[Dune-devel] On which side is DataHandleIF::size() called

[Markus Blatt]

On Wed, Jul 26 2017 at 09:18:00AM +0200, Markus Blatt wrote:
> Somehow I was not sure whether that assumption really holds or every
> grid developers thinks so. I just wrote a handle to be used for
> loadbalancing a grid from a master process to all. As a precaution I
> introduced an assertion in the size method that makes sure it is only
> called on rank 0. For UGGrid this assertion just failed.
> 

Looking at the code the bug is only in the communication code executed
during the loadbalancing of UGGrid with a data handle.

Markus
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