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Dimitri Vorona commented on ARROW-3051: --------------------------------------- In that case copy-elision won't work either [http://cpp.sh/3x25h] . Even worse: while using const reference with temporary gives a correct behaviour, it disables RVO, since it isn't specified to work on references (see returnNoisy[2-4]). > [C++] Status performance optimization from Impala/Kudu > ------------------------------------------------------ > > Key: ARROW-3051 > URL: https://issues.apache.org/jira/browse/ARROW-3051 > Project: Apache Arrow > Issue Type: Improvement > Components: C++ > Reporter: Wes McKinney > Priority: Major > Fix For: 0.11.0 > > > Just saw this patch, worth investigating: > https://github.com/apache/impala/commit/ea615d1d8026dbe1cda3f5c2b048d210b2df435b -- This message was sent by Atlassian JIRA (v7.6.3#76005)