ffsdmad@macpro:~$ 7z b -mmt8

7-Zip [64] 16.02 : Copyright (c) 1999-2016 Igor Pavlov : 2016-05-21
p7zip Version 16.02 (locale=ru_RU.UTF-8,Utf16=on,HugeFiles=on,64 bits,8 CPUs Intel(R) Xeon(R) CPU           X5355  @ 2.66GHz (6F7),ASM)

Intel(R) Xeon(R) CPU           X5355  @ 2.66GHz (6F7)
CPU Freq: - 64000000 - - - - 512000000 - -

RAM size:   32110 MB,  # CPU hardware threads:   8
RAM usage:   1765 MB,  # Benchmark threads:      8

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

22:      13419   590   2213  13054  |     201166   646   2656  17159
23:      12915   621   2120  13159  |     198403   646   2656  17169
24:      10919   588   1997  11741  |     190761   647   2587  16743
25:      10480   601   1990  11967  |     105256   417   2246   9367
----------------------------------  | ------------------------------
Avr:             600   2080  12480  |              589   2536  15110
Tot:             595   2308  13795