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So I was messing around in idle with recursion, and I noticed that a loop using recursion was much … Read more Why Is Recursion In Python So Slow?

I am implementing a Genetic Algorithm. For this algorithm a number of iterations (between 100 to 50… Read more Faster Way To Group Data Than Pandas Groupby

Suppose I have a column vector y with length n, and I have a matrix X of size n*m. I want to check … Read more Numpy Element-wise In Operation

Let say I have two large 2-d numpy array of same dimensions (say 2000x2000). I want to sum them ele… Read more Is There A Faster Way To Add Two 2-d Numpy Array

I have a simple view which renders an HTML template. No variables whatsoever and no database querie… Read more Django Performance, Slow Ttfb Without Any Queries

I am profiling a numpy dot product call. numpy.dot(pseudo,pseudo) pseudo is a numpy array of cust… Read more Reasons Of Slowness In Numpy.dot() Function And How To Mitigate Them If Custom Classes Are Used?

I have wrote some very simple tests (I know, they are not 'conclusive', but they make me cu… Read more Why Is Python's 'all' Function So Slow?

I need to match certain URLs in web application, i.e. /123,456,789, and wrote this regex to match t… Read more Why Does This Take So Long To Match? Is It A Bug?