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Picking up where Dropbox left off, a new development team has\u00a0released Pyston 2.0.\nPyston provides what is ultimately intended to be a drop-in replacement for the standard Python runtime, CPython. It\u2019s compatible with Python 3.8, so programs that runs with that version of Python should run as-is on Pyston.\n\nPyston performs code generation using just-in-time compilation, or JITting, to yield many of its speedups. Pure-Python programs show the largest improvements, while programs that use C\/C++ modules for faster execution, like PyTorch, show less or none.\nOne of the goals of the project was to remain as close as possible to the original implementation of CPython, since many third-party projects make assumptions about CPython behavior. Thus Pyston 2.0 began with the existing CPython codebase and added features from Pyston 1.0 that worked well, such as caching attributes and JITting. Pyston\u2019s JIT no longer uses LLVM, but\u00a0DynASM\u00a0to emit assembly directly.\nJITting is the same technique used by another project, PyPy, to deliver major speedups to Python applications \u2014\u00a0in some cases, seven times what CPython can deliver. However, Pyston\u2019s makers claim their approach has several advantages over PyPy including better compatibility with CPython\u2019s C API and lower memory consumption for common workloads (e.g., Flask and DjangoCMS).\nCreated at Dropbox, Pyston ceased development in 2017 when the\u00a0Dropbox withdrew support. Now the project is continuing under the care of some of its original developers, albeit independently.\n\u201cIn early 2020,\u201d\u00a0the official Pyston blog states, \u201cenough pieces were in place for us to start a company and work on Pyston full-time.\u201d However, unlike the original Pyston incarnation, the new version is closed-source for the time being, as its new stewards determine their business model. The source code available on the project\u2019s GitHub appears to be from its earlier incarnation, not the most recent version.\nPrebuilt binaries of Pyston are available for\u00a0Ubuntu 18.04 and Ubuntu 20.04 x86_64. 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origin-onecms"> <section class="article"> <div class="container grid entry-content "> <div class="col-12 col-10@md col-8@lg"> <div class="core"> <div class="article__main"> <div class="grid grid--cols-10@md grid--cols-8@lg article-column"> <div class="col-12 col-10@md col-6@lg col-start-3@lg"> <div class="article-column__content"> <div class="core"> <h2 class="content-subheadline"> Picking up where Dropbox left off, a new development team has released a fresh version of the just-in-time optimizing Python runtime, compatible with Python 3.8 </h2> <p></p> </div> <div class="media-with-label"> <div class="image"> <img width="1024" height="682" src="https://www.infoworld.com/wp-content/uploads/2024/06/halloween2-dayofthedead-100740086-orig.jpg?quality=50&strip=all&w=1024" class="attachment-post-thumbnail size-post-thumbnail wp-post-image" alt="Day of the Dead" data-hero="" loading="eager" decoding="async" fetchpriority="high" 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https://www.infoworld.com/wp-content/uploads/2024/06/halloween2-dayofthedead-100740086-orig.jpg?resize=252%2C168&quality=50&strip=all 252w, https://www.infoworld.com/wp-content/uploads/2024/06/halloween2-dayofthedead-100740086-orig.jpg?resize=126%2C84&quality=50&strip=all 126w, https://www.infoworld.com/wp-content/uploads/2024/06/halloween2-dayofthedead-100740086-orig.jpg?resize=720%2C480&quality=50&strip=all 720w, https://www.infoworld.com/wp-content/uploads/2024/06/halloween2-dayofthedead-100740086-orig.jpg?resize=540%2C360&quality=50&strip=all 540w, https://www.infoworld.com/wp-content/uploads/2024/06/halloween2-dayofthedead-100740086-orig.jpg?resize=375%2C250&quality=50&strip=all 375w" sizes="(max-width: 1024px) 100vw, 1024px" /> </div> <div class="media-with-label__label">Credit: Shout! Factory</div></div> </div> </div> </div> <div id="remove_no_follow"> <div class="grid grid--cols-10@md grid--cols-8@lg article-column"> <div class="col-12 col-10@md col-6@lg col-start-3@lg"> <div class="article-column__content"> <section class="wp-block-bigbite-multi-title"><div class="container"></div></section> <p>Development of <a href="https://blog.pyston.org/" rel="nofollow">Pyston</a>, a variant of the Python runtime that uses just-in-time compilation to speed up the execution of Python programs, is back on again after a long period of limbo. Picking up where Dropbox left off, a new development team has <a href="https://blog.pyston.org/2020/10/28/pyston-v2-20-faster-python" rel="nofollow">released Pyston 2.0</a>.