Message296344
| Author |
serhiy.storchaka |
| Recipients |
benjamin.peterson, pitrou, serhiy.storchaka, stutzbach, vstinner |
| Date |
2017年06月19日.14:21:06 |
| SpamBayes Score |
-1.0 |
| Marked as misclassified |
Yes |
| Message-id |
<1497882067.09.0.778319622352.issue30404@psf.upfronthosting.co.za> |
| In-reply-to |
| Content |
Writing separate lines:
$ ./python -m timeit -s 'import sys' -s 'with open("setup.py") as f: s = f.readlines()' 'sys.stderr.writelines(s)' 2>/dev/null
200 loops, best of 5: 1.07 msec per loop
$ ./python -u -m timeit -s 'import sys' -s 'with open("setup.py") as f: s = f.readlines()' 'sys.stderr.writelines(s)' 2>/dev/null
Unpatched: 50 loops, best of 5: 5.89 msec per loop
Patched: 100 loops, best of 5: 3.32 msec per loop
Writing separate characters:
$ ./python -m timeit -s 'import sys' -s 'with open("setup.py") as f: s = list(f.read())' 'sys.stderr.writelines(s)' 2>/dev/null
10 loops, best of 5: 30 msec per loop
$ ./python -u -m timeit -s 'import sys' -s 'with open("setup.py") as f: s = list(f.read())' 'sys.stderr.writelines(s)' 2>/dev/null
Unpatched: 5 loops, best of 5: 49.2 msec per loop
Patched: 2 loops, best of 5: 137 msec per loop |
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