Swift Package IndexBuild Information
Successful build of mlx-libraries, reference main (fc3afc), with Swift 6.2 for macOS (SPM) on 12 Dec 2025 01:57:59 UTC.
Swift 6 data race errors: 0
Build Command
env DEVELOPER_DIR=/Applications/Xcode-26.0.0.app xcrun swift build --arch arm64Build Log
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RunAll
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Builder version: 4.68.0
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/ml-explore/mlx-swift-examples.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/ml-explore/mlx-swift-examples
* branch main -> FETCH_HEAD
* [new branch] main -> origin/main
HEAD is now at fc3afc7 Update LLMEval example (#452)
Cloned https://github.com/ml-explore/mlx-swift-examples.git
Revision (git rev-parse @):
fc3afc7cdbc4b6120d210c4c58c6b132ce346775
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/ml-explore/mlx-swift-examples.git at main
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ResolveProductDependencies
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Resolving dependencies ...
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warning: '.resolve-product-dependencies': dependency 'mlx-swift-examples' is not used by any target
Found 3 product dependencies
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========================================
Build
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Selected platform: macosSpm
Swift version: 6.2
Building package at path: $PWD
https://github.com/ml-explore/mlx-swift-examples.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.0.0.app xcrun swift build --arch arm64
Building for debugging...
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[312/336] Compiling string.cpp
[313/336] Compiling transforms_impl.cpp
[314/336] Compiling transforms.cpp
[315/336] Compiling stream.cpp
[316/336] Compiling vector.cpp
[317/336] Compiling random.cpp
[318/336] Compiling compiled_conditional.cpp
[319/336] Compiling ops.cpp
[320/336] Compiling memory.cpp
[321/336] Compiling io_types.cpp
[322/336] Compiling metal.cpp
[323/336] Compiling linalg.cpp
[324/336] Compiling map.cpp
[325/336] Compiling io.cpp
[326/336] Compiling error.cpp
[327/336] Compiling fft.cpp
[328/336] Compiling export.cpp
[329/336] Compiling fast.cpp
[330/336] Compiling device.cpp
[331/336] Compiling compile.cpp
[332/336] Compiling format.cc
[333/336] Compiling closure.cpp
[334/336] Compiling array.cpp
[335/336] Compiling binary.cpp
[337/367] Compiling MLX ArrayAt.swift
[338/367] Compiling MLX Cmlx+Util.swift
[339/367] Compiling MLX DType.swift
[340/367] Compiling MLX Device.swift
[341/370] Emitting module MLX
[342/370] Compiling MLX Transforms+Internal.swift
[343/370] Compiling MLX Transforms+Vmap.swift
[344/370] Compiling MLX Transforms.swift
[345/370] Compiling MLX Transforms+Compile.swift
[346/370] Compiling MLX Transforms+Eval.swift
[347/370] Compiling MLX Transforms+Grad.swift
[348/370] Compiling MLX Ops.swift
[349/370] Compiling MLX ParameterTypes.swift
[350/370] Compiling MLX Protocols.swift
[351/370] Compiling MLX ErrorHandler.swift
[352/370] Compiling MLX Export.swift
[353/370] Compiling MLX FFT.swift
[354/370] Compiling MLX Factory.swift
[355/370] Compiling MLX Foundation+Util.swift
[356/370] Compiling MLX GPU.swift
[357/370] Compiling MLX IO.swift
[358/370] Compiling MLX Linalg.swift
[359/370] Compiling MLX MLXArray+Ops.swift
/Users/admin/builder/spi-builder-workspace/.build/checkouts/mlx-swift/Source/Cmlx/include/mlx/c/array.h:325:1: note: built-in type 'Complex' not supported
323 | * Array must be evaluated, otherwise returns NULL.
324 | */
325 | const float _Complex* mlx_array_data_complex64(const mlx_array arr);
| `- note: built-in type 'Complex' not supported
326 |
327 | #ifdef HAS_FLOAT16
[360/370] Compiling MLX MLXArray.swift
/Users/admin/builder/spi-builder-workspace/.build/checkouts/mlx-swift/Source/Cmlx/include/mlx/c/array.h:325:1: note: built-in type 'Complex' not supported
323 | * Array must be evaluated, otherwise returns NULL.
