targetInputOrder' was never used; consider removing it [#no-usage]
3603 |         switch targetDataLayout {
3604 |         case .NHWC:
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/MPSGraphCompiler.swift:3633:13: warning: immutable value 'targetKernelOrder' was never used; consider removing it [#no-usage]
3631 |
3632 |         // Transpose weights if needed
3633 |         let targetKernelOrder: [Int]
     |             `- warning: immutable value 'targetKernelOrder' was never used; consider removing it [#no-usage]
3634 |         switch targetWeightsLayout {
3635 |         case .HWIO:
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/MPSGraphCompiler.swift:3681:13: warning: immutable value 'mpsOutputOrder' was never used; consider removing it [#no-usage]
3679 |         ]
3680 |
3681 |         let mpsOutputOrder: [Int]
     |             `- warning: immutable value 'mpsOutputOrder' was never used; consider removing it [#no-usage]
3682 |         switch sourceDataLayout {
3683 |         case .NHWC:
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/MPSGraphCompiler.swift:4683:17: warning: initialization of immutable value 'mask' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
4681 |         if bitsToRound > 0 {
4682 |             // RNE: absBits = (absBits + ((1<<(bitsToRound-1)) - 1) + keptLSB) & ~mask
4683 |             let mask = u32((UInt32(1) << UInt32(bitsToRound)) - 1)
     |                 `- warning: initialization of immutable value 'mask' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
4684 |             let shifted = graph.bitwiseRightShift(absBits, u32(UInt32(bitsToRound)), name: nil)
4685 |             let keptLSB = graph.bitwiseAND(shifted, u32(1), name: nil)
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/PassManager.swift:894:13: warning: variable 'opsToRemove' was never mutated; consider changing to 'let' constant
 892 |
 893 |         var newOperations = function.operations
 894 |         var opsToRemove = Set<Int>()
     |             `- warning: variable 'opsToRemove' was never mutated; consider changing to 'let' constant
 895 |         var changed = false
 896 |
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/PassManager.swift:1030:13: warning: variable 'opsToRemove' was never mutated; consider changing to 'let' constant
1028 |
1029 |         var newOperations = function.operations
1030 |         var opsToRemove = Set<Int>()
     |             `- warning: variable 'opsToRemove' was never mutated; consider changing to 'let' constant
1031 |         var changed = false
1032 |
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/PassManager.swift:1468:17: warning: variable 'matmulIdx' was written to, but never read
1466 |             // Find the matmul operation (first in pattern typically)
1467 |             var matmulOp: HLOOperation?
1468 |             var matmulIdx: Int?
     |                 `- warning: variable 'matmulIdx' was written to, but never read
1469 |             for idx in pattern.operationIndices {
1470 |                 let op = function.operations[idx]
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/CustomCallHandlers.swift:694:13: warning: initialization of immutable value 'approximate' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
 692 |
 693 |         let x = inputs[0]
 694 |         let approximate = BackendConfigParser.getBool(config, key: "approximate", default: false)
     |             `- warning: initialization of immutable value 'approximate' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
 695 |
 696 |         // GELU: 0.5 * x * (1 + tanh(sqrt(2/pi) * (x + 0.044715 * x^3)))
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/CustomCallHandlers.swift:749:13: warning: variable 'startIndices1' was never mutated; consider changing to 'let' constant
 747 |         // Split x into first half and second half along last dimension
 748 |         // x1 = x[..., :halfDim], x2 = x[..., halfDim:]
 749 |         var startIndices1 = [Int](repeating: 0, count: rank)
     |             `- warning: variable 'startIndices1' was never mutated; consider changing to 'let' constant
 750 |         var endIndices1 = xShape.map { $0.intValue }
 751 |         endIndices1[rank - 1] = halfDim
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/CustomCallHandlers.swift:789:17: warning: variable 'cosStart' was never mutated; consider changing to 'let' constant
 787 |             // freqs contains both cos and sin interleaved or concatenated
 788 |             // Assume first half is cos, second half is sin
