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Posted to commits@tvm.apache.org by GitBox <gi...@apache.org> on 2021/09/03 10:30:21 UTC

[GitHub] [tvm] elvin-n edited a comment on pull request #8897: Add sse4/avx2 support for fast x86 int8 (vpmaddubsw/vpmaddwd/vpaddd)

elvin-n edited a comment on pull request #8897:
URL: https://github.com/apache/tvm/pull/8897#issuecomment-912435557


   The change in get_fp32_len affected ARM flow - now it started to block by 4 instead previous default 8. It must not affect from performance point of view since NEON SIMD vector size is 64 or 128 bit, but will affect the knowledge database of tuned kernels.
   
   Will verify the performance aspect on ARM. As for backward compatibility - still open question. So far I have an impression that we do not care about it so much.


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