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Date:      Wed, 24 Oct 2007 09:25:53 +0800
From:      David Xu <davidxu@FreeBSD.org>
To:        Kris Kennaway <kris@FreeBSD.org>
Cc:        josh.carroll@gmail.com, remy.nonnenmacher@activnetworks.com, freebsd-performance@FreeBSD.org
Subject:   Re: ULE vs. 4BSD in RELENG_7
Message-ID:  <471E9F21.7090902@freebsd.org>
In-Reply-To: <471E343C.2040509@FreeBSD.org>
References:  <8cb6106e0710230902x4edf2c8eu2d912d5de1f5d4a2@mail.gmail.com> <471E343C.2040509@FreeBSD.org>

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Kris Kennaway wrote:

> One major difference is that your workload is 100% user.  Also you were 
> reporting ULE had more idle time, which looks like a bug since I would 
> expect it be basically 0% idle on such a workload.
> 
> Kris
>
We can not ignore this performance bug, also I had found that ULE is
slower than 4BSD when testing super-smack's update benchmark on my
dual-core machine.

Regards,
David Xu




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