From: Cliff White <cliffw@osdl.org>
To: Andrew Morton <akpm@osdl.org>
Cc: cliff white <cliffw@osdl.org>,
linux-kernel@vger.kernel.org, cliffw@osdl.org
Subject: Re: reaim - 2.6.3-mm1 IO performance down.
Date: Wed, 25 Feb 2004 15:36:51 -0800 [thread overview]
Message-ID: <200402252336.i1PNape32490@mail.osdl.org> (raw)
In-Reply-To: Your message of "Tue, 24 Feb 2004 17:03:37 PST." <20040224170337.798f5766.akpm@osdl.org>
> cliff white <cliffw@osdl.org> wrote:
> >
> > For the same test on the same machine, results from 2.6.2-rc1-mm2 and 2.6.2
> -rc3-mm1
> > were within 1.0% of the linux-2.6.2 runs. So this is new.
> >
> > More data and tests if requested - are there some patch sets we should try
> reverting?
>
> Thanks. You could try reverting adaptive-lazy-readahead.patch. If it is
> not that I'd be suspecting CPU scheduler changes. Do you have uniprocessor
> test results?
adaptive-lazy-readahead reverted, not really much change here:
Kernel Users JPM Run Time
2.6.3 60 10327.87 34.16 seconds
2.6.3-mm1 60 8279.75 42.61 seconds
2.6.3-mm1-noalr 60 7731.76 45.63 seconds
2.6.3 80 10275.23 45.78 seconds
2.6.3-mm1 80 7841.31 59.99 seconds
2.6.3-mm1-noalr 80 8565.19 54.92 seconds
Full details, reaim tarball:
http://developer.osdl.org/cliffw
cliffw
>
>
> -
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next prev parent reply other threads:[~2004-02-25 23:42 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-02-25 0:20 cliff white
2004-02-25 1:03 ` Andrew Morton
2004-02-25 17:40 ` Cliff White
2004-02-25 19:16 ` Andrew Morton
2004-02-25 20:52 ` Cliff White
2004-02-25 23:36 ` Cliff White [this message]
2004-02-25 2:00 Con Kolivas
2004-02-25 3:31 ` Nick Piggin
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