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Showing posts with the label Performance

Improving Runtime Of Python Numpy Code

I have a code which reassigns bins to a large numpy array. Basically, the elements of the large arr… Read more Improving Runtime Of Python Numpy Code

Why Is Recursion In Python So Slow?

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?

Efficient Python Array With 100 Million Zeros?

What is an efficient way to initialize and access elements of a large array in Python? I want to cr… Read more Efficient Python Array With 100 Million Zeros?

Python - Efficient Method To Remove All Non-letters And Replace Them With Underscores

def format_title(title): ''.join(map(lambda x: x if (x.isupper() or x.islower()) else &… Read more Python - Efficient Method To Remove All Non-letters And Replace Them With Underscores

Efficient Way Of Xml Parsing In Elementtree(1.3.0) Python

I am trying to parse a huge XML file ranging from (20MB-3GB). Files are samples coming from differe… Read more Efficient Way Of Xml Parsing In Elementtree(1.3.0) Python

How Do I Make My Implementation Of Greedy Set Cover Faster?

I came up with the following implementation for the Greedy Set Cover after much discussion regardin… Read more How Do I Make My Implementation Of Greedy Set Cover Faster?

Python Operator, No Operator For "not In"

This is a possibly silly question, but looking at the mapping of operators to functions I noticed t… Read more Python Operator, No Operator For "not In"

Cython String Concatenation Is Super Slow; What Else Does It Do Poorly?

I have a large Python code base which we recently started compiling with Cython. Without making an… Read more Cython String Concatenation Is Super Slow; What Else Does It Do Poorly?