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Re: Low hanging fruit - Accelerated random distribution functions
From: |
John W. Eaton |
Subject: |
Re: Low hanging fruit - Accelerated random distribution functions |
Date: |
Thu, 22 Feb 2007 19:56:38 -0500 |
On 23-Feb-2007, David Bateman wrote:
| rande, randg and randp do call the old generators with "seed". However,
| that is not enough as the these patch (I give the credit to Paul for the
| hint in the randg help text) remove the inverse mapping that was
| previously used for a different expression of the random deviate.. I
| don't think its possible to have both the speedup and the old sequence..
OK, so we would have to write something like
if (using_old_rand_generator ())
original
else
new code
endif
(assuming we had the function using_old_rand_generator).
I don't know that it is worth it, so I'd say just check in the change
and we'll see if anyone notices or complains.
jwe
- Low hanging fruit - Accelerated random distribution functions, David Bateman, 2007/02/22
- Low hanging fruit - Accelerated random distribution functions, John W. Eaton, 2007/02/22
- Re: Low hanging fruit - Accelerated random distribution functions, Paul Kienzle, 2007/02/22
- Re: Low hanging fruit - Accelerated random distribution functions, Paul Kienzle, 2007/02/22
- Re: Low hanging fruit - Accelerated random distribution functions, David Bateman, 2007/02/23
- Re: Low hanging fruit - Accelerated random distribution functions, Paul Kienzle, 2007/02/23
- Re: Low hanging fruit - Accelerated random distribution functions, David Bateman, 2007/02/23
- Re: Low hanging fruit - Accelerated random distribution functions, Paul Kienzle, 2007/02/23
- Re: Low hanging fruit - Accelerated random distribution functions, David Bateman, 2007/02/23
- Re: Low hanging fruit - Accelerated random distribution functions, David Bateman, 2007/02/23
Re: Low hanging fruit - Accelerated random distribution functions, Paul Kienzle, 2007/02/22