[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-647255915 > But in general I don't think we should be using the "ursabot benchmark" results (which use gcc) to make conclusions about what perf optimizations are working Hmm, I'm

[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