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Posted to github@arrow.apache.org by GitBox <gi...@apache.org> on 2020/10/22 16:53:48 UTC

[GitHub] [arrow] pitrou commented on pull request #8472: ARROW-8113: [C++][WIP] Lighter weight variant<>

pitrou commented on pull request #8472:
URL: https://github.com/apache/arrow/pull/8472#issuecomment-714625854


   This seems to speed up the compute layer a bit.
   * Before:
   ```
   ArrayArrayKernel<Add, Int64Type>/32768/100       3781 ns         3780 ns       738685 bytes_per_second=8.07385G/s items_per_second=1083.65M/s null_percent=1 size=32.768k
   ```
   * After:
   ```
   ArrayArrayKernel<Add, Int64Type>/32768/100       3615 ns         3614 ns       777365 bytes_per_second=8.44344G/s items_per_second=1.13326G/s null_percent=1 size=32.768k
   ```
   


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