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Employing NumPy's NPY Format for Faster Than Parquet DataFrame Storage
YouTube·PyCon US
Explore the potential of NumPy's NPY format as a faster alternative to Parquet for DataFrame storage in this PyCon US talk. Dive into the challenges of serializing DataFrames and learn how a custom NPZ file format with JSON metadata can offer significant performance and compatibility advantages. Examine detailed read/write performance comparisons between Parquet and NPZ across various DataFrame shapes and dtype compositions. Discover techniques for optimizing Python routines for NPY file operations and explore applications for memory-mapping complete DataFrames using NPY representation. Gain insights into improving data science workflows and reducing compute costs through this innovative approach to DataFrame storage.