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Alex D Herbert commented on RNG-111: ------------------------------------ I was waiting for the stress test results. Here they are: {noformat} RNG Dieharder TestU01 (BigCrush) JSF_32 0,0,0,0,0 0,0,0,1,1 JSF_64 0,0,0,0,0 1,1,0,0,0 {noformat} Failures are sporadic: ||RandomSource||Test||Failures||Failed|| |JSF_32|TestU01 (BigCrush)|1|47 MaxOft AD,t = 16| |JSF_32|TestU01 (BigCrush)|1|55 SampleCorr,k = 1| |JSF_64|TestU01 (BigCrush)|1|76 RandomWalk1 C (L=1000,r=0)| |JSF_64|TestU01 (BigCrush)|1|78 RandomWalk1 C (L=10000,r=0)| > Jenkins Small Fast generator > ---------------------------- > > Key: RNG-111 > URL: https://issues.apache.org/jira/browse/RNG-111 > Project: Commons RNG > Issue Type: Improvement > Components: core > Affects Versions: 1.3 > Reporter: Alex D Herbert > Priority: Minor > > Implement Bob Jenkins' Small/Fast Chaotic PRNG. > [A small noncryptographic > PRNG|http://burtleburtle.net/bob/rand/smallprng.html] > Variants are provided for 32-bit and 64-bit output. The generators use bit > shifts to avalanche state and many variants are provided for different shift > combinations. However there is a recommended variant that has been more > extensively tested. A seeding routine is provided to ensure that generators > with short cycles are avoided. > This generator has no name but appears in PractRand as JSF (Jenkins Small > Fast). -- This message was sent by Atlassian Jira (v8.3.2#803003)