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Merge branch 'master' of https://github.com/emmanuel-marty/lzsa

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emmanuel-marty 2019-04-02 13:21:55 +02:00
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@ -11,6 +11,15 @@ Compression ratio comparison between LZSA and other optimal packers, for a workl
LZ4_HC -19 -B4 -BD 64,5% (single byte stream)
Uncompressed 100%
Performance over well-known compression corpus files:
Uncompressed LZ4_HC -19 -B4 -BD LZSA
Canterbury 2810784 935827 (33,29%) 855329 (30,43%)
Silesia 211938580 77299725 (36,47%) 73794820 (34,82%)
Calgary 3251493 1248780 (38,40%) 1196872 (36,80%)
Large 11159482 3771025 (33,79%) 3649821 (32,70%)
enwik9 1000000000 371841591 (37,18%) 355429941 (35,54%)
As an example of LZSA's simplicity, a size-optimized decompressor on 8088 has been implemented in 105 bytes.
The compressor is approximately 2X slower than LZ4_HC but compresses better while maintaining similar decompression speeds and decompressor simplicity.