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Thread: Experimental new ZCM file compressor!

  1. #151
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    TEST Maximum compression option -m7 -s
    PC: Intel Core I7 920 2.67ghz 8 core (4 + 4 ht)

    ZCM Archiver v.0.70d Ultra
    compress.. c:/test/MSO97.DLL 3782416 to 1521055
    compress.. c:/test/FP.LOG 20617071 to 381773
    compress.. c:/test/rafale.bmp 4149414 to 723859
    compress.. c:/test/english.dic 4067439 to 537835
    compress.. c:/test/ohs.doc 4168192 to 743375
    compress.. c:/test/AcroRd32.exe 3870784 to 1126931
    compress.. c:/test/vcfiu.hlp 4121418 to 504828
    compress.. c:/test/A10.jpg 842468 to 825680
    compress.. c:/test/FlashMX.pdf 4526946 to 3662739
    compress.. c:/test/world95.txt 2988578 to 441060
    Compressed 53134726 bytes to 10469135 bytes
    Kernel Time = 0.390 = 00:00:00.390 = 2%
    User Time = 15.537 = 00:00:15.537 = 97%
    Process Time = 15.927 = 00:00:15.927 = 99%
    Global Time = 15.928 = 00:00:15.928 = 100%


    ZCM Archiver v.0.80, Extreme.
    compress.. c:/test/MSO97.DLL 3782416 to 1512807
    compress.. c:/test/FP.LOG 20617071 to 369235
    compress.. c:/test/rafale.bmp 4149414 to 712185
    compress.. c:/test/english.dic 4067439 to 531629
    compress.. c:/test/ohs.doc 4168192 to 741504
    compress.. c:/test/AcroRd32.exe 3870784 to 1118344
    compress.. c:/test/vcfiu.hlp 4121418 to 500889
    compress.. c:/test/A10.jpg 842468 to 821699
    compress.. c:/test/FlashMX.pdf 4526946 to 3658691
    compress.. c:/test/world95.txt 2988578 to 441206
    Compressed 53134726 bytes to 10408189 bytes
    Kernel Time = 0.327 = 00:00:00.327 = 2%
    User Time = 15.818 = 00:00:15.818 = 97%
    Process Time = 16.146 = 00:00:16.146 = 99%
    Global Time = 16.162 = 00:00:16.162 = 100%

    ZCM Archiver v.0.88. Unreal version.
    compress.. c:/test/MSO97.DLL 3782416 to 1527321
    compress.. c:/test/FP.LOG 20617071 to 353741
    compress.. c:/test/rafale.bmp 4149414 to 680688
    compress.. c:/test/english.dic 4067439 to 505725
    compress.. c:/test/ohs.doc 4168192 to 740605
    compress.. c:/test/AcroRd32.exe 3870784 to 1118127
    compress.. c:/test/vcfiu.hlp 4121418 to 498896
    compress.. c:/test/A10.jpg 842468 to 822698
    compress.. c:/test/FlashMX.pdf 4526946 to 3660541
    compress.. c:/test/world95.txt 2988578 to 439241
    Compressed 53134726 bytes to 10347583 bytes
    Kernel Time = 0.358 = 00:00:00.358 = 2%
    User Time = 13.587 = 00:00:13.587 = 97%
    Process Time = 13.946 = 00:00:13.946 = 99%
    Global Time = 13.963 = 00:00:13.963 = 100%
    Last edited by Nania Francesco; 22nd June 2013 at 18:45.

  2. #152
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    Results on LTCB. http://mattmahoney.net/dc/text.html#1629

    A couple of curious things.

    1. -m7 -t1 runs faster (and compresses better) than -m7 -t2 on my test machine with 2 cores. Task manager shows 3 processes running. I guess that only 2 are compressing, and a third one is polling, because it does a lot of input (many GB) and uses 1/3 of the CPU but uses very little memory.

    2. If I create an archive with 1 file with -t2 then the list command shows 3 copies of the file.

  3. #153
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    Thanks Matt for the tests performed.
    Honestly I tried to improve the multiprocessing system already from this version but I couldn't get it to work well and fast as this version uses as he understood a master and several slaves per cpu!

    option -t4

    master [1 cpu]

    slave [1 cpu] slave [1 cpu] slave [1 cpu] slave [1 cpu]
    Last edited by Nania Francesco; 23rd June 2013 at 13:42.

