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Re: [Help-gsl] Usage of GSL random in parallel code [OpenMP]

From: Rhys Ulerich
Subject: Re: [Help-gsl] Usage of GSL random in parallel code [OpenMP]
Date: Mon, 5 May 2014 08:40:28 -0500

On Mon, May 5, 2014 at 2:08 AM, Klaus Huthmacher
<address@hidden> wrote:
> sorry, but I do not get your point. Could you elaborate on it in more detail?

Sure.   If there's not much other work going on, how fast one can
generate random numbers may become a bottleneck.  If all the generator
state is sitting contiguous in memory, it is possible that there will
be cache contention amongst threads on a multicore system.

- Rhys

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