[petsc-dev] Jed!!!

[Jed Brown]

Eric Chamberland <Eric.Chamberland at giref.ulaval.ca> writes:
> But for the "general" case, it is as you stated, far more complicated. 
> However, a clean solution would involves communicating only the 
> neighbors column indices and then searching through them (which is true 
> also for the "strides" implementation: you always only need the strides 
> of your neighbors)


Who are the "neighbors"?  Only MatSetValuesLocal() has a definition of
"neighbors".  MatSetValues allows any process to set any entry in the
entire matrix.  MatSetValuesLocal() is really a better interface.
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