On Thu, Aug 27, 2009 at 1:35 PM, Rodrigo Araujo <rodrigowpa at gmail.com>wrote:
> Matt, > > Thank you for answering. Another question. Which functions does the PETSc > call the BLAS routines to multiply those matrices? Only the DENSE amtrix type uses BLAS. Matt > > Thanks. > > 2009/8/27 Matthew Knepley <knepley at gmail.com> > >> On Thu, Aug 27, 2009 at 12:15 PM, Rodrigo Araujo <rodrigowpa at >> gmail.com>wrote: >> >>> Good afternoon, >>> >>> I am multiplying two matrices using the function >>> MatMatMult_MPIAIJ_MPIAIJ, but I'd like to know if this function calls the >>> BLAS routine that multiply matrices, and if yes ,where. >> >> >> No, this is for sparse matrices. >> >> Matt >> >> >>> >>> Best Regards. >>> >>> -- >>> Rodrigo W. Pimentel Araujo >>> Engenharia da Computa??o >>> UFPE >>> >> >> >> >> -- >> What most experimenters take for granted before they begin their >> experiments is infinitely more interesting than any results to which their >> experiments lead. >> -- Norbert Wiener >> > > > > -- > Rodrigo W. Pimentel Araujo > Engenharia da Computa??o > UFPE > -- What most experimenters take for granted before they begin their experiments is infinitely more interesting than any results to which their experiments lead. -- Norbert Wiener -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.mcs.anl.gov/pipermail/petsc-users/attachments/20090827/c5d2a76f/attachment.htm>
