| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Gregory Stark <stark(at)enterprisedb(dot)com> |
| Cc: | "Guillaume Smet" <guillaume(dot)smet(at)gmail(dot)com>, "PostgreSQL-development" <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: 8.3devel slower than 8.2 under read-only load |
| Date: | 2007-11-22 16:00:32 |
| Message-ID: | 8394.1195747232@sss.pgh.pa.us |
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| Lists: | pgsql-hackers |
Gregory Stark <stark(at)enterprisedb(dot)com> writes:
> "Tom Lane" <tgl(at)sss(dot)pgh(dot)pa(dot)us> writes:
>> The weird thing is that after a couple of hours of poking at it with
>> oprofile and other sharp objects, I have no idea *why* it's slower.
>> oprofile shows just about the same relative percentages for all the
>> hot-spot functions in the backend.
> Out of curiosity have you recompiled 8.2.5 recently? That is, are they
> compiled with the same version of gcc?
CVS tip of both branches, freshly compiled for this test.
regards, tom lane
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