21 окт. 2011 г. · The GIL is an ordinary mutex. The cost of locking or unlocking an uncontested mutex is extremely low, not much more than the cost of ...

4 дек. 2020 г. · Is there a way to release the GIL for pure functions using pure python? In short, the answer is no, because those functions aren't pure on ...

16 июл. 2017 г. · The thing that I still don't understand is how to properly release the GIL from the main thread in order to let the others execute the Python code.

9 февр. 2022 г. · The GIL protects every Python object. If you aren't accessing any, or it's read-only access to an immutable object for which you have an ...

25 июл. 2022 г. · In practice, it's almost all going to be Py_BEGIN_ALLOW_THREADS and Py_END_ALLOW_THREADS. You're looking at very low-level routines and working your way up.

23 авг. 2016 г. · A simple, but hacky, way to hold the GIL is to use the re module with a known-to-be-slow match: import re re.match(r'(a?){30}a{30}', 'a'*30).

16 февр. 2022 г. · The PyGILState functions are designed for code where you don't know if you have the GIL, but you need to have it. Your worker threads should ...

27 авг. 2015 г. · The GIL is not a problem. Python releases the GIL when I/O is happening, which means all the threads will be able execute the requests in parallel.

28 дек. 2021 г. · In short, you've understood correctly that I/O operations release the GIL, you just came to the wrong conclusion about parallelizing file reads.

24 авг. 2019 г. · So you can release the GIL, but only if you do not use any Python C-API calls. Another way of saying that is if you do not access Python ...