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{ lib
, buildPythonPackage
, fetchPypi
, cython
, fastrlock
, numpy
, wheel
, pytestCheckHook
, mock
, setuptools
, cudaPackages
, addOpenGLRunpath
, pythonOlder
, symlinkJoin
}:
let
inherit (cudaPackages) cudnn cutensor nccl;
cudatoolkit-joined = symlinkJoin {
name = "cudatoolkit-joined-${cudaPackages.cudaVersion}";
paths = with cudaPackages; [
cuda_cccl # <nv/target>
cuda_cccl.dev
cuda_cudart
cuda_nvcc.dev # <crt/host_defines.h>
cuda_nvprof
cuda_nvrtc
cuda_nvtx
cuda_profiler_api
libcublas
libcufft
libcurand
libcusolver
libcusparse
# Missing:
# cusparselt
];
};
in
buildPythonPackage rec {
pname = "cupy";
version = "13.0.0";
format = "setuptools";
disabled = pythonOlder "3.7";
src = fetchPypi {
inherit pname version;
hash = "sha256-LwTnhX9pKnEzYNycOwZwmAarhAT8o5ta+XIcBKKXmq4=";
};
# See https://docs.cupy.dev/en/v10.2.0/reference/environment.html. Seting both
# CUPY_NUM_BUILD_JOBS and CUPY_NUM_NVCC_THREADS to NIX_BUILD_CORES results in
# a small amount of thrashing but it turns out there are a large number of
# very short builds and a few extremely long ones, so setting both ends up
# working nicely in practice.
preConfigure = ''
export CUPY_NUM_BUILD_JOBS="$NIX_BUILD_CORES"
export CUPY_NUM_NVCC_THREADS="$NIX_BUILD_CORES"
'';
nativeBuildInputs = [
setuptools
wheel
addOpenGLRunpath
cython
cudaPackages.cuda_nvcc
];
buildInputs = [
cudatoolkit-joined
cudnn
cutensor
nccl
];
NVCC = "${lib.getExe cudaPackages.cuda_nvcc}"; # FIXME: splicing/buildPackages
CUDA_PATH = "${cudatoolkit-joined}";
LDFLAGS = "-L${cudaPackages.cuda_cudart}/lib/stubs";
propagatedBuildInputs = [
fastrlock
numpy
];
nativeCheckInputs = [
pytestCheckHook
mock
];
# Won't work with the GPU, whose drivers won't be accessible from the build
# sandbox
doCheck = false;
postFixup = ''
find $out -type f \( -name '*.so' -or -name '*.so.*' \) | while read lib; do
addOpenGLRunpath "$lib"
done
'';
enableParallelBuilding = true;
meta = with lib; {
description = "A NumPy-compatible matrix library accelerated by CUDA";
homepage = "https://cupy.chainer.org/";
changelog = "https://github.com/cupy/cupy/releases/tag/v${version}";
license = licenses.mit;
platforms = [ "x86_64-linux" ];
maintainers = with maintainers; [ hyphon81 ];
};
}
|