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{ lib
, config
, buildPythonPackage
, fetchFromGitHub
, fetchpatch
, addOpenGLRunpath
, setuptools
, pytestCheckHook
, pythonRelaxDepsHook
, cmake
, ninja
, pybind11
, gtest
, zlib
, ncurses
, libxml2
, lit
, llvm
, filelock
, torchWithRocm
, python
, runCommand
, cudaPackages
, cudaSupport ? config.cudaSupport
}:
let
ptxas = "${cudaPackages.cuda_nvcc}/bin/ptxas"; # Make sure cudaPackages is the right version each update (See python/setup.py)
in
buildPythonPackage rec {
pname = "triton";
version = "2.1.0";
pyproject = true;
src = fetchFromGitHub {
owner = "openai";
repo = pname;
rev = "v${version}";
hash = "sha256-8UTUwLH+SriiJnpejdrzz9qIquP2zBp1/uwLdHmv0XQ=";
};
patches = [
# fix overflow error
(fetchpatch {
url = "https://github.com/openai/triton/commit/52c146f66b79b6079bcd28c55312fc6ea1852519.patch";
hash = "sha256-098/TCQrzvrBAbQiaVGCMaF3o5Yc3yWDxzwSkzIuAtY=";
})
] ++ lib.optionals (!cudaSupport) [
./0000-dont-download-ptxas.patch
# openai-triton wants to get ptxas version even if ptxas is not
# used, resulting in ptxas not found error.
./0001-ptxas-disable-version-key-for-non-cuda-targets.patch
];
nativeBuildInputs = [
setuptools
pythonRelaxDepsHook
# pytestCheckHook # Requires torch (circular dependency) and probably needs GPUs:
cmake
ninja
# Note for future:
# These *probably* should go in depsTargetTarget
# ...but we cannot test cross right now anyway
# because we only support cudaPackages on x86_64-linux atm
lit
llvm
];
buildInputs = [
gtest
libxml2.dev
ncurses
pybind11
zlib
];
propagatedBuildInputs = [
filelock
# openai-triton uses setuptools at runtime:
# https://github.com/NixOS/nixpkgs/pull/286763/#discussion_r1480392652
setuptools
];
postPatch = let
# Bash was getting weird without linting,
# but basically upstream contains [cc, ..., "-lcuda", ...]
# and we replace it with [..., "-lcuda", "-L/run/opengl-driver/lib", "-L$stubs", ...]
old = [ "-lcuda" ];
new = [ "-lcuda" "-L${addOpenGLRunpath.driverLink}" "-L${cudaPackages.cuda_cudart}/lib/stubs/" ];
quote = x: ''"${x}"'';
oldStr = lib.concatMapStringsSep ", " quote old;
newStr = lib.concatMapStringsSep ", " quote new;
in ''
# Use our `cmakeFlags` instead and avoid downloading dependencies
substituteInPlace python/setup.py \
--replace "= get_thirdparty_packages(triton_cache_path)" "= os.environ[\"cmakeFlags\"].split()"
# Already defined in llvm, when built with -DLLVM_INSTALL_UTILS
substituteInPlace bin/CMakeLists.txt \
--replace "add_subdirectory(FileCheck)" ""
# Don't fetch googletest
substituteInPlace unittest/CMakeLists.txt \
--replace "include (\''${CMAKE_CURRENT_SOURCE_DIR}/googletest.cmake)" ""\
--replace "include(GoogleTest)" "find_package(GTest REQUIRED)"
'' + lib.optionalString cudaSupport ''
# Use our linker flags
substituteInPlace python/triton/common/build.py \
--replace '${oldStr}' '${newStr}'
'';
# Avoid GLIBCXX mismatch with other cuda-enabled python packages
preConfigure = ''
# Ensure that the build process uses the requested number of cores
export MAX_JOBS="$NIX_BUILD_CORES"
# Upstream's setup.py tries to write cache somewhere in ~/
export HOME=$(mktemp -d)
# Upstream's github actions patch setup.cfg to write base-dir. May be redundant
echo "
[build_ext]
base-dir=$PWD" >> python/setup.cfg
# The rest (including buildPhase) is relative to ./python/
cd python
'' + lib.optionalString cudaSupport ''
export CC=${cudaPackages.backendStdenv.cc}/bin/cc;
export CXX=${cudaPackages.backendStdenv.cc}/bin/c++;
# Work around download_and_copy_ptxas()
mkdir -p $PWD/triton/third_party/cuda/bin
ln -s ${ptxas} $PWD/triton/third_party/cuda/bin
'';
# CMake is run by setup.py instead
dontUseCmakeConfigure = true;
# Setuptools (?) strips runpath and +x flags. Let's just restore the symlink
postFixup = lib.optionalString cudaSupport ''
rm -f $out/${python.sitePackages}/triton/third_party/cuda/bin/ptxas
ln -s ${ptxas} $out/${python.sitePackages}/triton/third_party/cuda/bin/ptxas
'';
checkInputs = [ cmake ]; # ctest
dontUseSetuptoolsCheck = true;
preCheck = ''
# build/temp* refers to build_ext.build_temp (looked up in the build logs)
(cd /build/source/python/build/temp* ; ctest)
# For pytestCheckHook
cd test/unit
'';
# Circular dependency on torch
# pythonImportsCheck = [
# "triton"
# "triton.language"
# ];
# Ultimately, torch is our test suite:
passthru.tests = {
inherit torchWithRocm;
# Implemented as alternative to pythonImportsCheck, in case if circular dependency on torch occurs again,
# and pythonImportsCheck is commented back.
import-triton = runCommand "import-triton" { nativeBuildInputs = [(python.withPackages (ps: [ps.openai-triton]))]; } ''
python << \EOF
import triton
import triton.language
EOF
touch "$out"
'';
};
pythonRemoveDeps = [
# Circular dependency, cf. https://github.com/openai/triton/issues/1374
"torch"
# CLI tools without dist-info
"cmake"
"lit"
];
meta = with lib; {
description = "Language and compiler for writing highly efficient custom Deep-Learning primitives";
homepage = "https://github.com/openai/triton";
platforms = lib.platforms.unix;
license = licenses.mit;
maintainers = with maintainers; [ SomeoneSerge Madouura ];
};
}
|