 789 |             var cosStart = [Int](repeating: 0, count: freqsRank)
     |                 `- warning: variable 'cosStart' was never mutated; consider changing to 'let' constant
 790 |             var cosEnd = freqsShape.map { $0.intValue }
 791 |             cosEnd[freqsRank - 1] = halfDim
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/MPSGraphCompiler.swift:3602:13: warning: immutable value 'targetInputOrder' was never used; consider removing it [#no-usage]
3600 |
3601 |         // Transpose input to target layout
3602 |         let targetInputOrder: [Int]
     |             `- warning: immutable value 'targetInputOrder' was never used; consider removing it [#no-usage]
3603 |         switch targetDataLayout {
3604 |         case .NHWC:
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/MPSGraphCompiler.swift:3633:13: warning: immutable value 'targetKernelOrder' was never used; consider removing it [#no-usage]
3631 |
3632 |         // Transpose weights if needed
3633 |         let targetKernelOrder: [Int]
     |             `- warning: immutable value 'targetKernelOrder' was never used; consider removing it [#no-usage]
3634 |         switch targetWeightsLayout {
3635 |         case .HWIO:
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/MPSGraphCompiler.swift:3681:13: warning: immutable value 'mpsOutputOrder' was never used; consider removing it [#no-usage]
3679 |         ]
3680 |
3681 |         let mpsOutputOrder: [Int]
     |             `- warning: immutable value 'mpsOutputOrder' was never used; consider removing it [#no-usage]
3682 |         switch sourceDataLayout {
3683 |         case .NHWC:
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/MPSGraphCompiler.swift:4683:17: warning: initialization of immutable value 'mask' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
4681 |         if bitsToRound > 0 {
4682 |             // RNE: absBits = (absBits + ((1<<(bitsToRound-1)) - 1) + keptLSB) & ~mask
4683 |             let mask = u32((UInt32(1) << UInt32(bitsToRound)) - 1)
     |                 `- warning: initialization of immutable value 'mask' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
4684 |             let shifted = graph.bitwiseRightShift(absBits, u32(UInt32(bitsToRound)), name: nil)
4685 |             let keptLSB = graph.bitwiseAND(shifted, u32(1), name: nil)
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/PassManager.swift:894:13: warning: variable 'opsToRemove' was never mutated; consider changing to 'let' constant
 892 |
 893 |         var newOperations = function.operations
 894 |         var opsToRemove = Set<Int>()
     |             `- warning: variable 'opsToRemove' was never mutated; consider changing to 'let' constant
 895 |         var changed = false
 896 |
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/PassManager.swift:1030:13: warning: variable 'opsToRemove' was never mutated; consider changing to 'let' constant
1028 |
1029 |         var newOperations = function.operations
1030 |         var opsToRemove = Set<Int>()
     |             `- warning: variable 'opsToRemove' was never mutated; consider changing to 'let' constant
1031 |         var changed = false
1032 |
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOCore/Compiler/PassManager.swift:1468:17: warning: variable 'matmulIdx' was written to, but never read
1466 |             // Find the matmul operation (first in pattern typically)
1467 |             var matmulOp: HLOOperation?
1468 |             var matmulIdx: Int?
     |                 `- warning: variable 'matmulIdx' was written to, but never read
1469 |             for idx in pattern.operationIndices {
1470 |                 let op = function.operations[idx]
[442/463] Compiling MetalHLO MetalHLO.swift
[443/463] Compiling MetalHLO TensorType.swift
[444/463] Compiling MetalHLO Errors.swift
[445/463] Compiling MetalHLO ElementType.swift
[446/463] Compiling MetalHLO Client.swift
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLO/Client.swift:79:9: warning: no calls to throwing functions occur within 'try' expression
 77 |     /// - Returns: A compiled `Executable` ready for execution.
 78 |     public func compile(_ mlir: String) throws -> Executable {
 79 |         try withNarrowOutputs(try compileMPSGraph(mlir), source: mlir)
    |         `- warning: no calls to throwing functions occur within 'try' expression
 80 |     }
 81 |
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLO/Client.swift:174:9: warning: no calls to throwing functions occur within 'try' expression
172 |     /// - Returns: A compiled `Executable` ready for execution.
