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Armin Rigo | 5 Sep 2007 13:37
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Branch Merged!

Hi all,

We've just merged the pypy-more-rtti-inprogress branch.  For those of
you still working in there - I'm thining about Simon in particular - you
need to switch back to the regular trunk.  In principle, you can issue
the following command in your working copy even if there are local
changes, which should stay untouched as long as they don't conflict (but
make a backup, just in case!):

In a checkout of pypy/dist/pypy, in the 'pypy' directory:

    svn switch http://codespeak.net/svn/pypy/dist/pypy

This branch was a port of all low-level functions of the os module to
use the new RFFI interface.  The branch also contains progress made on
RFFI itself.  I've tested and fixed the branch yesterday for Windows XP,
so it should compile there as well.

A bientot,

Armin.
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Godefroid Chapelle | 6 Sep 2007 10:43
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Help raise Open Source visibility in the government area

Hi,

( If you have already received this email and have voted, thank you ! )
( If you have not voted, and wanted to, this is a nice reminder. )
( If you do not wish to vote, sorry for the noise. )

Please take 10 minutes to help raise open source profile in the
government area by voting for the PloneGov project at the european egov
awards.

See below what PloneGov is and why you could vote to support open source
even if you do not use Plone.

Anyone from any country can vote, you don't have to live in the EU.
And please vote *now*, the deadline is almost upon us **SEPTEMBER 7** —
you are likely to forget if you don't set aside 10 minutes now.

This process is unfortunately a bit involved — since
we're dealing with governments — but shouldn't take longer than 10
minutes to complete. Step-by-step:

1. Go to http://www.epractice.eu/register

2. Wait for the email confirmation and log in.

3. Fill out your profile:
    http://www.epractice.eu/myprofile/personal
    http://www.epractice.eu/myprofile/professional
    http://www.epractice.eu/myprofile/contact
    (If you don't want to provide professional info, we suggest you add
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James Ascroft-Leigh | 9 Sep 2007 17:38
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Testing generated JavaScript code

Hi all,

I am interested in the potential for PyPy to run python code within
the web browser using, at least as a fallback, the JavaScript
interpreter.  I have my own project (very immature and not yet usable)
to try an achieve just this goal and, like PyPy, my tests exercise the
generated JavaScript code using an external interpreter (currently
rhino).

I am just writing to let you know about this great project I
discovered the other day called jpype (http://jpype.sf.net/) that lets
you interact with an in-process JVM.  Now that the JVM includes the
Rhino JS interpreter I am going to switch my tests over to using this
to run my generated JS code.  This allows a higher level interaction
between the languages because you no longer have to serialise the
output of the script to stdout and de-serialise it to compare to the
expected output.

Maybe PyPy could do the same?  I might get time to post a patch for
this but, as the attached snippet shows, it is not too hard to get
started so somebody else might want to do it sooner.  What do people
think about adding a testing dependency on the JVM and this jpype
package?

Regards,

James
Attachment (rhino.py): text/x-python, 465 bytes
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Greg Holling
 | 
11 Sep 2007 00:27






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NumPy in PyPy










Sorry if this has been posted before, but I didn’t see
anything in the archives.



 



I see that there’s been some recent activity in subversion
related to numpy in pypy (specifically in pypy/dist/pypy/rpython/numpy).  Can
anybody on this list give me some more information about this development work
(goals, status, etc.)?  I have an upcoming project where it might be
useful.



 



Thanks!



 



-         
Greg



-         

 








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Simon Burton
 | 
11 Sep 2007 07:16





Re: NumPy in PyPy


On Mon, 10 Sep 2007 16:27:41 -0600
"Greg Holling" <gholling <at> vni.com> wrote:

> 
> I see that there's been some recent activity in subversion related to
> numpy in pypy (specifically in pypy/dist/pypy/rpython/numpy).  Can
> anybody on this list give me some more information about this
> development work (goals, status, etc.)?  I have an upcoming project
> where it might be useful.

Yes, i've been working on this recently.
I really have been aiming to have this functionality at the rpython
level; it would take some re-thinking to get this to work in the
pypy interpreter. And then, i think it only makes sense to do if
we can exploit the JIT somehow.

You can see the status from looking at the test code.
I will be writing a more comprehensive email to pypy-dev in the
next few days.

One idea i had was to be able to use this in conjunction with
cpython&numpy. But that's a few weeks away from working, and would
still involve programming in rpython.

Simon.
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Carl Friedrich Bolz
 | 
11 Sep 2007 21:12






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cleanup sprint planning


Hi PyPy-Dev,

there has been the vague plan for a cleanup sprint since the end of the
EU project. It is becoming more concrete now: There is the vague idea of
doing a sprint in October/November (probably November) at Laura's place
in Gothenburg. To coordinate the possible times a bit, I have set up a
doodle:

http://doodle.ch/5awzskkt5mian94a

Please enter your available times if you want to attend. Note that this
sprint is going to be likely newbie-unfriendly because of its
refactoring and cleanup focus.

