On Sat, Feb 18, 2012 at 11:27 AM, Stefan Behnel <stefan...@behnel.de> wrote: > Amaury Forgeot d'Arc, 18.02.2012 10:08: >> 2012/2/18 Stefan Behnel >>> Stefan Behnel, 15.02.2012 12:32: >>>> http://wiki.cython.org/enhancements/pypy >>> >>> So, any volunteers or otherwise interested parties to help in getting this >>> to work? Anyone in for financial support? >> >> Actually I spent several evenings on this. >> I made some modifications to pypy, cython and lxml, >> and now I can compile and install cython, lxml, and they seem to work! >> >> For example:: >> html = etree.Element("html") >> body = etree.SubElement(html, "body") >> body.text = "TEXT" >> br = etree.SubElement(body, "br") >> br.tail = "TAIL" >> html.xpath("//text()") >> >> Here are the changes I made, some parts are really hacks and should be >> polished: >> lxml: http://paste.pocoo.org/show/552903/ >> cython: http://paste.pocoo.org/show/552904/ >> pypy changes are already submitted. > > Cool. Most of the changes look reasonable at first glance. I'll see what I > can apply on my side. We may get at least some of this into Cython 0.16 > (which is close to release). > > >> As expected, the example above is much slower on pypy, about 15x slower >> than with cpython2.6. > > Given that XML processing is currently slower in PyPy than in CPython, I > don't think that's all that bad. Users can still switch their imports to > ElementTree if they only want to push XML out and I imagine that lxml would > still be at least as fast as ElementTree under PyPy for the way in. >
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