Ryan Yan wrote: > But can you say a little more about what happened in the first scenario, I > did not quite fellow you. Let's say, If I set -ksp_rtol 1e-2, what does this > mean in the left PC case. More specifically, which term will be considered > as a stop creteria for the KSP solve.
Look at the first column (preconditioned residual norm). Notice that this is decreasing by 1e-2 and 1e-3 respectively in your examples. Jed -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 261 bytes Desc: OpenPGP digital signature URL: <http://lists.mcs.anl.gov/pipermail/petsc-users/attachments/20090915/bffbf20e/attachment-0001.pgp>
