[GitHub] [arrow] jianxind commented on pull request #7871: ARROW-9605: [C++] Speed up aggregate min/max compute kernels on integer types

Wed, 12 Aug 2020 00:32:45 -0700 


jianxind commented on pull request #7871:
URL: https://github.com/apache/arrow/pull/7871#issuecomment-672689445


   Ping. @wesm @pitrou 
   
   Could you help to review this? Similar approach to sum kernel, use compiler 
to vectorise the NoNulls part, use BitBlockCounter on the 0.01% data. 
https://github.com/apache/arrow/pull/7870 add the benchmark item for MinMax 
kernel.
   
   Thanks. 


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