Build Information
Successful build of swift-differentiation, reference 3.1.0 (1361b9), with Swift 6.2 for macOS (SPM) on 3 Sep 2026 00:09:00 UTC.
Swift 6 data race errors: 0
Build Command
env DEVELOPER_DIR=/Applications/Xcode-26.3.0.app xcrun swift build --arch arm64Build Log
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RunAll
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Builder version: 5.0.2
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/differentiable-swift/swift-differentiation.git
Reference: 3.1.0
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/differentiable-swift/swift-differentiation
* tag 3.1.0 -> FETCH_HEAD
HEAD is now at 1361b9b fix: improve performance by directly implementing DifferentiableView.base methods instead of through protocol witnesses.
Cloned https://github.com/differentiable-swift/swift-differentiation.git
Revision (git rev-parse @):
1361b9b2efac345e082242179f6634fcc9ea17cc
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/differentiable-swift/swift-differentiation.git at 3.1.0
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Build
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Selected platform: macosSpm
Swift version: 6.2
Building package at path: $PWD
https://github.com/differentiable-swift/swift-differentiation.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.3.0.app xcrun swift build --arch arm64
Building for debugging...
[0/3] Copying libswift_Differentiation.dylib
[1/3] Write sources
[2/3] Write swift-version--3CB7CFEC50E0D141.txt
[4/81] Compiling Differentiation Array+Gather.swift
[5/81] Compiling Differentiation Array+Insert.swift
[6/81] Compiling Differentiation Array+ScatteringAdd.swift
[7/81] Compiling Differentiation Array+CTA.swift
[8/81] Compiling Differentiation Array+CTASlice.swift
[9/81] Compiling Differentiation ArraySlice+CTA.swift
[10/81] Compiling Differentiation ArraySlice+CTASlice.swift
[11/81] Compiling Differentiation ContiguousArray+CTA.swift
[12/81] Compiling Differentiation ContiguousArray+CTASlice.swift
[13/89] Compiling Differentiation ZipWithInout+Arity13.swift
[14/89] Compiling Differentiation ZipWithInout+Arity14.swift
[15/89] Compiling Differentiation ZipWithInout+Arity2.swift
[16/89] Compiling Differentiation ZipWithInout+Arity3.swift
[17/89] Compiling Differentiation ZipWithInout+Arity4.swift
[18/89] Compiling Differentiation ZipWithInout+Arity5.swift
[19/89] Compiling Differentiation ZipWithInout+Arity6.swift
[20/89] Compiling Differentiation ZipWithInout+Arity7.swift
[21/89] Compiling Differentiation ZipSequence+Arity9.swift
[22/89] Compiling Differentiation ZipWith+Arity10.swift
[23/89] Compiling Differentiation ZipWith+Arity11.swift
[24/89] Compiling Differentiation ZipWith+Arity12.swift
[25/89] Compiling Differentiation ZipWith+Arity13.swift
[26/89] Compiling Differentiation ZipWith+Arity14.swift
[27/89] Compiling Differentiation ZipWith+Arity2.swift
[28/89] Compiling Differentiation ZipWith+Arity3.swift
[29/89] Compiling Differentiation ZipWith+Arity4.swift
[30/89] Compiling Differentiation ZipWith+Arity5.swift
[31/89] Compiling Differentiation ZipWith+Arity6.swift
[32/89] Compiling Differentiation ZipWith+Arity7.swift
[33/89] Compiling Differentiation ZipWith+Arity8.swift
[34/89] Compiling Differentiation ZipWith+Arity9.swift
[35/89] Compiling Differentiation ZipWithInout+Arity10.swift
[36/89] Compiling Differentiation ZipWithInout+Arity11.swift
[37/89] Compiling Differentiation ZipWithInout+Arity12.swift
[38/89] Compiling Differentiation ArraySliceDifferentiableView.swift
[39/89] Compiling Differentiation ContiguousArray+Differentiable.swift
[40/89] Compiling Differentiation ContiguousArray+DifferentiableMethods.swift
[41/89] Compiling Differentiation ContiguousArrayDifferentiableView+Collection.swift
