Files

112 lines
2.7 KiB
Nix

# NOTE: Though NCCL tests is called within the cudaPackages package set, we avoid passing in
# the names of dependencies from that package set directly to avoid evaluation errors
# in the case redistributable packages are not available.
{
backendStdenv,
_cuda,
cccl,
cuda_cudart,
cuda_nvcc,
cudaNamePrefix,
fetchFromGitHub,
flags,
gitUpdater,
lib,
mpi,
mpiSupport ? false,
nccl,
which,
}:
let
inherit (_cuda.lib) _mkMetaBroken;
inherit (lib) licenses maintainers teams;
inherit (lib.attrsets) getBin getInclude getLib;
inherit (lib.lists) optionals;
in
backendStdenv.mkDerivation (finalAttrs: {
__structuredAttrs = true;
strictDeps = true;
# NOTE: Depends on the CUDA package set, so use cudaNamePrefix.
name = "${cudaNamePrefix}-${finalAttrs.pname}-${finalAttrs.version}";
pname = "nccl-tests";
version = "2.19.1";
src = fetchFromGitHub {
owner = "NVIDIA";
repo = "nccl-tests";
rev = "v${finalAttrs.version}";
hash = "sha256-eRwIl646ndISFttjG5nPqsXfPVmInABNIsphhh5I0wM=";
};
postPatch = ''
nixLog "patching $PWD/src/common.mk to remove NVIDIA's ccbin declaration"
substituteInPlace ./src/common.mk \
--replace-fail \
'-ccbin $(CXX)' \
""
'';
nativeBuildInputs = [
which
cuda_nvcc
];
buildInputs = [
cccl # <nv/target>
cuda_cudart
nccl
]
++ optionals mpiSupport [ mpi ];
# NOTE: CUDA_HOME is expected to have the bin directory
# TODO: This won't work with cross-compilation since cuda_nvcc will come from hostPackages by default (aka pkgs).
makeFlags = [
"CXXSTD=-std=c++17"
"CUDA_HOME=${getBin cuda_nvcc}"
"CUDA_INC=${getInclude cuda_cudart}/include"
"CUDA_LIB=${getLib cuda_cudart}/lib"
"NVCC_GENCODE=${flags.gencodeString}"
"PREFIX=$(out)"
]
++ optionals mpiSupport [ "MPI=1" ];
enableParallelBuilding = true;
installPhase = ''
runHook preInstall
mkdir -p "$out/bin"
install -Dm755 \
$(find build -type f -executable) \
"$out/bin"
runHook postInstall
'';
passthru = {
brokenAssertions = [
{
message = "mpi is non-null when mpiSupport is true";
assertion = mpiSupport -> mpi != null;
}
];
updateScript = gitUpdater {
inherit (finalAttrs) pname version;
rev-prefix = "v";
};
};
meta = {
description = "Tests to check both the performance and the correctness of NVIDIA NCCL operations";
homepage = "https://github.com/NVIDIA/nccl-tests";
platforms = [
"aarch64-linux"
"x86_64-linux"
];
license = licenses.bsd3;
broken = _mkMetaBroken finalAttrs;
maintainers = with maintainers; [ jmillerpdt ];
teams = [ teams.cuda ];
};
})