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Posted to github@arrow.apache.org by GitBox <gi...@apache.org> on 2020/10/07 05:20:45 UTC

[GitHub] [arrow] jorgecarleitao commented on pull request #8370: ARROW-10015: [Rust] Simd aggregate kernels

jorgecarleitao commented on pull request #8370:
URL: https://github.com/apache/arrow/pull/8370#issuecomment-704698712


   This is really exciting!!
   
   Just to check my understanding, we are talking `9.48 us` vs `250 ns` when we use this branch with SIMD vs current master without SIMD, which corresponds to a 36x overall improvement. Did you ran the current master with SIMD (to compare them with the same feature gate)?
   
   I will start by reviewing the other branch first.
   
   fyi @andygrove @alamb , this may have "some" impact on the query benchmarks of DataFusion.


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