RealTime Data Compression
Development blog on compression algorithms
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Friday, January 21, 2011
ARM Programming (part 1)
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There is a sense of moving tide in the world of CPU business. The nimble ARM (Advanced Risc Machine) looks in position to threaten almigh...
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Friday, January 14, 2011
Multi-threaded compression
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Since a few years now, most PC systems sold are using multi-cores processors. As a logical consequence, there is an increase pressure from ...
Monday, January 10, 2011
Improving I/O : Zhuff v0.5
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There is a subtle difference between Windows Seven and good old Windows XP when it comes to reading data from a disk : the prefetcher has m...
Friday, January 7, 2011
An old friend returns : new version of Zhuff (v0.4)
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Since working on LZ4 and then Huff0 improvements, it's quite natural to give another look at Zhuff, an old compression program that wa...
Tuesday, January 4, 2011
Entropy evaluation : small changes in benchmark corpus
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You can't easily improve what you can't measure. That's why test tools are so important. For compression, benchmark corpus is a...
Monday, January 3, 2011
Range0 : new version (v0.7)
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Several learnings from the Huff0 new version were generic enough to become applicable to Range0. More specifically, the interleaved counter ...
Sunday, January 2, 2011
Huff0 : New version (v0.6)
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Since working on the stats produced by huff0, some inefficiencies became apparent, and as a consequence got solved in a newer version, avail...
Saturday, January 1, 2011
Quick look back at Huff0 : an entropy coder analysis
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Since LZ4 is pretty much limited in testing match searches over long distances, i'm almost pushed into writing a new compression softwar...
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