I should add I compared python 2.5 and pypy for mac 1.4 64bits. Massimo
On Nov 27, 12:20 pm, mdipierro <[email protected]> wrote: > I tried PyPy 1.4 today. > > web2py worked out of the box and I am impressed by this. I run some > tests: > > TEST1 (web2py) > ===== > > I run some (sloppy) benchmarks on OSX with ab and I found PyPy to be a > bit lower > > no model, no logic, just hello world with trivial template > > Cpython: 4ms/request > PyPy: 8ms/request > > More complex example (auth, crud, service): the welcome app > > Cpython: 68ms/request > PyPy: 89ms/request > > I found an occasional "segmentation fault" crash of web2py. I could > not identify the cause. > > TEST2 (no web2py, no web server, just loops) > ===== > > I benchmarked a simple program that performs two nested loops (not > web2py, not web related) and I found: > > cPython: 23s > pypy: 15s > > Pypy is indeed faster in this case. > > TEST 3 (no web2py, just rocket and wsgi hello world) > ====== > > cpython: 0.849ms/request > pypy: 2.109ms/request > > Massimo > > On Nov 26, 6:51 pm, Phyo Arkar <[email protected]> wrote: > > > I think its time try to give web2py on pypy 1.4 a try! its production > > quality they said. > > > ---------- Forwarded message ---------- > > From: Maciej Fijalkowski <[email protected]> > > Date: Fri, 26 Nov 2010 20:23:45 +0200 > > Subject: [pypy-dev] PyPy 1.4 released > > To: PyPy Dev <[email protected]>, "<[email protected]>" > > > <[email protected]>, [email protected] > > > =============================== > > 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-so... > > .. _`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,... > > .. _`pypy 1.4 and cpython > > 2.6`:http://speed.pypy.org/comparison/?exe=2%2B35,1%2B172&ben=1,2,3,4,5,6,... > > > Cheers, > > > Carl Friedrich Bolz, Antonio Cuni, Maciej Fijalkowski, > > Amaury Forgeot d'Arc, Armin Rigo and the PyPy team > > _______________________________________________ > > [email protected]http://codespeak.net/mailman/listinfo/pypy-dev > >
