Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261205AbVEPA5x (ORCPT ); Sun, 15 May 2005 20:57:53 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261207AbVEPA5x (ORCPT ); Sun, 15 May 2005 20:57:53 -0400 Received: from mail09.syd.optusnet.com.au ([211.29.132.190]:9610 "EHLO mail09.syd.optusnet.com.au") by vger.kernel.org with ESMTP id S261205AbVEPA5v (ORCPT ); Sun, 15 May 2005 20:57:51 -0400 MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Message-ID: <17031.61437.279517.139691@wombat.chubb.wattle.id.au> Date: Mon, 16 May 2005 10:57:33 +1000 From: Peter Chubb To: "J.A. Magallon" Cc: linux-kernel@vger.kernel.org Subject: Re: Need kernel patch to compile with Intel compiler In-Reply-To: <1115933336l.8448l.0l@werewolf.able.es> References: <377362e105051207461ff85b87@mail.gmail.com> <1115933336l.8448l.0l@werewolf.able.es> X-Mailer: VM 7.17 under 21.4 (patch 15) "Security Through Obscurity" XEmacs Lucid Comments: Hyperbole mail buttons accepted, v04.18. X-Face: GgFg(Z>fx((4\32hvXq<)|jndSniCH~~$D)Ka:P@e@JR1P%Vr}EwUdfwf-4j\rUs#JR{'h# !]])6%Jh~b$VA|ALhnpPiHu[-x~@<"@Iv&|%R)Fq[[,(&Z'O)Q)xCqe1\M[F8#9l8~}#u$S$Rm`S9% \'T@`:&8>Sb*c5d'=eDYI&GF`+t[LfDH="MP5rwOO]w>ALi7'=QJHz&y&C&TE_3j! Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1566 Lines: 36 >>>>> "J" == J A Magallon writes: J> On 05.12, Richard B. Johnson wrote: >> On Thu, 12 May 2005, Tetsuji "Maverick" Rai wrote: >> >> > In this mailing list archive I found a discussion on how to >> compile > kenrel 2.6.x with Intel C++ compiler, but it was a bit >> old, and only > kernel patch for version 2.6.5 or around so can be >> found. As mine is > HT enabled, I want newer one. >> > >> Why would you even attempt to convert the kernel sources to be >> compiled with some other tools? Also C++ won't work because the >> kernel is all about method, i.e., procedures. You need a procedural >> compiler for most of it, not an object-oriented one. J> Intel's is a C/C++/Fortran compiler. J> Last time I checked (a year or so ago) gcc catched the intel J> compiler for equivalent options, or say it the other way, adjusting J> gcc options you could get more or less the same performance. There J> were even places where gcc generated faster code than icc. And that J> was gcc-3.0.x, I think. For IA64, the intel compiler generates *much* better code than gcc. Depending on the source, you can get factor of two or better, particularly for crypto code like rc4. -- Dr Peter Chubb http://www.gelato.unsw.edu.au peterc AT gelato.unsw.edu.au The technical we do immediately, the political takes *forever* - 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/