They are "toy" projects illustrative of the general concepts. ("toy" as in smaller in scope; one of the two is by a former colleague).
JPM's actual pixie code is proprietary, extremely performant after 12 years of pushing into bigger and bigger scale problems, and is definitely not on GitHub!
JPM's actual pixie code is proprietary, extremely performant after 12 years of pushing into bigger and bigger scale problems, and is definitely not on GitHub!