pouët.net

Shrinkler by Loonies [web]
[nfo]
screenshot added by Blueberry on 2015-01-05 23:45:06
platform :
type :
release date : january 2014
  • rulez 44
  • is ok 1
  • sucks 0
popularity : 0%
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  • rulez 0.98
alltime top: #1899
added on the 2015-01-05 23:45:06 by Blueberry Blueberry

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One year ago today, I announced a brand new, open source version of my Amiga cruncher on ADA. Today it is ready for Pouet.

About the platforms: The singular platform field available for Pouet prods falls short when it comes to cross-development demo tools that (can) have separate host and target platforms. Shrinkler reads and writes executables for all Amigas and runs on Windows, Linux, MacOSX Intel and high-end Amigas.

It was developed primarily with cross-development in mind, and the current version is quite time and memory hungry. Hopefully this fits how people would like to use it. Let me know what you think.

But most importantly: Enjoy, and make some kick-ass Amiga intros! :-D
added on the 2015-01-05 23:45:59 by Blueberry Blueberry
woop woop :D
rulez added on the 2015-01-06 00:00:29 by ferris ferris
yeah
rulez added on the 2015-01-06 00:14:56 by wullon wullon
thumb up!
rulez added on the 2015-01-06 00:36:00 by bonefish bonefish
Thx for all the hard work and sharing it. I will surely try/use it with my future OCS prods. I hope it will replace the legendary Titanics Cruncher (depacking while loading rulez on OCS :). HNY 2k15!
rulez added on the 2015-01-06 00:40:12 by sachy sachy
A great improvement over execruncher2.
This is the best cruncher by far. Always lose enough kilobytes away.
It has lots of options to scratch a little bit more.
Thank you very much, Blueberry, for this amazing tool.
rulez added on the 2015-01-06 00:46:57 by ham ham
Excellent, thanks for awesome tools! :)
rulez added on the 2015-01-06 06:49:31 by StingRay StingRay
Moar Amiga intros!
rulez added on the 2015-01-06 07:50:16 by Saga Musix Saga Musix
Super tool indeed! The crunching time IS long, but it sure is worth the wait. I crunch via my Amiga Forever setup on my laptop and for "How to skin a dwarf" it took 45 minutes. Not sure how long that would have taken on realHW....LONG!....but then you can just have a beer or two during the crunchingtime (quote: Bstrr)!
rulez added on the 2015-01-06 07:59:45 by Corial Corial
.
rulez added on the 2015-01-06 08:03:06 by Sir Sir
Dunno if i personally have use for it but thumbs up!
rulez added on the 2015-01-06 09:01:53 by Serpent Serpent
This is da shit! Start coding now, guys. The last excuse to not make an Amiga 4K intro is gone...
rulez added on the 2015-01-06 09:17:46 by axis^oxy axis^oxy
Compression ratio is compared to other crunchers phenomenal. Will use it for future OCS prods. Great work!
rulez added on the 2015-01-06 09:30:42 by neoman neoman
OMG you RULEZ! \:D/
rulez added on the 2015-01-06 13:58:02 by rez rez
thx for sharing.
rulez added on the 2015-01-06 14:16:36 by FOSTER FOSTER
Awesome! Important question: does it support a custom decrunching message?
rulez added on the 2015-01-06 14:24:27 by visy visy
Quote:
Important question: does it support a custom decrunching message?

It does. You can give it either as an argument or in a text file.

Quote:
depacking while loading rulez on OCS :)

Shrinkler does not decrunch while loading, but the loading time is typically quite short compared to the decrunch time anyway. For example, when running a 64k intro from floppy on 68000, it will likely load for 3-4 seconds, then print the decrunch text, and then decrunch for 20-25 seconds.
added on the 2015-01-06 14:36:12 by Blueberry Blueberry
Also, if you use the overlap option, the memory overhead will be very small, typically less than 1k, similarly to what you get with decrunching-while-loading packers.
added on the 2015-01-06 14:41:00 by Blueberry Blueberry
\:D\ Blueberry codes awesome stuff while packing and depacking while you crunch while decrunching!
rulez added on the 2015-01-06 16:22:11 by ccr ccr
Awesome stuff! Finally something that can reasonably surpass Titanics :)
added on the 2015-01-06 19:00:41 by visy visy
gr8 m8 i r8 8/8 (sorry ;p )
rulez added on the 2015-01-06 19:16:04 by Intrinsic Intrinsic
tool thumbs!
rulez added on the 2015-01-06 19:25:05 by sensenstahl sensenstahl
wow!
rulez added on the 2015-01-06 21:10:51 by GΞN7LΞM4N GΞN7LΞM4N
yes, this is so great!
rulez added on the 2015-01-06 21:27:51 by britelite britelite
Thumb beacuse Blueberry is cool.
rulez added on the 2015-01-06 22:08:18 by Emod Emod
So now we are waiting for some cool Amiga Demomaker developed by Blueberry :)
rulez added on the 2015-01-06 22:16:03 by slayer slayer
no c=64 version? :)

/me bows for Blueberry
rulez added on the 2015-01-06 22:50:01 by magic magic
Who would have thought 25 years ago that this kind of stuff would be released in 2015? Amazing.
rulez added on the 2015-01-06 23:49:42 by keops keops
nice :)
i wonder if this could be adopted for other 68k platforms like atari?
rulez added on the 2015-01-07 00:16:29 by wysiwtf wysiwtf
Totally awesome. I'm currently testing how much smaller http://www.pouet.net/prod.php?which=57630 could be if it used Shrinkler rather than Exomizer2.
rulez added on the 2015-01-07 10:13:34 by Moerder Moerder
Quote:
i wonder if this could be adopted for other 68k platforms like atari?

