El 05/04/2014, a las 10:12, venkatesh g escribió: > Hi > > I am running "mpirun -np 64 -hostfile /cluster/hostnames ./ex7 -f1 A1 -f2 B1 > -st_type sinvert -evecs outvec" > > It works for small matrices, it uses noticeable memory for small matrices > (complex). > > However when I run with 39200x39200 complex matrices, it uses all the 480 GB > ram and swap and gets killed. > > Am I doing something wrong ? Is there a solution. > > Pls let me know > > regards, > Venkatesh
You need to use a parallel direct linear solver, or alternatively an iterative linear solver. See section 3.4.1 of SLEPc users guide. Jose
