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Subject: Re: [OMPI devel] Reviewing MPI_Dims_create
From: Jeff Squyres (jsquyres) (jsquyres_at_[hidden])
Date: 2014-02-11 10:33:53


+1

On Feb 11, 2014, at 9:25 AM, Andreas Schäfer <gentryx_at_[hidden]>
 wrote:

> 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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Jeff Squyres
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