Tim Armstrong has posted comments on this change. Change subject: IMPALA-2680: faster memory copy ......................................................................
Patch Set 10: -Code-Review I ran that query and locally it's about 7% faster with this patch (~28s version ~30s). It doesn't look like a big change in perf but I think it must be on the critical path of the query. -- To view, visit http://gerrit.cloudera.org:8080/1686 To unsubscribe, visit http://gerrit.cloudera.org:8080/settings Gerrit-MessageType: comment Gerrit-Change-Id: I7f6c046d966883aa66f26d58bee92c427f973e67 Gerrit-PatchSet: 10 Gerrit-Project: Impala Gerrit-Branch: cdh5-trunk Gerrit-Owner: Zuo Wang <[email protected]> Gerrit-Reviewer: Dan Hecht <[email protected]> Gerrit-Reviewer: Marcel Kornacker <[email protected]> Gerrit-Reviewer: Mostafa Mokhtar <[email protected]> Gerrit-Reviewer: Tim Armstrong <[email protected]> Gerrit-Reviewer: Zuo Wang <[email protected]> Gerrit-HasComments: No
