RealTime Data Compression

Development blog on compression algorithms

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Featured

Zstandard
LZ4
Zhuff
Compression benchmark
Entropy coders
MMC - Morphing Match Chain

Interesting links

Zstandard
LZ4
xxHash
Encode.ru compression forum
Nania's WCC (World Compressor Challenge)
m^2 Open Source benchmark : fsbench
Stephan's SqueezeChart
Matt's LTCB (Large Text Compression Benchmark)
Old download site

Blog Archive

▼ 2019 (7)
- ▼ 03/10 - 03/17 (1)
  - Presenting XXH3
- ► 01/27 - 02/03 (2)
- ► 01/20 - 01/27 (2)
- ► 01/13 - 01/20 (2)

► 2018 (3)
- ► 03/11 - 03/18 (1)
- ► 02/11 - 02/18 (1)
- ► 01/07 - 01/14 (1)

► 2017 (2)
- ► 07/09 - 07/16 (1)
- ► 07/02 - 07/09 (1)

► 2016 (6)
- ► 08/28 - 09/04 (1)
- ► 07/03 - 07/10 (1)
- ► 06/12 - 06/19 (1)
- ► 05/08 - 05/15 (1)
- ► 04/03 - 04/10 (1)
- ► 01/31 - 02/07 (1)

► 2015 (10)
- ► 10/11 - 10/18 (2)
- ► 08/23 - 08/30 (1)
- ► 08/16 - 08/23 (1)
- ► 07/26 - 08/02 (3)
- ► 05/24 - 05/31 (1)
- ► 04/05 - 04/12 (1)
- ► 01/18 - 01/25 (1)

► 2014 (18)
- ► 11/23 - 11/30 (2)
- ► 09/21 - 09/28 (1)
- ► 07/13 - 07/20 (1)
- ► 05/18 - 05/25 (1)
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- ► 03/02 - 03/09 (2)
- ► 02/23 - 03/02 (2)
- ► 02/16 - 02/23 (1)
- ► 02/09 - 02/16 (2)
- ► 02/02 - 02/09 (2)
- ► 01/12 - 01/19 (1)
- ► 01/05 - 01/12 (1)

► 2013 (11)
- ► 12/22 - 12/29 (1)
- ► 12/15 - 12/22 (1)
- ► 10/13 - 10/20 (1)
- ► 09/22 - 09/29 (1)
- ► 09/08 - 09/15 (1)
- ► 08/11 - 08/18 (1)
- ► 08/04 - 08/11 (1)
- ► 06/09 - 06/16 (1)
- ► 04/21 - 04/28 (1)
- ► 04/07 - 04/14 (1)
- ► 03/17 - 03/24 (1)

► 2012 (12)
- ► 12/09 - 12/16 (1)
- ► 07/01 - 07/08 (1)
- ► 05/27 - 06/03 (2)
- ► 05/20 - 05/27 (1)
- ► 05/13 - 05/20 (2)
- ► 04/29 - 05/06 (1)
- ► 04/08 - 04/15 (2)
- ► 01/08 - 01/15 (1)
- ► 01/01 - 01/08 (1)

► 2011 (45)
- ► 12/18 - 12/25 (1)
- ► 12/11 - 12/18 (1)
- ► 12/04 - 12/11 (1)
- ► 11/27 - 12/04 (1)
- ► 11/20 - 11/27 (1)
- ► 11/13 - 11/20 (1)
- ► 10/16 - 10/23 (1)
- ► 10/02 - 10/09 (1)
- ► 09/18 - 09/25 (2)
- ► 08/28 - 09/04 (1)
- ► 06/05 - 06/12 (1)
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- ► 05/22 - 05/29 (1)
- ► 05/15 - 05/22 (1)
- ► 05/08 - 05/15 (1)
- ► 04/24 - 05/01 (2)
- ► 04/17 - 04/24 (1)
- ► 04/10 - 04/17 (1)
- ► 04/03 - 04/10 (1)
- ► 03/27 - 04/03 (2)
- ► 03/20 - 03/27 (1)
- ► 03/13 - 03/20 (1)
- ► 03/06 - 03/13 (3)
- ► 02/27 - 03/06 (3)
- ► 02/20 - 02/27 (3)
- ► 02/13 - 02/20 (1)
- ► 02/06 - 02/13 (1)
- ► 01/23 - 01/30 (2)
- ► 01/16 - 01/23 (1)
- ► 01/09 - 01/16 (2)
- ► 01/02 - 01/09 (4)

► 2010 (25)
- ► 12/26 - 01/02 (3)
- ► 12/12 - 12/19 (5)
- ► 12/05 - 12/12 (6)
- ► 11/28 - 12/05 (2)
- ► 11/21 - 11/28 (4)
- ► 11/14 - 11/21 (5)

Popular Posts

Presenting XXH3

xxh3 XXH3 - a new speed-optimized hash algorithm The xxHash family of hash functions has proven more successful than ...
LZ4 explained

At popular request, this post tries to explain the LZ4 inner workings, in order to allow any programmer to develop its own version, pote...
Counting bytes fast - little trick from FSE

An apparently trivial and uninteresting task nonetheless received some special optimization care within FSE : counting the bytes (or 2-...
Finite State Entropy - A new breed of entropy coder

In compression theory, the entropy encoding stage is typically the last stage of a compression algorithm, the one where the gains from t...
Zstandard - A stronger compression algorithm

Zstd , short for Zstandard, is a new lossless compression algorithm, aiming at providing both great compression ratio and speed for your...

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