Lempel–Ziv–Oberhumer

Also known as LZO

Lempel–Ziv–Oberhumer (LZO) is a lossless data compression algorithm that is focused on decompression speed.

Key facts

Software.name: LZO
Software.developer: Markus F.X.J. Oberhumer
Software.latest_release_version: 2.10
Software.operating_system: Cross-platform
Software.genre: data compression
Software.license: GPLv2 or commercial

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Article

4 sections

Contents

Design
Implementations
References
External links

Lempel–Ziv–Oberhumer (LZO) is a lossless data compression algorithm that is focused on decompression speed.

== Design == The original "lzop" implementation, released in 1996, was developed by Markus Franz Xaver Johannes Oberhumer, based on earlier algorithms by Abraham Lempel and Jacob Ziv. The LZO library implements a number of algorithms with the following characteristics: Higher compression speed compared to DEFLATE compression Very fast decompression Requires an additional buffer during compression (of size 8 kB or 64 kB, depending on compression level) Requires no additional memory for decompression other than the source and destination buffers Allows the user to adjust the balance between compression ratio and compression speed, without affecting the speed of decompression