Parallel Rogue-like benchmark

[logicchains]

I got it from here: 
https://code.google.com/p/go/source/detail?r=3bf9ffdcca1f9585f28dcf0e4ca1c75ea29e18be. 
Apparently it's a linear feedback shift register, and was used in 
Newsqueak.

On Sunday, 10 November 2013 at 09:42:30 UTC, Joseph Rushton 
Wakeling wrote:
> On 10/11/13 05:31, logicchains wrote:
>> The former produces better random numbers, but it's possible 
>> that it may be slower.
>
> Ahh, makes sense.  Where did you get the particular RNG you 
> used?  I don't recognize it.