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For info: TARGET flags for clang-based CCE for OpenMP target #82

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tomdeakin opened this issue Oct 21, 2020 · 1 comment
Open

For info: TARGET flags for clang-based CCE for OpenMP target #82

tomdeakin opened this issue Oct 21, 2020 · 1 comment
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@tomdeakin
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To target NVIDIA with OpenMP with the clang-based CCE, we need to do something like this:

make COMPILER=CRAY TARGET=NVIDIA EXTRA_FLAGS="-fopenmp -fopenmp-targets=nvptx64 -Xopenmp-target -march=sm_60"
@tomdeakin
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  • it also seems to work with just -fopenmp and the right craype-accel module loaded
  • plain LLVM also works with -fopenmp-targets=nvptx64. CCE won't work with the longer -fopenmp-targets=nvptx64-nvidia-cuda

@tomdeakin tomdeakin changed the title Add TARGET flags for clang-based CCE for OpenMP target For info: TARGET flags for clang-based CCE for OpenMP target Dec 7, 2020
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