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Re: [Help-gsl] RNG and parallel MC simulations
From: |
Brian Gough |
Subject: |
Re: [Help-gsl] RNG and parallel MC simulations |
Date: |
Tue, 30 Sep 2008 23:09:05 +0100 |
User-agent: |
Wanderlust/2.14.0 (Africa) Emacs/22.2 Mule/5.0 (SAKAKI) |
At Mon, 29 Sep 2008 23:22:08 +0200,
Torquil Macdonald Sørensen wrote:
> Is it problematic to do this, wrt. the quality of the "independent"
> streams? Should I go through the trouble of changing to SPRNG? Does the
> GSL development team have any special recomendations for choice of RNG
> and/or seeds in the case of parallel streams?
I would recommend using ranlxd. The seeds should give 2^31
effectively independent streams of length 10^171. A discussion of the
seeding procedure can be found in the file notes.ps at
http://www.briangough.ukfsn.org/ranlux_2.2/
--
Brian Gough
GNU Scientific Library -
http://www.gnu.org/software/gsl/