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 4.62) (envelope-from ) id 1H5CBh-00054w-QJ for garchives@archives.gentoo.org; Fri, 12 Jan 2007 02:30:38 +0000 Received: from robin.gentoo.org (localhost [127.0.0.1]) by robin.gentoo.org (8.13.8/8.13.8) with SMTP id l0C2TBdp006425; Fri, 12 Jan 2007 02:29:11 GMT Received: from smtp.gentoo.org (smtp.gentoo.org [140.211.166.183]) by robin.gentoo.org (8.13.8/8.13.8) with ESMTP id l0C2TAow013494 for ; Fri, 12 Jan 2007 02:29:11 GMT Received: from woodpecker.gentoo.org (woodpecker.gentoo.org [140.211.166.183]) by smtp.gentoo.org (Postfix) with ESMTP id 44BF4646EE for ; Fri, 12 Jan 2007 02:29:10 +0000 (UTC) Date: Fri, 12 Jan 2007 02:29:07 +0000 (UTC) From: Markus Dittrich To: gentoo-science@lists.gentoo.org Subject: Re: [gentoo-science] MPI and multicore + lib question In-Reply-To: <200701111646.46099.polliotti@bo.imm.cnr.it> Message-ID: References: <3D60AF2712C16D42A38076E52FD6E3D23F0C33@ukmcrdembx01.rd.astrazeneca.net> <200701041417.46447.polliotti@bo.imm.cnr.it> <200701111646.46099.polliotti@bo.imm.cnr.it> Precedence: bulk List-Post: List-Help: List-Unsubscribe: List-Subscribe: List-Id: Gentoo Linux mail X-BeenThere: gentoo-science@gentoo.org Reply-to: gentoo-science@lists.gentoo.org MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed X-Archives-Salt: 4597dc06-7b74-4066-983e-50b0cc40c6f9 X-Archives-Hash: 85ed9343c903337bd7eb53478e684fc4 -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 On Thu, 11 Jan 2007, Alessandro Yoshi Polliotti wrote: > I hope I'm not asking anything too obvious but I wasn't able to find relevant > information online. > > I have installed apbs enabling mpi, it works but it detects only one cpu in my > core duo system. Strictly speaking it's correct, but not quite what I > expected. I would like to know more about this behaviour, is it due to my > misconfiguration of apbs, mpi, kernel or other factors? > > Besides this, trying to make apbs detect my two cores I tried also mpich2 and > lam-mpi as mpi implementations. Using both of them and recompiling maloc apbs > will complain that maloc has not been compiled with mpi support, and will > keep mpi out of the build process. maloc however doesn't print any warning. > Hi Alessandro, If I interpret your question correctly it looks like you did not use mpirun to start your parallel apbs job, which is what you need to do. Have a look at mpirun's man page which should get you started. Best, Markus - -- Markus Dittrich (markusle) Gentoo Linux Developer Scientific applications -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.6 (GNU/Linux) iD8DBQFFpvJ2xlRwCwb7k40RAnRSAJ0XoCU67qxODwOFSr7MgbAtTHmwGwCfW8F/ zEdE3Ik3SgDILbMVcVOyByI= =iVxE -----END PGP SIGNATURE----- -- gentoo-science@gentoo.org mailing list