From: Andrew Morton <akpm@osdl.org>
To: cliff white <cliffw@osdl.org>
Cc: linux-kernel@vger.kernel.org
Subject: Re: Recent Reaim results
Date: Mon, 8 Mar 2004 14:40:50 -0800 [thread overview]
Message-ID: <20040308144050.1fe5976a.akpm@osdl.org> (raw)
In-Reply-To: <20040308083433.67485899.cliffw@osdl.org>
cliff white <cliffw@osdl.org> wrote:
>
>
> Test results from the OSDL reaim test.
> The -mm kernels now appear to be scaling a bit nice.
> I dunno why, but the 8-ways like -mm2 :)
I think your'e playing with my mind.
> The is the 'database' load, a mixture of IO and CPU activity.
What about file server load?
> 4-CPU ( all AS )
> linux-2.6.3 5313.36 0.0
> 2.6.4-rc1 5218.87 -1.78
> 2.6.4-rc1-mm2 5391.00 1.46
I spent a boring evening with the file server load on 4-way x86 with six
disks. If I squinted at it hard enough I was able to discern a 1% slowdown
due to O_DIRECT-vs-buffered-fix.patch, but it was pretty thin.
I didn't test the database load.
next prev parent reply other threads:[~2004-03-08 22:38 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-03-08 16:34 cliff white
2004-03-08 22:40 ` Andrew Morton [this message]
2004-03-09 17:17 ` cliff white
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