On Sun, Nov 2, 2008 at 3:51 PM, Mathieu Malaterre <[EMAIL PROTECTED]> wrote: > On Sun, Nov 2, 2008 at 3:12 PM, Thomas Berg <[EMAIL PROTECTED]> wrote: >> On Sun, Nov 2, 2008 at 2:11 PM, David Abrahams <[EMAIL PROTECTED]> wrote: >>> >>> on Sat Nov 01 2008, Paul Melis <paul-AT-pecm.nl> wrote: >>> >>>> Gustavo Carneiro wrote: >>>>> >>>>> There's an interesting question about whether it's better to use >>>>> boost.python or SWIG. I've been using boost.python for years, so I >>>>> have a lot invested in it, but if I were starting from scratch, I >>>>> might consider using SWIG because it gives you the flexibility to >>>>> generate wrappers for languages other than Python. >>>>> >>>>> >>>>> On the other hand, SWIG generates ugly and inneficient code, at least >>>>> for the Python case. >>>> I'd like to see proof of the claim that SWIG's wrapper code is >>>> inefficient. In my experience it is not more inefficient than what, for >>>> example, boost.python via Py++ provides. >>> >>> I doubt that SWIG generates less efficient code. However, I would be >>> surprised if SWIG's is as careful about dealing with lifetime and >>> ownership issues that are crucial to writing Pythonic and un-crashable >>> bindings as Boost.Python is. >>> >>> -- >>> Dave Abrahams >>> BoostPro Computing >>> http://www.boostpro.com >>> _______________________________________________ >>> Cplusplus-sig mailing list >>> Cplusplus-sig@python.org >>> http://mail.python.org/mailman/listinfo/cplusplus-sig >>> >> >> >> At the Europython 2004 conference, there was a talk with the topic >> "Python Wrapper Tools: A Performance Study". I'm unable to find the >> pdf online now, it used to be located here: >> http://people.web.psi.ch/geus/talks/europython2004_geus.pdf >> >> It contains results from benchmarking wrapped calls with the different >> tools. Things may have changed now, of course, but SWIG was found to >> have larger overhead than the other alternatives. Also, SIP was found >> to be faster than boost python. I still have the pdf if anyone is >> interested. >> > > it's available on web.archive.org > > http://web.archive.org/web/20070703071726/http://people.web.psi.ch/geus/talks/europython2004_geus.pdf >
http://europython-develop.zope.nl/conferences/epc2004/slides/science/geus_wrap_perf $ gunzip -c geus_wrap_perf > out.pdf 2cts _______________________________________________ Cplusplus-sig mailing list Cplusplus-sig@python.org http://mail.python.org/mailman/listinfo/cplusplus-sig