173 |     public func compile(_ mlir: String, config: CompilationConfig) throws -> Executable {
174 |         try withNarrowOutputs(try compileConfigured(mlir, config: config), source: mlir)
    |         `- warning: no calls to throwing functions occur within 'try' expression
175 |     }
176 |
[447/463] Compiling MetalHLO CompilationConfig.swift
[448/463] Compiling MetalHLO Buffer.swift
[449/463] Emitting module MetalHLO
[450/463] Compiling MetalHLO Executable.swift
[451/485] Compiling PJRTMetalHLO PJRTMemory.swift
[452/486] Compiling PJRTMetalHLO PJRTTopology.swift
[453/486] Compiling MetalHLOBenchmarks PowerEfficiencyBenchmarks.swift
[454/486] Compiling MetalHLOBenchmarks FusionAnalysisBenchmarks.swift
[455/486] Compiling MetalHLOBenchmarks MemoryBenchmarks.swift
[456/486] Compiling MetalHLOBenchmarks CompilerBenchmarks.swift
[457/486] Emitting module MetalHLOBenchmarks
[458/486] Compiling MetalHLOBenchmarks ModelBenchmarks.swift
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOBenchmarks/ModelBenchmarks.swift:479:33: warning: no calls to throwing functions occur within 'try' expression
 477 |                 let input = try gen.createUniformFloat32Buffer(client: client, shape: [1, 56, 56, 64])
 478 |                 let conv1_w = try gen.createNormalFloat32Buffer(client: client, shape: [3, 3, 64, 64], mean: 0, stdDev: 0.05)
 479 |                 let bn1_scale = try client.createBuffer([Float](repeating: 1.0, count: 64), shape: [64])
     |                                 `- warning: no calls to throwing functions occur within 'try' expression
 480 |                 let bn1_offset = try gen.createZerosBuffer(client: client, shape: [64], elementType: .float32)
 481 |                 let bn1_mean = try gen.createZerosBuffer(client: client, shape: [64], elementType: .float32)
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOBenchmarks/ModelBenchmarks.swift:482:31: warning: no calls to throwing functions occur within 'try' expression
 480 |                 let bn1_offset = try gen.createZerosBuffer(client: client, shape: [64], elementType: .float32)
 481 |                 let bn1_mean = try gen.createZerosBuffer(client: client, shape: [64], elementType: .float32)
 482 |                 let bn1_var = try client.createBuffer([Float](repeating: 1.0, count: 64), shape: [64])
     |                               `- warning: no calls to throwing functions occur within 'try' expression
 483 |                 let conv2_w = try gen.createNormalFloat32Buffer(client: client, shape: [3, 3, 64, 64], mean: 0, stdDev: 0.05)
 484 |                 let bn2_scale = try client.createBuffer([Float](repeating: 1.0, count: 64), shape: [64])
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOBenchmarks/ModelBenchmarks.swift:484:33: warning: no calls to throwing functions occur within 'try' expression
 482 |                 let bn1_var = try client.createBuffer([Float](repeating: 1.0, count: 64), shape: [64])
 483 |                 let conv2_w = try gen.createNormalFloat32Buffer(client: client, shape: [3, 3, 64, 64], mean: 0, stdDev: 0.05)
 484 |                 let bn2_scale = try client.createBuffer([Float](repeating: 1.0, count: 64), shape: [64])
     |                                 `- warning: no calls to throwing functions occur within 'try' expression
 485 |                 let bn2_offset = try gen.createZerosBuffer(client: client, shape: [64], elementType: .float32)
 486 |                 let bn2_mean = try gen.createZerosBuffer(client: client, shape: [64], elementType: .float32)
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOBenchmarks/ModelBenchmarks.swift:487:31: warning: no calls to throwing functions occur within 'try' expression
 485 |                 let bn2_offset = try gen.createZerosBuffer(client: client, shape: [64], elementType: .float32)
 486 |                 let bn2_mean = try gen.createZerosBuffer(client: client, shape: [64], elementType: .float32)
 487 |                 let bn2_var = try client.createBuffer([Float](repeating: 1.0, count: 64), shape: [64])
     |                               `- warning: no calls to throwing functions occur within 'try' expression
 488 |                 return [input, conv1_w, bn1_scale, bn1_offset, bn1_mean, bn1_var, conv2_w, bn2_scale, bn2_offset, bn2_mean, bn2_var]
 489 |             }
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOBenchmarks/ModelBenchmarks.swift:530:33: warning: no calls to throwing functions occur within 'try' expression
 528 |                 let input = try gen.createUniformFloat32Buffer(client: client, shape: [8, 56, 56, 64])
 529 |                 let conv1_w = try gen.createNormalFloat32Buffer(client: client, shape: [3, 3, 64, 64], mean: 0, stdDev: 0.05)
 530 |                 let bn1_scale = try client.createBuffer([Float](repeating: 1.0, count: 64), shape: [64])
     |                                 `- warning: no calls to throwing functions occur within 'try' expression
