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Thread: PIM 2.03 is here!

  1. #1
    The Founder encode's Avatar
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    What's new, the highlights:
    + Added WAV compression
    + Improved image compression
    + New main icon
    + Some GUI changes

    Enjoy!

    www.encode.ru


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    Great, thanks!

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    Fantastic! Thanks Ilia!

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    Did you decide not to include the option to enable/disable filters?

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    The Founder encode's Avatar
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    Quote Originally Posted by LovePimple
    Did you decide not to include the option to enable/disable filters?
    At least in this release. Will continue testing to find out is it necessary or such feature only overloads UI, but currently its more likely that I will not include this.

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    Hello everyone,

    thank you encode.

    Best regards!

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    PIM 2.03 is very Powerful compressor!

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    Please, change benchmark results in BLISS.BMP for WinRAR

    WinRAR settings:
    -Best
    -Text compression:
    - force
    - prediction order: 1
    - memory to use: 0
    -True color compression
    - force

    Result: 383.099 (2nd place)

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    Two suggestions for PIM

    -Add a Context menu to compress files
    -Create SFX files, very useful if another person hasn't PIM.

    This 2 options I think that MUST HAVE any compressor, anyway PIM is progressing very well

    PD: My english is horrible, I know it

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    The Founder encode's Avatar
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    Quote Originally Posted by Manuel
    Please, change benchmark results in BLISS.BMP for WinRAR
    ...
    Well, tuning parameters for the best compression possible for each file is some sort of cheating, like you see, PIM as well as other listed programs in this benchmark was tested with Best settings and with no extra tuning - just like the most users will do. I believe that 7-Zip also can show a little bit higher compression with an extra hand tuning. So, I will keep as is, I hope you understand the reason.

    Quote Originally Posted by Manuel
    -Add a Context menu to compress files
    -Create SFX files, very useful if another person hasnt PIM.
    Such features already suggested by other users many times. I keep all additional things like shell integration and full drag-and-drop support in my mind. However, like I said, many things must be implemented before. PIM v2.x has absolutely new compression compared to the PIM v1.x - so its very young program. Note that only starting with PIM 2.03 users got access to the PIM v2 compression - a new mixture of the PPMD, various filters, special compression techniques, along with a smart file auto-detection. Unlike other free archivers like IZArc, PIM has own compression format - as expected, the aim is the new compression. Anyway, each version Im adding something new, focusing either on compression or GUI/Usability. Lets wait for the future releases!

    P.S.
    2 Squxe
    If you want I list your real name in "beta testers" section in about dialog, please post it!


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    I understand perfecty, compression without tunnig, good idea.

    Sorry for ask the same the others users... I didn't read

    What language use to make PIM?

    Mi name is Manuel Soto, I use PIM ocassionaly, put me in BETA TESTERS is you wish, if I found any bug o comment I make you know

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    The Founder encode's Avatar
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    Quote Originally Posted by Manuel
    What language use to make PIM?
    Im not quite understand your question

    Quote Originally Posted by Manuel
    Mi name is Manuel Soto, I use PIM ocassionaly, put me in BETA TESTERS is you wish, if I found any bug o comment I make you know
    You has been added (PIM 2.04)

    By the way, anyone can become a beta tester! All benchmarkers who tested PIM v2 BETA automatically added.

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    Programmer Bulat Ziganshin's Avatar
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    Quote Originally Posted by encode
    PIM v2.x has absolutely new compression compared to the PIM v1.x - so its very young program. Note that only starting with PIM 2.03 users got access to the PIM v2 compression - a new mixture of the PPMD, various filters, special compression techniques, along with a smart file auto-detection
    this seems very like durilcalight idea, you probably should compare with it (with and without -t1)

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    Quote Originally Posted by Bulat Ziganshin
    this seems very like durilcalight idea, you probably should compare with it (with and without -t1)
    Already compared. DURILCAs segmentation (-t1) makes the difference especially on binary files, at the cost of the speed. Also PIM has no text filters. However, PIM has a higher image compression even if DURILCA uses a larger model and tuned model order. (AFAIK for MM data durilca has just delta filter (-t4)). PIM has not only delta but such things like color space transformation etc. Overall, PIM has all filters included in durilca except "segmentation of file" and "text tricks". By the way, I tested a few text filters - a tiny improvement. Even DURILCAs advanced text filters (capital conversion; tiny dictionary; punctuation marks modeling; spaces modeling; EOLs modeling adds just a little improvement. A fully featured text dictionaries can make the difference. Having said that pure PPMD achieves a VERY high text compression (comparable to PAQ), so Im happy with text compression.

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    Pim 2.03 has been tested on
    http://maxcompress.narod.ru
    P.S.
    to encode - you may use Dubrovsky Alexey

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    The Founder encode's Avatar
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    Quote Originally Posted by Squxe
    Pim 2.03 has been tested on
    http://maxcompress.narod.ru
    Thanks! Its nice to see new image and wav compression in action!

    Quote Originally Posted by Squxe
    P.S.
    to encode - you may use Dubrovsky Alexey
    Done!

    By the way, the work on PIM 2.04 in progress, whats new:
    + Now you can test selected files, not only ALL at a time
    + Enhanced context menu
    + Now if during adding PIM cannot open a file, PIM will raise only a warning message - instead of a fatal error and quit
    + Added a new members to the beta testers team




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    2Manuel:
    PIM 2.03 beta - 372,796
    WinRar 3.70 - 382*904
    CCMx 1.23 (4) - 396*515
    PAQ 8L - 423*749
    Squeez 5.60 - 435*996
    Pimple 2.0 - 446*979
    7-zip 4.48b- 561*353
    WinZip 11 - 590*113
    Zip 2.0 (7-zip ultra) - 694*329
    Zip 2.0 (WinZip 11) - 750*333

  18. #18
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    It's heavy - PIM beats such monsters as PAQ8L and CCMx!

