Excerpts from Josh Kupershmidt's message of mar sep 28 23:53:33 -0400 2010:
> I started looking at the performance impact of this patch based on
> Leonardo's SQL file. On the 2 million row table, I see a consistent
> ~10% advantage for the sequential scan clusters. I'm going to try to
> run the bigger tests a few times and post results from there when I
> get a chance.
10% is nothing. I was expecting this patch would give an order of
magnitude of improvement or somethine like that in the worst cases of
the current code (highly unsorted input)
--
Álvaro Herrera <alvherre@commandprompt.com>
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