473,545 Members | 2,041 Online
Bytes | Software Development & Data Engineering Community
+ Post

Home Posts Topics Members FAQ

PyPy 0.6.1

Hi again,

On Fri, May 20, 2005 at 23:38 +0200, holger krekel wrote:
The PyPy 0.6 release
has already been superseded by the PyPy 0.6.1 bug-fix release.
We are temporarily not having access to that time machine
and thus have to fix things the old way, unfortunately.
But we are working on improving this situation.

The bug is trivial enough: py.py crashes on string formatting
the second time you run it. You can find the fixed packages
and svn-locations here:

Getting started:

have fun & sorry for the inconvenience,

holger krekel

*The PyPy Development Team is happy to announce the first
public release of PyPy after two years of spare-time and
half a year of EU funded development. The 0.6 release
is eminently a preview release.*

What it is and where to start

Getting started: http://codespeak.net/pypy/index.cgi?...g_started.html

PyPy Documentation: http://codespeak.net/pypy/index.cgi?doc

PyPy Homepage: http://codespeak.net/pypy/

PyPy is a MIT-licensed reimplementatio n of Python written in
Python itself. The long term goals are an implementation that
is flexible and easy to experiment with and retarget to
different platforms (also non-C ones) and such that high
performance can be achieved through high-level implementations
of dynamic optimisation techniques.

The interpreter and object model implementations shipped with 0.6 can
be run on top of CPython and implement the core language features of
Python as of CPython 2.3. PyPy passes around 90% of the Python language
regression tests that do not depend deeply on C-extensions. Some of
that functionality is still made available by PyPy piggy-backing on
the host CPython interpreter. Double interpretation and abstractions
in the code-base make it so that PyPy running on CPython is quite slow
(around 2000x slower than CPython ), this is expected.

This release is intended for people that want to look and get a feel
into what we are doing, playing with interpreter and perusing the
codebase. Possibly to join in the fun and efforts.

Interesting bits and highlights

The release is also a snap-shot of our ongoing efforts towards
low-level translation and experimenting with unique features.

* By default, PyPy is a Python version that works completely with
new-style-classes semantics. However, support for old-style classes
is still available. Implementations , mostly as user-level code, of
their metaclass and instance object are included and can be re-made
the default with the ``--oldstyle`` option.

* In PyPy, bytecode interpretation and object manipulations
are well separated between a bytecode interpreter and an
*object space* which implements operations on objects.
PyPy comes with experimental object spaces augmenting the
standard one through delegation:

* an experimental object space that does extensive tracing of
bytecode and object operations;

* the 'thunk' object space that implements lazy values and a 'become'
operation that can exchange object identities.

These spaces already give a glimpse in the flexibility potential of
PyPy. See demo/fibonacci.py and demo/sharedref.py for examples
about the 'thunk' object space.

* The 0.6 release also contains a snapshot of our translation-efforts
to lower level languages. For that we have developed an
annotator which is capable of infering type information
across our code base. The annotator right now is already
capable of successfully type annotating basically *all* of
PyPy code-base, and is included with 0.6.

* From type annotated code, low-level code needs to be generated.
Backends for various targets (C, LLVM,...) are included; they are
all somehow incomplete and have been and are quite in flux. What is
shipped with 0.6 is able to deal with more or less small/medium examples.
Ongoing work and near term goals

Generating low-level code is the main area we are hammering on in the
next months; our plan is to produce a PyPy version in August/September
that does not need to be interpreted by CPython anymore and will
thus run considerably faster than the 0.6 preview release.

PyPy has been a community effort from the start and it would
not have got that far without the coding and feedback support
from numerous people. Please feel free to give feedback and
raise questions.

contact points: http://codespeak.net/pypy/index.cgi?contact

contributor list: http://codespeak.net/pypy/index.cgi?...ntributor.html

have fun,

Armin Rigo, Samuele Pedroni,

Holger Krekel, Christian Tismer,

Carl Friedrich Bolz
PyPy development and activities happen as an open source project
and with the support of a consortium funded by a two year EU IST
research grant. Here is a list of partners of the EU project:

Heinrich-Heine University (Germany), AB Strakt (Sweden)

merlinux GmbH (Germany), tismerysoft GmbH(Germany)

Logilab Paris (France), DFKI GmbH (Germany)

ChangeMaker (Sweden)


Jul 19 '05 #1
0 1372

This thread has been closed and replies have been disabled. Please start a new discussion.

