Link target library late, to avoid bloat during primary optimization #279

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vchuravy wants to merge 1 commit into master from vc/late_target_library

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vchuravy commented Jan 26, 2022

Motivated by a conversation with @pmccormick, @neboat, and @stelleg.

Based of the benchmark code https://gist.github.com/vchuravy/7d639aedd98c51d32541ae999504685a, it's not yet behavioral identical to the C++ code in https://github.com/pmccormick/kitsune/blob/ea8ab2916f043a8b33bc20c1c1ec4f280a8f6c1d/kitsune/experiments/raytracer/raytrace-kokkos.cpp but currently performance seems to be not matching NVCC Pat also wrote a CUDA version in https://github.com/pmccormick/kitsune/blob/dev/12.x/kitsune/experiments/raytracer/raytrace-cuda.cu as a baseline


          Link target library late, to avoid bloat during primary optimization

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maleadt commented Jan 26, 2022

The NVPTX back-end user guide instructs to optimize after linking libdevice: https://llvm.org/docs/NVPTXUsage.html#linking-with-libdevice

maleadt force-pushed the master branch from 628b8dd to f3f2c5e Compare

September 5, 2023 19:11

maleadt force-pushed the master branch 5 times, most recently from 1d233d7 to e18b7c2 Compare

January 20, 2025 10:33

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