--- title: gh-116167: Allow disabling the GIL with `PYTHON_GIL=0`... description: This post discusses the option to disable the GIL in Python using the PYTHON_GIL environment variable or the -X gil=0 flag. It mentions follow-up issues... canonical: https://daily.dev/posts/gh-116167-allow-disabling-the-gil-with-python-gil-0-or--x-gil-0-by-swtaarrs-pull-request-116-brk5jgbq9 twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: gh-116167: Allow disabling the GIL with `PYTHON_GIL=0` or `-X gil=0` by swtaarrs · Pull Request #116338 · python/cpython | daily.dev og:description: This post discusses the option to disable the GIL in Python using the PYTHON_GIL environment variable or the -X gil=0 flag. It mentions follow-up issues... og:url: https://daily.dev/posts/gh-116167-allow-disabling-the-gil-with-python-gil-0-or--x-gil-0-by-swtaarrs-pull-request-116-brk5jgbq9 og:image: https://api.daily.dev/og/posts/Brk5JgBq9.png og:image:alt: gh-116167: Allow disabling the GIL with `PYTHON_GIL=0` or `-X gil=0` by swtaarrs · Pull Request #116338 · python/cpython og:image:width: 1200 og:image:height: 630 og:locale: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # gh-116167: Allow disabling the GIL with `PYTHON_GIL=0` or `-X gil=0` by swtaarrs · Pull Request #116338 · python/cpython **[Hacker News](https://daily.dev/sources/hn)** · 1 min read · 4 upvotes · 0 comments ## Summary This post discusses the option to disable the GIL in Python using the PYTHON_GIL environment variable or the -X gil=0 flag. It mentions follow-up issues related to re-enabling the GIL when loading incompatible extensions and disabling the GIL by default. The impact of disabling the GIL on different programs is also mentioned. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: --- Tags: [#python](https://daily.dev/tags/python), [#cpython](https://daily.dev/tags/cpython) [View this post on daily.dev](https://daily.dev/posts/gh-116167-allow-disabling-the-gil-with-python-gil-0-or--x-gil-0-by-swtaarrs-pull-request-116-brk5jgbq9) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@type":"TechArticle","headline":"gh-116167: Allow disabling the GIL with `PYTHON_GIL=0` or `-X gil=0` by swtaarrs · Pull Request #116338 · python/cpython","url":"https://daily.dev/posts/gh-116167-allow-disabling-the-gil-with-python-gil-0-or--x-gil-0-by-swtaarrs-pull-request-116-brk5jgbq9","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/gh-116167-allow-disabling-the-gil-with-python-gil-0-or--x-gil-0-by-swtaarrs-pull-request-116-brk5jgbq9"},"datePublished":"2024-03-11T17:01:26.994Z","dateModified":"2024-05-09T09:28:05.588Z","description":"This post discusses the option to disable the GIL in Python using the PYTHON_GIL environment variable or the -X gil=0 flag. 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