[issue22524] PEP 471 implementation: os.scandir() directory scanning function

[Antoine Pitrou]

Antoine Pitrou added the comment:

Ok, I've found it. The numbers don't look that good here (Linux, SSD):

$ ~/cpython/opt/python benchmark.py -c python /usr/share/ 
[...]
os.walk took 1.266s, scandir.walk took 1.852s -- 0.7x as fast

$ ~/cpython/opt/python benchmark.py -c c /usr/share/ 
[...]
os.walk took 1.276s, scandir.walk took 1.266s -- 1.0x as fast

$ ~/cpython/opt/python benchmark.py -c os /usr/share/ 
[...]
os.walk took 1.278s, scandir.walk took 0.585s -- 2.2x as fast

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<http://bugs.python.org/issue22524>
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