# PEP 703: Making the Global Interpreter Lock Optional (3.12 updates)

**URL:** <https://discuss.python.org/t/pep-703-making-the-global-interpreter-lock-optional-3-12-updates/26503>\
**Category:** PEPs\
**Created:** [May 4, 2023, 6:22pm UTC](https://discuss.python.org/t/pep-703-making-the-global-interpreter-lock-optional-3-12-updates/26503 "2023-05-04T18:22:11Z")\
**Posts on this page:** 1\
**Showing post:** 5

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**Author:** ![ezoss](https://avatars.discourse-cdn.com/v4/letter/e/bbce88/32.png) [@ezoss](https://discuss.python.org/u/ezoss)\
**Post date:** [May 26, 2023, 1:32pm UTC](https://discuss.python.org/t/pep-703-making-the-global-interpreter-lock-optional-3-12-updates/26503/5 "2023-05-26T13:32:49Z")

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I think the values given for multiple threads is the per thread overhead, and not an application-wide hard speed reduction. Each thread is a bit slower, but you can run then in parallel to more than make up for the overhead, instead being the parallelization being limited by the GIL.

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