| Versions tested: | 0.05, 0.07, 0.08, 0.09, 0.11 |
| Optimal parameters: | -b120000 |
| Links: | bcm011.zip bcm009.zip bcm008.zip bcm007.zip bcm005.zip |
| Authors: | Ilia Muraviev |
| Algorithms: | BWT+CM |
| Notable peformances: | - |
Version 0.05 submitted on March 8, 2009:
BCM should be tested with a biggest block size possible.
[...]
Better if block size = file size. For a text file it is always true, for binary data not always...
Version 0.08 submitted on June 4, 2009.
Version 0.09 submitted on August 23, 2009.
Version 0.11 submitted on June 22, 2010.
The program utilizes libdivsufsort by Yuta Mori.
The compressor is featured in the BWT comparison.
(Have info that should be added here? E-mail.)
| Ver | Rating | CPR | DPR | S.E. | R.E. | Ratio | C. kB/s | D. kB/s | ||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| -b118 (-b120000, e118) | ||||||||||||
| 0.05 | 29 | 52 | 4 | 40 | 1 | 3.441 | 2739 | 2966 | ||||
| 0.07 | 27 | -6.9% | -13% | -7.5% | 3.441 | 0% | 2374 | -13% | 2958 | -0.3% | ||
| 0.08 | 23 | -15% | -13% | - | -19% | 3.454 | +0.4% | 1963 | -17% | 2340 | -21% | |
| 0.09 | 15 | -35% | -31% | - | -37% | 3.491 | +1.1% | 1198 | -39% | 1389 | -41% | |
| 0.11 | 28 | +87% | +67% | + | +105% | 3.424 | -1.9% | 2503 | +109% | 3227 | +132% | |