>The C implementation has this code:
>
>"""
> if (PyDict_DelItem(so->data, item) == -1) {
> if (!PyErr_ExceptionMatches(PyExc_KeyError))
> return NULL;
> PyErr_Clear();
> }
>"""
>
>Which is more-or-less the same as the sets.Set version, right? What I was
>wondering was whether changing that C to a C version of your dict.pop()
>version would also result in speedups. Are Exceptions really that slow,
>even at the C level?
No, exceptions are fast at the C level - all they do is set a flag. The
expense of exceptions is saving a restoring python frames, I think,
which doesn't happen in this case. So the current implementation is
ideal for C code - clear and fast.
--
Andrew McNamara, Senior Developer, Object Craft
http://www.object-craft.com.au/
_______________________________________________
Python-Dev mailing list
Python-Dev@python.org
http://mail.python.org/mailman/listinfo/python-dev
Unsubscribe:
http://mail.python.org/mailman/options/python-dev/archive%40mail-archive.com
