http://www.mcs.anl.gov/petsc/documentation/faq.html#efficient-assembly
On Dec 7, 2011, at 6:19 AM, Manuel Ricardo Perez Cerquera wrote: > Dear all, > > I'm having a problem with my code, when I ran with 2 processors or more, > when I'm setting the values The process zero seems as like I didn't do any > kind of preallocation in its local part. I'm really confused because the > other processes go faster. I already check the d_nnz and o_nnz vectors and > they are ok. Does anybody has ever had this problem? I appreciate any clue. > Thanks > > Manuel. > > -- > Eng. Manuel Ricardo Perez Cerquera. MSc. Ph.D student > Antenna and EMC Lab (LACE) > Istituto Superiore Mario Boella (ISMB) > Politecnico di Torino > Via Pier Carlo Boggio 61, Torino 10138, Italy > Email: manuel.perezcerquera at polito.it > Phone: +39 0112276704 > Fax: +39 011 2276 299 >
