Shared Memory Queue

thread safe lock free ring buffers that seek to minimize false sharing
shameless port of two Golang implementations
- SPSC: https://github.com/andy2046/gopie/blob/master/pkg/spsc/spsc.go
- MPMC: https://github.com/hedzr/go-ringbuf/tree/master/mpmc

TODO

add in memory mapped versions that allow for usage across different processes