From: Sean M Clark <smclark AT tamu DOT edu>
> xz/lzma is another consideration.  At moderate compression levels, lzma
> seems to be about the same or slightly faster than bzip2 with a little
> better compression.  At lower compression levels it seems like it's
> about as fast as gzip while compressing noticeably farther - at least
> in the small amount of testing I've done so far with the "xz"
> implementation of lzma compression.
> 
> (The small amount of testing I've done so far suggests to me that xz
> with a compression level of 1 runs about as fast as gzip4 with
> compression at or better than gzip7, approaching bzip2 for some types of
> files.  Cranking up to xz 6 or 7 runs a bit faster than bzip2 default
> but tends to give better compression.)

Judjing by the following becnhmarks, lzma seems quite resource hungry...
http://tukaani.org/lzma/benchmarks.html

JD


      

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