2012/11/14 <mar...@v.loewis.de>: > > Zitat von Chris Withers <ch...@simplistix.co.uk>: > > >> a_dict = dict( >> x = 1, >> y = 2, >> z = 3, >> ... >> ) > > >> What can we do to speed up the former case? > > > It should be possible to special-case it. Rather than creating > a new dictionary from scratch, one could try to have the new dictionary > the same size as the original one, and copy all entries. > > I also wonder whether the PyArg_ValidateKeywordArguments call is really > necessary: if this is not a proper keyword dictionary, dict creation > could still proceed in a reasonable way.
In the common case PyArg_ValidateKeywordArguments should be a simple check. -- Regards, Benjamin _______________________________________________ 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