From: Srivatsa Vaddagiri <vatsa@in.ibm.com>
To: Ingo Molnar <mingo@elte.hu>
Cc: linux-kernel@vger.kernel.org,
Linus Torvalds <torvalds@linux-foundation.org>,
Andrew Morton <akpm@linux-foundation.org>,
Con Kolivas <kernel@kolivas.org>, Nick Piggin <npiggin@suse.de>,
Mike Galbraith <efault@gmx.de>,
Arjan van de Ven <arjan@infradead.org>,
Peter Williams <pwil3058@bigpond.net.au>,
Thomas Gleixner <tglx@linutronix.de>,
caglar@pardus.org.tr, Willy Tarreau <w@1wt.eu>,
Gene Heskett <gene.heskett@gmail.com>, Mark Lord <lkml@rtr.ca>,
Zach Carter <linux@zachcarter.com>,
buddabrod <buddabrod@gmail.com>
Subject: Re: [patch] CFS scheduler, -v6
Date: Sat, 28 Apr 2007 20:58:02 +0530 [thread overview]
Message-ID: <20070428152802.GA10179@in.ibm.com> (raw)
In-Reply-To: <20070428152327.GE14716@in.ibm.com>
On Sat, Apr 28, 2007 at 08:53:27PM +0530, Srivatsa Vaddagiri wrote:
> With the patch below applied, I ran a "time -p make -s -j10 bzImage"
> test.
On a 4CPU (accounting HT) Intel Xeon 3.6GHz box
>
> 2.6.20 + cfs-v6 -> 186.45 (real)
> 2.6.20 + cfs-v6 + this_patch -> 184.55 (real)
>
> or about ~1% improvement in real wall-clock time. This was with the default
> sched_granularity_ns of 6000000. I suspect larger the value of
> sched_granularity_ns and the number of (SCHED_NORMAL) tasks in system, better
> the benefit from this caching.
--
Regards,
vatsa
next prev parent reply other threads:[~2007-04-28 15:20 UTC|newest]
Thread overview: 89+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-04-25 21:47 [patch] CFS scheduler, -v6 Ingo Molnar
2007-04-26 2:14 ` Gene Heskett
2007-04-26 3:29 ` Nick Piggin
2007-04-26 3:49 ` Andrew Morton
2007-04-26 4:16 ` William Lee Irwin III
2007-04-26 8:27 ` Ingo Molnar
2007-04-26 9:18 ` Ingo Molnar
2007-04-26 14:06 ` Redeeman
2007-04-26 14:41 ` Gene Heskett
2007-04-26 20:09 ` Kasper Sandberg
2007-04-26 21:21 ` Gene Heskett
2007-04-27 4:02 ` Mike Galbraith
2007-04-27 6:01 ` Mike Galbraith
2007-04-27 11:53 ` Ingo Molnar
2007-04-27 11:55 ` Ingo Molnar
2007-04-27 13:39 ` Thomas Gleixner
2007-04-27 13:41 ` Ingo Molnar
2007-04-27 13:44 ` Thomas Gleixner
2007-04-28 15:35 ` Kasper Sandberg
2007-04-28 20:45 ` Lee Revell
2007-04-29 1:18 ` Kasper Sandberg
2007-04-29 5:30 ` Willy Tarreau
2007-04-29 6:45 ` Mike Galbraith
2007-04-29 6:59 ` Ingo Molnar
2007-04-29 7:16 ` Willy Tarreau
2007-04-29 7:30 ` Ingo Molnar
2007-04-29 7:38 ` Willy Tarreau
2007-04-29 8:00 ` Ingo Molnar
2007-04-29 8:02 ` Willy Tarreau
2007-04-29 9:52 ` Con Kolivas
2007-04-29 10:19 ` Mike Galbraith
2007-04-29 7:54 ` William Lee Irwin III
2007-04-29 8:03 ` Ingo Molnar
2007-04-29 8:16 ` William Lee Irwin III
2007-04-29 8:13 ` Willy Tarreau
2007-04-29 8:58 ` William Lee Irwin III
2007-04-29 8:11 ` Mike Galbraith
2007-04-29 10:30 ` Thomas Gleixner
2007-04-29 10:33 ` William Lee Irwin III
2007-04-29 10:48 ` Kasper Sandberg
2007-04-29 11:25 ` Thomas Gleixner
2007-04-29 10:53 ` Con Kolivas
2007-04-29 11:11 ` Bill Huey
2007-04-29 11:50 ` Thomas Gleixner
2007-04-29 11:11 ` Willy Tarreau
2007-04-29 11:46 ` Con Kolivas
2007-04-29 12:09 ` Paolo Ciarrocchi
2007-04-29 15:39 ` Gene Heskett
2007-04-29 11:59 ` Thomas Gleixner
2007-04-29 12:25 ` Willy Tarreau
2007-04-29 12:00 ` Kasper Sandberg
2007-04-29 12:13 ` Thomas Gleixner
2007-04-29 12:21 ` Kasper Sandberg
2007-04-29 12:55 ` William Lee Irwin III
2007-04-29 13:37 ` Thomas Gleixner
2007-05-01 7:55 ` Nick Piggin
2007-05-01 13:00 ` William Lee Irwin III
2007-04-29 20:30 ` Mark Lord
2007-04-29 15:28 ` Gene Heskett
2007-04-29 7:59 ` Kasper Sandberg
2007-04-29 8:05 ` Ingo Molnar
2007-04-29 15:42 ` Ray Lee
2007-04-29 17:09 ` Kasper Sandberg
2007-04-29 6:47 ` Ingo Molnar
[not found] ` <20070429170908.GA31417@elte.hu>
[not found] ` <20070429173902.GA4349@elte.hu>
2007-04-30 17:45 ` 3d smoothness (was: Re: [patch] CFS scheduler, -v6) Kasper Sandberg
2007-04-30 20:17 ` Ingo Molnar
2007-04-30 20:44 ` Kasper Sandberg
2007-04-27 12:52 ` [patch] CFS scheduler, -v6 William Lee Irwin III
2007-04-27 13:02 ` Ingo Molnar
2007-04-27 21:16 ` Lee Revell
2007-04-26 22:48 ` Con Kolivas
2007-04-27 0:39 ` Gene Heskett
2007-04-27 0:57 ` Con Kolivas
2007-04-27 1:03 ` Gene Heskett
2007-04-27 20:54 ` Bill Davidsen
2007-04-26 16:05 ` Mike Galbraith
2007-04-26 19:27 ` Thomas Gleixner
2007-04-26 19:35 ` Ingo Molnar
2007-04-26 19:42 ` Thomas Gleixner
2007-04-26 20:11 ` Ingo Molnar
2007-04-27 13:19 ` Mark Lord
2007-04-27 13:22 ` Mark Lord
2007-04-27 13:45 ` Ingo Molnar
2007-04-28 12:45 ` Srivatsa Vaddagiri
2007-04-28 13:53 ` Ingo Molnar
2007-04-28 15:23 ` Srivatsa Vaddagiri
2007-04-28 15:22 ` Ingo Molnar
2007-04-28 15:28 ` Srivatsa Vaddagiri [this message]
-- strict thread matches above, loose matches on Subject: below --
2007-04-27 21:59 Art Haas
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