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Antoine Pitrou commented on ARROW-3055: --------------------------------------- If there is a particular workload we want to optimize, I think experimenting with an unrolled version of `ArrayDataVisitor` might be a more promising track. > [C++] Use byte pop counts to bypass bit checking in some cases in > BitmapReader classes > -------------------------------------------------------------------------------------- > > Key: ARROW-3055 > URL: https://issues.apache.org/jira/browse/ARROW-3055 > Project: Apache Arrow > Issue Type: Improvement > Components: C++ > Reporter: Wes McKinney > Priority: Major > > When performing a scan of a bitmap, skipping bit checking math could improve > performance, but we would need to investigate -- This message was sent by Atlassian JIRA (v7.6.3#76005)