Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Sat, 3 Aug 2002 18:32:36 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Sat, 3 Aug 2002 18:31:30 -0400 Received: from dsl-213-023-022-101.arcor-ip.net ([213.23.22.101]:64701 "EHLO starship") by vger.kernel.org with ESMTP id ; Sat, 3 Aug 2002 18:30:43 -0400 Content-Type: text/plain; charset=US-ASCII From: Daniel Phillips To: Andrew Morton Subject: Re: [PATCH] Rmap speedup Date: Sun, 4 Aug 2002 00:35:38 +0200 X-Mailer: KMail [version 1.3.2] Cc: linux-kernel@vger.kernel.org References:

<3D4C5BBB.EBD49EA3@zip.com.au> In-Reply-To: <3D4C5BBB.EBD49EA3@zip.com.au> MIME-Version: 1.0 Content-Transfer-Encoding: 7BIT Message-Id: Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1148 Lines: 32 On Sunday 04 August 2002 00:39, Andrew Morton wrote: > Daniel Phillips wrote: > > > > Wait a second guys, the problem is with the script, look at those CPU > > numbers: > > > > > ./daniel.sh 39.78s user 71.72s system 368% cpu 30.260 total > > > quad:/home/akpm> time ./daniel.sh > > > ./daniel.sh 38.45s user 70.00s system 365% cpu 29.642 total > > > > They should be 399%!! With my fancy script, the processes themselves are > > getting serialized somehow. > > > > Lets back up and try this again with this pair of scripts, much closer to > > the original: > > Still 360%. I did have a version which achieved 398%, but it > succumbed to the monthly "why is there so much junk in my home > dir" disease. > > But it doesn't matter, does it? We're looking at deltas here. It matters a whole lot. If we aren't saturating the CPUs then we're not testing what we think we're testing. -- Daniel - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/