217 lines
7.9 KiB
Nix
217 lines
7.9 KiB
Nix
# For the moment we only support the CPU and GPU backends of jaxlib. The TPU
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# backend will require some additional work. Those wheels are located here:
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# https://storage.googleapis.com/jax-releases/libtpu_releases.html.
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# For future reference, the easiest way to test the GPU backend is to run
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# NIX_PATH=.. nix-shell -p python3 python3Packages.jax "python3Packages.jaxlib-bin.override { cudaSupport = true; }"
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# export XLA_FLAGS=--xla_gpu_force_compilation_parallelism=1
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# python -c "from jax.lib import xla_bridge; assert xla_bridge.get_backend().platform == 'gpu'"
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# python -c "from jax import random; random.PRNGKey(0)"
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# python -c "from jax import random; x = random.normal(random.PRNGKey(0), (100, 100)); x @ x"
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# There's no convenient way to test the GPU backend in the derivation since the
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# nix build environment blocks access to the GPU. See also:
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# * https://github.com/google/jax/issues/971#issuecomment-508216439
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# * https://github.com/google/jax/issues/5723#issuecomment-913038780
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{ absl-py
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, addOpenGLRunpath
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, autoPatchelfHook
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, buildPythonPackage
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, config
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, fetchPypi
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, fetchurl
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, flatbuffers
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, jaxlib-build
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, lib
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, ml-dtypes
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, python
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, scipy
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, stdenv
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# Options:
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, cudaSupport ? config.cudaSupport
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, cudaPackages ? {}
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}:
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let
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inherit (cudaPackages) cudatoolkit cudnn;
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in
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assert cudaSupport -> lib.versionAtLeast cudatoolkit.version "11.1" && lib.versionAtLeast cudnn.version "8.2" && stdenv.isLinux;
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let
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version = "0.4.20";
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inherit (python) pythonVersion;
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# As of 2023-06-06, google/jax upstream is no longer publishing CPU-only wheels to their GCS bucket. Instead the
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# official instructions recommend installing CPU-only versions via PyPI.
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cpuSrcs =
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let
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getSrcFromPypi = { platform, dist, hash }: fetchPypi {
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inherit version platform dist hash;
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pname = "jaxlib";
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format = "wheel";
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# See the `disabled` attr comment below.
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python = dist;
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abi = dist;
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};
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in
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{
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"3.9-x86_64-linux" = getSrcFromPypi {
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platform = "manylinux2014_x86_64";
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dist = "cp39";
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hash = "sha256-eIE+rz5x5BEkO85zncIWE8p/wDPxV8bnVJdHiknS998=";
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};
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"3.9-aarch64-darwin" = getSrcFromPypi {
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platform = "macosx_11_0_arm64";
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dist = "cp39";
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hash = "sha256-dxInv8/aQiHsN7DpScuZao2ZyHDjF0AaTqUDA0qqg/M=";
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};
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"3.9-x86_64-darwin" = getSrcFromPypi {
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platform = "macosx_10_14_x86_64";
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dist = "cp39";
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hash = "sha256-wva6LkSokEHN+WQLCancVC7YBIxfImPsQpB1LzFcyqM=";
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};
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"3.10-x86_64-linux" = getSrcFromPypi {
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platform = "manylinux2014_x86_64";
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dist = "cp310";
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hash = "sha256-Yo2TYnkIelyy4vb5+nC/yY8SjV34i/jJvCe/VRQppmo=";
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};
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"3.10-aarch64-darwin" = getSrcFromPypi {
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platform = "macosx_11_0_arm64";
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dist = "cp310";
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hash = "sha256-ufA/ACE4s4R/Fiq5SN7T44SVEN1Z5OfkJ/98lKxRFmo=";
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};
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"3.10-x86_64-darwin" = getSrcFromPypi {
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platform = "macosx_10_14_x86_64";
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dist = "cp310";
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hash = "sha256-hBSrYQyOGMn0BexRWQKYnJdEYYlzHUWuWGHmjVT10TE=";
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};
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"3.11-x86_64-linux" = getSrcFromPypi {
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platform = "manylinux2014_x86_64";
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dist = "cp311";
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hash = "sha256-5N0nghTBrsa7d8kt8hZC2ghqlxCNC7U8ApD0PG7DHn8=";
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};
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"3.11-aarch64-darwin" = getSrcFromPypi {
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platform = "macosx_11_0_arm64";
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dist = "cp311";
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hash = "sha256-j13Br64cKe0hFh/cMBbOMuTXqauAvSKE+KzEmN7U6RA=";
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};
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"3.11-x86_64-darwin" = getSrcFromPypi {
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platform = "macosx_10_14_x86_64";
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dist = "cp311";
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hash = "sha256-nTnyawU4Ngq9VTE6oDuEfR6iJPRy+E/VLt98cU6eW4M=";
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};
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"3.12-x86_64-linux" = getSrcFromPypi {
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platform = "manylinux2014_x86_64";
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dist = "cp312";
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hash = "sha256-qPMoa7cso7DRBWuCJQoiOEzLPL3m76MPZZMYmZUj400=";
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};
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"3.12-aarch64-darwin" = getSrcFromPypi {
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platform = "macosx_11_0_arm64";
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dist = "cp312";
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hash = "sha256-VqTC5egDHaDIvwVa3sAc9Sdtd0CwEFcXjDU/i54h844=";
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};
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"3.12-x86_64-darwin" = getSrcFromPypi {
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platform = "macosx_10_14_x86_64";
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dist = "cp312";
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hash = "sha256-1F98Je2rMJJKrksI/EVAsX9n+dOpmDehUeAaMq/BY7o=";
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};
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};
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# Find new releases at https://storage.googleapis.com/jax-releases/jax_releases.html.
