Fixed-size arrays and randomShuffle()

[Vidar Wahlberg]

On 2012-05-03 16:26, Dmitry Olshansky wrote:
> It's all about RNG used behind the scenes. Default one is Mersane
> Twister which (AFAIK) is not particularly fast. But has a period of
> 2^19937 elements.
> You should probably use XorShift or MinstdRand generator and a version
> of shuffle with 2nd parameter.

I tried those two as well. Still significantly slower than what I can 
achieve in Java.