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Posted to commits@tvm.apache.org by GitBox <gi...@apache.org> on 2022/11/29 17:39:38 UTC

[GitHub] [tvm] comaniac commented on issue #13508: [Bug] Long lowering time after #13217

comaniac commented on issue #13508:
URL: https://github.com/apache/tvm/issues/13508#issuecomment-1331032516

   @Lunderberg your analysis makes a lot of sense. After removing `kApplyConstraintsToBooleanBranches`, the lowering time of the example became 13 seconds, which looks much more reasonable to me. It would be great if you could fix it by disabling the analyzer along with the flag.
   
   In addition, just my two cents about the simplification, correct me if I'm wrong, low-level compilers (e.g., nvcc, llvm) should be capable of simplifying this expression by themselves, so you might not see any performance improvement even you apply this simplification at TIR level.


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