Qifan Chen has posted comments on this change. ( http://gerrit.cloudera.org:8080/16621 )
Change subject: IMPALA-3816: Codegen perf critical loops in Sorter ...................................................................... Patch Set 10: (1 comment) http://gerrit.cloudera.org:8080/#/c/16621/8/be/src/runtime/sorter.cc File be/src/runtime/sorter.cc: http://gerrit.cloudera.org:8080/#/c/16621/8/be/src/runtime/sorter.cc@1215 PS8, Line 1215: LlvmCodeGen* codegen = state->codegen(); > Did some additional testing with instrumentation and found the return addre Added the logic to replace the call sites (two recursive calls) within the LLVMed SorterHelp with good improvement (~65% and ~61% over non-LLVM version, respectively). -- To view, visit http://gerrit.cloudera.org:8080/16621 To unsubscribe, visit http://gerrit.cloudera.org:8080/settings Gerrit-Project: Impala-ASF Gerrit-Branch: master Gerrit-MessageType: comment Gerrit-Change-Id: Ie08137449d4a7b554ca8b8650260f8bd72e0a81b Gerrit-Change-Number: 16621 Gerrit-PatchSet: 10 Gerrit-Owner: Qifan Chen <[email protected]> Gerrit-Reviewer: Csaba Ringhofer <[email protected]> Gerrit-Reviewer: Daniel Becker <[email protected]> Gerrit-Reviewer: Impala Public Jenkins <[email protected]> Gerrit-Reviewer: Qifan Chen <[email protected]> Gerrit-Reviewer: Sahil Takiar <[email protected]> Gerrit-Reviewer: Tim Armstrong <[email protected]> Gerrit-Comment-Date: Tue, 03 Nov 2020 14:25:48 +0000 Gerrit-HasComments: Yes
