Re: [Sbcl-devel] core image predictability

[Marco A. <ma...@cs...>]

On Apr 20, 2008, at 04:32 , Isidor Zeuner wrote:
>> AFAIU, if you want "predictability" in you random numbers, you'd
>> better save the random state and re-read it at startup.
>>
>
> I may have failed to make myself clear. The random numbers _are_
> predictable, but the core images saved after executing exactly the
> same code without reading from any external data sources aren't.
> So I wonder if there is any reason for this, and if it would be hard
> to make them predictable.

Yes.  You were very clear and the answer does not change.  In general  
you don't have (and probably should not have) any control other that  
the random state over the random number generator.  If you want  
predictability you must re-read the random state from a predictable  
place.

Cheers
--
Marco