From: Nick Piggin <piggin@cyberone.com.au>
To: Andrew Morton <akpm@osdl.org>
Cc: linux-mm@kvack.org
Subject: Re: vm benchmarking
Date: Wed, 25 Feb 2004 21:20:08 +1100 [thread overview]
Message-ID: <403C76D8.3000302@cyberone.com.au> (raw)
In-Reply-To: <20040224034036.22953169.akpm@osdl.org>
Andrew Morton wrote:
>I took the various patches in -mm for a quick ride. Dual CPU, mem=64m,
>`time make -j4 vmlinux':
>
>
>2.4.25 2:57.34 2:45.62
>
>up to blk_congestion_wait-return-remaining 5:41.52 5:56.37
>up to vmscan-remove-priority
>up to kswapd-throttling-fixes 7:44.53
>up to vm-dont-rotate-active-list 6:29.23
>up to vm-dont-rotate-active-list-padding
>up to vm-lru-info 9:28.47 6:14.70 5:11.99
>up to vm-shrink-zone
>up to vm-shrink-zone-div-by-0-fix 9:13.21 8:17.29
>up to vm-tune-throttle 7:39.89
>up to shrink_slab-for-all-zones 7:06.27
>up to zone-balancing-fix 7:46.15
>up to zone-balancing-batching
>up to zone-balancing-batching-fix 4:44.76 4:27.02 4:05.56 4:31.66 4:06.76
>
>
>Based on this, and on your totally contradictory benchmarking, all I'm
>prepared to say is that kswapd-throttling-fixes slows things down, and we
>don't know why. The rest appears to be worth zilch. Possibly they slow
>some things down as much as they speed other things up.
>
>
My machine doesn't touch swap at make -j4 with mem=64m. It is
dual CPU with a SMP kernel but I was using maxcpus=1.
It compiles 2.4.21 with gcc-3.3.3 I think (I can tell you when I
get home).
I can't explain your results. Maybe you have other stuff running.
--
To unsubscribe, send a message with 'unsubscribe linux-mm' in
the body to majordomo@kvack.org. For more info on Linux MM,
see: http://www.linux-mm.org/ .
Don't email: <a href=mailto:"aart@kvack.org"> aart@kvack.org </a>
next prev parent reply other threads:[~2004-02-25 10:20 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-02-24 11:40 Andrew Morton
2004-02-24 12:01 ` Nikita Danilov
2004-02-24 12:07 ` Andrew Morton
2004-02-25 10:20 ` Nick Piggin [this message]
2004-02-24 23:43 ` Andrew Morton
2004-02-25 10:50 ` Nick Piggin
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=403C76D8.3000302@cyberone.com.au \
--to=piggin@cyberone.com.au \
--cc=akpm@osdl.org \
--cc=linux-mm@kvack.org \
/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