Short: XPK sublib with very fast (de)compression Author: Chris Young Uploader: chris unsatisfactorysoftware co uk (Chris Young) Type: util/pack Version: 1.1 Requires: util/libs/lz4_lib.lha Architecture: ppc-amigaos >= 4.0.0 xpkLZ40.library is an XPK packer based on lz4.library (the extra "0" is just to pad out the ID to the required four characters). LZ4 is an extremely fast LZ77-style packer with reasonable compression. This library should be used when packing pseed is more important than compression ratio. Example benchmarks against some other popular OS4 native sub-libs: File 'NetSurf' with a size of 14753427 bytes. Type Num Version P CSize CTime CSpd UTime USpd Rate LZ40: 100 1.1 7890908 0.03 491780900 0.06 245890450 75.7 L2XZ: 79 1.1 3060340 7.05 2092684 2.05 7196793 79.3 LZMA: 100 52.2 3203636 2.02 7303676 1.06 13918327 78.3 BZP2: 100 1.7 4696200 6.01 2454813 1.05 14050882 97.3 GZIP: 100 50.4 5359276 4.01 3679158 0.06 245890450 92.8 NB: This sub-library has undergone very limited testing so far. Please ensure it works for you! DISCLAIMER ========== No warranty is expessed nor implied for this software. If you compress data using it, there is no guarantee it will be uncompressible in future. Please keep an uncompressed copy of any data you care about. The author will not take responsibility for any loss of data due to direct or indirect use of this software. If you don't agree to these terms, you must delete the archive without installing it.