| 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 |
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| Lists: | pgsql-hackers pgsql-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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