alt Hacker NewsBy interpolating between values you can get excellent results with LUTs much smaller than 32KB. Will it be faster than the computation from op, that I don't know.
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jcalvinowens • yesterday at 4:11 PM
I'm very skeptical you wouldn't get perceptible visual artifacts if you rounded the trig functions to 4096 linear approximations. But I'd be happy to be proven wrong :)
I experimented a bit with the code. Various tables with different datatypes. There is enough noise from the Monte Carlo to not make a difference if you use smaller data types than double or float. Even dropping interpolation worked fine, and got the speed to be on par with the best in the article, but not faster.