c:\Program Files\7-Zip>7z b

7-Zip [64] 9.22 beta  Copyright (c) 1999-2011 Igor Pavlov  2011-04-18

RAM size:  24529 MB,  # CPU hardware threads:   8
RAM usage:  1701 MB,  # Benchmark threads:      8

Dict        Compressing          |        Decompressing
      Speed Usage    R/U Rating  |    Speed Usage    R/U Rating
       KB/s     %   MIPS   MIPS  |     KB/s     %   MIPS   MIPS

22:   15464   574   2620  15044  |   185157   785   2127  16698
23:   15010   602   2540  15294  |   182117   786   2119  16661
24:   14443   657   2364  15530  |   178217   786   2102  16531
25:   13938   690   2304  15914  |   168910   760   2110  16049
----------------------------------------------------------------
Avr:          631   2457  15445               779   2114  16485
Tot:          705   2286  15965