Hi, We haven't observed any problems running with threads over 24 core AMD nodes (4x6 cores).
Berk > From: ckut...@gwdg.de > Date: Thu, 21 Oct 2010 12:03:00 +0200 > To: gmx-users@gromacs.org > Subject: [gmx-users] Gromacs 4.5.1 on 48 core magny-cours AMDs > > Hi, > > does anyone have experience with AMD's 12-core Magny-Cours > processors? With 48 cores on a node it is essential that the processes > are properly pinned to the cores for optimum performance. Numactl > can do this, but at the moment I do not get good performance with > 4.5.1 and threads, which still seem to be migrating around. > > Carsten > > > -- > Dr. Carsten Kutzner > Max Planck Institute for Biophysical Chemistry > Theoretical and Computational Biophysics > Am Fassberg 11, 37077 Goettingen, Germany > Tel. +49-551-2012313, Fax: +49-551-2012302 > http://www.mpibpc.mpg.de/home/grubmueller/ihp/ckutzne > > > > > -- > gmx-users mailing list gmx-users@gromacs.org > http://lists.gromacs.org/mailman/listinfo/gmx-users > Please search the archive at > http://www.gromacs.org/Support/Mailing_Lists/Search before posting! > Please don't post (un)subscribe requests to the list. Use the > www interface or send it to gmx-users-requ...@gromacs.org. > Can't post? Read http://www.gromacs.org/Support/Mailing_Lists
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