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    Quote Originally Posted by encode
    Even DURILCAs advanced text filters (capital conversion; tiny dictionary; punctuation marks modeling; spaces modeling; EOLs modeling adds just a little improvement.
    on what you tested? these filters are oriented to natural texts. try it for example on enwik - it should show a big difference

    Quote Originally Posted by encode
    Having said that pure PPMD achieves a VERY high text compression (comparable to PAQ),
    i see very different picture: even ppmonsr with filters compress worser than uda, i.e. leightweight paq version

    Quote Originally Posted by encode
    PIM has not only delta but such things like color space transformation etc.
    can you share this, i especially interested in colospace transformation?

  20. #20
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    Quote Originally Posted by Bulat Ziganshin
    encode said:
    Having said that pure PPMD achieves a VERY high <u>text</u> compression (comparable to PAQ),

    i see very different picture: even ppmonsr with filters compress worser than uda, i.e. leightweight paq version
    Read carefully. I meant TEXT compression!
    world95.txt:
    PAQ6 -4 (64 MB model): 433,744 bytes
    PIM 2.03 (PPMD, 64 MB model): 441,766 bytes
    DIfference is not extreme, and if youll take into account compression time.

    Quote Originally Posted by Bulat Ziganshin
    can you share this, i especially interested in colospace transformation?
    Read the JPEG2000 sources! By the way, current PIMs image compresion was inspired by Maxim Smirnovs post at compression.ru.

  21. #21
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    world95.txt:
    DURILCA'light, -m64 -o16 -t2: 426,906 bytes
    DURILCA'light, -m64 -o16 -t0: 441,747 bytes


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    Quote Originally Posted by encode
    PAQ6 -4 (64 MB model): 433,744 bytes
    PIM 2.03 (PPMD, 64 MB model): 441,766 bytes
    DIfference is not extreme, and if youll take into account compression time.
    PPMonstr and UDA get almost the same result on my text file too...

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    I'm not really excited by PIM right now The results follow:

    Settings:
    7-Zip 4.48: LZMA Ultra word size 128 (GUI version)
    WinRar 3.70 final: Best (GUI version)
    PIM 2.03 beta: default

    SQL DB dump (no link - it's private, sorry. It contains mostly integer data):
    Original Size: 881 846 468 bytes
    7-Zip: - (my home PC is down - I cannot test it)
    WinRar: 85 994 466 bytes
    PIM: 92 321 321 bytes

    English/Russian Spelling Dictionary
    Original: 4 534 439 + 4 798 bytes
    7-Zip: 1 012 975 bytes
    WinRar: 1 223 153
    PIM: 1 228 523

    RTHDCPL.exe
    Original: 16 377 344
    7-Zip: 3 527 198
    WinRar: 3 693 987
    PIM: 3 984 747

    QT_Streaming _Server_v10.4.pdf
    Original: 1 171 854
    7-Zip: 663 525
    WinRar: 689 519
    PIM: 695 317

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    PIM is created with Borland Delphi? what version?
    Do you know where I can obtain information about compression algorithms in Delphi?

    Editing PIM.EXE I saw a Form named Password,
    This option will be implemented soon? I'm curious hehe

    Sorry again 4 my horrible english

  25. #25
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    Quote Originally Posted by testuser
    Im not really excited by PIM right now
    Again, compression results depends on data...

    Quote Originally Posted by Manuel
    PIM is created with Borland Delphi? what version?
    I say only one thing - its created with C++Builder, compression stuff written using pure C/C++.

    Quote Originally Posted by Manuel
    Do you know where I can obtain information about compression algorithms in Delphi?
    Search the web - for Delphi you can find lots of stuff, unfortunately the most things is Deflate-related (ZIP - i.e. poor compression). The most serious things written with C/C++.

    Quote Originally Posted by Manuel
    Editing PIM.EXE I saw a Form named Password,
    This option will be implemented soon? Im curious hehe
    Its secret!


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    testuser

    rar includes the same ppmd engine so except for bitmap files where Ilya implemented more advanced filtering it's hard to expect better compression

  27. #27
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    An older PPMd engine to be exact. PIM uses the newest PPMd var. J.
    AFAIK:
    7-Zip uses PPMd var. H.
    RAR uses PPMd var. ? (Possibly G).
    WinZip 11 uses PPMd var. I.


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    Added "Extract To Desktop" feature. Some users will just love this feature.




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    Hello everyone,

    Quote Originally Posted by encode
    Added "Extract To Desktop" feature. Some users will just love this feature.
    Yes, they will!
    Does it support -> Extract to Desktop<archive-name> ?

    Best regards!

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    The Founder encode's Avatar
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    Quote Originally Posted by Vacon
    Does it support -> Extract to Desktop<archive-name> ?
    If you meant creating new <archve_name> folder on the Desktop and extracting archive contents to it - then it doesnt!

    This feature was inspired by the StuffIt. Pressing "Extract To Desktop" context menu is equal to "Extract..." and choosing the Desktop folder as the destination.

    Many users use Desktop as the main folder - keeping lots of stuff, including their downloads on the desktop. So it might be useful - after downloading and opening a PIM archive just make one mouse click and all needed files will be on the Desktop!

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