測定対象の環境は下記の通りです。
対象:Raspberry Pi 4 Model B
OS:Linux raspberrypi 4.19.97-v7l+
UnixBench:Version 5.1.3
==========================================================
BYTE UNIX Benchmarks (Version 5.1.3)
System: raspberrypi: GNU/Linux
OS: GNU/Linux -- 4.19.97-v7l+ -- #1294 SMP Thu Jan 30 13:21:14 GMT 2020
Machine: armv7l (unknown)
Language: en_US.utf8 (charmap="UTF-8", collate="UTF-8")
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)
23:08:32 up 1:42, 2 users, load average: 0.18, 0.05, 0.01; runlevel 2020-03-18
------------------------------------------------------------------------
Benchmark Run: 水 3月 18 2020 23:08:32 - 23:36:29
4 CPUs in system; running 1 parallel copy of tests
Dhrystone 2 using register variables 10136787.6 lps (10.0 s, 7 samples)
Double-Precision Whetstone 2386.2 MWIPS (9.6 s, 7 samples)
Execl Throughput 880.4 lps (29.9 s, 2 samples)
File Copy 1024 bufsize 2000 maxblocks 112943.5 KBps (30.0 s, 2 samples)
File Copy 256 bufsize 500 maxblocks 31314.0 KBps (30.0 s, 2 samples)
File Copy 4096 bufsize 8000 maxblocks 310654.0 KBps (30.0 s, 2 samples)
Pipe Throughput 158570.6 lps (10.0 s, 7 samples)
Pipe-based Context Switching 43743.9 lps (10.0 s, 7 samples)
Process Creation 1865.7 lps (30.0 s, 2 samples)
Shell Scripts (1 concurrent) 2517.7 lpm (60.0 s, 2 samples)
Shell Scripts (8 concurrent) 725.2 lpm (60.1 s, 2 samples)
System Call Overhead 491874.5 lps (10.0 s, 7 samples)
System Benchmarks Index Values BASELINE RESULT INDEX
Dhrystone 2 using register variables 116700.0 10136787.6 868.6
Double-Precision Whetstone 55.0 2386.2 433.9
Execl Throughput 43.0 880.4 204.7
File Copy 1024 bufsize 2000 maxblocks 3960.0 112943.5 285.2
File Copy 256 bufsize 500 maxblocks 1655.0 31314.0 189.2
File Copy 4096 bufsize 8000 maxblocks 5800.0 310654.0 535.6
Pipe Throughput 12440.0 158570.6 127.5
Pipe-based Context Switching 4000.0 43743.9 109.4
Process Creation 126.0 1865.7 148.1
Shell Scripts (1 concurrent) 42.4 2517.7 593.8
Shell Scripts (8 concurrent) 6.0 725.2 1208.7
System Call Overhead 15000.0 491874.5 327.9
========
System Benchmarks Index Score 318.3
------------------------------------------------------------------------
Benchmark Run: 水 3月 18 2020 23:36:29 - 00:04:27
4 CPUs in system; running 4 parallel copies of tests
Dhrystone 2 using register variables 40400434.4 lps (10.0 s, 7 samples)
Double-Precision Whetstone 9528.3 MWIPS (9.6 s, 7 samples)
Execl Throughput 2696.1 lps (29.9 s, 2 samples)
File Copy 1024 bufsize 2000 maxblocks 218686.8 KBps (30.0 s, 2 samples)
File Copy 256 bufsize 500 maxblocks 60307.8 KBps (30.0 s, 2 samples)
File Copy 4096 bufsize 8000 maxblocks 618303.0 KBps (30.0 s, 2 samples)
Pipe Throughput 598961.4 lps (10.0 s, 7 samples)
Pipe-based Context Switching 195700.7 lps (10.0 s, 7 samples)
Process Creation 4720.9 lps (30.0 s, 2 samples)
Shell Scripts (1 concurrent) 5775.6 lpm (60.0 s, 2 samples)
Shell Scripts (8 concurrent) 791.8 lpm (60.1 s, 2 samples)
System Call Overhead 1862650.3 lps (10.0 s, 7 samples)
System Benchmarks Index Values BASELINE RESULT INDEX
Dhrystone 2 using register variables 116700.0 40400434.4 3461.9
Double-Precision Whetstone 55.0 9528.3 1732.4
Execl Throughput 43.0 2696.1 627.0
File Copy 1024 bufsize 2000 maxblocks 3960.0 218686.8 552.2
File Copy 256 bufsize 500 maxblocks 1655.0 60307.8 364.4
File Copy 4096 bufsize 8000 maxblocks 5800.0 618303.0 1066.0
Pipe Throughput 12440.0 598961.4 481.5
Pipe-based Context Switching 4000.0 195700.7 489.3
Process Creation 126.0 4720.9 374.7
Shell Scripts (1 concurrent) 42.4 5775.6 1362.2
Shell Scripts (8 concurrent) 6.0 791.8 1319.7
System Call Overhead 15000.0 1862650.3 1241.8
========
System Benchmarks Index Score 857.9
Raspberry Pi 2 で測定したときは、419.8だったので、
倍以上の性能になっているみたいです。