Re: RFR: 8284493: Improve computeNextExponential tail performance and accuracy

2023-06-06 Thread Xin Liu
On Wed, 6 Apr 2022 17:47:53 GMT, Chris Hennick wrote: > This PR improves both the worst-case performance of `nextExponential` and > `nextGaussian` and the distribution of output at the tails. It fixes the > following imperfections: > > * Repeatedly adding DoubleZigguratTables.exponentialX0 to

Re: RFR: 8284493: Improve computeNextExponential tail performance and accuracy [v16]

2022-12-07 Thread Xin Liu
On Fri, 2 Dec 2022 20:38:14 GMT, Chris Hennick wrote: > It's probably just a statistical fluke involving a very large return value, > but to know for sure I'd need a way to gather statistics about the return > values and how they correlate with running-time outliers. Yeah, it's likely that p10

Re: RFR: 8284493: Improve computeNextExponential tail performance and accuracy [v16]

2022-12-02 Thread Xin Liu
On Thu, 1 Dec 2022 21:31:28 GMT, Chris Hennick wrote: >> Chris Hennick has updated the pull request incrementally with one additional >> commit since the last revision: >> >> Add parameter to enable/disable fixed PRNG seed > > @simonis @navyxliu @turbanoff @rgiulietti This is ready for review