 531 |                 let bn1_offset = try gen.createZerosBuffer(client: client, shape: [64], elementType: .float32)
 532 |                 let bn1_mean = try gen.createZerosBuffer(client: client, shape: [64], elementType: .float32)
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOBenchmarks/ModelBenchmarks.swift:533:31: warning: no calls to throwing functions occur within 'try' expression
 531 |                 let bn1_offset = try gen.createZerosBuffer(client: client, shape: [64], elementType: .float32)
 532 |                 let bn1_mean = try gen.createZerosBuffer(client: client, shape: [64], elementType: .float32)
 533 |                 let bn1_var = try client.createBuffer([Float](repeating: 1.0, count: 64), shape: [64])
     |                               `- warning: no calls to throwing functions occur within 'try' expression
 534 |                 let conv2_w = try gen.createNormalFloat32Buffer(client: client, shape: [3, 3, 64, 64], mean: 0, stdDev: 0.05)
 535 |                 let bn2_scale = try client.createBuffer([Float](repeating: 1.0, count: 64), shape: [64])
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOBenchmarks/ModelBenchmarks.swift:535:33: warning: no calls to throwing functions occur within 'try' expression
 533 |                 let bn1_var = try client.createBuffer([Float](repeating: 1.0, count: 64), shape: [64])
 534 |                 let conv2_w = try gen.createNormalFloat32Buffer(client: client, shape: [3, 3, 64, 64], mean: 0, stdDev: 0.05)
 535 |                 let bn2_scale = try client.createBuffer([Float](repeating: 1.0, count: 64), shape: [64])
     |                                 `- warning: no calls to throwing functions occur within 'try' expression
 536 |                 let bn2_offset = try gen.createZerosBuffer(client: client, shape: [64], elementType: .float32)
 537 |                 let bn2_mean = try gen.createZerosBuffer(client: client, shape: [64], elementType: .float32)
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOBenchmarks/ModelBenchmarks.swift:538:31: warning: no calls to throwing functions occur within 'try' expression
 536 |                 let bn2_offset = try gen.createZerosBuffer(client: client, shape: [64], elementType: .float32)
 537 |                 let bn2_mean = try gen.createZerosBuffer(client: client, shape: [64], elementType: .float32)
 538 |                 let bn2_var = try client.createBuffer([Float](repeating: 1.0, count: 64), shape: [64])
     |                               `- warning: no calls to throwing functions occur within 'try' expression
 539 |                 return [input, conv1_w, bn1_scale, bn1_offset, bn1_mean, bn1_var, conv2_w, bn2_scale, bn2_offset, bn2_mean, bn2_var]
 540 |             }
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOBenchmarks/ModelBenchmarks.swift:1020:29: warning: no calls to throwing functions occur within 'try' expression
1018 |                 let gen = TestDataGenerator(seed: 42)
1019 |                 let x = try gen.createUniformFloat32Buffer(client: client, shape: [1, 128, 768])
1020 |                 let ln1_g = try client.createBuffer([Float](repeating: 1.0, count: 768), shape: [768])
     |                             `- warning: no calls to throwing functions occur within 'try' expression
1021 |                 let ln1_b = try gen.createZerosBuffer(client: client, shape: [768], elementType: .float32)
1022 |                 let wq = try gen.createNormalFloat32Buffer(client: client, shape: [768, 768], mean: 0, stdDev: 0.02)
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOBenchmarks/ModelBenchmarks.swift:1026:29: warning: no calls to throwing functions occur within 'try' expression
1024 |                 let wv = try gen.createNormalFloat32Buffer(client: client, shape: [768, 768], mean: 0, stdDev: 0.02)
1025 |                 let wo = try gen.createNormalFloat32Buffer(client: client, shape: [768, 768], mean: 0, stdDev: 0.02)
1026 |                 let ln2_g = try client.createBuffer([Float](repeating: 1.0, count: 768), shape: [768])
     |                             `- warning: no calls to throwing functions occur within 'try' expression
1027 |                 let ln2_b = try gen.createZerosBuffer(client: client, shape: [768], elementType: .float32)
1028 |                 let ff_w1 = try gen.createNormalFloat32Buffer(client: client, shape: [768, 3072], mean: 0, stdDev: 0.02)
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOBenchmarks/ModelBenchmarks.swift:1159:38: warning: no calls to throwing functions occur within 'try' expression
1157 |                     tokenIds.append(Int32(gen.uniformFloat32(count: 1)[0] * 29999))
1158 |                 }
1159 |                 let tokenIdsBuffer = try client.createBuffer(tokenIds, shape: [8, 128])
     |                                      `- warning: no calls to throwing functions occur within 'try' expression
1160 |                 return [embeddings, tokenIdsBuffer]
1161 |             },
