Re: [kris@obsecurity.org: Progress on scaling of FreeBSD on 8 CPU systems]

From: Stefan Kaltenbrunner <stefan(at)kaltenbrunner(dot)cc>
To: Arjen van der Meijden <acmmailing(at)tweakers(dot)net>
Cc: pgsql-performance(at)postgresql(dot)org
Subject: Re: [kris@obsecurity.org: Progress on scaling of FreeBSD on 8 CPU systems]
Date: 2007-03-05 20:17:07
Message-ID: 45EC7AC3.2030408@kaltenbrunner.cc
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Arjen van der Meijden wrote:
> Stefan Kaltenbrunner wrote:
>> ouch - do I read that right that even after tom's fixes for the
>> "regressions" in 8.2.0 we are still 30% slower then the -HEAD checkout
>> from the middle of the 8.2 development cycle ?
>
> Yes, and although I tested about 17 different cvs-checkouts, Tom and I
> weren't really able to figure out where "it" happened. So its a bit of a
> mystery why the performance is so much worse.

double ouch - losing that much in performance without an idea WHY it
happened is really unfortunate :-(

Stefan

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