Subject: Re: NetBSD 2 vs the rest with MySQL
To: Jason Thorpe <thorpej@shagadelic.org>
From: James Chacon <jmc@NetBSD.org>
List: tech-perform
Date: 02/10/2005 01:28:49
On Wed, Feb 09, 2005 at 01:20:38PM -0800, Jason Thorpe wrote:
> 
> On Feb 9, 2005, at 11:48 AM, Frank van der Linden wrote:
> 
> >On Thu, Feb 10, 2005 at 08:38:36AM +1300, Joel Macklow wrote:
> >>We do really well with the select-key test on a single CPU.  Any
> >>comments regarding the other tests from those who know? This is the 
> >>kind
> >>of info the advocacy group needs - as long as we look good in it ;)
> >
> >Hm.. is this a threaded test? It looks like it. If so, the lack of
> >PTHREAD_CONCURRENCY > 1 explains the crappy 2-CPU results.
> 
> I would definitely suggest to the author of the article to increase 
> PTHREAD_CONCURRENCY for his tests and run them again.

Is there any reason the current system doesn't auto adapt to # cpus for
default concurrency? Seems very non-intuitive to have to do this manually..

James