| Versions tested: | 3.93, 4.00b3, 4.20b3 |
| Optimal parameters: | -m3 |
| Links: | http://rarlab.com |
| Authors: | Eugene Roshal, Dmitry Shkarin |
| Algorithms: | LZ+HUF, PPMII, X86 |
| Notable peformances: | Medical1 |
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.the program documentationRAR features include:
- Highly sophisticated, original compression algorithm
- Special compression algorithms optimized for text, audio, graphics data, 32 and 64-bit Intel executables
- Better compression than similar tools, using 'solid' archiving
- Authenticity verification (registered version only)
- Self-extracting archives and volumes (SFX)
- Ability to recover physically damaged archives
- Locking, password, file order list, file security & more ...
[1] UnRAR source code http://rarlabs.com
(Have info that should be added here? E-mail.)
| Ver | Rating | CPR | DPR | S.E. | R.E. | Ratio | C. kB/s | D. kB/s | ||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| -m1 | ||||||||||||
| 3.93 | 24 | 36 | 5 | 215 | 0 | 2.755 | 26859 | 44481 | ||||
| 4.00b3 | 26 | +8.3% | 0% | + | +8.8% | 2.755 | 0% | 26759 | -0.4% | 57182 | +29% | |
| 4.20b3 | 39 | +50% | +83% | +50% | 2.750 | -0.2% | 50012 | +87% | 61550 | +7.6% | ||
| -m2 | ||||||||||||
| 3.93 | 80 | 87 | 40 | 176 | 1 | 3.235 | 8960 | 49143 | ||||
| 4.00b3 | 82 | +2.5% | 0% | +25% | +2.8% | 3.235 | 0% | 8941 | -0.2% | 60719 | +24% | |
| 4.20b3 | 156 | +90% | +111% | +12% | +81% | + | 3.252 | +0.5% | 17689 | +98% | 64157 | +5.7% |
| -m3 | ||||||||||||
| 3.93 | 198 | 211 | 112 | 205 | 11 | 3.571 | 7430 | 46812 | ||||
| 4.00b3 | 202 | +2.0% | 0% | +20% | +2.4% | 3.571 | 0% | 7430 | 0% | 55714 | +19% | |
| 4.20b3 | 346 | +71% | +85% | +9.0% | +70% | +82% | 3.572 | +0% | 13690 | +84% | 60576 | +8.7% |
| -m4 | ||||||||||||
| 3.93 | 173 | 220 | 49 | 155 | 12 | 3.646 | 6262 | 16618 | ||||
| 4.00b3 | 174 | +0.6% | 0% | +2.0% | +0.6% | 3.646 | 0% | 6268 | +0% | 16895 | +1.7% | |
| 4.20b3 | 306 | +76% | +53% | +202% | +99% | +50% | 3.583 | -1.7% | 11396 | +82% | 60578 | +259% |
| -m5 | ||||||||||||
| 3.93 | 160 | 205 | 44 | 138 | 12 | 3.663 | 5569 | 14371 | ||||
| 4.00b3 | 161 | +0.6% | 0% | +2.3% | +0.7% | 3.663 | 0% | 5565 | -0% | 14642 | +1.9% | |
| 4.20b3 | 283 | +76% | +49% | +238% | +104% | +42% | 3.586 | -2.1% | 10255 | +84% | 60700 | +315% |
| -m5 -mc14:128t | ||||||||||||
| 3.93 | 149 | 198 | 38 | 125 | 11 | 3.680 | 5131 | 11670 | ||||
| 4.00b3 | 150 | +0.7% | 0% | 0% | 0% | + | 3.680 | 0% | 5129 | -0% | 11874 | +1.7% |
| 4.20b3 | 157 | +4.7% | +20% | -18% | +9.6% | - | 3.657 | -0.6% | 6548 | +28% | 10284 | -13% |
| -m5 -mct- | ||||||||||||
| 3.93 | 161 | 166 | 119 | 161 | 10 | 3.589 | 5536 | 46908 | ||||
| 4.00b3 | 163 | +1.2% | -0.6% | +18% | +1.2% | 3.589 | 0% | 5525 | -0.2% | 55699 | +19% | |