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Get Native Windows Arm64 Python
Please checkout Pre-release Python Installation for instructions
Get the latest source
https://github.com/pytorch/pytorch
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git clone --recursive https://github.com/pytorch/pytorch cd pytorch git submodule sync git submodule update --init --recursive --jobs 0 |
Win10 limitation
Starting with Win11, x64 emulation is available for WoA, but for Win10, only x86 host toolchain is available.
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If LLVM is set manually (see below) then the error message is not perfect as the Visual Studio toolchain will be set to 32-bit version, but the manually set toolchain will override that.
Build developer version
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python setup.py develop |
Build with LLVM
LLVM is not supported explicitly by Pytorch.
However if CMake compiler path is set by environment variables, it’s won’t be overwritten by Visual Studio vcvars settings.
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$env:CMAKE_C_COMPILER:PATH="c:\\kg\\tools\\LLVM-14.0.0-rc1-woa64\\bin\\clang-cl.exe" $env:CMAKE_CXX_COMPILER:PATH="c:\\kg\\tools\\LLVM-14.0.0-rc1-woa64\\bin\\clang-cl.exe" $env:USE_OPENMP="OFF" python setup.py develop |
Test
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python test\test_torch.py |