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Like SSE or AltiVec, to quick up random numbers generation. The acronym stands for SIMD-oriented Fast Mersenne Twister. While these are historically important, but outdated: Doty-Humphrey's pracrand with its PractRand suite,.L'Ecuyer's TestU01 (with SmallCrush, Crush, BigCrush),.Similarly, for statistical tests of PRNG, nowadays the state of the art is probably Note: In a previous version I stated that the Random123 algorithms are cryptographically secure, but they're not.
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Shaw's Random123 suite (which includes Philox and the nicely named ARS, a simplification of encrypting an infinite sequence of zeros with AES-CTR), though I'm not sure how much the Random123 PRNG have been scrutinised.įor cryptographic applications, where non-predictability is important, consider a cryptographically secure PRNG, such as Vigna's xoroshiro family, say xoroshiro128+ (not a Japanese name btw, but "X-or, rotate, shift, rotate"), and.Normal PRNGįor normal applications, where good statistical properties and speed are important, consider Just a quick update, as the answers show their age: Today the Mersenne Twister is not really considered state of the art anymore (somewhat bloated, predictable given just 624 values, slow to seed, bad seeding possible.