$ 7z b

7-Zip [64] 16.02 : Copyright (c) 1999-2016 Igor Pavlov : 2016-05-21
p7zip Version 16.02 (locale=en_US.utf8,Utf16=on,HugeFiles=on,64 bits,16 CPUs AMD Ryzen 7 1700 Eight-Core Processor           (800F11),ASM,AES-NI)

AMD Ryzen 7 1700 Eight-Core Processor           (800F11)
CPU Freq: - - 64000000 - - - 512000000 - -

RAM size:   64252 MB,  # CPU hardware threads:  16
RAM usage:   3530 MB,  # Benchmark threads:     16

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

22:      32455  1312   2407  31573  |     468262  1504   2656  39938
23:      30776  1320   2375  31358  |     461235  1509   2645  39907
24:      29925  1363   2361  32176  |     444179  1488   2621  38988
25:      27725  1344   2355  31656  |     432072  1484   2591  38453
----------------------------------  | ------------------------------
Avr:            1335   2374  31691  |             1496   2628  39321
Tot:            1415   2501  35506