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# When upgrading, you can get these hashes from prefetch.sh. See
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# https://github.com/google/jax/issues/12879 as to why this specific URL is the correct index.
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gpuSrcs = {
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"3.9" = fetchurl {
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url = "https://storage.googleapis.com/jax-releases/cuda12/jaxlib-${version}+cuda12.cudnn89-cp39-cp39-manylinux2014_x86_64.whl";
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hash = "sha256-VM2HuyMnG+hzrsTQEB5KJpqpBXyyp+eV1LVxmY1ZCGU=";
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};
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"3.10" = fetchurl {
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url = "https://storage.googleapis.com/jax-releases/cuda12/jaxlib-${version}+cuda12.cudnn89-cp310-cp310-manylinux2014_x86_64.whl";
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hash = "sha256-TLq3z3T2fjTcO3ESahboKG33mrOpjtj9C92f4d4nJKo=";
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};
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"3.11" = fetchurl {
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url = "https://storage.googleapis.com/jax-releases/cuda12/jaxlib-${version}+cuda12.cudnn89-cp311-cp311-manylinux2014_x86_64.whl";
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hash = "sha256-CUXwyJq0HOo2j3Sw+NguBCnFkDuJpc3wfZUc90yyhOY=";
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};
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"3.12" = fetchurl {
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url = "https://storage.googleapis.com/jax-releases/cuda12/jaxlib-${version}+cuda12.cudnn89-cp312-cp312-manylinux2014_x86_64.whl";
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hash = "sha256-bAR8FLtiqufU+rL2a1q9c61CjH1eXxGTNGnDUkHlDBA=";
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};
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};
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in
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buildPythonPackage {
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pname = "jaxlib";
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inherit version;
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format = "wheel";
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disabled = !(pythonVersion == "3.9" || pythonVersion == "3.10" || pythonVersion == "3.11" || pythonVersion == "3.12");
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# See https://discourse.nixos.org/t/ofborg-does-not-respect-meta-platforms/27019/6.
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src =
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if !cudaSupport then
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(
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cpuSrcs."${pythonVersion}-${stdenv.hostPlatform.system}"
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or (throw "jaxlib-bin is not supported on ${stdenv.hostPlatform.system}")
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) else gpuSrcs."${pythonVersion}";
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# Prebuilt wheels are dynamically linked against things that nix can't find.
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# Run `autoPatchelfHook` to automagically fix them.
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nativeBuildInputs = lib.optionals stdenv.isLinux [ autoPatchelfHook ]
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++ lib.optionals cudaSupport [ addOpenGLRunpath ];
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# Dynamic link dependencies
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buildInputs = [ stdenv.cc.cc.lib ];
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# jaxlib contains shared libraries that open other shared libraries via dlopen
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# and these implicit dependencies are not recognized by ldd or
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# autoPatchelfHook. That means we need to sneak them into rpath. This step
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# must be done after autoPatchelfHook and the automatic stripping of
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# artifacts. autoPatchelfHook runs in postFixup and auto-stripping runs in the
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# patchPhase. Dependencies:
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# * libcudart.so.11.0 -> cudatoolkit_11.lib
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# * libcublas.so.11 -> cudatoolkit_11
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# * libcuda.so.1 -> opengl driver in /run/opengl-driver/lib
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preInstallCheck = lib.optional cudaSupport ''
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shopt -s globstar
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addOpenGLRunpath $out/**/*.so
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for file in $out/**/*.so; do
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rpath=$(patchelf --print-rpath $file)
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# For some reason `makeLibraryPath` on `cudatoolkit_11` maps to
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# <cudatoolkit_11.lib>/lib which is different from <cudatoolkit_11>/lib.
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patchelf --set-rpath "$rpath:${cudatoolkit}/lib:${lib.makeLibraryPath [ cudatoolkit.lib cudnn ]}" $file
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done
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'';
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propagatedBuildInputs = [
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absl-py
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flatbuffers
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ml-dtypes
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scipy
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];
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# Note that cudatoolkit is snecessary since jaxlib looks for "ptxas" in $PATH.
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# See https://github.com/NixOS/nixpkgs/pull/164176#discussion_r828801621 for
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# more info.
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postInstall = lib.optional cudaSupport ''
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mkdir -p $out/bin
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ln -s ${cudatoolkit}/bin/ptxas $out/bin/ptxas
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'';
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inherit (jaxlib-build) pythonImportsCheck;
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meta = with lib; {
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description = "XLA library for JAX";
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homepage = "https://github.com/google/jax";
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sourceProvenance = with sourceTypes; [ binaryNativeCode ];
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license = licenses.asl20;
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maintainers = with maintainers; [ samuela ];
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platforms = [ "aarch64-darwin" "x86_64-linux" "x86_64-darwin" ];
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};
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}
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