Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S270480AbTHLO6c (ORCPT ); Tue, 12 Aug 2003 10:58:32 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S270483AbTHLO6c (ORCPT ); Tue, 12 Aug 2003 10:58:32 -0400 Received: from h80ad2614.async.vt.edu ([128.173.38.20]:61313 "EHLO turing-police.cc.vt.edu") by vger.kernel.org with ESMTP id S270480AbTHLO6W (ORCPT ); Tue, 12 Aug 2003 10:58:22 -0400 Message-Id: <200308121458.h7CEwIfZ008906@turing-police.cc.vt.edu> X-Mailer: exmh version 2.6.3 04/04/2003 with nmh-1.0.4+dev To: Brandon Stewart Cc: linux kernel Mailing List Subject: Re: Requested FAQ addition - Mandrake and partial-i686 platforms In-Reply-To: Your message of "Tue, 12 Aug 2003 10:48:59 EDT." <3F38FE5B.1030102@yahoo.com> From: Valdis.Kletnieks@vt.edu References: <3F38FE5B.1030102@yahoo.com> Mime-Version: 1.0 Content-Type: multipart/signed; boundary="==_Exmh_-1605706396P"; micalg=pgp-sha1; protocol="application/pgp-signature" Content-Transfer-Encoding: 7bit Date: Tue, 12 Aug 2003 10:58:18 -0400 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1106 Lines: 33 --==_Exmh_-1605706396P Content-Type: text/plain; charset=us-ascii On Tue, 12 Aug 2003 10:48:59 EDT, Brandon Stewart said: > 3) Reapply the CMOV emulation patch to your downloaded kernel. Not > recommended since it turns one CPU cycle into 400. True, as far as it goes. However, you need to balance the huge hit you take on CMOV and how often it's actually used in glibc, against how many places you save 5 or 10 cycles due to more optimized code... No, I don't have numbers for either side of the question... --==_Exmh_-1605706396P Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.2 (GNU/Linux) Comment: Exmh version 2.5 07/13/2001 iD8DBQE/OQCKcC3lWbTT17ARAinvAJ48xd4p0AT+nLwbIhDo7HgSbF/ETgCg1UeH rjATY2v4mUM6HMm05oWA9B0= =cQTA -----END PGP SIGNATURE----- --==_Exmh_-1605706396P-- - 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/