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PAQ4 Archiver

Published in Non-Commercial Programs, Source Code, PPM, Arithmetic Coding

The latest in the series of multi-model compressors from Matt Mahoney. This improves on PAQ3n’s remarkable Calgary corpus performance by an additional 12K, at some expense in speed. Takes a whopping 84MB at runtime!

http://cs.fit.edu/~mmahoney/compression/paq4.cpp

         

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Posted in October 26th, 2003

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