From: Mike Fedyk <mfedyk@matchmail.com>
To: Davide Libenzi <davidel@xmailserver.org>
Cc: Ingo Molnar <mingo@elte.hu>, lkml <linux-kernel@vger.kernel.org>
Subject: Re: [patch] scheduler cache affinity improvement for 2.4 kernels
Date: Thu, 8 Nov 2001 18:08:18 -0800 [thread overview]
Message-ID: <20011108180818.A23814@mikef-linux.matchmail.com> (raw)
In-Reply-To: <20011108173458.C14468@mikef-linux.matchmail.com> <Pine.LNX.4.40.0111081752260.1501-100000@blue1.dev.mcafeelabs.com>
In-Reply-To: <Pine.LNX.4.40.0111081752260.1501-100000@blue1.dev.mcafeelabs.com>
On Thu, Nov 08, 2001 at 06:09:29PM -0800, Davide Libenzi wrote:
> On Thu, 8 Nov 2001, Mike Fedyk wrote:
>
> > > The MQ scheduler has the same roots of the proposed one but has a longest
> > > fast path due the try to make global scheduling decisions at every
> > > schedule.
> >
> > Ahh, so that's why it hasn't been adopted...
>
> Changing the scheduler is not easy ( not to code patches but to make
> everyone agree on the need of changing it ) and as i already said, it's
> easier to force my cat to have a bath instead of Linus to change the
> scheduler :)
>
Hmm, let's see... You go to the trouble to keep to code tight, and cache
optimized, even raid5 is choosing a little slower implementation for better
cache properties, and then you go and kill it all with the scheduler...
Yep, that makes sence. ;)
Mike
next prev parent reply other threads:[~2001-11-09 2:08 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-11-08 14:30 Ingo Molnar
2001-11-08 15:22 ` M. Edward Borasky
2001-11-08 16:33 ` Ingo Molnar
2001-11-08 17:15 ` Davide Libenzi
2001-11-08 18:27 ` Ingo Molnar
2001-11-08 18:03 ` Davide Libenzi
2001-11-08 19:40 ` Ingo Molnar
2001-11-08 19:13 ` Davide Libenzi
2001-11-08 23:37 ` Mike Fedyk
2001-11-09 0:37 ` Davide Libenzi
2001-11-09 1:07 ` Mike Fedyk
2001-11-09 1:29 ` Davide Libenzi
2001-11-09 1:34 ` Mike Fedyk
2001-11-09 2:09 ` Davide Libenzi
2001-11-09 2:08 ` Mike Fedyk [this message]
2001-11-19 18:34 ` bill davidsen
2001-11-09 8:28 ` Ingo Molnar
2001-11-09 8:05 ` Mike Fedyk
2001-11-11 21:18 ` Davide Libenzi
2001-11-11 22:31 ` Davide Libenzi
2001-11-08 23:46 ` Andrea Arcangeli
2001-11-09 0:31 ` Davide Libenzi
2001-11-14 4:56 ` Mike Kravetz
2001-11-14 18:08 ` Davide Libenzi
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