Threads, Async and Processes

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Recherche, was an welcher Stelle sinnvoll ist: Threads, AsyncIO-Tasks oder Prozesse

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Updated https://github.com/TheEverythingTracker/Documentation/blob/main/decisions/threads_and_processes.md

• Maybe we should rethink whether we use Processes or Threads depending on opencv releasing the GIL?
• We should probably use asyncio.to_thread
• If we absolutely think we need to: We can use the lower-level api of the AsyncIO Event Loop and run threads or processes with run_in_executor by using ThreadPoolExecutor or ProcessPoolExecutor

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Läuft wohl doch auf "normale" Threads mit threading hinaus, lässt sich sonst nicht sauber parallelisieren