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Re: First set of OSDL Shared Mem scalability results,

From: "Steinar H(dot) Gunderson" <sgunderson(at)bigfoot(dot)com>
To: pgsql-performance(at)postgresql(dot)org
Subject: Re: First set of OSDL Shared Mem scalability results,
Date: 2004-10-08 22:39:45
Message-ID: 20041008223945.GA15067@uio.no (view raw or flat)
Thread:
Lists: pgsql-hackerspgsql-performance
On Fri, Oct 08, 2004 at 06:32:32PM -0400, Tom Lane wrote:
> This does raise a question for Josh though, which is "where's the
> oprofile results?"  If we do have major problems at the level of cache
> misses then oprofile would be able to prove it.

Or cachegrind. I've found it to be really effective at pinpointing cache
misses in the past (one CPU-intensive routine was sped up by 30% just by
avoiding a memory clear). :-)

/* Steinar */
-- 
Homepage: http://www.sesse.net/

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