zhuqi-lucas commented on PR #15380: URL: https://github.com/apache/datafusion/pull/15380#issuecomment-2896831639
> Looking at the earlier result > > > │ Q1 │ 333.47ms │ 375.58ms │ 1.13x slower │ > > This is the query > > ``` > SELECT l_linenumber, l_partkey > FROM lineitem > ORDER BY l_linenumber > ``` > > So it might actually be the case that the changed code is a bit slower for this case. In the query there is only little data to copy (so concat batches -> concat sort keys doesn't help that much) while maybe the overhead of using interleave_batches is higher 🤔 Yeah @Dandandan , even the latest result, it still has regression about Q1. -- 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. To unsubscribe, e-mail: github-unsubscr...@datafusion.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: github-unsubscr...@datafusion.apache.org For additional commands, e-mail: github-h...@datafusion.apache.org