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Date:      Wed, 10 May 2006 08:24:45 -0600
From:      Scott Long <scottl@samsco.org>
To:        Sven Petai <hadara@bsd.ee>
Cc:        Julian Elischer <julian@elischer.org>, freebsd-performance@freebsd.org, current@freebsd.org, David Xu <davidxu@freebsd.org>, Kris Kennaway <kris@obsecurity.org>
Subject:   Re: Fine-grained locking for POSIX local sockets (UNIX domain sockets )
Message-ID:  <4461F7AD.3000705@samsco.org>
In-Reply-To: <200605101050.49888.hadara@bsd.ee>
References:  <20060506150622.C17611@fledge.watson.org> <200605100418.54475.hadara@bsd.ee> <4461441E.60304@samsco.org> <200605101050.49888.hadara@bsd.ee>

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Sven Petai wrote:
> On Wednesday 10 May 2006 04:38, Scott Long wrote:
> 
>>Were you testing on SMP, and if so, was Hyperthreading enabled?
>>
> 
> 
> I tested it on 3 amd64 machines, so no hyperthreading possible.
> 
> The library preload hack was tested on:
>  1 * dualcore amd X2
>  4 * dualcore opteron
> 
> Hacked mysqld that used TSC was tested on UP amd64 box,
> with powernow disabled, so that tsc would be usable.

That is very puzzling.

Scott




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