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gh-117739: Update definition of global interpreter lock for 3.13 (#117740) 

Co-authored-by: Hugo van Kemenade <1324225+hugovk@users.noreply.github.com>
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Savannah Ostrowski 2024-04-12 11:19:41 -07:00 committed by GitHub
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Doc/glossary.rst
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@ -547,12 +547,12 @@ Glossary
tasks such as compression or hashing. Also, the GIL is always released
when doing I/O.
Past efforts to create a "free-threaded" interpreter (one which locks
shared data at a much finer granularity) have not been successful
because performance suffered in the common single-processor case. It
is believed that overcoming this performance issue would make the
implementation much more complicated and therefore costlier to maintain.
As of Python 3.13, the GIL can be disabled using the :option:`--disable-gil`
build configuration. After building Python with this option, code must be
run with :option:`-X gil 0 <-X>` or after setting the :envvar:`PYTHON_GIL=0 <PYTHON_GIL>`
environment variable. This feature enables improved performance for
multi-threaded applications and makes it easier to use multi-core CPUs
efficiently. For more details, see :pep:`703`.
hash-based pyc
A bytecode cache file that uses the hash rather than the last-modified