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LZO is a portable lossless data compression library written in ANSI C. It implements a number of algorithms with the following features:

  • Decompression is simple and very fast.
  • Requires no memory for decompression.
  • Compression is pretty fast.
  • Requires 64 kB of memory for compression.
  • Allows you to dial up extra compression at a speed cost in the compressor. The speed of the decompressor is not reduced.
  • Includes compression levels for generating pre-compressed data which achieve a quite competitive compression ratio.
  • There is also a compression level which needs only 8 kB for compression.
  • Supports overlapping compression and in-place decompression.
  • Algorithm is thread safe.
  • Algorithm is lossless.

The library is available as 32-bit and 64-bit:

  • If you are compiling a 32-bit program, no special compiler options are needed.
  • If you are compiling a 64-bit program, you have to compile and link your application with "xlc_r -q64" or "gcc -maix64".


Current version: 2.10-1



Source RPM:

Package dependencies:

  • none

All versions

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Page last modified on December 19, 2017, at 10:53 PM