  4. #154
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    BMP Test


    BIM - Lossless image compressor, v0.02 - Ilya Muravyov
    canon_eos_1100d_01.bmp 36500022->10772213
    canon_eos_1100d_02.bmp 36500022->9936109
    canon_eos_1100d_03.bmp 36500022->12666883
    canon_eos_1100d_04.bmp 36500022->11215440
    canon_eos_1100d_05.bmp 36500022->11126009
    canon_eos_1100d_06.bmp 36500022->12522454
    canon_eos_1100d_07.bmp 36500022->7122128
    canon_eos_1100d_08.bmp 36500022->13259271
    292000176 to 88620507 bytes ENC=19.410 sec. DEC=19.892 sec.

    BMF lossless image compressor, v.2.01 by Dmitry Shkarin - Option Q1
    canon_eos_1100d_01.bmp 36500022 to 9002508
    canon_eos_1100d_02.bmp 36500022 to 8296308
    canon_eos_1100d_03.bmp 36500022 to 10408280
    canon_eos_1100d_04.bmp 36500022 to 9730828
    canon_eos_1100d_05.bmp 36500022 to 9462132
    canon_eos_1100d_06.bmp 36500022 to 11030500
    canon_eos_1100d_07.bmp 36500022 to 5971404
    canon_eos_1100d_08.bmp 36500022 to 11574348
    292000176 to 75476308 bytes ENC=51.091 sec. DEC=15.462 sec.

    ZCM Archiver v.0.88. - Nania Francesco Antonio option -m0 -s
    canon_eos_1100d_01.bmp 36500022 to 7779960
    canon_eos_1100d_02.bmp 36500022 to 7021940
    canon_eos_1100d_03.bmp 36500022 to 9359326
    canon_eos_1100d_04.bmp 36500022 to 8216059
    canon_eos_1100d_05.bmp 36500022 to 8152713
    canon_eos_1100d_06.bmp 36500022 to 9832086
    canon_eos_1100d_07.bmp 36500022 to 4731772
    canon_eos_1100d_08.bmp 36500022 to 10355643
    292000176 to 65449499 bytes ENC= 49.421 sec. DEC=46.629 sec.

    BMF lossless image compressor, v.2.01 by Dmitry Shkarin - Option Q1 -S
    canon_eos_1100d_01.bmp 36500022-> 7211984
    canon_eos_1100d_02.bmp 36500022-> 6530116
    canon_eos_1100d_03.bmp 36500022-> 8424468
    canon_eos_1100d_04.bmp 36500022-> 7700868
    canon_eos_1100d_05.bmp 36500022-> 7607396
    canon_eos_1100d_06.bmp 36500022-> 9426060
    canon_eos_1100d_07.bmp 36500022-> 4332072
    canon_eos_1100d_08.bmp 36500022-> 9822300
    292000176 to 61055264 bytes ENC=188.013 sec. DEC=109.932 sec.

  5. #155
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    The links to the JPG do not work .... you can take free images for instance from wikimedia commons (these links always works), for instance widescreen desktop images are here:
    http://commons.wikimedia.org/wiki/Ca...op_backgrounds
    In the website there are also gigabit images (of paintings) available.

    However, what's important here is that you have been able to further optimize a compressor that already proved to be one of the most interesting for compression and speed... and now ZCM is the most promising compressor as clearly emerges from the last update of the squeeze chart (http://www.squeezechart.com/) of Stephan Busch....
    Really, a wonderful result, Francesco!

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    Francesco,
    can you anticipate your plans or the roadmap for ZCM?
    Will ZCM have a GUI?
    Is ZCM meant to be used just for test or a stable release will made available in the future?
    Will it be closed source, open source or ... ?

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  9. #157
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    I honestly would those plans to continue filing something in terms of speed and compression. I would surely release a GUI version. As regards Open source I think is not a viable option especially when considering that would maybe a series of clones that do not satisfy my belief!

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    I think more people would use zcm if it were open source. People want to know that they can decompress their archives later, that the software won't disappear. People use zip, gzip, 7zip, and bzip2 even though there are better compressors because these are open source and in stable, well tested formats.

    Even if the format is not stable, like PAQ, making it open source means that others can make improvements to it that are open source too (if you use GPL). PAQ has about 20 authors. I could not have done it all myself.

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    It's good to hear that ZCM development will continue. I would obvioulsy like a open-source code, and I completely agree with Matt: it's easier for an open-source code to become popular and live much longer (and the author will not become less popular, maybe even more if clones appear) ... however that decision obviously entirely belong to the author, and depends from his plans and the strategy for the future... and a little of luck maybe...

    There are many other gurus of compression here, many authors.... you can share and get their point of view.
    Mat Chartier (author of MCM) is asking too about ZCM in the thread "New CM compressor in development"...

    I frequently wonder how many improvements are lost when a code is not released and how many steps in the progress would be gained if more people would share their work.

