Comparing the Speed and Filesize of to_csv(), np.save(), to_hdf(), and to_pickle() Functions

Achieve ×66 speedup read time, ×25 write time, and ×0.39 filesize on your daily I/O operations.

Dimitris Effrosynidis
Towards Data Science
3 min readJun 4, 2021

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Reading and writing files using Pandas and NumPy is an everyday task for Data Scientists and Engineers.

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