About the work for the sprint: this is a list of possible tasks (they
may be too much and some may happen before the sprint), other
suggestions are also possible as long as they involve "cleanups".

Meta-Task
---------

  - Tracker-gardening
  - Start slowly thinking about 1.1 plans

Translation toolchain
---------------------

  - finish rctypes removal
  - implement correct implicit GIL release

  - move away from implicit keepalives
  - raw_malloc should be split, rffi one should not use obmalloc (it's
    not thread-safe)
  - kill simulator, run the semi space tests on llinterp (may happen
    before)
  - have a moving gc correct version of the gc framework transformation
  - delegate finding type stuff like vtables etc to GC, cleaner interface
    for rtti, simplify translator/c/gc.py
  - think about approaches to id, especially concerning boehm, where the
    id will keep the object alive and concerning a moving GC

  - clean up the tangle of including headers in the C backend

  - review pdbplus, especially the graph commands, also in the light of
    https://codespeak.net/issue/pypy-dev/issue303 and the fact that we
    can have more than one translator/annotator around (with the
    timeshifter)
  - remember and fix the inlining exception bug

Interpreter
-----------

  - there's a shadow tracking bug it seems

  - fix taint space

  - review the things implemented at applevel whether they are
    performance-critical

JIT
-------

  - start writing real unit tests for the merging logic

Please post all comments you might have about the planning or the tasks
above.

Looking forward to a productive sprint.

Carl Friedrich & Samuele
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Maciej Fijalkowski
 | 
12 Sep 2007 17:16






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Re: pypy cleanup sprint






Few points from me:


 


* Kill half concrete wrapper (kill kill kill)


 


* Kill opaque hacks on the C backend


 


* decide how to implement constants in rffi


 


* think about/remove orphaned parts


 


* finish ll2ctypes, especially rffi_platform


 


The last one is not very much cleanup, but is needed to finish transition from rctypes (like rsocket). Also, why not make sprint in Poland? (hint, hint, cheap place).


 


PS. Greetings from china


 


Cheers,


fijal




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Carl Friedrich Bolz
 | 
13 Sep 2007 13:46






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Re: pypy cleanup sprint


Hi Maciek!

Maciej Fijalkowski wrote:
> Few points from me:
>  
> * Kill half concrete wrapper (kill kill kill)
>  
> * Kill opaque hacks on the C backend

What exactly do you mean there? The other points make sense to me.

> * decide how to implement constants in rffi
>  
> * think about/remove orphaned parts
>  
> * finish ll2ctypes, especially rffi_platform
>  
> The last one is not very much cleanup, but is needed to finish 
> transition from rctypes (like rsocket). Also, why not make sprint in 
> Poland? (hint, hint, cheap place).

I would actually prefer to make this rather important sprint at a place 
where many of us have been and where we had sprints already. Besides, we 
will be in need for sprint venues after next one, so it would be great 
if you could organize one in Poland anyway.

Cheers,

Carl Friedrich
_______________________________________________
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Paul deGrandis
 | 
13 Sep 2007 15:11






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Re: pypy cleanup sprint






If at all possibly, can we also consider a place that has cheaper air fare deals?
I'd really like to come to this sprint.

Paul




On 9/13/07, Carl Friedrich Bolz
 <cfbolz <at> gmx.de> wrote:

Hi Maciek!

Maciej Fijalkowski wrote:
> Few points from me:
>
> * Kill half concrete wrapper (kill kill kill)
>
> * Kill opaque hacks on the C backend

What exactly do you mean there? The other points make sense to me.


> * decide how to implement constants in rffi
>
> * think about/remove orphaned parts
>
> * finish ll2ctypes, especially rffi_platform
>
> The last one is not very much cleanup, but is needed to finish

> transition from rctypes (like rsocket). Also, why not make sprint in
> Poland? (hint, hint, cheap place).

I would actually prefer to make this rather important sprint at a place
where many of us have been and where we had sprints already. Besides, we

will be in need for sprint venues after next one, so it would be great
if you could organize one in Poland anyway.

Cheers,

Carl Friedrich
_______________________________________________

pypy-dev <at> codespeak.net
http://codespeak.net/mailman/listinfo/pypy-dev










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Carl Friedrich Bolz
 | 
13 Sep 2007 15:21






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Re: pypy cleanup sprint


Hi Paul,

Paul deGrandis wrote:
> If at all possibly, can we also consider a place that has cheaper air 
> fare deals?
> I'd really like to come to this sprint.

The sprint venue (as discussed on IRC a while ago) is really quite 
convenient for many, since Samuele, Laura, Jacob, Bea are living there, 
many of us know the sprint venue and the city, etc. So I don't think 
changing is a good idea. Maybe you can fly to Stockholm (or even 
Kopenhagen) and take the train? That takes a few hours but is actually 
very nice.

Cheers,

Carl Friedrich
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Gmane