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The Hacker's Delight contains a description of a "hardware-oriented algorithm" for Compress and Expand (the operations I call BEXT/BDEP), and their algorithm is like really really bad. I'm talking oh-no wtf are you doing stop it now bad. (157ff in the 2nd edition, Chapter 7-6)
I'm seriously considering implementing it just to quantify how bad it is compared to [Hilewitz06]. https://github.com/cliffordwolf/bextdep … http://palms.ee.princeton.edu/PALMSopen/hilewitz06FastBitCompression.pdf …
