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# For the moment we only support the CPU and GPU backends of jaxlib. The TPU
# backend will require some additional work. Those wheels are located here:
# https://storage.googleapis.com/jax-releases/libtpu_releases.html.
# See `python3Packages.jax.passthru` for CUDA tests.
{
absl-py,
autoAddDriverRunpath,
autoPatchelfHook,
buildPythonPackage,
config,
fetchPypi,
fetchurl,
flatbuffers,
jaxlib-build,
lib,
ml-dtypes,
python,
scipy,
stdenv,
# Options:
cudaSupport ? config.cudaSupport,
cudaPackages,
}:
let
inherit (cudaPackages) cudaVersion;
version = "0.4.28";
inherit (python) pythonVersion;
cudaLibPath = lib.makeLibraryPath (
with cudaPackages;
[
(lib.getLib cuda_cudart) # libcudart.so
(lib.getLib cuda_cupti) # libcupti.so
(lib.getLib cudnn) # libcudnn.so
(lib.getLib libcufft) # libcufft.so
(lib.getLib libcusolver) # libcusolver.so
(lib.getLib libcusparse) # libcusparse.so
]
);
# As of 2023-06-06, google/jax upstream is no longer publishing CPU-only wheels to their GCS bucket. Instead the
# official instructions recommend installing CPU-only versions via PyPI.
cpuSrcs =
let
getSrcFromPypi =
{
platform,
dist,
hash,
}:
fetchPypi {
inherit
version
platform
dist
hash
;
pname = "jaxlib";
format = "wheel";
# See the `disabled` attr comment below.
python = dist;
abi = dist;
};
in
{
"3.9-x86_64-linux" = getSrcFromPypi {
platform = "manylinux2014_x86_64";
dist = "cp39";
hash = "sha256-Slbr8FtKTBeRaZ2HTgcvP4CPCYa0AQsU+1SaackMqdw=";
};
"3.9-aarch64-darwin" = getSrcFromPypi {
platform = "macosx_11_0_arm64";
dist = "cp39";
hash = "sha256-sBVi7IrXVxm30DiXUkiel+trTctMjBE75JFjTVKCrTw=";
};
"3.9-x86_64-darwin" = getSrcFromPypi {
platform = "macosx_10_14_x86_64";
dist = "cp39";
hash = "sha256-T5jMg3srbG3P4Kt/+esQkxSSCUYRmqOvn6oTlxj/J4c=";
};
"3.10-x86_64-linux" = getSrcFromPypi {
platform = "manylinux2014_x86_64";
dist = "cp310";
hash = "sha256-47zcb45g+FVPQVwU2TATTmAuPKM8OOVGJ0/VRfh1dps=";
};
"3.10-aarch64-darwin" = getSrcFromPypi {
platform = "macosx_11_0_arm64";
dist = "cp310";
hash = "sha256-8Djmi9ENGjVUcisLvjbmpEg4RDenWqnSg/aW8O2fjAk=";
};
"3.10-x86_64-darwin" = getSrcFromPypi {
platform = "macosx_10_14_x86_64";
dist = "cp310";
hash = "sha256-pCHSN/jCXShQFm0zRgPGc925tsJvUrxJZwS4eCKXvWY=";
};
"3.11-x86_64-linux" = getSrcFromPypi {
platform = "manylinux2014_x86_64";
dist = "cp311";
hash = "sha256-Rc4PPIQM/4I2z/JsN/Jsn/B4aV+T4MFiwyDCgfUEEnU=";
};
"3.11-aarch64-darwin" = getSrcFromPypi {
platform = "macosx_11_0_arm64";
dist = "cp311";
hash = "sha256-eThX+vN/Nxyv51L+pfyBH0NeQ7j7S1AgWERKf17M+Ck=";
};
"3.11-x86_64-darwin" = getSrcFromPypi {
platform = "macosx_10_14_x86_64";
dist = "cp311";
hash = "sha256-L/gpDtx7ksfq5SUX9lSSYz4mey6QZ7rT5MMj0hPnfPU=";
};
"3.12-x86_64-linux" = getSrcFromPypi {
platform = "manylinux2014_x86_64";
dist = "cp312";
hash = "sha256-RqGqhX9P7uikP8upXA4Kti1AwmzJcwtsaWVZCLo1n40=";
};
"3.12-aarch64-darwin" = getSrcFromPypi {
platform = "macosx_11_0_arm64";
dist = "cp312";
hash = "sha256-jdi//jhTcC9jzZJNoO4lc0pNGc1ckmvgM9dyun0cF10=";
};
"3.12-x86_64-darwin" = getSrcFromPypi {
platform = "macosx_10_14_x86_64";
dist = "cp312";
hash = "sha256-1sCaVFMpciRhrwVuc1FG0sjHTCKsdCaoRetp8ya096A=";
};
};
