Congratulations! Excellent work. Reid
On Fri, Nov 26, 2010 at 1:23 PM, Maciej Fijalkowski <fij...@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! > > More highlights > =============== > > * PyPy's built-in Just-in-Time compiler is fully transparent and > automatically generated; it now also has very reasonable memory > requirements. The total memory used by a very complex and > long-running process (translating PyPy itself) is within 1.5x to > at most 2x the memory needed by CPython, for a speed-up of 2x. > > * More compact instances. All instances are as compact as if > they had ``__slots__``. This can give programs a big gain in > memory. (In the example of translation above, we already have > carefully placed ``__slots__``, so there is no extra win.) > > * `Virtualenv support`_: now PyPy is fully compatible with > virtualenv_: note that > to use it, you need a recent version of virtualenv (>= 1.5). > > * Faster (and JITted) regular expressions - huge boost in speeding up > the `re` module. > > * Other speed improvements, like JITted calls to functions like map(). > > .. _virtualenv: http://pypi.python.org/pypi/virtualenv > .. _`Virtualenv support`: > http://morepypy.blogspot.com/2010/08/using-virtualenv-with-pypy.html > .. _`in production`: > http://morepypy.blogspot.com/2010/11/running-large-radio-telescope-software.html > .. _`our blog`: http://morepypy.blogspot.com > .. _`pypy 1.4 and pypy 1.3`: > http://speed.pypy.org/comparison/?exe=1%2B41,1%2B172&ben=1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20&env=1&hor=false&bas=1%2B41&chart=normal+bars > .. _`pypy 1.4 and cpython 2.6`: > http://speed.pypy.org/comparison/?exe=2%2B35,1%2B172&ben=1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20&env=1&hor=false&bas=2%2B35&chart=normal+bars > > Cheers, > > Carl Friedrich Bolz, Antonio Cuni, Maciej Fijalkowski, > Amaury Forgeot d'Arc, Armin Rigo and the PyPy team > _______________________________________________ > Python-Dev mailing list > Python-Dev@python.org > http://mail.python.org/mailman/listinfo/python-dev > Unsubscribe: > http://mail.python.org/mailman/options/python-dev/reid.kleckner%40gmail.com > _______________________________________________ Python-Dev mailing list Python-Dev@python.org http://mail.python.org/mailman/listinfo/python-dev Unsubscribe: http://mail.python.org/mailman/options/python-dev/archive%40mail-archive.com
