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  • #2190

Closed
Open
Created Nov 17, 2015 by Bitbucket Importer@bitbucket_importerMaintainer

Possible performance regression from 2.6.1 to 4.0.0

Created originally on Bitbucket by oberstet (Tobias Oberstein)

I've done some measurements comparing JSON and MsgPack serialization/deserialization performance

https://github.com/oberstet/scratchbox/tree/master/python/serperf

MsgPack deserialization seems significantly slower (>30%), e.g.

PyPy 4.0.0: 23642935 objs/sec PyPy 2.6.1: 32081015 objs/sec

Note: the MsgPack library used (https://github.com/msgpack/msgpack-python) runs pure Python code when on PyPy and uses PyPy's string builder (https://github.com/msgpack/msgpack-python/blob/master/msgpack/fallback.py).

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