On 7/22/19 5:23 AM, 'Maxi Miller' via deal.II User Group wrote:
> Furthermore, based on my understanding, I have to loop over all cells in 
> order 
> to assemble the multigrid-matrices, but can only aquire the gradients on the 
> current cell if it is active. Wouldn't that crash (looping and gathering data 
> from all cells, but only getting data from the active cells)?

Maxi -- I'm out of my depth here. We need someone from the parallel GMG groups 
to answer your questions.

@ConradClevenger?
@TimoHeister?

Best
  W.

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Wolfgang Bangerth          email:                 [email protected]
                            www: http://www.math.colostate.edu/~bangerth/

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