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Showing content from https://mail.python.org/pipermail/python-dev/2009-March/087506.html below:

[Python-Dev] speeding up PyObject_GetItem

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2009/3/24 Daniel Stutzbach <daniel at stutzbachenterprises.com>:
> [...]
> 100 nanoseconds, py3k trunk:
> ceval -> PyObject_GetItem (object.c) -> list_subscript (listobject.c) ->
> PyNumber_AsSsize_t (object.c) -> PyLong_AsSsize_t (longobject.c)
> [more timings snipped]

Does removing the PyLong_Check call in PyLong_AsSsize_t
make any noticeable difference to these timings?

Mark

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