[Zlib-devel] Google's version of zlib code

glennrp at comcast.net glennrp at comcast.net
Sat Mar 2 11:34:22 EST 2013


----- Gilles Vollant <info at winimage.com> wrote:
> How it compare with deflate compressor of 7zip ?

Data compression using Zopfli
Jyrki Alakuijala, Ph.D. and Lode Vandevenne, M.Sc.
Google Inc.

 Benchmark Corpus size gzip ­9 7­zip kzip Zopfli
Alexa­top­10k 693’108’837 128’498’665 125’599’259 125’163’521 123’755’118
Calgary 3’141’622 1’017’624 980’674 978’993 974’579
Canterbury 2’818’976 730’732 675’163 674’321 669’933
enwik8 100’000’000 36’445’248 35’102’976 35’025’767 34’995’756


Sorry I can't find the link now.  This is from a PDF that I
downloaded yesterday.  Sorry also about the table columns having
random widths.

Glenn




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