[Patches] [ python-Patches-430948 ] Performance improvement for profiler

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Patches item #430948, was updated on 2001-06-06 22:29
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Category: library
Group: None
Status: Open
Resolution: None
Priority: 5
Submitted By: Fred L. Drake, Jr. (fdrake)
Assigned to: Tim Peters (tim_one)
Summary: Performance improvement for profiler

Initial Comment:
This patch adds a bit of complexity to
Profile.__init__() in an effort to reduce the overhead
of the profiler.  The essential piece of the puzzle is
that the general Profile.get_time() method is replaced
with a function which does only as much as is needed
for the underlying timer.  For example, if time.clock()
is available, it can become a PyCFunction instead of a
bound method, requires only 1 dict lookup to execute
instead of the 11 it takes to execute get_time()
without this patch.

Also removes a couple of duplicate imports from the "if
__name__ == ..." section.


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>Comment By: Fred L. Drake, Jr. (fdrake)
Date: 2001-06-06 22:30

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I should note that this works with both 2.1.1 and 2.2,
though this is not a bugfix.

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