New submission from Serhiy Storchaka <storch...@gmail.com>: The utf-8 decoder is already well optimized. I propose a patch, which accelerates the utf-8 decoder for some of the frequent cases even more (+10-30%). In particular, for 2-bites non-latin1 codes will get about +30%.
This is not the final result of optimization. It may be possible to optimize the decoding of the ascii and mostly-ascii text (up to the speed of memcpy), decoding of text with occasional errors, reduce code duplication. But I'm not sure of the success. Related issues: [issue4868] Faster utf-8 decoding [issue13417] faster utf-8 decoding [issue14419] Faster ascii decoding [issue14624] Faster utf-16 decoder [issue14625] Faster utf-32 decoder ---------- components: Interpreter Core files: decode_utf8.patch keywords: patch messages: 159080 nosy: haypo, pitrou, storchaka priority: normal severity: normal status: open title: More fast utf-8 decoding type: performance versions: Python 3.3 Added file: http://bugs.python.org/file25326/decode_utf8.patch _______________________________________ Python tracker <rep...@bugs.python.org> <http://bugs.python.org/issue14654> _______________________________________ _______________________________________________ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
