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Posted to github@arrow.apache.org by GitBox <gi...@apache.org> on 2021/12/08 04:21:04 UTC

[GitHub] [arrow] cyb70289 commented on pull request #11896: ARROW-15005: [C++] Improve csv parser with Neon

cyb70289 commented on pull request #11896:
URL: https://github.com/apache/arrow/pull/11896#issuecomment-988486279


   Neoverse N1, clang-12
   ```
   -----------------------------------------------------------------
   Non-regressions: (8)
   -----------------------------------------------------------------
                 benchmark        baseline       contender  change %
   ParseCSVVehiclesExample 943.178 MiB/sec   1.411 GiB/sec    53.152
     ParseCSVStocksExample 817.026 MiB/sec 888.977 MiB/sec     8.806
       ParseCSVQuotedBlock 497.098 MiB/sec 514.735 MiB/sec     3.548
    ParseCSVFlightsExample 365.120 MiB/sec 370.772 MiB/sec     1.548
      ParseCSVEscapedBlock 451.707 MiB/sec 452.478 MiB/sec     0.171
   ChunkCSVNoNewlinesBlock      193.220245      193.543142     0.167
       ChunkCSVQuotedBlock 720.860 MiB/sec 720.979 MiB/sec     0.017
      ChunkCSVEscapedBlock 774.219 MiB/sec 774.157 MiB/sec    -0.008
   ```
   
   M1, AppleClang-12
   ```
   ------------------------------------------------------------------
   Non-regressions: (8)
   ------------------------------------------------------------------
                 benchmark         baseline       contender  change %
   ParseCSVVehiclesExample 1006.916 MiB/sec   1.765 GiB/sec    79.447
     ParseCSVStocksExample    1.005 GiB/sec   1.242 GiB/sec    23.544
    ParseCSVFlightsExample  483.309 MiB/sec 484.854 MiB/sec     0.320
       ChunkCSVQuotedBlock    1.505 GiB/sec   1.508 GiB/sec     0.238
      ParseCSVEscapedBlock  527.498 MiB/sec 528.321 MiB/sec     0.156
       ParseCSVQuotedBlock  521.683 MiB/sec 522.305 MiB/sec     0.119
      ChunkCSVEscapedBlock    1.615 GiB/sec   1.614 GiB/sec    -0.021
   ChunkCSVNoNewlinesBlock        83.988479       81.389943    -3.094
   ```


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