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOBenchmarks/ModelBenchmarks.swift:1201:28: warning: no calls to throwing functions occur within 'try' expression
1199 |                 let images = try gen.createUniformFloat32Buffer(client: client, shape: [32, 224, 224, 3], min: 0, max: 255)
1200 |                 // ImageNet mean and std
1201 |                 let mean = try client.createBuffer([Float(123.675), Float(116.28), Float(103.53)], shape: [3])
     |                            `- warning: no calls to throwing functions occur within 'try' expression
1202 |                 let std = try client.createBuffer([Float(58.395), Float(57.12), Float(57.375)], shape: [3])
1203 |                 return [images, mean, std]
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOBenchmarks/ModelBenchmarks.swift:1202:27: warning: no calls to throwing functions occur within 'try' expression
1200 |                 // ImageNet mean and std
1201 |                 let mean = try client.createBuffer([Float(123.675), Float(116.28), Float(103.53)], shape: [3])
1202 |                 let std = try client.createBuffer([Float(58.395), Float(57.12), Float(57.375)], shape: [3])
     |                           `- warning: no calls to throwing functions occur within 'try' expression
1203 |                 return [images, mean, std]
1204 |             }
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOBenchmarks/ModelBenchmarks.swift:1261:36: warning: no calls to throwing functions occur within 'try' expression
1259 |                     labels.append(Int32(gen.uniformFloat32(count: 1)[0] * 999))
1260 |                 }
1261 |                 let labelsBuffer = try client.createBuffer(labels, shape: [32])
     |                                    `- warning: no calls to throwing functions occur within 'try' expression
1262 |                 return [logits, labelsBuffer]
1263 |             }
[459/486] Compiling MetalHLOBenchmarks BenchmarkRunner.swift
[460/486] Compiling MetalHLOBenchmarks GPUMetrics.swift
[461/486] Compiling MetalHLOBenchmarks BenchmarkResult.swift
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOBenchmarks/BenchmarkResult.swift:262:24: warning: 'init(cString:)' is deprecated: Use String(decoding: array, as: UTF8.self) instead, after truncating the null termination. [#DeprecatedDeclaration]
260 |             var buffer = [CChar](repeating: 0, count: size)
261 |             sysctlbyname("machdep.cpu.brand_string", &buffer, &size, nil, 0)
262 |             chipName = String(cString: buffer)
    |                        `- warning: 'init(cString:)' is deprecated: Use String(decoding: array, as: UTF8.self) instead, after truncating the null termination. [#DeprecatedDeclaration]
263 |         }
264 |
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOBenchmarks/BenchmarkResult.swift:272:28: warning: 'init(cString:)' is deprecated: Use String(decoding: array, as: UTF8.self) instead, after truncating the null termination. [#DeprecatedDeclaration]
270 |                 var buffer = [CChar](repeating: 0, count: size)
271 |                 sysctlbyname("hw.model", &buffer, &size, nil, 0)
272 |                 chipName = String(cString: buffer)
    |                            `- warning: 'init(cString:)' is deprecated: Use String(decoding: array, as: UTF8.self) instead, after truncating the null termination. [#DeprecatedDeclaration]
273 |             }
274 |         }
[#DeprecatedDeclaration]: <https://docs.swift.org/compiler/documentation/diagnostics/deprecated-declaration>
[462/486] Compiling MetalHLOBenchmarks OperationBenchmarks.swift
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOBenchmarks/OperationBenchmarks.swift:493:25: warning: no calls to throwing functions occur within 'try' expression
 491 |                 let gen = TestDataGenerator(seed: 42)
 492 |                 let a = try gen.createUniformFloat32Buffer(client: client, shape: [1024, 1024])
 493 |                 let b = try client.createBuffer([1.5], shape: [1])
     |                         `- warning: no calls to throwing functions occur within 'try' expression
 494 |                 return [a, b]
 495 |             }
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOBenchmarks/OperationBenchmarks.swift:870:25: warning: no calls to throwing functions occur within 'try' expression
 868 |             """,
 869 |             inputGenerator: { client in
 870 |                 return [try client.createBuffer([Int32(0)], shape: [1])]
     |                         `- warning: no calls to throwing functions occur within 'try' expression
 871 |             }
 872 |         ))
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOBenchmarks/OperationBenchmarks.swift:1082:30: warning: no calls to throwing functions occur within 'try' expression
1080 |                 let gen = TestDataGenerator(seed: 42)
1081 |                 let input = try gen.createUniformFloat32Buffer(client: client, shape: [1024, 1024])
1082 |                 let start0 = try client.createBuffer([Int32(128)], shape: [1])
