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Date: Mon, 23 Jul 2007 22:16:42 +0200
From: Jeremie Le Hen <jeremie@le-hen.org>
To: Jeff Roberson <jroberson@chesapeake.net>
Message-ID: <20070723201642.GC96643@obiwan.tataz.chchile.org>
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Cc: cvs-src@FreeBSD.org, src-committers@FreeBSD.org, cvs-all@FreeBSD.org
Subject: Re: cvs commit: src/sys/kern kern_descrip.c
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Hi Jeff,

On Tue, Jul 03, 2007 at 02:27:51PM -0700, Jeff Roberson wrote:
>  For the curious, these last two patches make a substantial improvement to 
>  mysql write performance on my 8way opteron:
> 
>  http://people.freebsd.org/~jeff/mysqlwrite.png
> 
>  The green line is without and the blue line is with.

Just for information, do you have any hint why Linux eventually
performs better above 18 threads?

Thank you for your work.
Best regards,
-- 
Jeremie Le Hen
< jeremie at le-hen dot org >< ttz at chchile dot org >