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Showing posts with the label Performance
Max In A Sliding Window In Numpy Array

Max In A Sliding Window In Numpy Array

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I want to create an array which holds all the max()es of a window moving through a given numpy arra… Read more Max In A Sliding Window In Numpy Array
Marshal Dumps Faster, Cpickle Loads Faster

Marshal Dumps Faster, Cpickle Loads Faster

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I'm implementing a program that needs to serialize and deserialize large objects, so I was maki… Read more Marshal Dumps Faster, Cpickle Loads Faster
Python: Determine If An Unsorted List Is Contained In A 'list Of Lists', Regardless Of The Order To The Elements

Python: Determine If An Unsorted List Is Contained In A 'list Of Lists', Regardless Of The Order To The Elements

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I have a similar question to this question: Determine if 2 lists have the same elements, regardless… Read more Python: Determine If An Unsorted List Is Contained In A 'list Of Lists', Regardless Of The Order To The Elements
Converting A Series Of Ints To Strings - Why Is Apply Much Faster Than Astype?

Converting A Series Of Ints To Strings - Why Is Apply Much Faster Than Astype?

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I have a pandas.Series containing integers, but I need to convert these to strings for some downstr… Read more Converting A Series Of Ints To Strings - Why Is Apply Much Faster Than Astype?
Why Is Pandas Apply Lambda Slower Than Loop Here?

Why Is Pandas Apply Lambda Slower Than Loop Here?

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I have a pandas dataframe which I'd like to filter based on if certain conditions are met. I ra… Read more Why Is Pandas Apply Lambda Slower Than Loop Here?
Multiple Matrix Multiplication

Multiple Matrix Multiplication

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In numpy, I have an array of N 3x3 matrices. This would be an example of how I'm storing them (… Read more Multiple Matrix Multiplication