[42/89] Compiling Differentiation ContiguousArrayDifferentiableView.swift
[43/89] Compiling Differentiation ValueWithPullbackOverloads.swift
[44/89] Compiling Differentiation ZipSequence+Arity10.swift
[45/89] Compiling Differentiation ZipSequence+Arity11.swift
[46/89] Compiling Differentiation ZipSequence+Arity12.swift
[47/89] Compiling Differentiation ZipSequence+Arity13.swift
[48/89] Compiling Differentiation ZipSequence+Arity14.swift
[49/89] Compiling Differentiation ZipSequence+Arity2.swift
[50/89] Compiling Differentiation ZipSequence+Arity3.swift
[51/89] Compiling Differentiation ZipSequence+Arity4.swift
[52/89] Compiling Differentiation ZipSequence+Arity5.swift
[53/89] Compiling Differentiation ZipSequence+Arity6.swift
[54/89] Compiling Differentiation ZipSequence+Arity7.swift
[55/89] Compiling Differentiation ZipSequence+Arity8.swift
[56/89] Compiling Differentiation ZipWithInout+Arity8.swift
[57/89] Compiling Differentiation ZipWithInout+Arity9.swift
[58/89] Compiling Differentiation Differentiation.swift
[59/89] Compiling Differentiation Foundation+VJPs.swift
[60/89] Compiling Differentiation InlineArray+AD.swift
[61/89] Compiling Differentiation InlineArray+Differentiation.swift
[62/89] Compiling Differentiation Optional+DifferentiableMap.swift
[63/89] Compiling Differentiation Repeated+Differentiable.swift
[64/89] Compiling Differentiation DerivativesOfNativeFunctions.swift
[65/89] Compiling Differentiation Dictionary+AD.swift
[66/89] Compiling Differentiation Dictionary+Differentiation.swift
[67/89] Compiling Differentiation DifferentiableCollection.swift
[68/89] Compiling Differentiation Array+DifferentiableMethods.swift
[69/89] Compiling Differentiation ArrayDifferentiableView+Collection.swift
[70/89] Compiling Differentiation ArraySlice+Differentiable.swift
[71/89] Compiling Differentiation ArraySlice+DifferentiableMethods.swift
[72/89] Compiling Differentiation ArraySliceDifferentiableView+Collection.swift
[73/89] Compiling Differentiation RunWithoutDerivative.swift
[74/89] Compiling Differentiation SIMD16+DoubleSTDLibOverloads.swift
[75/89] Compiling Differentiation SIMD16+FloatSTDLibOverloads.swift
[76/89] Compiling Differentiation SIMD2+DoubleSTDLibOverloads.swift
[77/89] Compiling Differentiation SIMD2+FloatSTDLibOverloads.swift
[78/89] Compiling Differentiation SIMD3+DoubleSTDLibOverloads.swift
[79/89] Compiling Differentiation SIMD3+FloatSTDLibOverloads.swift
[80/89] Compiling Differentiation SIMD32+DoubleSTDLibOverloads.swift
[81/89] Emitting module Differentiation
[82/89] Compiling Differentiation SIMD32+FloatSTDLibOverloads.swift
[83/89] Compiling Differentiation SIMD4+DoubleSTDLibOverloads.swift
[84/89] Compiling Differentiation SIMD4+FloatSTDLibOverloads.swift
[85/89] Compiling Differentiation SIMD64+DoubleSTDLibOverloads.swift
[86/89] Compiling Differentiation SIMD64+FloatSTDLibOverloads.swift
[87/89] Compiling Differentiation SIMD8+DoubleSTDLibOverloads.swift
[88/89] Compiling Differentiation SIMD8+FloatSTDLibOverloads.swift
[89/89] Compiling Differentiation Sequence+MinMaxVJPs.swift
Build complete! (15.88s)
Fetching https://github.com/differentiable-swift/swift-differentiation-stdlib.git
[1/324] Fetching swift-differentiation-stdlib
Fetched https://github.com/differentiable-swift/swift-differentiation-stdlib.git from cache (2.12s)
Computing version for https://github.com/differentiable-swift/swift-differentiation-stdlib.git
Computed https://github.com/differentiable-swift/swift-differentiation-stdlib.git at 602.0.1 (2.68s)
Creating working copy for https://github.com/differentiable-swift/swift-differentiation-stdlib.git
Working copy of https://github.com/differentiable-swift/swift-differentiation-stdlib.git resolved at 602.0.1
Build complete.
{
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Done.