[issue22557] Local import is too slow

[Serhiy Storchaka]

Serhiy Storchaka added the comment:

faster_import_pkg.patch optimizes also an import of names with dots.

$ ./python -m timeit 'import os.path'
Unpatched:                100000 loops, best of 3: 2.08 usec per loop
faster_import_5.patch:    1000000 loops, best of 3: 1.79 usec per loop
faster_import_pkg.patch:  1000000 loops, best of 3: 0.474 usec per loop

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Added file: http://bugs.python.org/file43567/faster_import_pkg.patch

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<http://bugs.python.org/issue22557>
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