cyb70289 opened a new pull request #7963: URL: https://github.com/apache/arrow/pull/7963
For small integers(bool, int8, uint8), instead of general hash table, using a value indexed array improves performance about 2x ~ 6x. Get another 15% improvement by reading array raw_values[] directly. ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: [email protected]
