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Posted to github@arrow.apache.org by GitBox <gi...@apache.org> on 2020/05/27 09:55:22 UTC

[GitHub] [arrow] cyb70289 commented on pull request #7285: ARROW-8843: [C++] Compare bitmaps in words

cyb70289 commented on pull request #7285:
URL: https://github.com/apache/arrow/pull/7285#issuecomment-634555761


   Before (apply only benchmark code)
   ```
   BitmapEqualsWithoutOffset/8192                195 ns          195 ns      3618366 bytes_per_second=39.1055G/s
   BitmapEqualsWithOffset/8192                 91272 ns        91235 ns         7673 bytes_per_second=85.6307M/s
   ```
   
   After
   ```
   BitmapEqualsWithoutOffset/8192                193 ns          193 ns      3635971 bytes_per_second=39.6261G/s
   BitmapEqualsWithOffset/8192                  1332 ns         1331 ns       510343 bytes_per_second=5.73058G/s


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