would you care to bet that your custom values (say, 44 bit)
have fewer collisions than Mersenne Twister values (at say, 46 bits) ?
Sorry but I did not mean that I use custom 44-bit values.
I have "another secret" and that is a method of re-using 20 bits of a 64-bit
Zobrist hash for a totally different purpose and still keep the full 64-bit
spread of a 64-bit hash.
Not rocket science but very, very useful. Not only does it make a lookup
much faster of the pattern value, it also saves 30% of RAM and is easier on
the cache.
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