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Subject: Re: [OMPI users] busy waiting and oversubscriptions
From: Andreas Schäfer (gentryx_at_[hidden])
Date: 2014-03-27 05:19:55


On 14:26 Wed 26 Mar , Ross Boylan wrote:
> [Main part is at the bottom]
> On Wed, 2014-03-26 at 19:28 +0100, Andreas Schäfer wrote:
> > If you have a complex workflow with varying computational loads, then
> > you might want to take a look at runtime systems which allow you to
> > express this directly through their API, e.g. HPX[1]. HPX has proven to
> > run with high efficiency on a wide range of architectures, and with a
> > multitude of different workloads.
> Thanks for the pointer.

I might add that HPX can run on top of MPI, so you could gradually
migrate code towards it.

Cheers
-Andreas

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Andreas Schäfer
HPC and Grid Computing
Chair of Computer Science 3
Friedrich-Alexander-Universität Erlangen-Nürnberg, Germany
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