91 lines
2.3 KiB
Nix
91 lines
2.3 KiB
Nix
{ buildPythonPackage
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, fetchFromGitHub
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, lib
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, libjpeg_turbo
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, libpng
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, ninja
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, numpy
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, pillow
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, pytest
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, scipy
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, symlinkJoin
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, torch
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, which
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}:
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let
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inherit (torch) cudaCapabilities cudaPackages cudaSupport;
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inherit (cudaPackages) backendStdenv cudaVersion;
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# NOTE: torchvision doesn't use cudnn; torch does!
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# For this reason it is not included.
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cuda-common-redist = with cudaPackages; [
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cuda_cccl # <thrust/*>
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libcublas # cublas_v2.h
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libcusolver # cusolverDn.h
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libcusparse # cusparse.h
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];
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cuda-native-redist = symlinkJoin {
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name = "cuda-native-redist-${cudaVersion}";
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paths = with cudaPackages; [
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cuda_cudart # cuda_runtime.h
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cuda_nvcc
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] ++ cuda-common-redist;
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};
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cuda-redist = symlinkJoin {
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name = "cuda-redist-${cudaVersion}";
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paths = cuda-common-redist;
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};
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pname = "torchvision";
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version = "0.15.2";
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in
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buildPythonPackage {
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inherit pname version;
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src = fetchFromGitHub {
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owner = "pytorch";
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repo = "vision";
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rev = "refs/tags/v${version}";
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hash = "sha256-KNbOgd6PCINZqZ24c/Ev+ODux3ik5iUlzem9uUfQArM=";
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};
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nativeBuildInputs = [ libpng ninja which ] ++ lib.optionals cudaSupport [ cuda-native-redist ];
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buildInputs = [ libjpeg_turbo libpng ] ++ lib.optionals cudaSupport [ cuda-redist ];
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propagatedBuildInputs = [ numpy pillow torch scipy ];
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preConfigure = ''
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export TORCHVISION_INCLUDE="${libjpeg_turbo.dev}/include/"
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export TORCHVISION_LIBRARY="${libjpeg_turbo}/lib/"
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''
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# NOTE: We essentially override the compilers provided by stdenv because we don't have a hook
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# for cudaPackages to swap in compilers supported by NVCC.
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+ lib.optionalString cudaSupport ''
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export CC=${backendStdenv.cc}/bin/cc
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export CXX=${backendStdenv.cc}/bin/c++
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export TORCH_CUDA_ARCH_LIST="${lib.concatStringsSep ";" cudaCapabilities}"
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export FORCE_CUDA=1
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'';
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# tries to download many datasets for tests
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doCheck = false;
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pythonImportsCheck = [ "torchvision" ];
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checkPhase = ''
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HOME=$TMPDIR py.test test --ignore=test/test_datasets_download.py
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'';
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nativeCheckInputs = [ pytest ];
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meta = with lib; {
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description = "PyTorch vision library";
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homepage = "https://pytorch.org/";
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license = licenses.bsd3;
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platforms = with platforms; linux ++ lib.optionals (!cudaSupport) darwin;
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maintainers = with maintainers; [ ericsagnes ];
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};
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}
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