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>No, xz (on a particular level setting) is both faster than bzip2 and provides better compression ratio, but zpaq is just slower.

Are you implying that xz out-compresses zpaq? Can you supply a benchmark?

Here's one from me - http://mattmahoney.net/dc/text.html - showing a very significant compression ratio advantage to zpaq.



No, where did you find this implication in my comment? What I meant is that:

* xz is faster than bzip2 and provides better compression ratio [than bzip2]

* zpaq is slower [than bzip2 and provides better compression ratio than bzip2]

But looks like I'm mistaken? It seems like it can be faster and give better compression ratio than bzip2, can it?




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