ReemaAlzaid commented on PR #12838:
URL: https://github.com/apache/gluten/pull/12838#issuecomment-5430380312

   @marin-ma Pushed, the deserializer now follows the consuming stage's 
offloadCuda
   
   Traced on q95: `CudfValueStream → CudfHashJoinBuild on the build side, 
CudfValueStream → … → CudfToVelox` on the probe, 0 CudfFromVelox inserted. 
Untagged stages take the host deserializer and RowVectorStream 
   
   One flag: dropping #12471 exposes q3/q10/q18, failing at 
`CudfTopN::doAddInput` TakeOrderedAndProject's runtime built exchange skips 
AdjustStageExecutionMode. A control run with the old serializer fails 
identically, so not a regression here, but it's the same wrong pipeline shape. 
Should I open a separate issue for it? or continue on it from the 
https://github.com/apache/gluten/pull/12471 patch? 


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