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Posted to github@arrow.apache.org by "EpsilonPrime (via GitHub)" <gi...@apache.org> on 2023/07/01 01:09:49 UTC

[GitHub] [arrow] EpsilonPrime commented on pull request #36289: GH-35273: [C++] Add integer round kernels

EpsilonPrime commented on PR #36289:
URL: https://github.com/apache/arrow/pull/36289#issuecomment-1615323920

   I ran the benchmarks as well (locally on an M1 Macbook Pro):
   `archery benchmark diff review36289 main --benchmark-filter=RoundArrayBenchmark`
   
   The summary version is:
   
   - int8, uint8         130-1200x faster
   - int16, uint16      100-870x faster
   - int32, uint32     70-830x faster
   - int64, uint64     100-700x faster
   - float/double       no noticible effect
   
   https://gist.github.com/EpsilonPrime/658c90020a5964064e803cfb7e4761b2
   


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