| Versions tested: | 090418, 090418a, 090419, 090420, 091010, 091010b, 091010c, 091011 |
| Rating: | unrated |
| Performance C/D: | unrated |
| Optimal parameters: | - |
| Links: | http://lzp2.dnsalias... lzp2-091010.zip lzp2-091010b.zip lzp2-091010c.zip lzp2-091011.zip |
| Authors: | Yann Collet |
| Algorithms: | LZP |
| Notable peformances: | Image1 |
LZP2 is a very fast compressor, designed to reach the pareto frontier,the program website 2009, April 18[...]
LZP2 is based on an optimized version of "Predictive LZ" algorithm, which is very fast, but unfortunately offers little compression performance.
(Have info that should be added here? E-mail.)
090418 crashes when compressing file. unlzp2.exe reports: The system cannot execute the specified program.
090418a version was received by email.
091010 crashes while compressing any file.
091010b and 091010c fail verify checking on Qualifying1 and 2.
091011 is also known as 0.7d.
| Ver | Rating | CPR | DPR | S.E. | R.E. | Ratio | C. kB/s | D. kB/s | ||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| CompressionRatings.Com | ||||||||||||
| <none> | ||||||||||||
| 090420 | 0 | 0 | 0 | 444 | 0 | 1.736 | 47551 | 86799 | ||||
| 091011 | 0 | +84% | 1.911 | +10% | 47090 | -1.0% | 90528 | +4.3% | ||||
| Ver | Rating | CPR | DPR | S.E. | R.E. | Ratio | C. kB/s | D. kB/s | ||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| CompressionRatings.Com | ||||||||||||
| <none> | ||||||||||||
| 090418 | crash while compressing | |||||||||||
| 090418a | crash while compressing | |||||||||||
| 090419 | verify error | |||||||||||
| 091010 | crash while compressing | |||||||||||
| 091010b | verify error | |||||||||||
| 091010c | verify error | |||||||||||