Long Range ZIP 0.23 (Default branch) |
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LRZIP is a compression program that can achieve
very high compression ratios and speed when used
with large files. It uses the combined compression
algorithms of lzma for maximum compression, lzo
for maximum speed, and the long range redundancy
reduction of rzip. It is designed to scale with
increases with RAM size, improving compression
further. A choice of either size or speed
optimizations allows for either better compression
than even lzma can provide, or better speed than
gzip, but with bzip2 sized compression levels.
License: GNU General Public License (GPL)
Changes:
The LZMA SDK was updated to the latest version,
4.57. Multithreading support for LZMA was added,
which nearly doubles speed. A gzip compression
option was added. An assembler module for CRC
computation was added, but this is dependent on
the processor. More enhancements were made to the
lzo_compresses function to avoid LZMA errors. File
cleanup was done. configure.in was changed to
improve compiling. Code cleanup was done.
Documentation with benchmarks was improved and
expanded. Major bugs were fixed to work on big RAM
machines. A major fix was made to prevent copying
all data above 4GB uncompressed.
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