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Subject: Re: [OMPI devel] Reviewing MPI_Dims_create
From: Andreas Schäfer (gentryx_at_[hidden])
Date: 2014-02-11 09:25:26


On 15:20 Tue 11 Feb , Christoph Niethammer wrote:
> Ah and some restults for MPI_Dims_create(1000000, 3, {})
>
> original: 8.110628 sec
> optimized-primes: 0.048702 sec
> optimized-factorization: 0.000013 sec

Awesome! I didn't expect that nested loop for checking whether a
factor would still have such an impact.

-Andreas

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Andreas Schäfer
HPC and Grid Computing
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Friedrich-Alexander-Universität Erlangen-Nürnberg, Germany
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