On Thu, 2009-04-30 at 17:09 +0200, Lorenzo Paulatto wrote: > In data 30 aprile 2009 alle ore 16:57:46, Ihsan Erikat <ihsanas at yahoo.com> > > ha scritto: > > > Thank you, the CPU are mpd connection
lorenzo, mpd are the processes that MPICH-2 generates upon initializing the parallel environment. that doesn't really help much, but it is likely that the cluster is running with GigE at best. > I don't know what it is, if it's not faster that a 10/100/1000 ethernet > card your best bet is to use 8 processors and 8 pools, leaving 2 > processors idle. Also, make sure that your outdir is set to some directory better yet. run with -np 8 and put a second job on the other two. ;-) cheers, axel. > local to the nodes, e.g. /tmp, otherwise the overhead introduced when > saving the restart data may kill the performance. > > best regards > > > > > -- ======================================================================= Axel Kohlmeyer akohlmey at cmm.chem.upenn.edu http://www.cmm.upenn.edu Center for Molecular Modeling -- University of Pennsylvania Department of Chemistry, 231 S.34th Street, Philadelphia, PA 19104-6323 tel: 1-215-898-1582, fax: 1-215-573-6233, office-tel: 1-215-898-5425 ======================================================================= If you make something idiot-proof, the universe creates a better idiot.
