[petsc-users] pcasm vs. pcgasm

[Barry Smith]

  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
> 
> 
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