Re: 8.3devel slower than 8.2 under read-only load - Mailing list pgsql-hackers

From Tom Lane
Subject Re: 8.3devel slower than 8.2 under read-only load
Date
Msg-id 8394.1195747232@sss.pgh.pa.us
Whole thread Raw
In response to Re: 8.3devel slower than 8.2 under read-only load  (Gregory Stark <stark@enterprisedb.com>)
Responses Re: 8.3devel slower than 8.2 under read-only load  ("Guillaume Smet" <guillaume.smet@gmail.com>)
List pgsql-hackers
Gregory Stark <stark@enterprisedb.com> writes:
> "Tom Lane" <tgl@sss.pgh.pa.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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