Michael Ho has posted comments on this change. ( http://gerrit.cloudera.org:8080/8146 )
Change subject: IMPALA-5307: Part 2: copy out strings in uncompressed Avro ...................................................................... Patch Set 11: (1 comment) http://gerrit.cloudera.org:8080/#/c/8146/11/be/src/runtime/tuple.cc File be/src/runtime/tuple.cc: http://gerrit.cloudera.org:8080/#/c/8146/11/be/src/runtime/tuple.cc@449 PS11, Line 449: Value* result_val = builder.CreateCall(cross_compiled_fn, > I confirmed that it was unrolled for a handful of string columns. For 100s It's probably because of the inlining overhead. I wonder what the perf is like if we force inlining and let the unroll to occur for your 100 columns example -- To view, visit http://gerrit.cloudera.org:8080/8146 To unsubscribe, visit http://gerrit.cloudera.org:8080/settings Gerrit-Project: Impala-ASF Gerrit-Branch: master Gerrit-MessageType: comment Gerrit-Change-Id: If1fc78790d778c874f5aafa5958c3c045a88d233 Gerrit-Change-Number: 8146 Gerrit-PatchSet: 11 Gerrit-Owner: Tim Armstrong <tarmstr...@cloudera.com> Gerrit-Reviewer: Michael Ho <k...@cloudera.com> Gerrit-Reviewer: Thomas Tauber-Marshall <tmarsh...@cloudera.com> Gerrit-Reviewer: Tim Armstrong <tarmstr...@cloudera.com> Gerrit-Comment-Date: Tue, 24 Oct 2017 00:10:55 +0000 Gerrit-HasComments: Yes
