2011/6/6 D?rrwang, J?rgen <Juergen.Duerrwang at iosb.fraunhofer.de> > Hi, > > > > I am working on a NVIDIA CUDA improved cg solver, with fast > preconditioning. Since I have tested PETSC PCJACOBI with ILU(0) on each > block I have some nice results. Unfortunately the pc is on CPU, so I try to > port them on GPU. Now my question is, has body some material about this > PETSC implementation? >
The ILU(0) algorithm is described in Yousef Saad's book on Iterative Methods. It is notoriously hard to parallelize. ASM and Block-Jacobi jsut decompose the system into blocks. They are also described in the book. Matt > > > Kind regards, > > J?rgen D?rrwang > -- 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/20110606/d9fa5040/attachment.htm>
