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|
{
lib,
stdenv,
buildPythonPackage,
fetchFromGitHub,
replaceVars,
# build-system
setuptools,
# nativeBuildInputs
cmake,
# buildInputs
apple-sdk,
fmt,
nanobind,
nlohmann_json,
pybind11,
# linux-only
openblas,
# tests
numpy,
pytestCheckHook,
python,
runCommand,
# passthru
mlx,
}:
let
# static dependencies included directly during compilation
gguf-tools = fetchFromGitHub {
owner = "antirez";
repo = "gguf-tools";
rev = "8fa6eb65236618e28fd7710a0fba565f7faa1848";
hash = "sha256-15FvyPOFqTOr5vdWQoPnZz+mYH919++EtghjozDlnSA=";
};
in
buildPythonPackage (finalAttrs: {
pname = "mlx";
version = "0.30.1";
pyproject = true;
src = fetchFromGitHub {
owner = "ml-explore";
repo = "mlx";
tag = "v${finalAttrs.version}";
hash = "sha256-Vt0RH+70VBwUjXSfPTsNdRS3g0ookJHhzf2kvgEtgH8=";
};
patches = lib.optionals stdenv.hostPlatform.isDarwin [
(replaceVars ./darwin-build-fixes.patch {
sdkVersion = apple-sdk.version;
})
];
postPatch = ''
substituteInPlace pyproject.toml \
--replace-fail "nanobind==2.10.2" "nanobind"
substituteInPlace mlx/backend/cpu/jit_compiler.cpp \
--replace-fail "g++" "${lib.getExe' stdenv.cc "c++"}"
'';
dontUseCmakeConfigure = true;
enableParallelBuilding = true;
# Allows multiple cores to be used in Python builds.
postUnpack = ''
export MAKEFLAGS+="''${enableParallelBuilding:+-j$NIX_BUILD_CORES}"
'';
# updates the wrong fetcher rev attribute
passthru.skipBulkUpdate = true;
env = {
DEV_RELEASE = 1;
CMAKE_ARGS = toString [
# NOTE The `metal` command-line utility used to build the Metal kernels is not open-source.
# To build mlx with Metal support in Nix, you'd need to use one of the sandbox escape
# hatches which let you interact with a native install of Xcode, such as `composeXcodeWrapper`
# or by changing the upstream (e.g., https://github.com/zed-industries/zed/discussions/7016).
(lib.cmakeBool "MLX_BUILD_METAL" false)
(lib.cmakeBool "USE_SYSTEM_FMT" true)
(lib.cmakeOptionType "filepath" "FETCHCONTENT_SOURCE_DIR_GGUFLIB" "${gguf-tools}")
(lib.cmakeOptionType "filepath" "FETCHCONTENT_SOURCE_DIR_JSON" "${nlohmann_json.src}")
];
};
build-system = [
setuptools
];
nativeBuildInputs = [
cmake
];
buildInputs = [
fmt
gguf-tools
nanobind
nlohmann_json
pybind11
]
++ lib.optionals stdenv.hostPlatform.isLinux [
openblas
];
pythonImportsCheck = [ "mlx" ];
# Run the mlx Python test suite.
nativeCheckInputs = [
numpy
pytestCheckHook
];
enabledTestPaths = [
"python/tests/"
];
disabledTests = lib.optionals (stdenv.hostPlatform.isLinux && stdenv.hostPlatform.isx86_64) [
# Segmentation fault
"test_lapack"
"test_multivariate_normal"
"test_orthogonal"
"test_vmap_inverse"
"test_vmap_svd"
];
disabledTestPaths = lib.optionals (stdenv.hostPlatform.isLinux && stdenv.hostPlatform.isx86_64) [
# Segmentation fault
"python/tests/test_linalg.py"
];
# patchelf is only available on Linux and no patching is needed on darwin.
# Otherwise mlx/core.cpython-313-x86_64-linux-gnu.so contains a reference to
# /build/source/build/temp.linux-x86_64-cpython-313/mlx.core/libmlx.so in its rpath.
postInstall = lib.optionalString stdenv.hostPlatform.isLinux ''
patchelf --replace-needed \
libmlx.so \
$out/${python.sitePackages}/mlx/lib64/libmlx.so \
$out/${python.sitePackages}/mlx/core.cpython-*.so
'';
# Additional testing by executing the example Python scripts supplied with mlx
# using the version of the library we've built.
passthru.tests = {
mlxTest =
runCommand "run-mlx-examples"
{
buildInputs = [ mlx ];
nativeBuildInputs = [ python ];
}
''
cp ${finalAttrs.src}/examples/python/logistic_regression.py .
${python.interpreter} logistic_regression.py
rm logistic_regression.py
cp ${finalAttrs.src}/examples/python/linear_regression.py .
${python.interpreter} linear_regression.py
rm linear_regression.py
touch $out
'';
};
meta = {
homepage = "https://github.com/ml-explore/mlx";
description = "Array framework for Apple silicon";
changelog = "https://github.com/ml-explore/mlx/releases/tag/${finalAttrs.src.tag}";
license = lib.licenses.mit;
maintainers = with lib.maintainers; [
Gabriella439
booxter
cameronyule
viraptor
];
badPlatforms = [
# Building for x86_64 on macOS is not supported
"x86_64-darwin"
];
};
})
|
