From: Andrew Morton <akpm@digeo.com>
To: andersen@codepoet.org
Cc: Con Kolivas <conman@kolivas.net>, Ingo Molnar <mingo@elte.hu>,
linux-kernel@vger.kernel.org
Subject: Re: [BENCHMARK] Corrected gcc3.2 v gcc2.95.3 contest results
Date: Mon, 23 Sep 2002 11:24:01 -0700 [thread overview]
Message-ID: <3D8F5C41.35EBE979@digeo.com> (raw)
In-Reply-To: 20020923124730.GA7556@codepoet.org
Erik Andersen wrote:
>
> On Mon Sep 23, 2002 at 08:30:21PM +1000, Con Kolivas wrote:
> > Yes you make a very valid point and something I've been stewing over privately
> > for some time. contest runs benchmarks in a fixed order with a "priming" compile
> > to try and get pagecaches etc back to some sort of baseline (I've been trying
> > hard to make the results accurate and repeatable).
>
> It would sure be nice for this sortof test if there were
> some sort of a "flush-all-caches" syscall...
>
Yes, it would be nice.
Unmounting and remounting the test filesystem is usually
sufficient. Or you can run
main()
{
memset(malloc(1024*1024*1024), 0, 1024*1024*1024);
}
a couple of times.
next prev parent reply other threads:[~2002-09-23 18:31 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-09-23 6:55 [BENCHMARK] Corrected gcc3.2 v gcc2.95.3 contest results Con Kolivas
2002-09-23 7:49 ` Ingo Molnar
2002-09-23 10:30 ` Con Kolivas
2002-09-23 11:03 ` jw schultz
2002-09-23 12:47 ` Erik Andersen
2002-09-23 13:00 ` Con Kolivas
2002-09-23 13:15 ` Richard B. Johnson
2002-09-23 13:35 ` Ingo Molnar
2002-09-23 14:09 ` Richard B. Johnson
2002-09-23 18:24 ` Andrew Morton [this message]
2002-09-23 14:02 ` Ryan Anderson
2002-09-23 14:15 ` Richard B. Johnson
2002-09-23 14:24 ` Con Kolivas
2002-09-23 14:34 ` Jakub Jelinek
2002-09-23 16:03 ` Måns Rullgård
2002-09-23 14:43 ` Richard B. Johnson
2002-09-24 21:30 ` Bill Davidsen
2002-09-23 16:34 ` Oliver Xymoron
2002-09-23 21:47 ` Con Kolivas
2002-09-24 1:12 ` jw schultz
2002-09-24 9:18 ` Jan Hudec
2002-09-23 14:26 ` Ingo Molnar
2002-09-23 14:36 ` Con Kolivas
2002-09-24 21:27 ` Bill Davidsen
[not found] <Pine.LNX.4.33.0209232236070.27095-100000@coffee.psychology.mcmaster.ca>
2002-09-24 2:45 ` Con Kolivas
2002-09-24 3:01 ` Andrew Morton
2002-09-24 9:34 ` Jan Hudec
2002-09-24 13:45 ` Denis Vlasenko
2002-09-24 9:26 ` Con Kolivas
2002-09-24 14:19 ` Denis Vlasenko
2002-09-24 15:47 ` Mark Hahn
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