[issue10227] Improve performance of MemoryView slicing

[Stefan Behnel]

Stefan Behnel <scoder at users.sourceforge.net> added the comment:

Here's another base line test: slicing an empty list

patched:

$ ./python -m timeit -s 'l = []' 'l[:]'
10000000 loops, best of 3: 0.0847 usec per loop

original:

$ ./python -m timeit -s 'l = []' 'l[:]'
10000000 loops, best of 3: 0.0977 usec per loop

That's about 13% less overhead.

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<http://bugs.python.org/issue10227>
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