Parking process exchange

Merged Adam Reichold requested to merge parking-process-exchange into main

As a middle ground between the pure spin loop and a fully sleeping implementation using mutexes and condition variables, this implements exponential back-off using the spin loop hint and direct thread parkinng for eventually sleeping the other mail box user finishes.

The meant to better handle the fluctuating durations to compute a single time step implied by the DES approach for flower patches.

Edited by Adam Reichold

Merge request reports