    I believe many people here and their programs would deserve to become more popular, and ZCM is for sure one of them. ZPAQ is another. And others too...
    Popularity is a great gift given by people to someone: to gain it, maybe an equivalent valuable gift must be given to the people ...
    (besides having lot of luck , too but for that is important to think positive and lateral...)...

    Will we (dummies users) ever see a Joint Compression Force team,
    for instance (for CM) Matt-ZPAQ + Francesco ZCM + Mat MCM + .... to join efforts , avoid dispersion and give a quantum leap to compression results?
    Last edited by ZGish; 28th June 2013 at 11:06.

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    Quote Originally Posted by Matt Mahoney View Post
    making it open source means that others can make improvements to it that are open source too (if you use GPL).
    Enabling others to make improvements that are open source is not specific to GPL, it's the core of FOSS.
    The key of GPL it to disable others to make improvements unless they do it in a specific way (with 'specific' being different with different GPL versions, which is why GPL v3 doesn't mix with v2 and trying to be close to a subset of 'open source')
    Last edited by m^2; 28th June 2013 at 18:46.

  16. #161
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    The main reason I use GPL is to prevent commercial use in closed source products. If they don't want to make their products open source, then they have to buy a separate license, or hire me. But I would have no problem with companies using my code in open source products.

    Sometimes I make exceptions. I made libzpaq is public domain, as any reference implementation of a standard should be.

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    When ZCM is open-sourced, I will have a chance to play with memory prefetching :]

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    I am updating the mingw benchmark at http://mattmahoney.net/dc/zpaq.html from zcm 0.80 to 0.88. Here is a comparison. (2.0 GHz T3200, 2 cores, 3 GB, Vista 32 bit). zcm v0.88 is faster with almost the same compression. But 1 thread is still faster than 2 on a 2 core machine, and update in solid mode is faster than separate files.

    Code:
    Archiver          Create mingw44   Time  Add mingw45   Time Extract (CPU)  Free Open Spec 
    -------           --------------  -----  -----------   ---- ------- -----  ---- ---- ----
    zcm v0.80
    zcm -r         (Win32)45,004,528  276.8  119,374,717  313.3  298.4         Yes  No   No
    zcm -r -m6 -t2 -s     38,021,034   94.2   78,026,436  118.2  175.3
    zcm -r -m6 -t1 -s     36,174,231   68.5   73,968,725   93.2  161.0
    zcm -r -m7 -t1 -s     36,115,632   86.0   73,846,883  101.6  176.9
    
    zcm v0.88
    zcm -r         (Win32)46,176,811  277.1  121,883,071  352.8  291.7         Yes  No   No
    zcm -r -m6 -t2 -s     38,327,556   62.2   91,216,921   79.2  153.8
    zcm -r -m6 -t1 -s     36,182,872   63.0   73,986,771   83.4  154.0
    zcm -r -m7 -t1 -s     36,118,689   66.3   73,852,323   85.7  158.5

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    zcm 0.70d and 0.88 does not work in multi-threaded mode on my core i5 with 4gb memory. Encoder works correct without key "-t" and with "-t1". Otherwise it even do not create file, shows constant value of usage memory and cpu (25-27%). Verbose mode shows that coder not works -cursor just blinking. As long while I not kill process. I tested it on windows 7 and windows xp sp2. Where may be problem?

    Sorry for my english.

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    ZCM 0.90 released!

    For extra compression !
    I have spent more time and work to the processing of data streams, so don't expect huge single file compression but a global improvement!


    News:
    - New CM core!
    - Added data recognition
    - More faster in compression/decompression!
    - More stable !
    - Corrected more bugs

    Only from:
    http://heartofcomp.altervista.org/

    @Pedofinder
    option " -t2 " enable 2 core compression
    option " -t3 " enable 3 core compression
    .... etc
    option " -t0 " enable All core compression
    Last edited by Nania Francesco; 4th May 2014 at 01:19.

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  23. #166
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    Quote Originally Posted by Nania Francesco View Post
    ZCM 0.90 released!

    For extra compression !
    I have spent more time and work to the processing of data streams, so don't expect huge single file compression but a global improvement!


    News:
    - New CM core!
    - Added data recognition
    - More faster in compression/decompression!
    - More stable !
    - Corrected more bugs

    Only from:
    http://heartofcomp.altervista.org/

    @Pedofinder
    option " -t2 " enable 2 core compression
    option " -t3 " enable 3 core compression
    .... etc
    option " -t0 " enable All core compression
    Great!

    Maximumcompression's SFC compressed to 10,411,246!

    More tests later

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    Sembra ottimo, suggerisco però di mettere (almeno) un timer per mostrare il tempo impiegato, giusto per avere un rapido raffronto (già che ci sei fai stampare anche i parametri usati, è più facile mantenerli sempre a scopo di test).

