Memory usage for 1 million loops drops from 18MB to under 1KB? An introduction to PHP generators (yield)

When handling large amounts of data in PHP, writing code that "puts everything into an array before looping with foreach" ...
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Use Cython to accelerate array iteration in NumPy

NumPy is known for being fast, but could it go even faster? Here’s how to use Cython to accelerate array iterations in NumPy. NumPy gives Python users a wickedly fast library for working with data in ...