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Posted to github@arrow.apache.org by GitBox <gi...@apache.org> on 2020/06/22 02:01:04 UTC

[GitHub] [arrow] emkornfield commented on pull request #7506: ARROW-9197: [C++] Overhaul integer/floating point casting: vectorize truncation checks, reduce binary size

emkornfield commented on pull request #7506:
URL: https://github.com/apache/arrow/pull/7506#issuecomment-647224569


   The gcc vs clang performance has come up a few times.  On the SIMD thread on the mailing list, I mentioned trying to standardise on a compiler at least in Linux so we can have a common rubric for evaluating benchmark results.  Otherwise, I think we are going to spin our wheels on optimization work.  Auto Vectorization choices seem to vary a lot.


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