Has anyone tried to use Pyrex with BTree datastructures? I tried to use Pyrex to optimize a bottleneck in TextIndexNG3 where an iteration over a list of word ids (and insertion into an IOBTree) takes very long. Unfortunately the C extension produced by Pyrex behaves differently from the original code because several unittests do fail...anyone with similar experiences?
I haven't tried this, quite an interesting experiment, though. I've used Pyrex extensively with lxml (wrapping libxml2), but there I'm not comparing with hand-written C code so it's a difficult situation to compare.
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