324 | */
325 | const float _Complex* mlx_array_data_complex64(const mlx_array arr);
| `- note: built-in type 'Complex' not supported
326 |
327 | #ifdef HAS_FLOAT16
[361/370] Compiling MLX MLXFast.swift
/Users/admin/builder/spi-builder-workspace/.build/checkouts/mlx-swift/Source/Cmlx/include/mlx/c/array.h:325:1: note: built-in type 'Complex' not supported
323 | * Array must be evaluated, otherwise returns NULL.
324 | */
325 | const float _Complex* mlx_array_data_complex64(const mlx_array arr);
| `- note: built-in type 'Complex' not supported
326 |
327 | #ifdef HAS_FLOAT16
[362/370] Compiling MLX MLXFastKernel.swift
[363/370] Compiling MLX Nested.swift
[364/370] Compiling MLX Ops+Array.swift
[365/370] Compiling MLX Random.swift
[366/370] Compiling MLX State.swift
[367/370] Compiling MLX Stream.swift
[368/370] Compiling MLX MLXArray+Bytes.swift
[369/370] Compiling MLX MLXArray+Indexing.swift
[370/370] Compiling MLX MLXArray+Init.swift
[371/375] Emitting module MLXFast
[372/375] Compiling MLXFast MLXFast.swift
[373/375] Compiling MLXFast MLXFastKernel.swift
[374/375] Emitting module MLXRandom
[375/375] Compiling MLXRandom Random.swift
[376/393] Compiling MLXNN PositionalEncoding.swift
[377/393] Compiling MLXNN Quantized.swift
[378/393] Compiling MLXNN Normalization.swift
[379/393] Compiling MLXNN Pooling.swift
[380/393] Compiling MLXNN Recurrent.swift
[381/393] Compiling MLXNN Transformer.swift
[382/393] Compiling MLXNN Upsample.swift
[383/394] Compiling MLXNN ValueAndGrad.swift
[384/394] Compiling MLXNN Embedding.swift
[385/394] Compiling MLXNN Linear.swift
[386/394] Compiling MLXNN ConvolutionTransposed.swift
[387/394] Compiling MLXNN Dropout.swift
[388/394] Compiling MLXNN Containers.swift
[389/394] Compiling MLXNN Convolution.swift
[390/394] Compiling MLXNN Activations.swift
[391/394] Compiling MLXNN Cache.swift
[392/394] Emitting module MLXNN
[393/394] Compiling MLXNN Losses.swift
[394/394] Compiling MLXNN Module.swift
[395/406] Emitting module MLXOptimizers
[396/406] Compiling MLXOptimizers Optimizers.swift
[397/410] Compiling MLXMNIST MNIST.swift
[398/410] Compiling MLXMNIST Random.swift
[399/410] Emitting module MLXMNIST
[400/410] Compiling MLXMNIST Files.swift
[401/410] Compiling StableDiffusion VAE.swift
[402/410] Compiling StableDiffusion Sampler.swift
[403/410] Compiling StableDiffusion Tokenizer.swift
[404/410] Compiling StableDiffusion StableDiffusion.swift
[405/410] Compiling StableDiffusion Load.swift
[406/410] Compiling StableDiffusion UNet.swift
/Users/admin/builder/spi-builder-workspace/Libraries/StableDiffusion/UNet.swift:134:13: warning: initialization of immutable value 'dtype' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
132 | ) -> MLXArray {
133 | let inputX = x
134 | let dtype = x.dtype
| `- warning: initialization of immutable value 'dtype' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
135 | var x = x
136 |
/Users/admin/builder/spi-builder-workspace/Libraries/StableDiffusion/UNet.swift:196:13: warning: initialization of immutable value 'dtype' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
194 |
195 | func callAsFunction(_ x: MLXArray, timeEmbedding: MLXArray? = nil) -> MLXArray {
196 | let dtype = x.dtype
| `- warning: initialization of immutable value 'dtype' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
197 |
198 | var y = norm1(x)
/Users/admin/builder/spi-builder-workspace/Libraries/StableDiffusion/UNet.swift:503:13: warning: initialization of immutable value 'dtype' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
501 |
502 | // postprocess the output
503 | let dtype = x.dtype
| `- warning: initialization of immutable value 'dtype' was never used; consider replacing with assignment to '_' or removing it [#no-usage]
504 | x = convNormOut(x)
505 | x = silu(x)
[407/410] Compiling StableDiffusion Clip.swift
[408/410] Compiling StableDiffusion Configuration.swift
[409/410] Emitting module StableDiffusion
[410/410] Compiling StableDiffusion Image.swift
/Users/admin/builder/spi-builder-workspace/Libraries/StableDiffusion/Image.swift:135:20: warning: immutable value 'C' was never used; consider replacing with '_' or removing it [#no-usage]
133 |
134 | let arrayData = raster.asData()
135 | let (H, W, C) = raster.shape3
| `- warning: immutable value 'C' was never used; consider replacing with '_' or removing it [#no-usage]
136 | let cs = CGColorSpace(name: CGColorSpace.sRGB)!
