GSoC/GCI Archive
Google Summer of Code 2013 Python Software Foundation

SciPy/NumPy : Performance parity between numpy arrays and Python scalars

by arink verma for Python Software Foundation

Small numpy arrays are very similar to Python scalars but numpy incurs a fair amount of extra overhead for simple operations. For large arrays this doesn't matter, but for code that manipulates a lot of small pieces of data, it can be a serious bottleneck.