Re: PyPy and RPython

2010-09-03 Thread sarvi
Well then, wouldn't it make sense for PyPy to use Shedskin and its definition of Restricted Python? I have heard repeatedly that PyPy RPython is very difficult to use. Then why isn't PyPy using Shedskin to compile its PyPy-Jit? Sarvi On Sep 2, 11:59 pm, John Nagle wrote: > On 9/2/2010 10:30 PM,

Re: PyPy and RPython

2010-09-03 Thread John Nagle
On 9/2/2010 10:30 PM, sarvi wrote: On Sep 2, 2:19 pm, John Nagle wrote: On 9/2/2010 1:29 AM, sarvi wrote: When I think about it these restrictions below seem a very reasonable tradeoff for performance. Yes. And I can use this for just the modules/sections that are performance critica

Re: PyPy and RPython

2010-09-03 Thread Stefan Behnel
sarvi, 03.09.2010 07:30: It should technically be possible to allow Python to call a module written in RPython? What's "Python" here? CPython? Then likely yes. I don't see a benefit, though. It should also compile RPython to a python module.so right? Why (and how) would CPython do that? I

Re: PyPy and RPython

2010-09-02 Thread sarvi
On Sep 2, 2:19 pm, John Nagle wrote: > On 9/2/2010 1:29 AM, sarvi wrote: > > > When I think about it these restrictions below seem a very reasonable > > tradeoff for performance. > >     Yes. > > > And I can use this for just the modules/sections that are performance > > critical. > >     Not quit

Re: PyPy and RPython

2010-09-02 Thread John Nagle
On 9/2/2010 1:29 AM, sarvi wrote: When I think about it these restrictions below seem a very reasonable tradeoff for performance. Yes. And I can use this for just the modules/sections that are performance critical. Not quite. Neither Shed Skin nor RPython let you call from restricted

Re: PyPy and RPython

2010-09-02 Thread sarvi
enerated C code to be just as fast as Shedskin's Afterall thats how the PyPy compiler is built, right? and we do want that to be fast too? Sarvi On Sep 1, 11:39 pm, John Nagle wrote: > On 9/1/2010 10:49 AM, sarvi wrote: > > > > > > > > > Is there a pl

Re: PyPy and RPython

2010-09-01 Thread John Nagle
On 9/1/2010 10:49 AM, sarvi wrote: Is there a plan to adopt PyPy and RPython under the python foundation in attempt to standardize both. I have been watching PyPy and RPython evolve over the years. PyPy seems to have momentum and is rapidly gaining followers and performance. PyPy JIT and

Re: PyPy and RPython

2010-09-01 Thread Stefan Behnel
sarvi, 02.09.2010 07:06: Look at all the alternatives we have. Cython? Shedskin? I'll take PyPy anyday instead of them Fell free to do so, but don't forget that the choice of a language always depends on the specific requirements at hand. Cython has proven its applicability in a couple of lar

Re: PyPy and RPython

2010-09-01 Thread sarvi
On Sep 1, 6:49 pm, Benjamin Peterson wrote: > sarvi gmail.com> writes: > > Secondly I have always fantasized of never having to write C code yet > > get its compiled performance. > > With RPython(a strict subset of Python), I can actually compile it to > > C/Machine code > > RPython is not suppo

Re: PyPy and RPython

2010-09-01 Thread alex23
On Sep 2, 3:49 am, sarvi wrote: > Yet I see this forum relatively quite on PyPy or Rpython ?  Any > reasons??? For me, it's two major ones: 1. PyPy only recently hit a stability/performance point that makes it worth checking out, 2. Using non-pure-python modules wasn't straightforward (at least

Re: PyPy and RPython

2010-09-01 Thread Benjamin Peterson
sarvi gmail.com> writes: > > > Is there a plan to adopt PyPy and RPython under the python foundation > in attempt to standardize both. There is not. > > Secondly I have always fantasized of never having to write C code yet > get its compiled performance. > With

PyPy and RPython

2010-09-01 Thread sarvi
Is there a plan to adopt PyPy and RPython under the python foundation in attempt to standardize both. I have been watching PyPy and RPython evolve over the years. PyPy seems to have momentum and is rapidly gaining followers and performance. PyPy JIT and performance would be a good thing for