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Re: PG15 beta1 sort performance regression due to Generation context change - Mailing list pgsql-hackers

From David Rowley
Subject Re: PG15 beta1 sort performance regression due to Generation context change
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Msg-id CAApHDvrygSupkywcFkTUKEvcpv6OJPYYMbxynd7JKCxFG-9fmw@mail.gmail.com
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In response to Re: PG15 beta1 sort performance regression due to Generation context change  (Peter Geoghegan <pg@bowt.ie>)
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On Tue, 31 May 2022 at 09:48, Peter Geoghegan <pg@bowt.ie> wrote:
> Shouldn't this be using the geometric mean rather than the arithmetic
> mean? That's pretty standard practice when summarizing a set of
> benchmark results that are expressed as ratios to some baseline.

Maybe just comparing the SUM of the seconds of each version is the
best way.  That comes out to 86.6%

David

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