On Mon, 2010-12-27 at 17:19 +0100, Walter Cañón wrote: > Hi, everbody. > I had run some calculation of a polynuclear system of formula > V12B18O60H6 > When I run a calculation in one of the nodes (8 cpus) all the cpus > work at 100%, but when I start another calculation in a other nodes, > also at 8 cpus, the cpus work at 50-70% > anyone knows why this happend???
There are several possibilities - too much swapping caused by not enough memory, slow disk IO combined with large files output of by SIESTA, problems with MPI configuration... You better ask your system administrator. Cheers, Bartek
