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Re: [Help-gsl] gsl_permutation_next

From: Patrick Alken
Subject: Re: [Help-gsl] gsl_permutation_next
Date: Wed, 12 Apr 2017 11:44:07 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.8.0

Hello, thanks for working on this. I will take a look at your function
and do some testing and get back to you

On 04/11/2017 05:58 PM, Pavel Sinitcyn wrote:
> Hello everyone,
> I was reading the permutation module of GSL and found that a function
> "gsl_permutation_next" can be improved (you can see function
> gsl_permutation_next0
> <>,
> more specifically - this line
> <>
> ).
> I made a benchmarking on my computer (AMD Opteron(TM) Processor 6276; gcc
> -O2; gcc Ubuntu 4.8.4-2ubuntu1~14.04.3) and found a significant difference
> in the performance (result contains stdout; bencmark.pdf - visualisation).
> Best,
> Pavel Sinitcyn

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