Versions tested:3.93, 4.00b3
Optimal parameters:-m3
Links:http://rarlab.com
Authors:Eugene Roshal, Dmitry Shkarin
Algorithms:LZ+HUF, PPMII, X86
Notable peformances:-

winrar

RAR is being developed by Eugene Roshal. The version 3 compression uses 4 MB sliding window LZ or PPMII (ppmd by Dmitry Shkarin) for general purpose compression with additional data type specific algorithms. [1]

RAR is a powerful tool allowing you to manage and control archive files. Console RAR supports archives only in RAR format, the names of which usually have a ".rar" extension. ZIP and other formats are not supported. Windows users may install GUI RAR version - WinRAR, which is able to process many more archive types.

RAR features include:

the program documentation

 

[1] UnRAR source code http://rarlabs.com

(Have info that should be added here? E-mail.)


Qualified configurations
VerRatingCPRDPRS.E.R.E.RatioC. kB/sD. kB/s
-m1
3.932436521502.7552685944481
4.00b326+8.3%0%++8.8%2.7550%26759-0.4%57182+29%
-m2
3.9380874017613.235896049143
4.00b382+2.5%0%+25%+2.8%3.2350%8941-0.2%60719+24%
-m3
3.93198211112205113.571743046812
4.00b3202+2.0%0%+20%+2.4%3.5710%74300%55714+19%
-m4
3.9317322049155123.646626216618
4.00b3174+0.6%0%+2.0%+0.6%3.6460%6268+0%16895+1.7%
-m5
3.9316020544138123.663556914371
4.00b3161+0.6%0%+2.3%+0.7%3.6630%5565-0%14642+1.9%
-m5 -mc14:128t
3.9314919838125113.680513111670
4.00b3150+0.7%0%0%0%+3.6800%5129-0%11874+1.7%
-m5 -mct-
3.93161166119161103.589553646908
4.00b3163+1.2%-0.6%+18%+1.2%3.5890%5525-0.2%55699+19%

Version info

3.93, tar: no, mode: 64-bit, crc32: 655cccf3, decoder: 68 kB, tested: 2010 Apr 14
compression: rar.exe a -s -r -mt4 <args> <cfile> <src>
decompression: rar.exe x -mt4 <cfile>
4.00b3, tar: no, mode: 64-bit, crc32: 29ebfc98, decoder: 92 kB, tested: 2010 Dec 27
compression: rar.exe a -s -r -mt4 <args> <cfile> <src>
decompression: rar.exe x -mt4 <cfile>