[issue24874] Improve pickling efficiency of itertools.cycle

[Raymond Hettinger]

Raymond Hettinger added the comment:

Also, looking at the source for itertools.cycle(), it looks like the overall speed could be boosted considerably by looping over the saved list directly rather than allocating a new list iterator every time the cycle loops around.

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue24874>
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