With PCASM there can be one or more subdomains per process but a single subdomain cannot extend over two (MPI) processes. With GASM subdomains can be over any subset of processes.
Barry On Oct 28, 2011, at 10:17 AM, Kuhlemann, Verena wrote: > Hi, > > just a curious question: What is the difference between preconditioners > of type PCASM and PCGASM? > > Thanks, > Verena > > > This e-mail message (including any attachments) is for the sole use of > the intended recipient(s) and may contain confidential and privileged > information. If the reader of this message is not the intended > recipient, you are hereby notified that any dissemination, distribution > or copying of this message (including any attachments) is strictly > prohibited. > > If you have received this message in error, please contact > the sender by reply e-mail message and destroy all copies of the > original message (including attachments).
