pin goroutine to cpu core , linux / unix only, for testing and research
/goine fork from https://github.com/jandos/gofine by Zhandos Zhylkaidar ( jandos ). --- unix only
/affinity copy from https://pythonwise.blogspot.com/2019/03/cpu-affinity-in-go.html by Miki Tebeka --- linux only
https://github.com/rakyll/go-numa
Do not use in product, ASIS
check example path