On Mon, Sep 11, 2017 at 8:17 AM, Tomas Vondra
<tomas.vondra@2ndquadrant.com> wrote:
> Overall I think the results show quite significant positive impact of
> the patch. There are a few cases of regression, but ISTM those may
> easily be noise as it's usually 0.03 vs 0.04 second, or something. I'll
> switch to the \timing (instead of /usr/bin/time) to get more accurate
> results, and rerun those tests.
I'm glad to hear it. While I'm not surprised, I still don't consider
the patch to be a performance enhancement. It is intended to lower the
complexity of tuplesort.c, and the overall performance improvement is
just a bonus IMV.
--
Peter Geoghegan
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