Kay Schluehr wrote:
Anton Vredegoor wrote:
I'm not involved in PyPy myself but this would seem a logical
possibility. To go a step further, if the compiler somehow would know
about the shortest machine code sequence which would produce the
desired effect then there would be no reason to limit
Kay Schluehr wrote:
Anton Vredegoor wrote:
I'm not involved in PyPy myself but this would seem a logical
possibility. To go a step further, if the compiler somehow would know
about the shortest machine code sequence which would produce the
desired effect then there would be no reason to
Anton Vredegoor wrote:
I'm not involved in PyPy myself but this would seem a logical
possibility. To go a step further, if the compiler somehow would know
about the shortest machine code sequence which would produce the
desired effect then there would be no reason to limit onself to only
Hi Kay,
On Mon, May 23, 2005 at 13:39 -0700, Kay Schluehr wrote:
Does it mean You create an RPython object that runs on top of CPython,
but is just an RPython facade wrapped around a CPython object? So You
have four kinds of Pythons:
RPy - translateable into LL code
APy -
Carl Friedrich Bolz wrote:
Rumors have it that the secret goal is being faster-than-C which is
nonsense, isn't it?
Maybe not. If one can call functions from a system dll (a la ctypes,
some other poster already mentioned there was some investigation in
this area) one can skip a layer of the
Kay Schluehr wrote:
Speed isn't even the biggest problem when running PyPy on itself.
PyPy still 'fakes' some objects, e.g. borrows them from the underlying
Python.
Does it mean You create an RPython object that runs on top of CPython,
but is just an RPython facade wrapped around a CPython
so what could this PyPy do in the future ? .. concretely ...
hope this is not a stupid question
--
ionel.
--
http://mail.python.org/mailman/listinfo/python-list
ionel wrote:
so what could this PyPy do in the future ? .. concretely ...
hope this is not a stupid question
Maybe the description from the homepage says it best:
The PyPy project aims at producing a flexible and fast Python
implementation. The guiding idea is to translate a Python-level
Christian == Christian Tismer [EMAIL PROTECTED] writes:
PyPy is written in python, if it can be compiled then the programs
can
be as well.
Christian Well, this is not really true. PyPy is written in
Christian RPython, a sub-language of Python that is implicitly
The question still remains, can it run it's self? ;)
On 20 May 2005, at 23:50, Kay Schluehr wrote:
holger krekel wrote:
Welcome to PyPy 0.6
*The PyPy Development Team is happy to announce the first
public release of PyPy after two years of spare-time and
half a year
holger krekel wrote:
The PyPy 0.6 release
*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.*
Yay! Congratulations
Ville Vainio wrote:
Christian == Christian Tismer [EMAIL PROTECTED] writes:
PyPy is written in python, if it can be compiled then the programs
can
be as well.
Christian Well, this is not really true. PyPy is written in
Christian RPython, a sub-language of Python
Alex Stapleton wrote:
The question still remains, can it run it's self? ;)
I think they try, every once in a while, to self host. The only problem
at this stage of the game is the ~2000x speed slowdown. Using that
figure, a five second startup time for PyPy on CPython would take about
3
Rocco Moretti wrote:
Alex Stapleton wrote:
The question still remains, can it run it's self? ;)
This allready worked in the past, though it doesn't at the moment.
I think they try, every once in a while, to self host. The only problem
at this stage of the game is the ~2000x speed
Mike Meyer wrote:
Basically, there's a *lot* of history in programming languages. I'd
hate to see someone think that we went straight from assembler to C,
or that people didn't understand the value of dynamic languages very
early.
Yes, although I wasn't following historical events; I was
Carl Friedrich Bolz wrote:
Rocco Moretti wrote:
Alex Stapleton wrote:
The question still remains, can it run it's self? ;)
This allready worked in the past, though it doesn't at the moment.
I think they try, every once in a while, to self host. The only
problem
at this stage of
Shane Hathaway [EMAIL PROTECTED] writes:
Mike Meyer wrote:
Basically, there's a *lot* of history in programming languages. I'd
hate to see someone think that we went straight from assembler to C,
or that people didn't understand the value of dynamic languages very
early.
Yes, although
this is interesting
anyway i'm to lazy to read so i'll just ask:
can PyPy at the current state of develepment help me improve my python programs? (speed)-- ionel.
--
http://mail.python.org/mailman/listinfo/python-list
On Sun, May 22, 2005 at 19:18 +0200, ionel wrote:
this is interesting
anyway i'm to lazy to read so i'll just ask:
can PyPy at the current state of develepment help me improve my python
programs? (speed)
no, it can't at this stage. You might check out Psyco,
the specializing compiler for
Hallchen!
Kay Schluehr [EMAIL PROTECTED] writes:
[...]
[...] Once You get enough speed out of the PyPy-runtime and the
community shifts to it the PEP-process degenerates in the view of
a PyPythonista to discussions about aspects of the std-objectspace
and language design patterns. There
Torsten Bronger [EMAIL PROTECTED] writes:
Please could somebody explain to us non-CS people why PyPy could
have speed features CPython can't have?
