[pypy-dev] PyPy 1.4 released

Samuele Pedroni samuele.pedroni at gmail.com
Fri Nov 26 19:49:20 CET 2010

On Fri, Nov 26, 2010 at 7:23 PM, Maciej Fijalkowski <fijall at gmail.com> wrote:
> ===============================
> PyPy 1.4: Ouroboros in practice
> ===============================
> We're pleased to announce the 1.4 release of PyPy. This is a major breakthrough
> in our long journey, as PyPy 1.4 is the first PyPy release that can translate
> itself faster than CPython.  Starting today, we are using PyPy more for
> our every-day development.  So may you :) You can download it here:
>    http://pypy.org/download.html
> What is PyPy
> ============
> PyPy is a very compliant Python interpreter, almost a drop-in replacement
> for CPython. It's fast (`pypy 1.4 and cpython 2.6`_ comparison)
> Among its new features, this release includes numerous performance improvements
> (which made fast self-hosting possible), a 64-bit JIT backend, as well
> as serious stabilization. As of now, we can consider the 32-bit and 64-bit
> linux versions of PyPy stable enough to run `in production`_.
> Numerous speed achievements are described on `our blog`_. Normalized speed
> charts comparing `pypy 1.4 and pypy 1.3`_ as well as `pypy 1.4 and cpython 2.6`_
> are available on benchmark website. For the impatient: yes, we got a lot faster!


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