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Author pitrou
Recipients Arfrever, alexandre.vassalotti, asvetlov, neologix, pitrou, rhettinger, serhiy.storchaka
Date 2013-05-04.14:34:14
SpamBayes Score -1.0
Marked as misclassified Yes
Message-id <1367678054.64.0.669085985384.issue17810@psf.upfronthosting.co.za>
In-reply-to
Content 
Here are some numbers:

# Without the patch

$ ./python -m timeit -s "import pickle, io; d=pickle.dumps(list(range(1000)), 4); b=io.BytesIO(d)" "b.seek(0); pickle.load(b)"
10000 loops, best of 3: 180 usec per loop

$ ./python -m timeit -s "import pickle, _pyio as io; d=pickle.dumps(list(range(1000)), 4); b=io.BytesIO(d)" "b.seek(0); pickle.load(b)" 
100 loops, best of 3: 4.52 msec per loop

# With the patch

$ ./python -m timeit -s "import pickle, io; d=pickle.dumps(list(range(1000)), 4); b=io.BytesIO(d)" "b.seek(0); pickle.load(b)"
10000 loops, best of 3: 42.8 usec per loop

$ ./python -m timeit -s "import pickle, _pyio as io; d=pickle.dumps(list(range(1000)), 4); b=io.BytesIO(d)" "b.seek(0); pickle.load(b)"
10000 loops, best of 3: 47.3 usec per loop
History
Date User Action Args
2013-05-04 14:34:14pitrousetrecipients: + pitrou, rhettinger, alexandre.vassalotti, Arfrever, asvetlov, neologix, serhiy.storchaka
2013-05-04 14:34:14pitrousetmessageid: <1367678054.64.0.669085985384.issue17810@psf.upfronthosting.co.za>
2013-05-04 14:34:14pitroulinkissue17810 messages
2013-05-04 14:34:14pitroucreate