[issue15758] 500x speed up for Popen.communicate() on Windows
Antoine Pitrou
report at bugs.python.org
Wed Aug 22 01:58:43 CEST 2012
Antoine Pitrou added the comment:
FileIO.readall() already has an overallocation mechanism which should yield linear complexity. Perhaps it needs to be tweaked a bit?
(look at new_buffersize in Modules/_io/fileio.c)
By the way, your results are bit weird. Why does the data rate increase with the transfered amount?
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