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Tino Reichardt
2017-05-27 14:37:54 +02:00
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@@ -9,14 +9,19 @@ You can install it in two ways:
## Codec overview
1. [Zstandard] is a real-time compression algorithm, providing high compression ratios. It offers a very wide range of compression / speed trade-off, while being backed by a very fast decoder.
- `Levels: 1..22`
2. [Brotli] is a generic-purpose lossless compression algorithm that compresses data using a combination of a modern variant of the LZ77 algorithm, Huffman coding and 2nd order context modeling, with a compression ratio comparable to the best currently available general-purpose compression methods. It is similar in speed with deflate but offers more dense compression.
- `Levels: 0..11`
3. [LZ4] is lossless compression algorithm, providing compression speed at 400 MB/s per core (0.16 Bytes/cycle). It features an extremely fast decoder, with speed in multiple GB/s per core (0.71 Bytes/cycle). A high compression derivative, called LZ4_HC, is available, trading customizable CPU time for compression ratio.
- Levels: 1..12
4. [LZ5] is a modification of LZ4 which gives a better ratio at cost of slower compression and decompression.
- Levels: 1..15
5. [Lizard] is an efficient compressor with very fast decompression. It achieves compression ratio that is comparable to zip/zlib and zstd/brotli (at low and medium compression levels) at decompression speed of 1000 MB/s and faster.
- Levels: 10..49 (10..19 for method1, 20..29 for method2, ...)
## 7-Zip ZStandard Edition (full setup, with GUI and Explorer integration)