Compress fatbin to fit into 32bit indexing#43074
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It's already the case when multiarch wheels are built: |
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Summary: Fixes pytorch#39968 tested with `TORCH_CUDA_ARCH_LIST='3.5 5.2 6.0 6.1 7.0 7.5 8.0+PTX'`, before this PR, it was failing, and with this PR, the build succeed. With `TORCH_CUDA_ARCH_LIST='7.0 7.5 8.0+PTX'`, `libtorch_cuda.so` with symbols changes from 2.9GB -> 2.2GB cc: ptrblck mcarilli jjsjann123 Pull Request resolved: pytorch#43074 Reviewed By: mrshenli Differential Revision: D23176095 Pulled By: malfet fbshipit-source-id: 7b3e6d049fc080e519f21e80df05ef68e7bea57e
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Fixes #39968
tested with
TORCH_CUDA_ARCH_LIST='3.5 5.2 6.0 6.1 7.0 7.5 8.0+PTX', before this PR, it was failing, and with this PR, the build succeed.With
TORCH_CUDA_ARCH_LIST='7.0 7.5 8.0+PTX',libtorch_cuda.sowith symbols changes from 2.9GB -> 2.2GBcc: @ptrblck @mcarilli @jjsjann123