[petsc-users] Question on MatView and VecView

[Jed Brown]

On Fri, Nov 25, 2011 at 02:51, Dominik Szczerba <dominik at itis.ethz.ch>wrote:

> Do matrices and vectors saved to a file with MatView and VecView store
> only their values or also metadata like local sizes, non-zero
> structure, nnz preallocation, ...?
>

It stores size and number of nonzeros per row, but not "local sizes". You
can read in on a different number of processes. The format is described in
the man pages:

http://www.mcs.anl.gov/petsc/petsc-dev/docs/manualpages/Mat/MatLoad.html
http://www.mcs.anl.gov/petsc/petsc-dev/docs/manualpages/Vec/VecLoad.html
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