[petsc-dev] [petsc-maint] FW: Changes to KSPSetOperators in 3.5

Jed Brown jed at jedbrown.org
Thu Jan 22 14:52:26 CST 2015


Matthew Knepley <petsc-maint at mcs.anl.gov> writes:
> The SetReusePreconditioner() call does not propagate to sub PCs. Thus, if
> you use Block-Jacobi, you must call this
> method on the sub PC as well. Then you should see the previous behavior.

This sounds like a bug to me.  Unwrapping the appropriate sub-PC is not
something a user should have to do.
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