[Zlib-devel] Google's version of zlib code
Gilles Vollant
info at winimage.com
Sat Mar 2 11:12:42 EST 2013
How it compare with deflate compressor of 7zip ?
-----Message d'origine-----
De : Zlib-devel [mailto:zlib-devel-bounces at madler.net] De la part de Nelson
H. F. Beebe
Envoyé : samedi 2 mars 2013 16:55
À : zlib-devel at madler.net
Cc : beebe at math.utah.edu
Objet : [Zlib-devel] Google's version of zlib code
This story appeared yesterday:
Google publishes Zopfli as open-source compression algorithm to
speed up Web download
Compression is about 100 times slower than conventional methods but
compresses about 5% better, Google said
http://www.computerworld.com/s/article/9237264/Google_publishes_Zopfli_as_op
en_source_compression_algorithm_to_speed_up_Web_downloads
https://code.google.com/p/zopfli/
It looks like they are hammering the CPU by 100x to get 5% to 8% better
compression, which is unlikely to be a problem for Google with its huge CPU
count. The article claims:
>> Zopfli is compatible with Zip, PNG, gzip and HTTP requests among others,
...
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