add torch/lib subdirectory in Python lib dir to $LD_LIBRARY_PATH for PyTorch installations#2183
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akesandgren merged 1 commit intoeasybuilders:developfrom Sep 23, 2020
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Tested with PyTorch/1.4.0-fosscuda-2019b-Python-3.7.4 and the above command works |
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Going in, thanks @Flamefire! |
boegel
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This is the replacement for what was in previous ECs:
postinstallcmds = ['cp -a %(builddir)s/%(namelower)s-%(version)s/torch/lib*/* %(installdir)s/lib/']and fixes issues with loadinglibcaffe2_nvrtc.sowhich is loaded viadlopenfrom PyTorch.Reproducible with
python -c "import ctypes; ctypes.CDLL('libcaffe2_nvrtc.so')"although that is not what is the "official" way. That seems to be JIT compiling some code for CUDA kernels for which I couldn't find how to specifically do that. In case someone knows how to do that that would be good to add to the test cases.Setting the LD_LIBRARY_PATH is also what Pytorch itself does in at least one of its CI tests