137 |
Build complete! (35.90s)
Build complete.
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✅ Doc result (pending) reported
========================================
GenerateDocs
========================================
Generating docs at path: $PWD/.docs/ml-explore/mlx-swift-examples/main
Repository: ml-explore/mlx-swift-examples
Swift version used: 6.2
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Target: MLXLLM
Fetching https://github.com/apple/swift-docc-plugin
Updating https://github.com/1024jp/GzipSwift
Updated https://github.com/1024jp/GzipSwift (0.44s)
[1/2158] Fetching swift-docc-plugin
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Updating https://github.com/huggingface/swift-jinja.git
Fetched https://github.com/apple/swift-docc-plugin from cache (1.29s)
Updated https://github.com/apple/swift-collections.git (0.57s)
Updated https://github.com/apple/swift-numerics (0.57s)
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Updated https://github.com/huggingface/swift-transformers (0.57s)
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Computing version for https://github.com/1024jp/GzipSwift
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Computing version for https://github.com/huggingface/swift-transformers
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Computing version for https://github.com/ml-explore/mlx-swift
Computed https://github.com/ml-explore/mlx-swift at 0.29.1 (0.54s)
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Fetching https://github.com/swiftlang/swift-docc-symbolkit
[1/3594] Fetching swift-docc-symbolkit
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Computing version for https://github.com/swiftlang/swift-docc-symbolkit
Computed https://github.com/swiftlang/swift-docc-symbolkit at 1.0.0 (1.93s)
Creating working copy for https://github.com/swiftlang/swift-docc-symbolkit
Working copy of https://github.com/swiftlang/swift-docc-symbolkit resolved at 1.0.0
Creating working copy for https://github.com/apple/swift-docc-plugin
Working copy of https://github.com/apple/swift-docc-plugin resolved at 1.4.5
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[15/57] Emitting module SymbolKit
[16/57] Compiling SymbolKit Mixin+Equals.swift
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[51/57] Compiling SymbolKit UnifiedSymbolGraph.swift
[52/57] Compiling Snippets SnippetParser.swift
[53/57] Compiling Snippets Snippet.swift
[54/57] Emitting module Snippets
[55/61] Compiling snippet_extract SnippetBuildCommand.swift
[56/61] Emitting module snippet_extract
[57/61] Compiling snippet_extract URL+Status.swift
[58/61] Compiling snippet_extract SymbolGraph+Snippet.swift
[58/61] Write Objects.LinkFileList
[59/61] Linking snippet-extract-tool
[60/61] Applying snippet-extract-tool
Build of product 'snippet-extract' complete! (3.49s)
error: no target named 'MLXLLM'
compatible targets: 'MLXMNIST', 'StableDiffusion', 'MLX', 'MLXFast', 'MLXNN', 'MLXOptimizers', 'MLXRandom', 'Tokenizers', 'Generation', 'Models', 'Gzip'
Target: MLXVLM
Building for debugging...
