@jedisct1 we'd like to replace MT19937 with a better/faster PRNG in Crystal, and think of PGC32 or xorshift* 64/32. Any opinion?
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Thanks! We aim for a fast default random, with alternatives (xorshift) and crypto-correct ones (ChaCha20) in a library.
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Well, fast *and* good.
End of conversation
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I hacked up salsa (didnt have chacha on my radar then) to make guacamole for PRNG. Includes sse4.2 optimization https://github.com/rescrv/ygor/blob/master/include/ygor/guacamole.h …
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