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Thread: lzpm 0.07 is here!

  1. #31
    The Founder encode's Avatar
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    LZX is the grooviest! In terms of compression vs. decompression speed is one of the best. I think the Microsoft spend a lots of money and time to achieve such result.

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    Quote Originally Posted by Bulat Ziganshin
    these "junkies" invented both e8 transformation and price-optimal parsing
    AFAIK price-optimal parsing for LZ compression is not an invention by Microsoft. The LZX algorithm was developed by Jonathan Forbes and Tomi Poutanen and published as an Amiga file archiver in 1995. The so-called LZX-2 algorithm version already had optimal parsing, however I never saw this version in action. Later in 1997 Jonathan Forbes went to Mircosoft and improved the LZX algorithm for use in Microsofts Cabinet archiver. Im not sure if Microsoft claims any patents on LZX, if so then Jonathan Forbes and Tomi Poutanen selled their authorship rights.

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    There also is some predecessor called QUANTUM:
    http://www.speakeasy.org/~russotto/quantumcomp.htm l


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    Programmer Bulat Ziganshin's Avatar
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    Quote Originally Posted by Uwe Herklotz
    AFAIK price-optimal parsing for LZ compression is not an invention by Microsoft.
    ive said about people, not a company

    Quote Originally Posted by encode
    There also is some predecessor called QUANTUM:
    we already said about this: quantum minimized amount of MATCHES while lzx - number of bits

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