Any example of multicore (multprocessing) Crystal program?

Hi All,
I just read this article:

Is there any working example of Crystal program that uses multicore multiprocessing (not traditional single-CPU multithreading) that I can study (aside from the one-liner in the mentioned article)?


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Many thanks. I just download and tried the benchmarks. It is really impressive to see these benchmarks to run on all the cores of my I7 with such a simple code.

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