Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S265808AbTFVTSo (ORCPT ); Sun, 22 Jun 2003 15:18:44 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S265814AbTFVTSo (ORCPT ); Sun, 22 Jun 2003 15:18:44 -0400 Received: from babsi.intermeta.de ([212.34.181.3]:1550 "EHLO mail.intermeta.de") by vger.kernel.org with ESMTP id S265808AbTFVTSm (ORCPT ); Sun, 22 Jun 2003 15:18:42 -0400 Subject: Re: GCC speed (was [PATCH] Isapnp warning) From: Henning Schmiedehausen To: Andrew Morton Cc: Linux Kernel Mailing List In-Reply-To: <20030622121323.1abdd079.akpm@digeo.com> References: <20030621125111.0bb3dc1c.akpm@digeo.com> <20030622103251.158691c3.akpm@digeo.com> <20030622121323.1abdd079.akpm@digeo.com> Content-Type: text/plain Organization: INTERMETA - Gesellschaft =?ISO-8859-1?Q?=20f=C3=BCr?= Mehrwertdienste mbH Message-Id: <1056310361.13095.0.camel@henning-pc.hutweide.de> Mime-Version: 1.0 X-Mailer: Ximian Evolution 1.4.0 Date: 22 Jun 2003 21:32:41 +0200 Content-Transfer-Encoding: 7bit X-Spam-Score: -2.5 () EMAIL_ATTRIBUTION,IN_REP_TO,QUOTED_EMAIL_TEXT,REFERENCES,REPLY_WITH_QUOTES Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1359 Lines: 37 Hi, well to me that sounds like a perfect job for a continous build tool. If a human must wait on this, then yes, you're right. Regards Henning On Sun, 2003-06-22 at 21:13, Andrew Morton wrote: > "Henning P. Schmiedehausen" wrote: > > > > Your problem is not the compiler but the build tool / system which > > forces you to recompile all of your kernel if you change only small > > parts. > > No, the build system is OK. And ccache nicely fixes up any mistakes which > the build system makes, and distcc speeds things up by 2x to 3x. > > None of that gets around the fact that code needs to be tested with various > combinations of CONFIG_SMP, CONFIG_PREEMPT, different subarchitectures, > spinlock debugging, etc, etc. If the compiler is slow people don't bother > doing this and the code breaks. > > Cause and effect. -- Dipl.-Inf. (Univ.) Henning P. Schmiedehausen -- Geschaeftsfuehrer INTERMETA - Gesellschaft fuer Mehrwertdienste mbH hps@intermeta.de Am Schwabachgrund 22 Fon.: 09131 / 50654-0 info@intermeta.de D-91054 Buckenhof Fax.: 09131 / 50654-20 - 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/