Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Thu, 21 Nov 2002 12:27:14 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Thu, 21 Nov 2002 12:27:14 -0500 Received: from holomorphy.com ([66.224.33.161]:58753 "EHLO holomorphy") by vger.kernel.org with ESMTP id ; Thu, 21 Nov 2002 12:27:14 -0500 Date: Thu, 21 Nov 2002 09:26:50 -0800 From: William Lee Irwin III To: Andrew Morton Cc: Dave Jones , Bill Davidsen , Aaron Lehmann , Con Kolivas , linux kernel mailing list Subject: Re: [BENCHMARK] 2.5.47{-mm1} with contest Message-ID: <20021121172650.GR23425@holomorphy.com> Mail-Followup-To: William Lee Irwin III , Andrew Morton , Dave Jones , Bill Davidsen , Aaron Lehmann , Con Kolivas , linux kernel mailing list References: <3DD0E037.1FC50147@digeo.com> <3DDC1480.402A0E5B@digeo.com> <20021121000811.GQ23425@holomorphy.com> <3DDC8330.FE066815@digeo.com> <20021121132014.GC9883@suse.de> <3DDD162B.BAC88F94@digeo.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <3DDD162B.BAC88F94@digeo.com> User-Agent: Mutt/1.3.25i Organization: The Domain of Holomorphy Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 889 Lines: 19 On Thu, Nov 21, 2002 at 09:21:47AM -0800, Andrew Morton wrote: > We'd buy a bit by arranging for the in-kernel copy of the fp state > to have the same layout as the hardware. That way it can be done in > a single big, fast, well-aligned slurp. But for some reason that code has > to convert into and out of a different representation. > But the real low-hanging fruit here is the observation that the > test application doesn't use floating point!!! > Maybe we need to take an fp trap now and then to "poll" the application > to see if it is still using float. Um... both of these are in the "wtf?? it doesn't do that now??" category. Bill - 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/