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Hi Zach,

On 11/03/2015 14:44, Zach Davis wrote:
> I can verify the changes that you made in your latest commit for
> PR-40 resolve the issue I was running into.  I can also build the 
> documentation without having to apply the 2to3 patch.  Thanks for 
> addressing these so quickly.  I have noticed when doing these
> mixed backend simulations that it can be a bit of a challenge to
> determine the number of parts to distribute across the GPU and CPUs
> in order to ensure that the GPU is fully utilized.  Have you guys
> discovered any best-practices or guidelines?  I imagine it changes
> with the underlying hardware, backends being used, and elements in
> the model, so it isn't too hard to imagine that it's likely a bit
> difficult to nail down. Otherwise looks awesome!

It depends on almost everything!  The plan is to have PyFR
periodically look at which MPI ranks are holding up the simulation and
to remove elements from these ranks (by repartitioning with different
waits).  After a couple of iterations we should be close to the optimum.

Regards, Freddie.
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