Similar topics

by: Armin Rigo | last post by:
PyPy Sprint announcement & news from the project ================================================ We are coming close to a first experimental release of PyPy, a more flexible Python implementation written in Python. The sprint to make this happen will take place in Amsterdam, a city know to be reachable by cheap flights :-) This is 1)...
by: Carl Friedrich Bolz | last post by:
pypy-0.7.0: first PyPy-generated Python Implementations ============================================================== What was once just an idea between a few people discussing on some nested mailing list thread and in a pub became reality ... the PyPy development team is happy to announce its first public release of a fully translatable...
by: Carl Friedrich Bolz | last post by:
pypy-0.8.0: Translatable compiler/parser and some more speed ============================================================== The PyPy development team has been busy working and we've now packaged our latest improvements, completed work and new experiments as version 0.8.0, our third public release. The highlights of this third release of...
by: Carl Friedrich Bolz | last post by:
Tokyo PyPy Sprint: 23rd - 29th April 2006 ============================================================ The next PyPy sprint is scheduled to take place 23rd- 29th April 2006 (Sunday-Saturday) in Akihabara, Tokyo, Japan. We will together with FSIJ (Free Software Initiative of Japan) aim to promote Python and PyPy. We therefor invite Japanese...
by: Michael Hudson | last post by:
The PyPy development team has been busy working and we've now packaged our latest improvements, completed work and new experiments as version 0.9.0, our fourth public release. The highlights of this fourth release of PyPy are: **implementation of "stackless" features** We now support the larger part of the interface of the original...
by: Carl Friedrich Bolz | last post by:
===================================================================== PyPy Leysin Winter Sports Sprint (8-14th January 2007) ===================================================================== ... image:: http://www.ermina.ch/002.JPG The next PyPy sprint will be in Leysin, Switzerland, for the fourth time. ...
by: holger krekel | last post by:
========================================================================= PyPy Trillke "EU and beyond!" sprints (25-28th Feb, 1-5th March 2006) ========================================================================= ... image:: http://www.trillke.net/images/HausPanorama0304_113kb.jpg Some two years and some thousands of commits later,...
by: Carl Friedrich Bolz | last post by:
====================================================================== pypy-0.99.0: new object spaces, optimizations, configuration ... ====================================================================== Welcome to the PyPy 0.99.0 release - a major snapshot and milestone of the last 8 months of work and contributions since PyPy-0.9.0...
by: Michael Hudson | last post by:
The PyPy team is sprinting at EuroPython again and we invite you to participate in our 3 day long sprint at the conference hotel - Reval Hotel Lietuva. If you plan to attend the sprint we recommend you to listen to the PyPy technical talks (`EuroPython schedule`_) during the conference since it will give you a good overview of the status of...
by: marktang | last post by:
ONU (Optical Network Unit) is one of the key components for providing high-speed Internet services. Its primary function is to act as an endpoint device located at the user's premises. However, people are often confused as to whether an ONU can Work As a Router. In this blog post, we’ll explore What is ONU, What Is Router, ONU & Router’s main...
by: Hystou | last post by:
Most computers default to English, but sometimes we require a different language, especially when relocating. Forgot to request a specific language before your computer shipped? No problem! You can effortlessly switch the default language on Windows 10 without reinstalling. I'll walk you through it. First, let's disable language...
by: jinu1996 | last post by:
In today's digital age, having a compelling online presence is paramount for businesses aiming to thrive in a competitive landscape. At the heart of this digital strategy lies an intricately woven tapestry of website design and digital marketing. It's not merely about having a website; it's about crafting an immersive digital experience that...
by: agi2029 | last post by:
Let's talk about the concept of autonomous AI software engineers and no-code agents. These AIs are designed to manage the entire lifecycle of a software development project—planning, coding, testing, and deployment—without human intervention. Imagine an AI that can take a project description, break it down, write the code, debug it, and then...
by: isladogs | last post by:
The next Access Europe User Group meeting will be on Wednesday 1 May 2024 starting at 18:00 UK time (6PM UTC+1) and finishing by 19:30 (7.30PM). In this session, we are pleased to welcome a new presenter, Adolph Dupré who will be discussing some powerful techniques for using class modules. He will explain when you may want to use classes...
by: conductexam | last post by:
I have .net C# application in which I am extracting data from word file and save it in database particularly. To store word all data as it is I am converting the whole word file firstly in HTML and then checking html paragraph one by one. At the time of converting from word file to html my equations which are in the word document file was convert...
by: TSSRALBI | last post by:
Hello I'm a network technician in training and I need your help. I am currently learning how to create and manage the different types of VPNs and I have a question about LAN-to-LAN VPNs. The last exercise I practiced was to create a LAN-to-LAN VPN between two Pfsense firewalls, by using IPSEC protocols. I succeeded, with both firewalls in...
by: 6302768590 | last post by:
Hai team i want code for transfer the data from one system to another through IP address by using C# our system has to for every 5mins then we have to update the data what the data is updated we have to send another system
by: bsmnconsultancy | last post by:
In today's digital era, a well-designed website is crucial for businesses looking to succeed. Whether you're a small business owner or a large corporation in Toronto, having a strong online presence can significantly impact your brand's success. BSMN Consultancy, a leader in Website Development in Toronto offers valuable insights into creating...

By using Bytes.com and it's services, you agree to our Privacy Policy and Terms of Use.

To disable or enable advertisements and analytics tracking please visit the manage ads & tracking page.