Message188363
| Author |
pitrou |
| Recipients |
Arfrever, alexandre.vassalotti, asvetlov, neologix, pitrou, rhettinger, serhiy.storchaka |
| Date |
2013年05月04日.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 |
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