     |                              `- warning: no calls to throwing functions occur within 'try' expression
1083 |                 let start1 = try client.createBuffer([Int32(128)], shape: [1])
1084 |                 return [input, start0, start1]
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOBenchmarks/OperationBenchmarks.swift:1083:30: warning: no calls to throwing functions occur within 'try' expression
1081 |                 let input = try gen.createUniformFloat32Buffer(client: client, shape: [1024, 1024])
1082 |                 let start0 = try client.createBuffer([Int32(128)], shape: [1])
1083 |                 let start1 = try client.createBuffer([Int32(128)], shape: [1])
     |                              `- warning: no calls to throwing functions occur within 'try' expression
1084 |                 return [input, start0, start1]
1085 |             }
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOBenchmarks/OperationBenchmarks.swift:1107:30: warning: no calls to throwing functions occur within 'try' expression
1105 |                 let input = try gen.createUniformFloat32Buffer(client: client, shape: [1024, 1024])
1106 |                 let update = try gen.createUniformFloat32Buffer(client: client, shape: [256, 256])
1107 |                 let start0 = try client.createBuffer([Int32(128)], shape: [1])
     |                              `- warning: no calls to throwing functions occur within 'try' expression
1108 |                 let start1 = try client.createBuffer([Int32(128)], shape: [1])
1109 |                 return [input, update, start0, start1]
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOBenchmarks/OperationBenchmarks.swift:1108:30: warning: no calls to throwing functions occur within 'try' expression
1106 |                 let update = try gen.createUniformFloat32Buffer(client: client, shape: [256, 256])
1107 |                 let start0 = try client.createBuffer([Int32(128)], shape: [1])
1108 |                 let start1 = try client.createBuffer([Int32(128)], shape: [1])
     |                              `- warning: no calls to throwing functions occur within 'try' expression
1109 |                 return [input, update, start0, start1]
1110 |             }
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOBenchmarks/OperationBenchmarks.swift:1141:37: warning: no calls to throwing functions occur within 'try' expression
1139 |                     indices.append(Int32(gen.uniformFloat32(count: 1)[0] * 9999))
1140 |                 }
1141 |                 let indicesBuffer = try client.createBuffer(indices, shape: [1024])
     |                                     `- warning: no calls to throwing functions occur within 'try' expression
1142 |                 return [table, indicesBuffer]
1143 |             },
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOBenchmarks/OperationBenchmarks.swift:1188:37: warning: no calls to throwing functions occur within 'try' expression
1186 |                     indices.append(Int32(gen.uniformFloat32(count: 1)[0] * 9999))
1187 |                 }
1188 |                 let indicesBuffer = try client.createBuffer(indices, shape: [1024, 1])
     |                                     `- warning: no calls to throwing functions occur within 'try' expression
1189 |                 let updates = try gen.createUniformFloat32Buffer(client: client, shape: [1024, 256])
1190 |                 return [table, indicesBuffer, updates]
[463/487] Compiling CMetalHLO CInterface.swift
[464/487] Emitting module CMetalHLO
[464/487] Write Objects.LinkFileList
[466/487] Compiling MetalHLOBenchmarks TestDataGenerator.swift
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOBenchmarks/TestDataGenerator.swift:144:16: warning: no calls to throwing functions occur within 'try' expression
142 |
143 |         let data = uniformFloat32(count: count)
144 |         return try client.createBuffer(data, shape: shape)
    |                `- warning: no calls to throwing functions occur within 'try' expression
145 |     }
146 |
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOBenchmarks/TestDataGenerator.swift:170:16: warning: no calls to throwing functions occur within 'try' expression
168 |
169 |         let data = uniformFloat32(count: count, min: min, max: max)
170 |         return try client.createBuffer(data, shape: shape)
    |                `- warning: no calls to throwing functions occur within 'try' expression
171 |     }
172 |
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOBenchmarks/TestDataGenerator.swift:182:16: warning: no calls to throwing functions occur within 'try' expression
180 |         let count = shape.reduce(1, *)
181 |         let data = normalFloat32(count: count, mean: mean, stdDev: stdDev)
182 |         return try client.createBuffer(data, shape: shape)
    |                `- warning: no calls to throwing functions occur within 'try' expression
183 |     }
184 |
