From: buhr@stat.wisc.edu (Kevin Buhr)
To: "David S. Miller" <davem@redhat.com>
Cc: Linus Torvalds <torvalds@transmeta.com>,
Serge Orlov <sorlov@con.mcst.ru>, <linux-kernel@vger.kernel.org>,
Jakob Østergaard <jakob@unthought.net>
Subject: Re: Linux 2.4.2 fails to merge mmap areas, 700% slowdown.
Date: 21 Mar 2001 14:19:13 -0600 [thread overview]
Message-ID: <vbay9ty50zi.fsf@mozart.stat.wisc.edu> (raw)
In-Reply-To: <Pine.LNX.4.31.0103201042360.1990-100000@penguin.transmeta.com> <vba1yrr7w9v.fsf@mozart.stat.wisc.edu> <15032.1585.623431.370770@pizda.ninka.net>
In-Reply-To: "David S. Miller"'s message of "Tue, 20 Mar 2001 17:38:57 -0800 (PST)"
"David S. Miller" <davem@redhat.com> writes:
>
> It is the garbage collector scheme used for memory allocation in gcc
> >=2.96 that triggers the bad cases seen by Serge.
Ahhh! Thanks for the info.
I'm still happy to help test out the patch, but I guess it's not
likely to affect my 2.95.2 numbers much at all. Maybe I can get a
snapshot of GCC 3.0 up and running, though, and test that out.
Thanks.
Kevin <buhr@stat.wisc.edu>
next prev parent reply other threads:[~2001-03-21 20:20 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-03-20 18:28 Linux 2.4.2 fails to merge mmap areas, 700% slowdown Serge Orlov
2001-03-20 18:43 ` Linus Torvalds
2001-03-20 18:59 ` Jakob Østergaard
2001-03-21 1:20 ` Kevin Buhr
2001-03-21 1:38 ` David S. Miller
2001-03-21 20:19 ` Kevin Buhr [this message]
2001-03-22 18:23 ` Kevin Buhr
2001-03-22 18:35 ` Jakob Østergaard
2001-03-23 4:32 ` Kevin Buhr
2001-03-24 4:11 ` Zack Weinberg
2001-03-24 21:46 ` Kevin Buhr
2001-03-24 5:02 ` Linus Torvalds
2001-03-24 9:31 ` Jakob Østergaard
2001-03-24 9:48 ` Jakob Østergaard
2001-03-24 19:54 ` Kevin Buhr
2001-03-25 3:17 ` Jakob Østergaard
2001-03-25 16:47 ` Jamie Lokier
[not found] ` <200103240502.VAA02673@penguin.transmeta.com>
2001-03-24 21:22 ` Kevin Buhr
2001-03-25 3:37 ` Linus Torvalds
2001-03-26 4:22 ` Kevin Buhr
2001-03-23 20:43 ` James Lewis Nance
2001-03-21 6:41 ` Mike Galbraith
2001-03-21 14:56 ` Matthias Urlichs
2001-03-21 15:05 ` Mike Galbraith
2001-03-21 15:59 ` Kurt Garloff
2001-03-21 16:45 ` Mike Galbraith
2001-03-21 20:16 ` Kevin Buhr
2001-03-22 9:04 ` Mike Galbraith
2001-03-22 22:19 ` Kevin Buhr
2001-03-23 7:44 ` Mike Galbraith
2001-03-23 21:36 ` 2.4.2-ac20 patch for process time double-counting (was: Linux 2.4.2 fails to merge mmap areas, 700% slowdown.) Kevin Buhr
2001-03-24 7:49 ` Mike Galbraith
2001-03-24 19:27 ` Kevin Buhr
2001-03-20 18:43 ` Linux 2.4.2 fails to merge mmap areas, 700% slowdown Jakob Østergaard
-- strict thread matches above, loose matches on Subject: below --
2001-03-21 2:02 Dieter Nützel
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