1
Let's Remove the Global Interpreter Lock
Hello everyone The Python community has been discussing removing the Global Interpreter Lock for a long time. There have been various atte...
PyPy Status Blog
For many years, PyPy has been publishing blog posts here at https://morepypy.blogspot.com . From now on, the posts will be at https://pypy.org/blog . The RSS feed has moved to https://pypy.org/rss.xml . The original content has been migrated to the newer site, including comments.
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Visit morepypy.blogspot.com → RSS feedOn Hacker News Sep 2009 – Dec 2020
Software Engineering 55Programming Languages 35Systems & Performance 10Tools & Productivity 2Open Source 2History & Retro Computing 2
2
PyPy gets funding from Mozilla for Python 3.5 support
"Python 2.x versus Python 3.x": this is by now an old question. In the eyes of some people Python 2 is here to stay, and in the eyes of oth...
3
PyPy 4.0.0 Released – A Jit with SIMD Vectorization and More
PyPy 4.0.0 We’re pleased and proud to unleash PyPy 4.0.0, a major update of the PyPy python 2.7.10 compatible interpreter with a Just In ...
4
The first stable release of PyPy3
We're pleased to announce the first stable release of PyPy3. PyPy3 targets Python 3 (3.2.5) compatibility. We would like to thank all of th...
5
PyPy 2.5.0 released
PyPy 2.5.0 - Pincushion Protea We’re pleased to announce PyPy 2.5, which contains significant performance enhancements and bug fixes. ...
6
PyPy 5.0 Released
PyPy 5.0 We have released PyPy 5.0, about three months after PyPy 4.0.1. We encourage all users of PyPy to update to this version. You ...
7
PyPy 2.0 Released
We're pleased to announce PyPy 2.0. This is a stable release that brings a swath of bugfixes, small performance improvements and compatibil...
8
PyPy Project looking for sponsorship to add support for Apple Silicon
Looking for sponsorship Apple now ships Macs which are running on an arm64 variant machine with the latest version of MacOS, Big Sur M1. ...
9
PyPy 1.6 Released - Full Python 2.7.1 Implementation
We're pleased to announce the 1.6 release of PyPy. This release brings a lot of bugfixes and performance improvements over 1.5, and improve...
10
PyPy-STM: first “interesting” release
Hi all, PyPy-STM is now reaching a point where we can say it's good enough to be a GIL-less Python. (We don't guarantee there are no more...
11
PyPy 5.1 released
We have released PyPy 5.1, about a month after PyPy 5.0. This release includes more improvement to warmup time and memory requirements,...
12
PyPy is faster than C, again: string formatting
String formatting is probably something you do just about every day in Python, and never think about. It's so easy, just "%d %d" % (i, i) ...
13
PyPy2.7 and PyPy3.5 v5.7 released
The PyPy team is proud to release both PyPy2.7 v5.7 (an interpreter supporting Python v2.7 syntax), and a beta-quality PyPy3.5 v5.7 (an in...
14
PyPy for low-latency systems
PyPy for low-latency systems Recently I have merged the gc-disable branch, introducing a couple of features which are useful when you need...
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PyPy3 5.5.0 released
We're pleased to announce the release of PyPy3 v5.5.0. Coming four months after PyPy3.3 v5.2, it improves compatibility with Python 3.3 (3.3...
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Ten years of PyPy
From a software engineering perspective, 10 years is indistinguishable from infinity, so I don't care what happens 10 years from now -- as...
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PyPy v7.0.0: triple release of 2.7, 3.5 and 3.6-alpha
The PyPy team is proud to release the version 7.0.0 of PyPy, which includes three different interpreters: PyPy2.7, which is an interp...
18
PyPy's New JSON Parser
Introduction In the last year or two I have worked on and off on making PyPy's JSON faster, particularly when parsing large JSON files. I...
19
The First 15 Years of PyPy – A Personal Retrospective
A few weeks ago I (=Carl Friedrich Bolz-Tereick) gave a keynote at ICOOOLPS in Amsterdam with the above title. I was very happy to have bee...
20
PyPy v5.9 Released
The PyPy team is proud to release both PyPy3.5 v5.9 (a beta-quality interpreter for Python 3.5 syntax) and PyPy2.7 v5.9 (an interpreter sup...
21
Pypy wants you - now's the time to start contributing to Pypy
If you ever considered contributing to PyPy, but never did so far, this is a good moment to start! :-) Recently, we merged the fast-forwa...
22
PyPy funded to begin support for Python 3 and Numpy
Last year was quite successful for PyPy fundraising through the Software Freedom Conservancy , and Conservancy and PyPy are very excited to ...
23
PyPy 2.0 beta 1 released
We're pleased to announce the 2.0 beta 1 release of PyPy. This release is not a typical beta, in a sense the stability is the same or bette...
24
Inside cpyext: Why emulating CPython C API is so Hard
cpyext is PyPy's subsystem which provides a compatibility layer to compile and run CPython C extensions inside PyPy. Often people ask ...
25
Reverse Debugging for Python
RevPDB A "reverse debugger" is a debugger where you can go forward and backward in time. It is an uncommon feature, at least in the open ...
26
PyPy 1.8 - business as usual
We're pleased to announce the 1.8 release of PyPy. As habitual this release brings a lot of bugfixes, together with performance and memory i...
27
PyPy warmup improvements
Hello everyone! I'm very pleased to announce that we've just managed to merge the optresult branch. Under this cryptic name is the bigges...
28
Global Interpreter Lock, or how to kill it
People that listened to my (Armin Rigo) lightning talk at EuroPython know that suddenly, we have a plan to remove the Global Interpreter Loc...
29
PyPy v5.8 released
The PyPy team is proud to release both PyPy2.7 v5.8 (an interpreter supporting Python 2.7 syntax), and a beta-quality PyPy3.5 v5.8 (an inte...
30
Tornado Without a GIL on PyPy STM
This post is by Konstantin Lopuhin, who tried PyPy STM during the Warsaw sprint. Python has a GIL, right? Not quite - PyPy STM is a python ...