Richard Oudkerk added the comment: In each loop before calling read() the buffer size is recalculated based on the amount of space used, causing a realloc *regardless* of how much empty space is left in the buffer. And each read is only producing a smallish chunk (5120 bytes).
So assuming realloc fails to do an inplace realloc (and Windows is reputedly very bad at that) the amount of data copied will be O(n^2). ---------- _______________________________________ Python tracker <rep...@bugs.python.org> <http://bugs.python.org/issue15758> _______________________________________ _______________________________________________ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
