254 lines
7.3 KiB
Nix
254 lines
7.3 KiB
Nix
{ lib
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, buildPythonPackage
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, python
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, fetchpatch
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, fetchFromGitHub
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, addOpenGLRunpath
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, cmake
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, cudaPackages
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, llvmPackages
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, pybind11
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, gtest
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, zlib
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, ncurses
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, libxml2
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, lit
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, filelock
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, torchWithRocm
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, pytest
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, pytestCheckHook
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, pythonRelaxDepsHook
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, pkgsTargetTarget
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}:
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let
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pname = "triton";
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version = "2.0.0";
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inherit (cudaPackages) cuda_cudart backendStdenv;
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# A time may come we'll want to be cross-friendly
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#
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# Short explanation: we need pkgsTargetTarget, because we use string
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# interpolation instead of buildInputs.
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#
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# Long explanation: OpenAI/triton downloads and vendors a copy of NVidia's
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# ptxas compiler. We're not running this ptxas on the build machine, but on
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# the user's machine, i.e. our Target platform. The second "Target" in
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# pkgsTargetTarget maybe doesn't matter, because ptxas compiles programs to
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# be executed on the GPU.
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# Cf. https://nixos.org/manual/nixpkgs/unstable/#sec-cross-infra
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ptxas = "${pkgsTargetTarget.cudaPackages.cuda_nvcc}/bin/ptxas";
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llvm = (llvmPackages.llvm.override {
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llvmTargetsToBuild = [ "NATIVE" "NVPTX" ];
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# Upstream CI sets these too:
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# targetProjects = [ "mlir" ];
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extraCMakeFlags = [
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"-DLLVM_INSTALL_UTILS=ON"
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];
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});
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in
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buildPythonPackage {
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inherit pname version;
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format = "setuptools";
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src = fetchFromGitHub {
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owner = "openai";
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repo = pname;
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rev = "v${version}";
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hash = "sha256-9GZzugab+Pdt74Dj6zjlEzjj4BcJ69rzMJmqcVMxsKU=";
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};
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patches = [
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# Prerequisite for llvm15 patch
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(fetchpatch {
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url = "https://github.com/openai/triton/commit/2aba985daaa70234823ea8f1161da938477d3e02.patch";
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hash = "sha256-LGv0+Ut2WYPC4Ksi4803Hwmhi3FyQOF9zElJc/JCobk=";
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})
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(fetchpatch {
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url = "https://github.com/openai/triton/commit/e3941f9d09cdd31529ba4a41018cfc0096aafea6.patch";
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hash = "sha256-A+Gor6qzFlGQhVVhiaaYOzqqx8yO2MdssnQS6TIfUWg=";
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})
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# Source: https://github.com/openai/triton/commit/fc7a8e35819bda632bdcf1cf75fd9abe4d4e077a.patch
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# The original patch adds ptxas binary, so we include our own clean copy
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# Drop with the next update
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./llvm15.patch
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# TODO: there have been commits upstream aimed at removing the "torch"
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# circular dependency, but the patches fail to apply on the release
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# revision. Keeping the link for future reference
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# Also cf. https://github.com/openai/triton/issues/1374
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# (fetchpatch {
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# url = "https://github.com/openai/triton/commit/fc7c0b0e437a191e421faa61494b2ff4870850f1.patch";
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# hash = "sha256-f0shIqHJkVvuil2Yku7vuqWFn7VCRKFSFjYRlwx25ig=";
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# })
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];
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postPatch = ''
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substituteInPlace python/setup.py \
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--replace \
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'= get_thirdparty_packages(triton_cache_path)' \
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'= os.environ["cmakeFlags"].split()'
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''
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# Wiring triton=2.0.0 with llcmPackages_rocm.llvm=5.4.3
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# Revisit when updating either triton or llvm
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+ ''
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substituteInPlace CMakeLists.txt \
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--replace "nvptx" "NVPTX" \
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--replace "LLVM 11" "LLVM"
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sed -i '/AddMLIR/a set(MLIR_TABLEGEN_EXE "${llvmPackages.mlir}/bin/mlir-tblgen")' CMakeLists.txt
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sed -i '/AddMLIR/a set(MLIR_INCLUDE_DIR ''${MLIR_INCLUDE_DIRS})' CMakeLists.txt
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find -iname '*.td' -exec \
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sed -i \
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-e '\|include "mlir/IR/OpBase.td"|a include "mlir/IR/AttrTypeBase.td"' \
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-e 's|include "mlir/Dialect/StandardOps/IR/Ops.td"|include "mlir/Dialect/Func/IR/FuncOps.td"|' \
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'{}' ';'
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substituteInPlace unittest/CMakeLists.txt --replace "include(GoogleTest)" "find_package(GTest REQUIRED)"
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sed -i 's/^include.*$//' unittest/CMakeLists.txt
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sed -i '/LINK_LIBS/i NVPTXInfo' lib/Target/PTX/CMakeLists.txt
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sed -i '/LINK_LIBS/i NVPTXCodeGen' lib/Target/PTX/CMakeLists.txt
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''
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# TritonMLIRIR already links MLIRIR. Not transitive?