I have looked a bit into the possibility of Atari support, and run some comparisons to PackFire, which seems to be the state of the art in that space. Shrinkler beats it comfortably for small files, but PackFire has the edge for larger files, due to its LZMA-derived "large" depacker. This is definitely something I will look more into.

Any other 68k platforms apart from Atari that could be relevant?
added on the 2015-01-07 17:20:12 by Blueberry Blueberry
awesome work blueberry
rulez added on the 2015-01-08 11:54:06 by psenough psenough
Amazing!
rulez added on the 2015-01-08 22:23:06 by xeron xeron
Quite the opposite of my Nibbler, which was made for extremely fast decrunch speeds. Knowing you I also think Shrinkler will excel at smashing down 4Ks and 64Ks compared to any other cruncher! And Titanics-cruncher is still with us as crap-ratio, medium-slow, small overhead quickie execruncher to get partyprods out in a pinch. A choice for every situation :)
rulez added on the 2015-01-09 00:34:17 by Photon Photon
pre-test-thumb!
rulez added on the 2015-01-09 12:42:49 by rloaderro rloaderro
Great to have Shrinkler around!

@Photon: Regarding an allround exe-cruncher you could check Cru, which was far better than Titanics!
rulez added on the 2015-01-09 13:01:30 by noname noname
Looks very interesting, I am big fan of upx on Atari ST for prg files and any file by adding fake prg headers, it is very fast to depack, has a good compress ratio and can compress from many plateform also.
Could be an interesting challenger :-)
Also I help the compressor by trying several way to organise the data with interesting % reduction: zigzag path for pics, splitted red,green,blue for numerous palettes as in hicolor, low/high bytes splitted&grouped together, etc.
rulez added on the 2015-01-09 22:07:07 by Cyg_BLaBla Cyg_BLaBla
Heja Aske!
rulez added on the 2015-01-09 22:10:38 by farfar farfar
Well shit! Where do I get an high end amiga now? :)
rulez added on the 2015-01-18 16:18:05 by las las
And with that crunchmania was dropped from my workflow. :)

las: You emulate it.
rulez added on the 2015-01-18 16:33:15 by Korvkiosken Korvkiosken
outta sight, again :D
rulez added on the 2015-01-20 13:33:54 by d0DgE d0DgE
thanks for that great share! What about the depacking speed compare with packfire "lzma"? You have only one MUL per "getbit", packfire implementation has two.
I'll use it in my ATARI demo system to depack my kernel loader (your depacker is less than 200 bytes, I love that :))
rulez added on the 2015-01-21 18:39:11 by leonard leonard
There is one mul instead of two, yes, and there are also a lot of other things going on in the PackFire depacker. But the only way to know for sure it to try it. :)

I ran a comparison against PackFire to test the decrunch speed of a raw binary file on 68000.

Original: 265660 bytes (Spitz by Focus Design).
Shrinkler: 56056 bytes, 23 seconds.
PackFire: 53944 bytes, 47 seconds.

So yes, it appears Shrinkler decrunches about twice as fast as PackFire's "large" depacker. PackFire's "tiny" depacker is unquestionably much faster than Shrinkler (but this file is too big for it).
added on the 2015-02-03 17:44:26 by Blueberry Blueberry
And for those of you not reading ADA: There is a new version out (4.4) which is much, much faster (and a bit better at default settings) than 4.3. It should also use somewhat less memory.

The new version also supports raw data crunching and comes with ready-to-use decompression source code.
added on the 2015-02-04 10:42:52 by Blueberry Blueberry
Amazing. Hope i'll find use for it sometime.

Would it be possible to add a less aggressive mode that wouldn't necessarily compress quite as well but work faster on 68000? So it could be used even for small demos for example.
rulez added on the 2015-02-04 10:50:43 by dodke dodke
Hi blueberry: when you say the new v4.4 is "much, much faster", do you mean the compressor, or the decompressor? ( or maybe both? )
added on the 2015-02-04 11:44:51 by leonard leonard
The compressor is faster; the decompressor is the same.

It is not possible to make the decompressor significantly faster without completely changing the format, unfortunately. Basically, the compression format is designed for very good compression ratio and very small decompression code, at the expense of decompression speed. Other crunchers have other tradeoffs.
added on the 2015-02-04 16:37:11 by Blueberry Blueberry
For releasing a new Amiga intro cruncher in 2015.
rulez added on the 2015-02-04 22:30:22 by raer raer
For supporting good old 68k amiga :)
rulez added on the 2015-02-05 14:48:39 by lvd lvd
For ruling on Amiga!
rulez added on the 2015-03-26 19:50:06 by Frequent Frequent
A great packer, thanks so much
rulez added on the 2015-09-10 00:25:10 by Fell Fell
This packer clearly doesn't have enough thumbs. So here, have one more.
rulez added on the 2017-05-02 14:54:43 by Charlie Charlie
Just tried this out. Works like a charm and is really easy
rulez added on the 2017-08-02 21:33:16 by Emufr3ak Emufr3ak

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