From: Nick Piggin <piggin@cyberone.com.au>
To: Jesse Barnes <jbarnes@engr.sgi.com>
Cc: "Martin J. Bligh" <mbligh@aracnet.com>,
Andrew Morton <akpm@osdl.org>,
linux-kernel <linux-kernel@vger.kernel.org>
Subject: Re: Performance of -mm2 and -mm4
Date: Tue, 24 Aug 2004 10:41:17 +1000 [thread overview]
Message-ID: <412A8EAD.3060907@cyberone.com.au> (raw)
In-Reply-To: <200408231431.25986.jbarnes@engr.sgi.com>
Jesse Barnes wrote:
>On Monday, August 23, 2004 9:58 am, Martin J. Bligh wrote:
>
>>The -mm4 looks more like sched stuff to me (copy_to/from_user, etc),
>>but the -mm2 stuff looks like something else. Buggered if I know what.
>>-mm3 didn't compile cleanly, so I didn't bother, but I prob can if you
>>like.
>>
>
>If you suspect the scheduler, you could try bumping SD_NODES_PER_DOMAIN in
>kernel/sched.c to a larger value (e.g. the number of nodes in your system).
>That'll make the scheduler balance more aggressively across the whole system.
>
>
Try increasing /proc/sys/kernel/base_timeslice as well.
next prev parent reply other threads:[~2004-08-24 0:52 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-08-23 16:58 Performance of -mm2 and -mm4 Martin J. Bligh
2004-08-23 21:31 ` Jesse Barnes
2004-08-24 0:41 ` Nick Piggin [this message]
2004-08-24 1:29 ` Con Kolivas
2004-08-25 22:29 ` Martin J. Bligh
2004-08-24 3:23 ` Nick Piggin
2004-08-24 3:26 ` Martin J. Bligh
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=412A8EAD.3060907@cyberone.com.au \
--to=piggin@cyberone.com.au \
--cc=akpm@osdl.org \
--cc=jbarnes@engr.sgi.com \
--cc=linux-kernel@vger.kernel.org \
--cc=mbligh@aracnet.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox