[Push] RANDOM-SEED parameter

[Rud Merriam]

Is the main reason you are using multi-threading for individuals to support
multi-core processors? My implementation is single threaded (although I
think except for one situation it is thread safe). 

Are there cases where multi-threading is useful?

 
 - 73 - 
Rud Merriam K5RUD 
http://mysticlakesoftware.com/


> -----Original Message-----
> From: Lee Spector [mailto:lspector at hampshire.edu] 
> Sent: Wednesday, June 30, 2010 12:58 PM
> To: PerPlex Ed
> Cc: push at lists.hampshire.edu
> Subject: Re: [Push] RANDOM-SEED parameter
> 
> 
> 
> Wow that's a lot of RNG initialization time.
> 
> I see that there are some interesting issues here, 
> potentially from the distributions etc. you'd get from 
> re-seeding and/or use of seeded RNGs as funky ways to store 
> or refer to sequences. But for what it's worth my practice 
> has historically been just to seed once at startup (as 
> illustrated by the fact that my method for re-seeding didn't 
> work :-). 
> 
> In the Clojush/concurrent context I've been actually been 
> using as many RNGs as there are individuals in the 
> population, as a quick hack to ensure that there's never 
> contention for the same RNG from different threads. But I 
> initialize each of these only once, at the start of a run.
> 
>  -Lee
>