[GitHub] [arrow-rs] yahoNanJing commented on pull request #4524: Add FixedWidthRows for the arrow-row

Sun, 16 Jul 2023 22:50:19 -0700 


yahoNanJing commented on PR #4524:
URL: https://github.com/apache/arrow-rs/pull/4524#issuecomment-1637417030

   After embedding the value to the RawTable, for tpch q17, there's around 30% 
performance gain compared to the main branch.
   
   - single partition
   ![Screen Shot 2023-07-17 at 13 42 
41](https://github.com/apache/arrow-rs/assets/90197956/edc70e39-fcfe-4918-b58d-310ea4aee56e)
   
   - default partition
   ![Screen Shot 2023-07-17 at 13 47 
08](https://github.com/apache/arrow-rs/assets/90197956/3d723e29-2be8-44a2-976d-26df7593e733)
   


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