| Versions tested: | 0.05, 0.07, 0.08, 0.09 |
| Rating: | 44 |
| Performance C/D: | 75/5 |
| Optimal parameters: | -b112000 |
| Links: | bcm005.zip bcm007.zip bcm008.zip bcm009.zip |
| Authors: | Ilia Muraviev |
| Algorithms: | BWT+CM |
| Notable peformances: | - |
BWT compressor by Ilia Muraviev, using libdivsufsort by Yuta Mori.
The author submitted following instructions for testing:
email 2009, March 8BCM 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...
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 | ||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| CompressionRatings.Com | ||||||||||||
| -b112 (also -b112000, e112) | ||||||||||||
| 0.05 | 44 | 75 | 5 | 211 | 2 | 3.582 | 882 | 1125 | ||||
| 0.07 | 38 | -14% | -15% | - | -14% | 3.586 | +0.1% | 752 | -15% | 973 | -14% | |
| 0.08 | 32 | -16% | -14% | - | -17% | 3.593 | +0.2% | 631 | -16% | 790 | -19% | |
| 0.09 | 21 | -34% | -31% | - | -39% | - | 3.633 | +1.1% | 387 | -39% | 441 | -44% |