On 11/17/2016 05:41 AM, Denis Davydov wrote:
On Wednesday, November 16, 2016 at 3:11:08 PM UTC+1, Wolfgang Bangerth wrote:
Our rule of thumb is usually to use about 100,000
unknowns per MPI process.
@Woflgang: maybe this should be added to a stand-along page in
https://www.dealii.org/developer/index.html
within the "Information for users" which summarises best practices using
deal.II on clusters.
This number is actually already in the documentation: in the glossary entry on
the topic of scalability. This entry is also linked to from the distributed
computing documentation module, pretty far at the top.
I'm not opposed to linking to it from elsewhere. The issue is simply that few
places actually come to mind where this makes sense. It doesn't help if we add
such a reference to obscure places where nobody goes looking for it.
I will, however, add a couple of comments to the results section of step-40.
That is the first parallel programming program most people see.
Best
W.
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Wolfgang Bangerth email: [email protected]
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