On Jan 27, 2011, at 2:06 PM, Stefan Behnel wrote: > "Martin v. Löwis", 24.01.2011 21:17: >> The Py_UNICODE type is still supported but deprecated. It is always >> defined as a typedef for wchar_t, so the wstr representation can double >> as Py_UNICODE representation. > > It's too bad this isn't initialised by default, though. Py_UNICODE is the > only representation that can be used efficiently from C code and Cython > relies on it for fast text processing. This proposal will therefore likely > have a pretty negative performance impact on extensions written in Cython as > the compiler could no longer expect this representation to be available > instantaneously.
But the whole point of the exercise is so that it doesn't have to store a 4byte-per-char representation when a 1byte-per-char rep would do. If cython wants to work most efficiently with this proposal, it should learn to deal with the three possible raw representations. James _______________________________________________ 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
