Bikramjeet Vig has posted comments on this change. ( http://gerrit.cloudera.org:8080/9570 )
Change subject: IMPALA-6621: Improve set lookup performance for in-predicate evaluation ...................................................................... Patch Set 1: (1 comment) http://gerrit.cloudera.org:8080/#/c/9570/1//COMMIT_MSG Commit Message: http://gerrit.cloudera.org:8080/#/c/9570/1//COMMIT_MSG@23 PS1, Line 23: | Data Type | Llvm 3 hybrid | Llvm 3 | Llvm 5 hybrid | Llvm 5 | > Which strategy is implemented by this patch? The strategy implemented by this patch is the hybrid one (on llvm3). The approach is detailed in the first paragraph of the commit message: "This patch takes a hybrid approach based on benchmarking results and uses boost::flat_set for int, big int, and float datatypes and boost::unordered_set for the rest (tiny int, small int, double, string, timestamp, decimal)." -- To view, visit http://gerrit.cloudera.org:8080/9570 To unsubscribe, visit http://gerrit.cloudera.org:8080/settings Gerrit-Project: Impala-ASF Gerrit-Branch: master Gerrit-MessageType: comment Gerrit-Change-Id: Ifd1627d779d10a16468cc3c2d0bc26a497e048df Gerrit-Change-Number: 9570 Gerrit-PatchSet: 1 Gerrit-Owner: Bikramjeet Vig <[email protected]> Gerrit-Reviewer: Alex Behm <[email protected]> Gerrit-Reviewer: Bikramjeet Vig <[email protected]> Gerrit-Comment-Date: Sat, 10 Mar 2018 00:43:22 +0000 Gerrit-HasComments: Yes
