andygrove commented on issue #1123:
URL: 
https://github.com/apache/datafusion-comet/issues/1123#issuecomment-2536254074

   I ran some benchmarks this morning and found that with their respective 
shuffle managers disabled, Comet and Gluten(+Velox) have pretty similar 
performance (Gluten was 15% faster) but with shuffle managers enabled, Gluten 
was 176% faster. I am going to try and learn more about how Gluten+Velox 
implements shuffle as a background task. I think this validates that DataFusion 
and Velox likely have similar performance.


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