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[Václav Šmilauer <eu@xxxxxxxx>]

> I've been trying to parallelize some loops with openMP in some code used 
> by FlowEngine (independant compilation out of Yade). I could get 
> no-so-bad speedup with little efforts. Now I'm wondering how to get even 
> better speedup and I have a few general questions.
> - Is there already a mechanism in Yade to run more than one engine in 
> parallel? For instance, flow engine and interactionsDispatcher are doing 
> two independant things and could be run at the same time without 
> interfering. It implies nested omp directives.
> - If no, is that possible?
> - Is there any limitation in the use of MPI and OpenMP in the same 
> program (mostly thinking to ScaLapack,MUMPS and others, using MPI for 
> linear aglebra)?
> 
> My impression is no/yes/no. Could you confirm?

yes/yes/no. 

see
https://yade-dem.org/sphinx/yade.wrapper.html#yade.wrapper.ParallelEngine & https://yade-dem.org/sphinx/prog.html#parallel-execution

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