amir b8104b0fc7 MPMC queues implementation ...

Now we have 3 different API compatible MPMC queues that we can swap with
swapping the header.
mt_mpmc.h, a blocking queue that uses a mutex/critical section.
lf_mpmc.h, a lock free queue that uses atomics.
sm_mpmc.h, a hybrid queue that uses atomics and a semaphore to block
when the queue is empty.
In this program, for max performance it is recommanded to use sm_mpmc.h
or mt_mpmc.h, they are designed to avoid busy waiting which frees more
CPU time to do useful work.

2026-05-04 14:06:48 +01:00

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