most efficient way to use local CSR matrix?

2009-10-21 Thread Mark F. Adams
Chris, just a note, Perhaps I missed something here but do something similar to you, eg overlapping partitions, and PETSc is setup very well to be intrusive in your code (I sometimes write a little 'addvalue' wrapper) and assemble your FE matrices directly into a global matrix. You use the

most efficient way to use local CSR matrix?

2009-10-21 Thread Barry Smith
On Oct 20, 2009, at 10:13 PM, Chris Kees wrote: > Thanks. Just to make sure I'm following, when I create the matrix I > do: > > MatCreate(PETSC_COMM_WORLD,&self->m); > MatSetSizes(self->m,n,n,N,N); > MatSetType(self->m,MATMPIAIJ); > MatSetFromOptions(self->m); > MatSeqA

Fwd: People who need to solve large systems?

2009-10-21 Thread Matthew Knepley
gov/pipermail/petsc-dev/attachments/20091021/770a2325/attachment.html>