[pypy-issue] [issue729] Pypy strangely slow when reading files

[Amaury Forgeot d Arc]

Amaury Forgeot d Arc <amauryfa at gmail.com> added the comment:

FWIW, CPython documentation says:
http://docs.python.org/library/subprocess.html#using-the-subprocess-module
If you experience performance issues, it is recommended that you try to enable
buffering by setting bufsize to either -1 or a large enough positive value (such
as 4096).

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nosy: +afa

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<https://bugs.pypy.org/issue729>
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