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOBenchmarks/TestDataGenerator.swift:205:20: warning: no calls to throwing functions occur within 'try' expression
203 |         switch elementType {
204 |         case .float32:
205 |             return try client.createBuffer(zerosFloat32(count: count), shape: shape)
    |                    `- warning: no calls to throwing functions occur within 'try' expression
206 |         case .float16:
207 |             let data = [Float16](repeating: 0, count: count)
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOBenchmarks/TestDataGenerator.swift:214:20: warning: no calls to throwing functions occur within 'try' expression
212 |         default:
213 |             // Fallback to float32
214 |             return try client.createBuffer(zerosFloat32(count: count), shape: shape)
    |                    `- warning: no calls to throwing functions occur within 'try' expression
215 |         }
216 |     }
/Users/admin/builder/spi-builder-workspace/Sources/MetalHLOBenchmarks/TestDataGenerator.swift:227:16: warning: no calls to throwing functions occur within 'try' expression
225 |             data[i * size + i] = 1.0
226 |         }
227 |         return try client.createBuffer(data, shape: [size, size])
    |                `- warning: no calls to throwing functions occur within 'try' expression
228 |     }
229 | }
[466/493] Linking libCMetalHLO.dylib
[468/493] Compiling PJRTMetalHLO PJRTError.swift
[469/493] Compiling PJRTMetalHLO PJRTEvent.swift
[470/493] Compiling PJRTMetalHLO PJRTDevice.swift
/Users/admin/builder/spi-builder-workspace/Sources/PJRTMetalHLO/PJRTDevice.swift:279:9: warning: initialization of immutable value 'totalBytes' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
277 |
278 |     // Report recommended max working set size as total memory
279 |     let totalBytes = Int64(mtl.recommendedMaxWorkingSetSize)
    |         `- warning: initialization of immutable value 'totalBytes' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
280 |     args.pointee.bytes_in_use = 0 // Not easily tracked per-device in Metal
281 |     return nil
[471/493] Compiling PJRTMetalHLO PJRTClient.swift
[472/493] Compiling PJRTMetalHLO PJRTBuffer.swift
[473/493] Compiling PJRTMetalHLO PJRTApi.swift
[474/493] Emitting module PJRTMetalHLO
[475/493] Compiling PJRTMetalHLO OpaquePointerHelpers.swift
[476/493] Compiling PJRTMetalHLO PJRTExecutable.swift
[476/493] Write Objects.LinkFileList
[478/493] Compiling BenchmarkRunner main.swift
[479/493] Emitting module BenchmarkRunner
[479/493] Write Objects.LinkFileList
[481/493] Emitting module DepthAttentionBenchmark
[482/493] Compiling DepthAttentionBenchmark main.swift
/Users/admin/builder/spi-builder-workspace/Sources/DepthAttentionBenchmark/main.swift:341:17: warning: initialization of immutable value 'params' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
339 |         for i in 0..<numCalls {
340 |             let depth = i + 2
341 |             let params = DepthAttentionParams(batchSize: batchSize, depthDim: depth, hiddenDim: hiddenDim, scale: scale)
    |                 `- warning: initialization of immutable value 'params' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
342 |             let numSG = DepthAttentionKernel.optimalSimdgroups(hiddenDim: hiddenDim)
343 |             var gpuParams = GPUDepthAttentionParamsPublic(
/Users/admin/builder/spi-builder-workspace/Sources/DepthAttentionBenchmark/main.swift:410:9: warning: initialization of immutable value 'layersPerBlock' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
408 |     let numLayers = 12
409 |     let numBlocks = 8
410 |     let layersPerBlock = numLayers / numBlocks
    |         `- warning: initialization of immutable value 'layersPerBlock' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
411 |     let hiddenDim = 768
412 |     let scale: Float = 1.0 / sqrt(Float(hiddenDim))
/Users/admin/builder/spi-builder-workspace/Sources/DepthAttentionBenchmark/main.swift:420:13: warning: initialization of immutable value 'matmulElements' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
418 |     for batchSize in [1, 4, 8, 16, 32] {
419 |         let totalQ = batchSize * hiddenDim
420 |         let matmulElements = batchSize * hiddenDim * hiddenDim
    |             `- warning: initialization of immutable value 'matmulElements' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
421 |
422 |         // Allocate weight matrix and hidden state buffers
/Users/admin/builder/spi-builder-workspace/Sources/DepthAttentionBenchmark/main.swift:425:13: warning: initialization of immutable value 'weightBuf' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
423 |         var weightData = [Float](repeating: 0, count: hiddenDim * hiddenDim)
424 |         for i in 0..<weightData.count { weightData[i] = Float.random(in: -0.01...0.01) }
425 |         let weightBuf = device.makeBuffer(bytes: weightData, length: hiddenDim * hiddenDim * 4, options: .storageModeShared)!