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# + ''
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# echo "target_link_libraries(TritonPTX PUBLIC MLIRIR)" >> lib/Target/PTX/CMakeLists.txt
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# ''
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# Already defined in llvm, when built with -DLLVM_INSTALL_UTILS
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+ ''
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substituteInPlace bin/CMakeLists.txt \
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--replace "add_subdirectory(FileCheck)" ""
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rm cmake/FindLLVM.cmake
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''
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+
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(
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let
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# Bash was getting weird without linting,
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# but basically upstream contains [cc, ..., "-lcuda", ...]
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# and we replace it with [..., "-lcuda", "-L/run/opengl-driver/lib", "-L$stubs", ...]
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old = [ "-lcuda" ];
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new = [ "-lcuda" "-L${addOpenGLRunpath.driverLink}" "-L${cuda_cudart}/lib/stubs/" ];
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quote = x: ''"${x}"'';
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oldStr = lib.concatMapStringsSep ", " quote old;
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newStr = lib.concatMapStringsSep ", " quote new;
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in
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''
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substituteInPlace python/triton/compiler.py \
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--replace '${oldStr}' '${newStr}'
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''
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)
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# Triton seems to be looking up cuda.h
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+ ''
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sed -i 's|cu_include_dir = os.path.join.*$|cu_include_dir = "${cuda_cudart}/include"|' python/triton/compiler.py
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'';
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nativeBuildInputs = [
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cmake
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pythonRelaxDepsHook
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# Requires torch (circular dependency) and probably needs GPUs:
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# pytestCheckHook
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# Note for future:
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# These *probably* should go in depsTargetTarget
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# ...but we cannot test cross right now anyway
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# because we only support cudaPackages on x86_64-linux atm
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lit
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llvm
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llvmPackages.mlir
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];
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buildInputs = [
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gtest
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libxml2.dev
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ncurses
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pybind11
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zlib
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];
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propagatedBuildInputs = [
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filelock
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];
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# Avoid GLIBCXX mismatch with other cuda-enabled python packages
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preConfigure = ''
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export CC="${backendStdenv.cc}/bin/cc";
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export CXX="${backendStdenv.cc}/bin/c++";
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# Upstream's setup.py tries to write cache somewhere in ~/
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export HOME=$TMPDIR
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# Upstream's github actions patch setup.cfg to write base-dir. May be redundant
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echo "
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[build_ext]
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base-dir=$PWD" >> python/setup.cfg
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# The rest (including buildPhase) is relative to ./python/
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cd python/
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# Work around download_and_copy_ptxas()
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dst_cuda="$PWD/triton/third_party/cuda/bin"
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mkdir -p "$dst_cuda"
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ln -s "${ptxas}" "$dst_cuda/"
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'';
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# CMake is run by setup.py instead
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dontUseCmakeConfigure = true;
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cmakeFlags = [
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"-DMLIR_DIR=${llvmPackages.mlir}/lib/cmake/mlir"
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];
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postFixup =
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let
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ptxasDestination = "$out/${python.sitePackages}/triton/third_party/cuda/bin/ptxas";
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in
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# Setuptools (?) strips runpath and +x flags. Let's just restore the symlink
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''
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rm -f ${ptxasDestination}
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ln -s ${ptxas} ${ptxasDestination}
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'';
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checkInputs = [
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cmake # ctest
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];
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dontUseSetuptoolsCheck = true;
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preCheck =
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# build/temp* refers to build_ext.build_temp (looked up in the build logs)
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''
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(cd /build/source/python/build/temp* ; ctest)
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'' # For pytestCheckHook
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+ ''
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cd test/unit
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'';
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pythonImportsCheck = [
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# Circular dependency on torch
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# "triton"
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# "triton.language"
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];
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# Ultimately, torch is our test suite:
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passthru.tests = {
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inherit torchWithRocm;
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};
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pythonRemoveDeps = [
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# Circular dependency, cf. https://github.com/openai/triton/issues/1374
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"torch"
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# CLI tools without dist-info
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"cmake"
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"lit"
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];
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meta = with lib; {
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description = "Development repository for the Triton language and compiler";
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homepage = "https://github.com/openai/triton/";
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platforms = lib.platforms.unix;
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license = licenses.mit;
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maintainers = with maintainers; [ SomeoneSerge ];
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};
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}
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