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Posted to issues@arrow.apache.org by "ZhangHuiGui (via GitHub)" <gi...@apache.org> on 2024/04/05 14:58:50 UTC

[I] [C++] Add a benchmark for grouper for preventing performance regression [arrow]

ZhangHuiGui opened a new issue, #41035:
URL: https://github.com/apache/arrow/issues/41035

   ### Describe the enhancement requested
   
   Enhancement comes from the https://github.com/apache/arrow/pull/40998#issuecomment-2039204161.
   
   We find  it's a big performance improvement for grouper to resort columns  in rowtable:
   https://github.com/apache/arrow/blob/83359d6958273be534f376f40976196c14675c8b/cpp/src/arrow/compute/row/row_internal.cc#L87-L88
   
   In order to prevent performance regression, we should add a benchmark for grouper.
   
   ### Component(s)
   
   C++


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