From mboxrd@z Thu Jan 1 00:00:00 1970 Content-Type: text/plain; charset="iso-8859-1" From: Daniel Phillips Subject: Re: 2.5.34-mm2 Date: Sun, 15 Sep 2002 06:23:51 +0200 References: <3D803434.F2A58357@digeo.com> <3D8408A9.7B34483D@digeo.com> In-Reply-To: <3D8408A9.7B34483D@digeo.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Message-Id: Sender: owner-linux-mm@kvack.org Return-Path: To: Andrew Morton Cc: lkml , "linux-mm@kvack.org" List-ID: On Sunday 15 September 2002 06:12, Andrew Morton wrote: > Daniel Phillips wrote: > > I heard you > > mention, on the one hand, huge speedups on some load (dbench I think) > > but your in-patch comments mention slowdown by 1.7X on kernel > > compile. > > You misread. Relative times for running `make -j6 bzImage' with mem=512m: > > Unloaded system: 1.0 > 2.5.34-mm4, while running 4 x `dbench 100' 1.7 > Any other kernel while running 4 x `dbench 100' basically infinity Oh good :-) We can make the rescanning go away in time, with more lru lists, but that sure looks like the low hanging fruit. -- Daniel -- 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/