[0/3] Write swift-version-49B95AFC49DCD68C.txt
Build of product 'snippet-extract' complete! (0.59s)
error: no target named 'MLXVLM'
compatible targets: 'MLXMNIST', 'StableDiffusion', 'MLX', 'MLXFast', 'MLXNN', 'MLXOptimizers', 'MLXRandom', 'Tokenizers', 'Generation', 'Models', 'Gzip'
Target: MLXLMCommon
Building for debugging...
[0/3] Write swift-version-49B95AFC49DCD68C.txt
Build of product 'snippet-extract' complete! (0.59s)
error: no target named 'MLXLMCommon'
compatible targets: 'MLXMNIST', 'StableDiffusion', 'MLX', 'MLXFast', 'MLXNN', 'MLXOptimizers', 'MLXRandom', 'Tokenizers', 'Generation', 'Models', 'Gzip'
Target: MLXMNIST
Extracting symbol information for 'MLXMNIST'...
Finished extracting symbol information for 'MLXMNIST'. (2.61s)
Building documentation for 'MLXMNIST'...
Finished building documentation for 'MLXMNIST' (0.13s)
Generated documentation archive at:
/Users/admin/builder/spi-builder-workspace/.docs/ml-explore/mlx-swift-examples/main
Building for debugging...
[0/3] Write swift-version-49B95AFC49DCD68C.txt
Build of product 'snippet-extract' complete! (0.60s)
Building for debugging...
[0/1] Write swift-version-49B95AFC49DCD68C.txt
Build of target: 'MLXMNIST' complete! (0.71s)
Target: MLXEmbedders
Building for debugging...
[0/3] Write swift-version-49B95AFC49DCD68C.txt
Build of product 'snippet-extract' complete! (0.62s)
error: no target named 'MLXEmbedders'
compatible targets: 'MLXMNIST', 'StableDiffusion', 'MLX', 'MLXFast', 'MLXNN', 'MLXOptimizers', 'MLXRandom', 'Tokenizers', 'Generation', 'Models', 'Gzip'
Target: StableDiffusion
Extracting symbol information for 'StableDiffusion'...
Finished extracting symbol information for 'StableDiffusion'. (1.36s)
Building documentation for 'StableDiffusion'...
warning: 'setConservativeMemory(_:)' doesn't exist at '/StableDiffusion/ModelContainer/performTwoStage(first:second:)'
--> Libraries/StableDiffusion/StableDiffusion.swift:180:14-180:39
178 | /// Perform a two stage action where the first stage returns values passed to the second stage.
179 | ///
180 + /// If ``setConservativeMemory(_:)`` is `true` this will discard the model in between
181 | /// the `first` and `second` blocks. The container will have to be recreated if a caller
182 | /// wants to use it again.
Finished building documentation for 'StableDiffusion' (0.12s)
Generated documentation archive at:
/Users/admin/builder/spi-builder-workspace/.docs/ml-explore/mlx-swift-examples/main
Building for debugging...
[0/3] Write swift-version-49B95AFC49DCD68C.txt
Build of product 'snippet-extract' complete! (0.55s)
Building for debugging...
[0/1] Write swift-version-49B95AFC49DCD68C.txt
Build of target: 'StableDiffusion' complete! (0.62s)
Successfully merged into /Users/admin/builder/spi-builder-workspace/.docs-staging/ml-explore/mlx-swift-examples/main/index/index.json
Successfully merged into /Users/admin/builder/spi-builder-workspace/.docs-staging/ml-explore/mlx-swift-examples/main/linkable-paths.json
402
4 /Users/admin/builder/spi-builder-workspace/.docs/ml-explore/mlx-swift-examples/main
✅ Doc result (uploading) reported
========================================
SyncDocs
========================================
Doc archive source directory: $PWD/.docs/ml-explore/mlx-swift-examples/main
File count: 402
Doc size: 4.0MB
Preparing doc bundle ...
Uploading prod-ml-explore-mlx-swift-examples-main-c1e30b0b.zip to s3://spi-docs-inbox/prod-ml-explore-mlx-swift-examples-main-c1e30b0b.zip
Copying... [18%]
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Done.