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-
-
- SHRI
- ======
-
- xpkSHRI.library
-
- Version 0.3 Beta Release
- Copyright 1992 by Matthias Meixner
-
-
-
- License/Disclaimer
- ------------------
-
- This library may be freely distributed with the XPK compression
- package, as long as it is kept in its original, complete, and unmodified
- form. It may not be distributed by itself or in a commercial package of
- any kind without my written permission.
-
- This program is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
- or FITNESS FOR A PARTICULAR PURPOSE.
-
-
- Description
- -----------
-
- SHRI is an XPK packer sublibrary which implements a highly for
- compression rate optimized compressor, that uses offset/len encoding with
- adaptive arithmetic aftercoding for best compression results. Its
- compression rate is better than that of most other packers, e.g. lha,
- zoo or powerpacker.
-
- It supports 7 modes, which differ in the size of the dictionary:
- (Speeds in Bytes/sec)
-
- Modes Dictsize CF CSpd USpd
- ----- -------- -- ---- ----
-
- 0..14 1K 48.1% 8337 9124
- 15..28 2K 49.4% 8395 9224
- 29..42 4K 50.4% 8495 9521
- 43..56 8K 51.1% 8213 9732
- 57..70 16K 51.6% 7482 9976
- 71..84 32K 51.9% 6916 10195
- 85..100 64K 52.4% 6207 10364
-
-
- Contact Address
- ---------------
-
- Matthias Meixner
- Sandberg 13
- 6417 Hofbieber 2
- Germany
-
- meixner@rbhp56.rbg.informatik.th-darmstadt.de
-
-