From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from lists.gentoo.org ([140.105.134.102] helo=robin.gentoo.org) by nuthatch.gentoo.org with esmtp (Exim 4.43) id 1E0ldP-0002rp-R1 for garchives@archives.gentoo.org; Thu, 04 Aug 2005 19:44:08 +0000 Received: from robin.gentoo.org (localhost [127.0.0.1]) by robin.gentoo.org (8.13.4/8.13.4) with SMTP id j74JgZDj024851; Thu, 4 Aug 2005 19:42:36 GMT Received: from Princeton.EDU (postoffice01.Princeton.EDU [128.112.129.75]) by robin.gentoo.org (8.13.4/8.13.4) with ESMTP id j74JcsFo011761 for ; Thu, 4 Aug 2005 19:38:54 GMT Received: from smtpserver2.Princeton.EDU (smtpserver2.Princeton.EDU [128.112.129.148]) by Princeton.EDU (8.12.9/8.12.9) with ESMTP id j74JdcNN003484 for ; Thu, 4 Aug 2005 15:39:38 -0400 (EDT) Received: from sep.dynalias.net (fez.Princeton.EDU [128.112.129.190]) (authenticated bits=0) by smtpserver2.Princeton.EDU (8.12.9/8.12.9) with ESMTP id j74JdaFZ022179 (version=TLSv1/SSLv3 cipher=EDH-RSA-DES-CBC3-SHA bits=168 verify=NOT) for ; Thu, 4 Aug 2005 15:39:37 -0400 (EDT) Received: by sep.dynalias.net (Postfix, from userid 1001) id 496E85EA262; Thu, 4 Aug 2005 15:39:34 -0400 (EDT) Date: Thu, 4 Aug 2005 15:39:34 -0400 From: Willie Wong To: gentoo-user@lists.gentoo.org Subject: Re: [gentoo-user] Using Intel's icc to compile the whole system? Message-ID: <20050804193934.GA1256@princeton.edu> Mail-Followup-To: gentoo-user@lists.gentoo.org References: <42F25C14.7010806@mid.email-server.info> <20050804192043.GA11253@princeton.edu> Precedence: bulk List-Post: List-Help: List-Unsubscribe: List-Subscribe: List-Id: Gentoo Linux mail X-BeenThere: gentoo-user@gentoo.org Reply-to: gentoo-user@lists.gentoo.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20050804192043.GA11253@princeton.edu> User-Agent: Mutt/1.5.8i X-Archives-Salt: 9ba7d05d-444d-474f-b5a8-c957859673fa X-Archives-Hash: 6927bb9b6578e80ab46702c7b181f576 On Thu, Aug 04, 2005 at 03:20:43PM -0400, Willie Wong wrote: > On Thu, Aug 04, 2005 at 08:19:00PM +0200, Alexander Skwar wrote: > > Hi! > > > > Is it possible to compile the complete system with the > > icc from the Intel C++ Compiler? > > afaik, no. Too many things rely on gcc-specific extensions. > BUT! if you add "icc" to your USEflags, portage will compile things > with icc whenever the compile is known not to break. (= > scratch that. You also need to set the $CC yourself plus a lot of hocuspocus. Check http://www.google.com/url?sa=U&start=1&q=http://gentoo-wiki.com/HOWTO_ICC_and_Portage&e=912 > > > > Are there any (performance) gains to be expected on a > > system using a Celeron M340 CPU? > > > > Most likely. I remember seeing benchmarks showing that gcc is > dead-slow compared to icc. But then again, other benchmarks can show > comparable performance. My only advice is to try it out if you really > want to know. > > W > > Thanks, > > > > Alexander Skwar > > -- > > BOFH Excuse #69: > > > > knot in cables caused data stream to become twisted and kinked > > -- > > gentoo-user@gentoo.org mailing list > > -- > A fine is a tax for doing wrong. > A tax is a fine for doing well. > Sortir en Pantoufles: up 4 days, 2:41 > -- > gentoo-user@gentoo.org mailing list -- "The major difference between a thing that might go wrong and a thing that cannot possibly go wrong is that when a thing that cannot possibly go wrong goes wrong it usually turns out to be impossible to get at or repair." - One of the laws of computers and programming revealed. Sortir en Pantoufles: up 4 days, 2:55 -- gentoo-user@gentoo.org mailing list