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{
lib,
buildPythonPackage,
fetchFromGitHub,
cudaPackages,
replaceVars,
addDriverRunpath,
# build-system
cython,
pyclibrary,
setuptools,
setuptools-scm,
# env
symlinkJoin,
# dependencies
numpy,
# tests
cuda-pathfinder,
pytest-benchmark,
pytestCheckHook,
util-linux,
# passthru
cuda-bindings,
}:
let
cudaVersion = cudaPackages.cudaMajorMinorVersion;
versionSpecificAttrs =
let
args = {
inherit replaceVars;
cudaLibPaths = {
libcudart = lib.getLib cudaPackages.cuda_cudart;
libcufile = lib.getLib cudaPackages.libcufile;
libnvfatbin = lib.getLib cudaPackages.libnvfatbin;
libnvjitlink = lib.getLib cudaPackages.libnvjitlink;
libnvml = addDriverRunpath.driverLink;
libnvrtc = lib.getLib cudaPackages.cuda_nvrtc;
libnvvm =
if cudaOlder "13.0" then "${cudaPackages.cuda_nvcc}/nvvm" else lib.getLib cudaPackages.libnvvm;
};
};
in
{
# cuda-bindings patch versions DO NOT correspond to cuda toolkits' own path versions.
# Only major.minor is supposed to match
"12.9" = import ./12_9.nix args;
"13.0" = import ./13_0.nix args;
"13.1" = import ./13_1.nix args;
"13.2" = import ./13_2.nix args;
}
.${cudaVersion} or (throw "Unsupported cuda-bindings version: ${cudaVersion}");
inherit (cudaPackages) cudaOlder cudaAtLeast;
in
buildPythonPackage (finalAttrs: {
pname = "cuda-bindings";
inherit (versionSpecificAttrs) version;
pyproject = true;
__structuredAttrs = true;
src = fetchFromGitHub {
owner = "NVIDIA";
repo = "cuda-python";
tag = "v${finalAttrs.version}";
hash = versionSpecificAttrs.sourceHash;
};
# Apply patch relative to cuda_bindings
patchFlags = [ "-p2" ];
patches = [
versionSpecificAttrs.nvidiaLibsPatch
];
sourceRoot = "${finalAttrs.src.name}/cuda_bindings";
postPatch =
let
libCudaPath =
# Use cuda_compat to provide libcuda.so on pre-Thor Jetsons
if (cudaPackages.cuda_compat.meta.available or false) then
cudaPackages.cuda_compat
# Else, use the host CUDA driver library
else
addDriverRunpath.driverLink;
in
''
substituteInPlace cuda/bindings/_internal/nvjitlink_linux.pyx \
--replace-fail \
"handle = dlopen('libcuda.so.1'" \
"handle = dlopen('${libCudaPath}/lib/libcuda.so.1'"
substituteInPlace cuda/bindings/_bindings/cydriver.pyx.in \
--replace-fail \
"path = 'libcuda.so.1'" \
"path = '${libCudaPath}/lib/libcuda.so.1'"
''
+ (versionSpecificAttrs.postPatch or "");
preBuild = ''
export CUDA_PYTHON_PARALLEL_LEVEL=$NIX_BUILD_CORES
'';
build-system = [
cython
pyclibrary
setuptools
setuptools-scm
];
env = {
CUDA_HOME = symlinkJoin {
name = "cuda-redist";
paths = with cudaPackages; [
(lib.getInclude cuda_cudart) # cuda_runtime.h
(lib.getInclude cuda_nvrtc) # nvrtc.h
(lib.getInclude cuda_profiler_api) # cudaProfiler.h, cuda_profiler_api.h
];
};
};
buildInputs = [
cudaPackages.libcufile # cufile.h
]
# Until 13.0, crt headers are shipped in nvcc
++ lib.optionals (cudaOlder "13.0") [
cudaPackages.cuda_nvcc # crt/host_defines.h
]
++ lib.optionals (cudaAtLeast "13.0") [
cudaPackages.cuda_crt # crt/host_defines.h
];
pythonRemoveDeps = [
# We circumvent cuda_pathfinder to localize nvidia libs with patches
"cuda-pathfinder"
];
dependencies = [
# Not explicitly listed as a dependency, but is required at import time
numpy
];
pythonImportsCheck = [
"cuda"
"cuda.bindings.cufile"
"cuda.bindings.driver"
"cuda.bindings.nvjitlink"
"cuda.bindings.nvrtc"
"cuda.bindings.nvvm"
"cuda.bindings.runtime"
]
++ (versionSpecificAttrs.pythonImportsCheck or [ ]);
preCheck = ''
rm -rf cuda
'';
nativeCheckInputs = [
pytestCheckHook
]
++ lib.optionals (cudaPackages.cudaAtLeast "13.0") [
# Although we don't want cuda.pathfinder as a dependency (to handle dlopens), it is imported by
# some tests
cuda-pathfinder
pytest-benchmark
util-linux # findmnt
];
enabledTestPaths = [
"tests/"
];
disabledTestPaths = lib.optionals (cudaOlder "13.0") [
# The current driver shipped in NixOS (590.48.01) advertises CUDA 13.1, causing the following
# error:
# cuda.bindings._internal.utils.NotSupportedError: only CUDA 12 driver is supported
"tests/test_nvjitlink.py"
];
disabledTests = versionSpecificAttrs.disabledTests or [ ];
# Tests need access to a GPU
doCheck = false;
passthru.gpuCheck = cuda-bindings.overridePythonAttrs {
requiredSystemFeatures = [ "cuda" ];
doCheck = true;
};
meta = {
description = "Standard set of low-level interfaces, providing access to the CUDA host APIs from Python";
homepage = "https://github.com/NVIDIA/cuda-python/tree/main/cuda_bindings";
changelog = "https://nvidia.github.io/cuda-python/${finalAttrs.version}/release/${finalAttrs.version}-notes.html";
license = lib.licenses.unfreeRedistributable; # NVIDIA Proprietary Software
maintainers = with lib.maintainers; [ GaetanLepage ];
};
})
|
