Check out "lzma" (pretty widely available) and "xz" (new version). They are by no means fast, but seem faster than 7-zip, can be used inline, and give better results than bzip2. However, I've had some data files that make lzma/xz atrociously slow...
On 6/29/2010 9:15 AM, Edward Ned Harvey wrote: > I decided to benchmark some compression algorithms on our actual data. > Results are attached. > > Summary: > > · LZO is the fastest. > > · 7-zip (p7zip) produces the best compression ratio. (Overall, it's the > most impressive.) Doesn't seem possible to use it as an in-line filter. > > · gzip --fast is the most widely available. Its speed is same order of > magnitude with LZO, and its compression is same order of magnitude as > 7-zip, but it's unquestionably beat by those others, in their natural > habitat. So for general purpose, gzip --fast is the most likely to be > used in general. > > · bzip2 is soundly destroyed by 7-zip, if only 7-zip is made available > as an in-line filter. Presently, in-line filtering is the only reason to > ever use bzip2 instead of 7-zip. > > > > _______________________________________________ > bblisa mailing list > [email protected] > http://www.bblisa.org/mailman/listinfo/bblisa _______________________________________________ bblisa mailing list [email protected] http://www.bblisa.org/mailman/listinfo/bblisa
