alamb commented on issue #9577:
URL: 
https://github.com/apache/arrow-datafusion/issues/9577#issuecomment-1998659041

   > I'm interested in optimizing these (avoid clones), 
   
   ❤️ 
   
   > btw What is this profiling tool?
   
   
   I used `Instruments` (CPU profiler) that comes as part of XCode on Mac OSX
   
   I have also used hotspot for Linux https://github.com/KDAB/hotspot which has 
similar capabilities
   
   Maybe I should make a video about "how to profile / interpret stack traces 
to optimize DataFusion" 🤔 


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