    Anche un ETA, o comunque un feedback sull'avanzamento, non sarebbe male.
    Su file ASCII-DUMP di mysql sembra efficiente quanto, e più, di ZPAQ (di gran lunga più di arc nella versione .666)

    Il working set è basso (relativamente), farò qualche ulteriore test con i "campioni" (nz in primis)


    Segnalo un piccolo bug: se fai (poniamo dall'unità z:\)
    zcm l prova
    chiude con
    "n.xxx files in archive z:\\prova"

    con due \
    Last edited by fcorbelli; 4th May 2014 at 15:40.

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  27. #168
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    Grazie fcorbelli per i commenti ! Questa versione sarà a breve aggiornata in quanto ho fatto tanti cambiamenti nella struttura del compressore e necessita di alcuni aggiustamenti !

    per vedere l'avanzamento puoi usare l'opzione "-v"


    Thanks fcorbelli for the comments! This version will be updated soon because I made so many changes in the structure of the compressor and requires some adjustments!

    to see the progress you can use the "-v"
    Last edited by Nania Francesco; 4th May 2014 at 16:14.

  28. #169
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    Mmmhhh... extensive bug-fix needed...
    zcm l => crash

  29. #170
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    Mmmhhh... extensive bug-fix needed...
    zcm l => crash
    Thanks for report .. but zcm l => crash with option and file ?
    Last edited by Nania Francesco; 4th May 2014 at 22:24.

  30. #171
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    Tested on 10GB (system 4). All files compare OK including .wav which failed for zcm v0.88. http://mattmahoney.net/dc/10gb.html

    I used -t1 because when I use -t4 (machine has 4 threads) the program sometimes continues to run forever after compression is finished. This bug was in earlier versions too and happens both in Windows (32 bit) and under Wine 1.6 in Ubuntu. It does not happen every time. What happens is 5 processes are started, I guess 4 workers that divide up the compression and one to wait until the others to finish. Sometimes this one does not detect when they finish so it waits forever in a busy loop. Also, compression is worse with -t4. flashzip has the same bug.

    Also, file dates and empty directories are not restored, but that's OK for the benchmark.

    Edit: LTCB results. http://mattmahoney.net/dc/text.html#1629
    Last edited by Matt Mahoney; 5th May 2014 at 02:54.

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    Thanks for all test Matt!
    Hi !

  32. #173
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    Thanks for new version.
    But brief tests show up quite bad results
    ZCM 0.90 brings degradation in compression ratio.

    Test 1: different texture types. DXT1\3\5 and also some RAW formats with different bitdepth. Everything combined into single TAR of 2 353 697 792 bytes.
    Code:
                        size          time            memory
    zcm 0.88 -m7	169 146 440	147.265s	1719712 KB
    zcm 0.90 -m7	181 092 627	149.875s	1716004 KB	     <- 7.06% worser compression
    Test 2: GIMP 2.8.4-win-x64, 4388 files, 252 161 274 bytes
    Code:
                        size          time            memory
    zcm 0.88 -m7	 48 724 512	 61.375s	1720140 KB
    zcm 0.90 -m7	 48 834 412	 59.343s	1716432 KB     <- 0.23% worse compression
    I can also confirm that multitask is highly unstable. I can't remember even one time I was able successfully run ZCM with -t8
    Last edited by Skymmer; 17th May 2014 at 08:42. Reason: fixed incorrect size of tar file

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    ZCM 0.91 released!


    News:
    - Implemented CM core!
    - Implemented data recognition
    - More stable !
    - Improved better compression

    Only from:
    http://heartofcomp.altervista.org/

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    Hi Nania..

    I am always getting "no memory" message - with and without -t switches.

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  37. #176
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    Quote Originally Posted by Stephan Busch View Post
    Hi Nania..

    I am always getting "no memory" message - with and without -t switches.
    Me too...

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  39. #177
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    ZCM 0.91B released!

    News:
    - reduced the LZP buffer memory

    Only from:
    http://heartofcomp.altervista.org/

  40. #178
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    0.91B runs OK with -m6 but gives "no memory" message at -m7
    Its fixable by the way. Just deupx the file and patch it to be LargeAddressAware. After that you can run ZCM with -m7

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    How can that patch be done?

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    i think it is the same problem like here:

    http://encode.su/threads/1838-Comman...ll=1#post35716

    best regards

    and here is something in german: http://www.3dcenter.org/artikel/das-...ess-aware-flag
    Last edited by joerg; 15th May 2014 at 10:54.

  44. The Following User Says Thank You to joerg For This Useful Post:

    Stephan Busch (15th May 2014)

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