# time /bin/true
real 0m0.031s
user 0m0.000s
sys 0m0.028s
# time qemu-x86_64-static true
real 0m0.114s
user 0m0.056s
sys 0m0.052s
# 7zr b
7-Zip (a) [64] 16.02 : Copyright (c) 1999-2016 Igor Pavlov : 2016-05-21
p7zip Version 16.02 (locale=C,Utf16=off,HugeFiles=on,64 bits,4 CPUs LE)
LE
CPU Freq: - - - - 128000000 - 512000000 - -
RAM size: 16024 MB, # CPU hardware threads: 4
RAM usage: 882 MB, # Benchmark threads: 4
Compressing | Decompressing
Dict Speed Usage R/U Rating | Speed Usage R/U Rating
KiB/s % MIPS MIPS | KiB/s % MIPS MIPS
22: 5436 301 1755 5289 | 97337 391 2122 8304
23: 5398 303 1816 5500 | 97765 399 2122 8459
24: 5496 317 1863 5909 | 95842 398 2112 8414
25: 5449 316 1971 6222 | 94282 397 2112 8391
---------------------------------- | ------------------------------
Avr: 309 1851 5730 | 396 2117 8392
Tot: 353 1984 7061
# qemu-x86_64-static 7z b
7-Zip [64] 16.02 : Copyright (c) 1999-2016 Igor Pavlov : 2016-05-21
p7zip Version 16.02 (locale=C,Utf16=off,HugeFiles=on,64 bits,4 CPUs QEMU Virtual CPU version 2.5+ (663),ASM)
QEMU Virtual CPU version 2.5+ (663)
CPU Freq: 703296 64000000 64000000 64000000 128000000 256000000 - 1024000000 2048000000
RAM size: 16024 MB, # CPU hardware threads: 4
RAM usage: 882 MB, # Benchmark threads: 4
Compressing | Decompressing
Dict Speed Usage R/U Rating | Speed Usage R/U Rating
KiB/s % MIPS MIPS | KiB/s % MIPS MIPS
22: 634 277 223 617 | 16525 398 354 1410
23: 633 277 233 646 | 16283 394 357 1409
24: 639 279 246 687 | 16197 395 360 1422
25: 638 280 261 729 | 16103 395 363 1433
---------------------------------- | ------------------------------
Avr: 278 241 670 | 396 358 1418
Tot: 337 300 1044
# time sha1sum zero
2a492f15396a6768bcbca016993f4b4c8b0b5307 zero
real 0m4.826s
user 0m4.520s
sys 0m0.276s
# time qemu-x86_64-static sha1sum zero
2a492f15396a6768bcbca016993f4b4c8b0b5307 zero
real 0m25.971s
user 0m25.232s
sys 0m0.624s
# time xzcat linux-5.9.11.tar.xz >/dev/null
real 0m12.793s
user 0m12.504s
sys 0m0.200s
# time qemu-x86_64-static xzcat linux-5.9.11.tar.xz >/dev/null
real 0m43.766s
user 0m43.108s
sys 0m0.276s
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