Once again, you need a parallel linear solver. Read FAQ #6 and the corresponding section on the users manual. http://slepc.upv.es/documentation/faq.htm Jose
El 25/05/2015, a las 15:18, venkatesh g escribió: > Hi, > > I am solving the generalized eigen problem Ax=lambda Bx given in EX7 in Slepc > manual. > > Now I have restructured my matrix and I get reasonable answers. > > However, when I submit the problem in multiple cores, it is accessing a large > amount of memory than a serial job. > > 1 Serial job - Amount of memory used = 18 GB > > Parallel job in 240 cores - Amount of memory used = 456 GB > > I have attached the performance log for the run. > > I think it is loading the full matrix in each core for a parallel job, but I > am not sure how to resolve or whether I am correct.. > > Kindly help. > > cheers, > Venkatesh > > <performance_log.txt>
