[issue4194] default subprocess.Popen buffer size

[Skip Montanaro]

Skip Montanaro <skip at pobox.com> added the comment:

Looks good to me:

tmp% python3.1 popentest.py
time with os.popen :  0.035565
time with subprocess.Popen :  0.031796
tmp% python3.2 popentest.py
time with os.popen :  0.03501
time with subprocess.Popen :  0.031168
tmp% python3.1
Python 3.1.1+ (release31-maint:77485M, Jan 13 2010, 19:53:41)
[GCC 4.0.1 (Apple Inc. build 5490)] on darwin
Type "help", "copyright", "credits" or "license" for more information.
>>>
tmp% python3.2
Python 3.2a0 (py3k:77484:77485, Jan 13 2010, 19:49:33)
[GCC 4.0.1 (Apple Inc. build 5490)] on darwin
Type "help", "copyright", "credits" or "license" for more information.

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<http://bugs.python.org/issue4194>
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