lidavidm commented on pull request #9620:
URL: https://github.com/apache/arrow/pull/9620#issuecomment-812552565


   Ok, something wonky is going on here, but…
   ```
   
--------------------------------------------------------------------------------------------
   Benchmark                                  Time             CPU   Iterations 
UserCounters...
   
--------------------------------------------------------------------------------------------
   BM_ReadMultipleRowGroups            38393176 ns     38392591 ns           14 
bytes_per_second=2.0349G/s items_per_second=2.18495G/s
   BM_ReadMultipleRowGroupsGenerator   37526258 ns       123436 ns          100 
bytes_per_second=632.918G/s items_per_second=679.59G/s
   ```
   I confirmed that both benchmarks read the same number of rows/columns, but 
this still seems rather unbelievable/there must be some sort of measurement 
error.
   


-- 
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.

For queries about this service, please contact Infrastructure at:
us...@infra.apache.org


Reply via email to