Michael Smith has posted comments on this change. ( http://gerrit.cloudera.org:8080/20265 )
Change subject: IMPALA-12314: Pre-compile LLVM bytecode with Os ...................................................................... Patch Set 6: (1 comment) http://gerrit.cloudera.org:8080/#/c/20265/6//COMMIT_MSG Commit Message: http://gerrit.cloudera.org:8080/#/c/20265/6//COMMIT_MSG@16 PS6, Line 16: With codegen cache disabled we see across-the-board improvement: : +----------+-----------------------+---------+------------+------------+----------------+ : | Workload | File Format | Avg (s) | Delta(Avg) | GeoMean(s) | Delta(GeoMean) | : +----------+-----------------------+---------+------------+------------+----------------+ : | TPCH(42) | parquet / none / none | 3.28 | -2.33% | 2.44 | -3.42% | : +----------+-----------------------+---------+------------+------------+----------------+ > Impressive numbers! Further down are measurements with codegen cache enabled. The only significant breakout is Q9, where it shows measurable improvement in execution time for a few fragments. So I think we are seeing some execution improvement, although it's a bit mixed. -- To view, visit http://gerrit.cloudera.org:8080/20265 To unsubscribe, visit http://gerrit.cloudera.org:8080/settings Gerrit-Project: Impala-ASF Gerrit-Branch: master Gerrit-MessageType: comment Gerrit-Change-Id: I6dd1a07ce63dbc2c27b00f450e11eceaa7bb0822 Gerrit-Change-Number: 20265 Gerrit-PatchSet: 6 Gerrit-Owner: Michael Smith <michael.sm...@cloudera.com> Gerrit-Reviewer: Csaba Ringhofer <csringho...@cloudera.com> Gerrit-Reviewer: Daniel Becker <daniel.bec...@cloudera.com> Gerrit-Reviewer: Impala Public Jenkins <impala-public-jenk...@cloudera.com> Gerrit-Reviewer: Joe McDonnell <joemcdonn...@cloudera.com> Gerrit-Reviewer: Michael Smith <michael.sm...@cloudera.com> Gerrit-Reviewer: Yida Wu <wydbaggio...@gmail.com> Gerrit-Comment-Date: Mon, 31 Jul 2023 17:02:32 +0000 Gerrit-HasComments: Yes