# Note that the prebuilt jaxlib binary requires specific version of CUDA to
# work. The cuda12 jaxlib binaries only works with CUDA 12.2, and cuda11
# jaxlib binaries only works with CUDA 11.8. This is why we need to find a
# binary that matches the provided cudaVersion.
gpuSrcVersionString = "cuda${cudaVersion}-${pythonVersion}";
# Find new releases at https://storage.googleapis.com/jax-releases
# When upgrading, you can get these hashes from prefetch.sh. See
# https://github.com/google/jax/issues/12879 as to why this specific URL is the correct index.
gpuSrcs = {
"cuda12.2-3.9" = fetchurl {
url = "https://storage.googleapis.com/jax-releases/cuda12/jaxlib-${version}+cuda12.cudnn89-cp39-cp39-manylinux2014_x86_64.whl";
hash = "sha256-d8LIl22gIvmWfoyKfXKElZJXicPQIZxdS4HumhwQGCw=";
};
"cuda12.2-3.10" = fetchurl {
url = "https://storage.googleapis.com/jax-releases/cuda12/jaxlib-${version}+cuda12.cudnn89-cp310-cp310-manylinux2014_x86_64.whl";
hash = "sha256-PXtWv+UEcMWF8LhWe6Z1UGkf14PG3dkJ0Iop0LiimnQ=";
};
"cuda12.2-3.11" = fetchurl {
url = "https://storage.googleapis.com/jax-releases/cuda12/jaxlib-${version}+cuda12.cudnn89-cp311-cp311-manylinux2014_x86_64.whl";
hash = "sha256-QO2WSOzmJ48VaCha596mELiOfPsAGLpGctmdzcCHE/o=";
};
"cuda12.2-3.12" = fetchurl {
url = "https://storage.googleapis.com/jax-releases/cuda12/jaxlib-${version}+cuda12.cudnn89-cp312-cp312-manylinux2014_x86_64.whl";
hash = "sha256-ixWMaIChy4Ammsn23/3cCoala0lFibuUxyUr3tjfFKU=";
};
};
in
buildPythonPackage {
pname = "jaxlib";
inherit version;
format = "wheel";
disabled =
!(
pythonVersion == "3.9"
|| pythonVersion == "3.10"
|| pythonVersion == "3.11"
|| pythonVersion == "3.12"
);
# See https://discourse.nixos.org/t/ofborg-does-not-respect-meta-platforms/27019/6.
src =
if !cudaSupport then
(cpuSrcs."${pythonVersion}-${stdenv.hostPlatform.system}"
or (throw "jaxlib-bin is not supported on ${stdenv.hostPlatform.system}")
)
else
gpuSrcs."${gpuSrcVersionString}";
# Prebuilt wheels are dynamically linked against things that nix can't find.
# Run `autoPatchelfHook` to automagically fix them.
nativeBuildInputs =
lib.optionals stdenv.isLinux [ autoPatchelfHook ]
++ lib.optionals cudaSupport [ autoAddDriverRunpath ];
# Dynamic link dependencies
buildInputs = [ stdenv.cc.cc.lib ];
# jaxlib contains shared libraries that open other shared libraries via dlopen
# and these implicit dependencies are not recognized by ldd or
# autoPatchelfHook. That means we need to sneak them into rpath. This step
# must be done after autoPatchelfHook and the automatic stripping of
# artifacts. autoPatchelfHook runs in postFixup and auto-stripping runs in the
# patchPhase.
preInstallCheck = lib.optional cudaSupport ''
shopt -s globstar
for file in $out/**/*.so; do
patchelf --add-rpath "${cudaLibPath}" "$file"
done
'';
propagatedBuildInputs = [
absl-py
flatbuffers
ml-dtypes
scipy
];
# jaxlib looks for ptxas at runtime, eg when running `jax.random.PRNGKey(0)`.
# Linking into $out is the least bad solution. See
# * https://github.com/NixOS/nixpkgs/pull/164176#discussion_r828801621
# * https://github.com/NixOS/nixpkgs/pull/288829#discussion_r1493852211
# for more info.
postInstall = lib.optional cudaSupport ''
mkdir -p $out/${python.sitePackages}/jaxlib/cuda/bin
ln -s ${lib.getExe' cudaPackages.cuda_nvcc "ptxas"} $out/${python.sitePackages}/jaxlib/cuda/bin/ptxas
'';
inherit (jaxlib-build) pythonImportsCheck;
meta = with lib; {
description = "Prebuilt jaxlib backend from PyPi";
homepage = "https://github.com/google/jax";
sourceProvenance = with sourceTypes; [ binaryNativeCode ];
license = licenses.asl20;
maintainers = with maintainers; [ samuela ];
platforms = [
"aarch64-darwin"
"x86_64-linux"
"x86_64-darwin"
];
broken =
!(cudaSupport -> lib.versionAtLeast cudaVersion "11.1")
|| !(cudaSupport -> lib.versionAtLeast cudaPackages.cudnn.version "8.2")
|| !(cudaSupport -> stdenv.isLinux)
|| !(cudaSupport -> (gpuSrcs ? "cuda${cudaVersion}-${pythonVersion}"))
# Fails at pythonImportsCheckPhase:
# ...-python-imports-check-hook.sh/nix-support/setup-hook: line 10: 28017 Illegal instruction: 4
# /nix/store/5qpssbvkzfh73xih07xgmpkj5r565975-python3-3.11.9/bin/python3.11 -c
# 'import os; import importlib; list(map(lambda mod: importlib.import_module(mod), os.environ["pythonImportsCheck"].split()))'
|| (stdenv.isDarwin && stdenv.isx86_64);
};
}
|