Re: [I] Investigate performance of decimal math / aggregation [datafusion-comet]

[via GitHub]

kazuyukitanimura commented on issue #670:
URL: 
https://github.com/apache/datafusion-comet/issues/670#issuecomment-2240967544

   33 iterations of sf=1 
   
   ### Scan only without sum(decimals)
   ![Screenshot 2024-07-19 at 11 57 10 
PM](https://github.com/user-attachments/assets/e04c72dc-02ca-41a9-968e-c108a68b24df)
   
   ### Scan with Spark sum(decimals)
   ![Screenshot 2024-07-19 at 11 57 10 
PM](https://github.com/user-attachments/assets/50280fd7-0bb8-4200-9d6c-603107c1c17c)
   
   So somehow once Sum is applied, Comet scan slows down...
   


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