Does the one-word answer compiler explain enough?
--
http://mail.python.org/mailman/listinfo/python-list
Ville == Ville Vainio [EMAIL PROTECTED] writes:
Ville This is not about PyPy but it might help:
Ville http://www.python.org/pycon/dc2004/papers/1/paper.pdf
(It's about starkiller, sorry about the opaque url)
--
Ville Vainio http://tinyurl.com/2prnb
--
Torsten Bronger wrote:
Hallchen!
Kay Schluehr [EMAIL PROTECTED] writes:
[...]
[...] Once You get enough speed out of the PyPy-runtime and the
community shifts to it the PEP-process degenerates in the view of
a PyPythonista to discussions about aspects of the std-objectspace
and language
Torsten Bronger wrote:
Hallöchen!
Paul Rubin http://[EMAIL PROTECTED] writes:
Torsten Bronger [EMAIL PROTECTED] writes:
Please could somebody explain to us non-CS people why PyPy could
have speed features CPython can't have?
Does the one-word answer compiler explain enough?
No,
Shane Hathaway wrote:
Now people are experimenting with high level compilers written in
high level
languages. Where will this pattern lead? Who knows. :-)
Drift from old Europe ( greek Pythons ) to old India to Nagas and
other snake-beings and goddesses :-)
Hi!
Ville Vainio wrote:
Torsten == Torsten Bronger [EMAIL PROTECTED] writes:
Torsten What's supposed to be compiled? Only PyPy itself or also
Torsten the programs it's interpreting?
PyPy is written in python, if it can be compiled then the programs can
be as well.
That's
Shane Hathaway wrote:
snip
Please could somebody explain to us non-CS people why PyPy could
have speed features CPython can't have?
The idea is to shift more of the responsibility to optimize code from
the human to the computer. Since C code is at a low level, the
computer
can only
Torsten Bronger [EMAIL PROTECTED] wrote in message
news:[EMAIL PROTECTED]
Hallchen!
Paul Rubin http://[EMAIL PROTECTED] writes:
Torsten Bronger [EMAIL PROTECTED] writes:
Please could somebody explain to us non-CS people why PyPy could
have speed features CPython can't have?
Does the
beliavsky C++ is a higher level language than C,
From the compiler's viewpoint C++ is not much higher level than C. It has
the same basic types, (structs, unions and C++ classes are really the same
thing data-wise, though C++ classes can be somewhat more complex
layout-wise) and supports
Shane Hathaway [EMAIL PROTECTED] writes:
Torsten Bronger wrote:
Even if things don't turn out that way, note that each generation of
programming languages builds on its predecessors, and PyPy could help
bootstrap the next generation. Assemblers first had to be written in
machine code; when
Torsten Bronger wrote:
...
I've been told by so many books and on-line material that Python
cannot be compiled (unless you cheat). So how is this possible?
Have a look at Psyco, that will be folded into and improved
by PyPy.
--
Christian Tismer :^) mailto:[EMAIL PROTECTED]
Ville Vainio wrote:
Torsten == Torsten Bronger [EMAIL PROTECTED] writes:
Torsten What's supposed to be compiled? Only PyPy itself or also
Torsten the programs it's interpreting?
PyPy is written in python, if it can be compiled then the programs can
be as well.
Well, this is
Christian Tismer [EMAIL PROTECTED] writes:
Type inference works fine for our implementation of Python,
but it is in fact very limited for full-blown Python programs.
Yoou cannot do much more than to try to generate effective code
for the current situation that you see. But that's most often
On 21 May 2005 17:57:17 -0700, Paul Rubin http://phr.cx@nospam.invalid
wrote:
Christian Tismer [EMAIL PROTECTED] writes:
Type inference works fine for our implementation of Python,
but it is in fact very limited for full-blown Python programs.
Yoou cannot do much more than to try to generate
Jp Calderone [EMAIL PROTECTED] writes:
Have you profiler data in support of this? Suggesting
optimizations, especially ones which require semantic changes to
existing behavior, without actually knowing that they'll speed things
up, or even that they are targetted at bottleneck code, is kind of
The PyPy 0.6 release
*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
Welcome to PyPy 0.6
*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
holger krekel wrote:
Welcome to PyPy 0.6
*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.*
Congratulation to You
[EMAIL PROTECTED] wrote:
Kay Schluehr wrote:
holger krekel wrote:
Welcome to PyPy 0.6
*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
Christian Tismer [EMAIL PROTECTED] writes:
PyPy is just a completely new approach to interpreted languages,
almost based upon known compiler technology, but applying this in a
consequent manner, that has no comparable prior example.
Is there a web page describing what's new? Compile-and-go
Christian Tismer wrote:
[EMAIL PROTECTED] wrote:
Kay Schluehr wrote:
holger krekel wrote:
Welcome to PyPy 0.6
*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
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