On Sat, 2020-07-25 at 15:08 -0700, Peter Geoghegan wrote: > I find that Andres original "SELECT cat, count(*) FROM > fewgroups_many_rows GROUP BY 1;" test case is noticeably improved by > the patch. Without the patch, v13 takes ~11.46 seconds. With the > patch, it takes only ~10.64 seconds.
I saw less of an improvement than you or Andres (perhaps just more noise). But given that both you and Andres are reporting a measurable improvement, then I went ahead and committed it. Thank you. Regards, Jeff Davis