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 4.60) (envelope-from ) id 1GkiYH-00057j-BD for garchives@archives.gentoo.org; Thu, 16 Nov 2006 14:49:17 +0000 Received: from robin.gentoo.org (localhost [127.0.0.1]) by robin.gentoo.org (8.13.8/8.13.8) with SMTP id kAGElEvq029694; Thu, 16 Nov 2006 14:47:14 GMT Received: from mail.net-xero.net (mail.net-xero.com [66.29.75.80] (may be forged)) by robin.gentoo.org (8.13.8/8.13.8) with SMTP id kAGEj9m4011163 for ; Thu, 16 Nov 2006 14:45:10 GMT Received: (qmail 23849 invoked from network); 16 Nov 2006 14:45:04 -0000 Received: from unknown (HELO ?192.168.2.195?) (192.168.2.195) by mail.net-xero.net with SMTP; 16 Nov 2006 14:45:04 -0000 Message-ID: <455C796E.7060202@net-xero.net> Date: Thu, 16 Nov 2006 09:45:02 -0500 From: Jon M User-Agent: Thunderbird 1.5.0.8 (Windows/20061025) 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 To: gentoo-user@lists.gentoo.org Subject: Re: [gentoo-user] Install Gentoo on one machine, then move the drive to another References: <455B3D27.7030702@net-xero.net> <200611151844.16284.alan@linuxholdings.co.za> <5591a9500611151500h44dc41cah12d5575ff530aef@mail.gmail.com> <200611161525.34962.alan@linuxholdings.co.za> <5591a9500611160630p49562414le5d86e4ce8f1009f@mail.gmail.com> In-Reply-To: <5591a9500611160630p49562414le5d86e4ce8f1009f@mail.gmail.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Archives-Salt: ac6bbac1-bb2f-47c8-a43e-99357ece07f4 X-Archives-Hash: afaffd8dbd5294ce54e368a701044a91 Mark M wrote: > > > On 11/16/06, *Alan McKinnon* > wrote: > > On Thursday 16 November 2006 01:00, Mark M wrote: > > Hi all, > > Pentium D is actually an emt64 dual core cpu, > > so while CFLAGS -march=pentium4 will work, it will be x86-32 instead > > of x86-64 and of course the compiled apps won't know nothing about > > the dual core (read almost dual CPU), > > still it will run, and it will run fast, you may want to recompile > > the kernel on the data center with vSMP option set, so at least the > > kernel will know how to manage multithreads between two cores. > > In that case he should be cross-compiling with a CHOST set for the > PentiumD, not so? > > alan > -- > gentoo-user@gentoo.org mailing list > > > Yes, he can do so, but he won't be able to test run his apps. > And judging from my experience there isn't much difference between apps > compiled for x86-32 or x86-64, however compiling the kernel for right > cpu speed up things, especially multithreaded. > Hi Mark, I actually wasn't planning on using 64bit anyway I'm wondering if I should set my CFLAGS to -march=x86-32 or leave it as -march=pentium4? Are they essentially the same? I already took your previous suggestion and enabled vSMP support, though I haven't moved the drive to it's new home as of yet. -- gentoo-user@gentoo.org mailing list