    |             `- warning: initialization of immutable value 'weightBuf' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
426 |
427 |         var hData = [Float](repeating: 0, count: totalQ)
/Users/admin/builder/spi-builder-workspace/Sources/DepthAttentionBenchmark/main.swift:429:13: warning: initialization of immutable value 'hBuf' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
427 |         var hData = [Float](repeating: 0, count: totalQ)
428 |         for i in 0..<totalQ { hData[i] = Float.random(in: -0.5...0.5) }
429 |         let hBuf = device.makeBuffer(bytes: hData, length: totalQ * 4, options: .storageModeShared)!
    |             `- warning: initialization of immutable value 'hBuf' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
430 |         let outBuf = device.makeBuffer(length: totalQ * 4, options: .storageModeShared)!
431 |
/Users/admin/builder/spi-builder-workspace/Sources/DepthAttentionBenchmark/main.swift:430:13: warning: initialization of immutable value 'outBuf' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
428 |         for i in 0..<totalQ { hData[i] = Float.random(in: -0.5...0.5) }
429 |         let hBuf = device.makeBuffer(bytes: hData, length: totalQ * 4, options: .storageModeShared)!
430 |         let outBuf = device.makeBuffer(length: totalQ * 4, options: .storageModeShared)!
    |             `- warning: initialization of immutable value 'outBuf' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
431 |
432 |         // --- Standard path: 12 matmuls (simulate layer compute), no depth attention ---
[482/493] Write Objects.LinkFileList
[484/493] Compiling MLXBenchmarks MLXBenchmarks.swift
[485/493] Emitting module MLXBenchmarks
[485/493] Linking libPJRTMetalHLO.dylib
[486/495] Linking benchmark-runner
[487/495] Applying benchmark-runner
[488/495] Linking DepthAttentionBenchmark
[489/495] Applying DepthAttentionBenchmark
[491/495] Compiling MLXComparison main.swift
[492/495] Emitting module MLXComparison
[492/495] Write Objects.LinkFileList
[493/495] Linking mlx-comparison
[494/495] Applying mlx-comparison
Build complete! (67.11s)
Fetching https://github.com/ml-explore/mlx-swift
[1/17148] Fetching mlx-swift
Fetched https://github.com/ml-explore/mlx-swift from cache (2.09s)
Computing version for https://github.com/ml-explore/mlx-swift
Computed https://github.com/ml-explore/mlx-swift at 0.32.3 (2.74s)
Fetching https://github.com/apple/swift-numerics
[1/6756] Fetching swift-numerics
Fetched https://github.com/apple/swift-numerics from cache (1.23s)
Computing version for https://github.com/apple/swift-numerics
Computed https://github.com/apple/swift-numerics at 1.1.1 (1.81s)
Creating working copy for https://github.com/apple/swift-numerics
Working copy of https://github.com/apple/swift-numerics resolved at 1.1.1
Creating working copy for https://github.com/ml-explore/mlx-swift
Working copy of https://github.com/ml-explore/mlx-swift resolved at 0.32.3
Build complete.
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        "range" : [
          {
            "lower_bound" : "0.21.0",
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        "PartitionerTests.swift",
        "PassManagerTests.swift",
        "PatternCodegenTests.swift",
        "PermutationUtilsTests.swift",
        "ProfileGuidedOptimizationTests.swift",
        "QuantizationAwareTests.swift",
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        "ReduceTest.swift",
        "RematerializationTests.swift",
        "ReshapeViewLivenessTest.swift",
        "ScatterTest.swift",
        "SearchSortedTest.swift",
        "SharedIOSurfaceTests.swift",
        "SortTest.swift",
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        "Compiler/MPSGraphCompiler.swift",
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        "Compiler/NAXGemmBundle.swift",
        "Compiler/OpEmitter.swift",
        "Compiler/PassManager.swift",
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Done.