From: Jens Axboe <axboe@suse.de>
To: Con Kolivas <conman@kolivas.net>
Cc: Andrew Morton <akpm@digeo.com>, linux-kernel@vger.kernel.org
Subject: Re: [BENCHMARK] 2.5.39-mm1
Date: Tue, 1 Oct 2002 12:16:25 +0200 [thread overview]
Message-ID: <20021001101625.GC20878@suse.de> (raw)
In-Reply-To: <1033418211.3d98b5e347574@kolivas.net>
On Tue, Oct 01 2002, Con Kolivas wrote:
> > > io_load:
> > > Kernel Time CPU Ratio
> > > 2.4.19 216.05 33% 3.19
> > > 2.5.38 887.76 8% 13.11
> > > 2.5.38-mm3 105.17 70% 1.55
> > > 2.5.39 229.4 34% 3.4
> > > 2.5.39-mm1 239.5 33% 3.4
> >
> > I think I'll set fifo_batch to 16 again...
> >
>
> And I'll happily benchmark it when you do.
Just take 2.5.39-mm1 sources, edit drivers/block/deadline-iosched.c and
set
static int fifo_batch = 16;
instead of the 32. -mm has them in sysctl too, iirc.
--
Jens Axboe
next prev parent reply other threads:[~2002-10-01 10:11 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-09-30 9:41 [BENCHMARK] 2.5.39-mm1 Con Kolivas
2002-09-30 19:36 ` Andrew Morton
2002-09-30 20:36 ` Con Kolivas
2002-10-01 10:16 ` Jens Axboe [this message]
2002-10-01 10:15 ` Jens Axboe
[not found] ` <3D9976D9.C06466B@digeo.com>
2002-10-01 12:19 ` Con Kolivas
2002-10-01 12:30 ` Jens Axboe
2002-10-01 13:44 ` Con Kolivas
2002-10-01 15:49 ` Jens Axboe
2002-10-01 23:41 ` jw schultz
[not found] ` <5.1.0.14.2.20021001190123.00b3cdc8@pop.gmx.net>
[not found] ` <20021001172200.GH5755@suse.de>
2002-10-02 2:55 ` Con Kolivas
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