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How does it compare to bzip3 [1]?

Did this Claude-written free compressor take anything from bzip3?

On compression ratio the two are neck and neck, and BWTSorter is narrowly ahead when both use the same block size. bzip3 is about five times faster. I built bzip3 1.5.5 from its GitHub source and ran it single-threaded on the same Silesia files as before.

No, it does not use any of BZip3's code.

Claude was definitely trained on the bzip3's source code. It can use similar modeling approach, etc, we are not talking about direct use of the code.

So, does Claude-writte BWTSorter use modeling approaches similar to bzip3?

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