[ https://issues.apache.org/jira/browse/PARQUET-1786?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Antoine Pitrou resolved PARQUET-1786. ------------------------------------- Fix Version/s: cpp-1.6.0 Resolution: Fixed Issue resolved by pull request 6679 [https://github.com/apache/arrow/pull/6679] > [C++] Use simd to improve BYTE_STREAM_SPLIT encoding performance > ---------------------------------------------------------------- > > Key: PARQUET-1786 > URL: https://issues.apache.org/jira/browse/PARQUET-1786 > Project: Parquet > Issue Type: Improvement > Reporter: Martin Radev > Assignee: Martin Radev > Priority: Minor > Labels: pull-request-available > Fix For: cpp-1.6.0 > > Time Spent: 7h > Remaining Estimate: 0h > > BYTE_STREAM_SPLIT essentially does a scatter/gather operation in the > encode/decoder paths. Unfortunately, it is not as fast as memcpy when the > data is cached. That can be improved through using simd intrinsics. -- This message was sent by Atlassian Jira (v8.3.4#803005)