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concurrent.futures.ThreadPoolExecutor

class concurrent.futures.ThreadPoolExecutor(max_workers=None)

An Executor subclass that uses a pool of at most max_workers threads to execute calls asynchronously.

Changed in version 3.5: If max_workers is None or not given, it will default to the number of processors on the machine, multiplied by 5, assuming that ThreadPoolExecutor is often used to overlap I/O instead of CPU work and the number of workers should be higher than the number of workers for ProcessPoolExecutor.

Links:

https://docs.python.org/3.5/library/concurrent.futures.html#concurrent.futures.ThreadPoolExecutor

doc_python

2016-10-07 17:29:09

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