# hdparm -t /dev/sda
/dev/sda:
SG_IO: bad/missing sense data, sb[]: 70 00 05 00 00 00 00 0a 00 00 00 00 20 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
Timing buffered disk reads: 304 MB in 3.00 seconds = 101.17 MB/sec
root@raspi4:~#
101.17 MB/secと高速 !!!!
定番の
[UNIX Benchmark]
BYTE UNIX Benchmarks (Version 5.1.3)
System: raspi4: GNU/Linux
OS: GNU/Linux -- 4.19.50-v7l+ -- #895 SMP Thu Jun 20 16:03:42 BST 2019
Machine: armv7l (unknown)
Language: en_US.utf8 (charmap="ANSI_X3.4-1968", collate="ANSI_X3.4-1968")
CPU 0: ARMv7 Processor rev 3 (v7l) (0.0 bogomips)
CPU 1: ARMv7 Processor rev 3 (v7l) (0.0 bogomips)
BYTE UNIX Benchmarks (Version 5.1.3)
System: raspi4: GNU/Linux
OS: GNU/Linux -- 4.19.50-v7l+ -- #895 SMP Thu Jun 20 16:03:42 BST 2019
Machine: armv7l (unknown)
Language: en_US.utf8 (charmap="ANSI_X3.4-1968", collate="ANSI_X3.4-1968")
CPU 0: ARMv7 Processor rev 3 (v7l) (0.0 bogomips)
CPU 1: ARMv7 Processor rev 3 (v7l) (0.0 bogomips)
CPU 2: ARMv7 Processor rev 3 (v7l) (0.0 bogomips)
CPU 3: ARMv7 Processor rev 3 (v7l) (0.0 bogomips)
13:22:30 up 50 min, 2 users, load average: 0.15, 0.03, 0.01; runlevel 5
------------------------------------------------------------------------
Benchmark Run: 水 7月 10 2019 13:22:30 - 13:50:32
4 CPUs in system; running 4 parallel copies of tests
Dhrystone 2 using register variables 40558612.6 lps (10.0 s, 7 samples)
Double-Precision Whetstone 9568.0 MWIPS (9.6 s, 7 samples)
Execl Throughput 2762.7 lps (29.9 s, 2 samples)
File Copy 1024 bufsize 2000 maxblocks 212991.3 KBps (30.0 s, 2 samples)
File Copy 256 bufsize 500 maxblocks 59038.7 KBps (30.0 s, 2 samples)
File Copy 4096 bufsize 8000 maxblocks 564952.0 KBps (30.1 s, 2 samples)
Pipe Throughput 606927.9 lps (10.0 s, 7 samples)
Pipe-based Context Switching 190875.9 lps (10.0 s, 7 samples)
Process Creation 4626.3 lps (30.0 s, 2 samples)
Shell Scripts (1 concurrent) 5876.2 lpm (60.0 s, 2 samples)
Shell Scripts (8 concurrent) 804.0 lpm (60.1 s, 2 samples)
System Call Overhead 1868584.3 lps (10.0 s, 7 samples)
System Benchmarks Index Values BASELINE RESULT INDEX
Dhrystone 2 using register variables 116700.0 40558612.6 3475.5
Double-Precision Whetstone 55.0 9568.0 1739.6
Execl Throughput 43.0 2762.7 642.5
File Copy 1024 bufsize 2000 maxblocks 3960.0 212991.3 537.9
File Copy 256 bufsize 500 maxblocks 1655.0 59038.7 356.7
File Copy 4096 bufsize 8000 maxblocks 5800.0 564952.0 974.1
Pipe Throughput 12440.0 606927.9 487.9
Pipe-based Context Switching 4000.0 190875.9 477.2
Process Creation 126.0 4626.3 367.2
Shell Scripts (1 concurrent) 42.4 5876.2 1385.9
Shell Scripts (8 concurrent) 6.0 804.0 1340.0
System Call Overhead 15000.0 1868584.3 1245.7
========
System Benchmarks Index Score 850.7
とりあえず......