</p> <p>Pyston provides what is ultimately intended to be a drop-in replacement for the standard Python runtime, CPython. It’s compatible with Python 3.8, so programs that runs with that version of Python should run as-is on Pyston.</p> <p>Pyston performs code generation using just-in-time compilation, or JITting, to yield many of its speedups. Pure-Python programs show the largest improvements, while programs that use C/C++ modules for faster execution, like PyTorch, show less or none.</p></div></div></div><div class="show@md"> <div class="grid grid--cols-10@md grid--cols-8@lg"> <div class="col-12 col-10@md col-8@lg col-6@xl col-start-3@xl"> <div class="advert advert--bleed-right"> <div class="advert__container"> <div class="advert__content"> <div class="ad page-ad has-ad-prefix ad-article" data-ad-template="article" data-ofp="false"></div> </div> </div> </div> </div> </div> </div><div class="grid grid--cols-10@md grid--cols-8@lg article-column">  <div class="col-12 col-10@md col-6@lg col-start-3@lg">  <div class="article-column__content">  <p>One of the goals of the project was to remain as close as possible to the original implementation of CPython, since many third-party projects make assumptions about CPython behavior. Thus Pyston 2.0 began with the existing CPython codebase and added features from Pyston 1.0 that worked well, such as caching attributes and JITting. Pyston’s JIT no longer uses LLVM, but <a href="https://luajit.org/dynasm.html" rel="nofollow">DynASM</a> to emit assembly directly.</p><div class="jwPlayer--floatingContainer"> <div id="jwplayer--floatingVideo" class="jwplayer" data-media-id="wj1ht0vS"> </div> </div> <p>JITting is the same technique used by another project, <a href="https://www.infoworld.com/article/2259928/what-is-pypy-faster-python-without-pain.html">PyPy</a>, to deliver major speedups to Python applications — in some cases, seven times what CPython can deliver. However, Pyston’s makers claim their approach has several advantages over PyPy including better compatibility with CPython’s C API and lower memory consumption for <a href="https://github.com/pyston/python-macrobenchmarks/" rel="nofollow">common workloads</a> (e.g., Flask and DjangoCMS).</p> <p>Created at Dropbox, Pyston ceased development in 2017 when the Dropbox withdrew support. Now the project is continuing under the care of some of its original developers, albeit independently.</p></div></div></div><div class="show@md"> <div class="grid grid--cols-10@md grid--cols-8@lg"> <div class="col-12 col-10@md col-8@lg col-6@xl col-start-3@xl"> <div class="advert advert--bleed-right"> <div class="advert__container"> <div class="advert__content"> <div class="ad page-ad has-ad-prefix ad-article" data-ad-template="article" data-ofp="false"></div> </div> </div> </div> </div> </div> </div><div class="grid grid--cols-10@md grid--cols-8@lg article-column">  <div class="col-12 col-10@md col-6@lg col-start-3@lg">  <div class="article-column__content">  <p>“In early 2020,” the official Pyston blog states, “enough pieces were in place for us to start a company and work on Pyston full-time.” However, unlike the original Pyston incarnation, the new version is closed-source for the time being, as its new stewards determine their business model. The source code available on the project’s GitHub appears to be from its earlier incarnation, not the most recent version.</p> <p><a href="https://github.com/pyston/pyston/releases" rel="nofollow">Prebuilt binaries of Pyston are available</a> for Ubuntu 18.04 and Ubuntu 20.04 x86_64. The development team is willing to build other editions based on user feedback.</p></div></div></div></div> </div> </div> </div>  <div id="rightrail-wrapper" class="col-12 col-10@md col-3@lg col-start-10@lg"> <div class="article__side"> <div class="show@lg rightTrailAd"> <div class="advert advert--bleed-left"> <div class="advert__container"> <div class="advert__content"> <div class="ad has-rendered has-loaded"> <div class="ad page-ad ad-topimu" data-ad-template="topimu" data-ofp="false"></div> </div> </div> </div> </div> </div> <div class="related-content-small"> <h2 class="related-content-small__title">Related content</h2> <ul class="related-content-small__cards"> <li id="nativocardrightrail-1" class="nativo"></li> <li class="related-content-small__card"> <a class="card card--xxs" href="https://www.infoworld.com/article/3557641/typescript-5-7-arrives-with-improved-error-reporting.html" rel="noreferrer" aria-label="Go to content"> <div class="card__header"> <span 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