From: "David S. Miller" <davem@redhat.com>
To: buhr@stat.wisc.edu (Kevin Buhr)
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: Tue, 20 Mar 2001 17:38:57 -0800 (PST) [thread overview]
Message-ID: <15032.1585.623431.370770@pizda.ninka.net> (raw)
In-Reply-To: <vba1yrr7w9v.fsf@mozart.stat.wisc.edu>
In-Reply-To: <Pine.LNX.4.31.0103201042360.1990-100000@penguin.transmeta.com> <vba1yrr7w9v.fsf@mozart.stat.wisc.edu>
Kevin Buhr writes:
> If I recall correctly, RedHat's 2.96 was a modified development
> snapshot of GCC 3.0, not an official GCC release. If this is just a
> quirk in 2.96 that can be fixed before the official release of 3.0 by
> a trivial patch to libiberty, maybe your original hunch was right and
> the kernel should be left as-is.
It is the garbage collector scheme used for memory allocation in gcc
>=2.96 that triggers the bad cases seen by Serge.
Later,
David S. Miller
davem@redhat.com
next prev parent reply other threads:[~2001-03-21 1:40 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-03-20 18:28 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 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
2001-03-21 1:38 ` David S. Miller [this message]
2001-03-21 20:19 ` Linux 2.4.2 fails to merge mmap areas, 700% slowdown Kevin Buhr
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
2001-03-20 18:43 ` Jakob Østergaard
2001-03-21 2:02 Dieter Nützel
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