[Swift-devel] random seed generator?

[Tiberiu Stef-Praun]

I'd go with the external source.
In the end, to achieve high quality randomness, swift would probably
use the /dev/random internally anyway, so it's just the issue of where
to use the random generator in the code.
Since swift is not intended to contain non-workflow libraries, i think
we should not expect random() to be part of it

Tibi

On 4/25/07, Veronika  V. Nefedova <nefedova at mcs.anl.gov> wrote:
> Hi,
>
> I know I've raised this question before and I had received several
> suggestions, but I am wondering what is the consensus on generating the
> random seed in swift? I needed it for MolDyn workflow (had to do some hacks
> for them), and I need it for the lqcd workflow too.
> For lqcd I need to change the random seed inside the input file at every
> loop step. What is the best way to proceed? I see a couple of options:
>
> 1. have an external program generate the random seed and then call it from
> swift.
> 2. Have swift somehow generate the random seed
>
> I am curious if option 2 is possible ?
>
> Thanks,
>
> Nika
>
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-- 
Tiberiu (Tibi) Stef-Praun, PhD
Research Staff, Computation Institute
5640 S. Ellis Ave, #405
University of Chicago
http://www-unix.mcs.anl.gov/~tiberius/