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Thread: Encode's Compression Corpus (EncCC)

  1. #1
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    Encode's Compression Corpus (EncCC)

    I never post any benchmark results - since I'm a programmer. How can I rate my own software? But I have my own test files/compression corpus. You may download this corpus to test data compression programs, including your own if any. As you know I frequently post testing results with these files. Whatsoever, check this out:

    http://compressme.net/enccc.rar

    Encode's Compression Corpus contains:
    Doom3.exe (5,427,200 bytes) - The Doom 3 game executable
    MPTRACK.EXE (1,159,172 bytes) -
    MODPlug Tracker executable
    Photoshop.exe (19,533,824 bytes) -
    Adobe Photoshop CS2 executable
    Reaktor.exe (14,446,592 bytes) -
    Native Instruments' Reaktor 4 executable
    TraktorDJStudio3.exe (29,124,024 bytes) -
    Native Instruments' Traktor DJ Studio 3 executable
    PariahInterface.utx (24,375,895 bytes) - A texture file from the WarPath game
    Mech8.s3m (747,600 bytes) - Converted sound module from Unreal Tournament game
    track5.WAV (29,644,608 bytes) - A song on Russian by Vladimir Presnyakov (Rip from an original CD)



  2. #2
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    Have you all scores for these files gathered in some file, site or post?

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    Programmer schnaader's Avatar
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    Seems to be a good benchmark for executable, embedded image and audio. Precomp doesn't detect anything even in brute mode (except one small false positive).

    Interestingly, paq8px (v111, a bit old) detects a 123 KB JPG in PariahInterface.utx (offset 1001499 - 10138778 ), this is a false positive (see attachment). Also, it doesn't seem to detect the .wav correctly. It detects all of the executables though.

    So, some results with Precomp and paqpx compared to the RAR, just because I was curious Test system is a DELL E6540, 4 cores + HT @ 2.7 GHz, SSD

    Code:
    RAR                               39.925.276 Bytes
    7-Zip Store + Precomp 0.4.6       44.724.634 Bytes - 28 s   // nothing detected, so this is just basic LZMA2
    7-Zip Store + Precomp 0.4.6 -lt1  44.266.262 Bytes - 60 s   // 1 thread instead of 8
    paq8px_v111 -3                    38.022.601 Bytes - 14 min
    paq8px_v111 -4                    31.172.781 Bytes - 119 min
    Attached Images Attached Images
    Last edited by schnaader; 9th November 2017 at 19:56.
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  4. The Following User Says Thank You to schnaader For This Useful Post:

    encode (11th November 2017)

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    The Founder encode's Avatar
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    Quote Originally Posted by Darek View Post
    Have you all scores for these files gathered in some file, site or post?
    Nope. I'm just testing my own programs on these files for decades...

  6. The Following User Says Thank You to encode For This Useful Post:

    Darek (11th November 2017)

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    Code:
    mycode.exe enccc.tar        64.781.204 Bytes - 1 s          //  1 thread.

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    Member nikkho's Avatar
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    Not bad FileOptimizer being lossleess and keeping original format!

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