SDCard の16GB のテスト代わりに、RasPi に Raspbian Jessie を入れてベンチマークしてみました。
環境はこんな感じ。
# uname -a Linux raspberrypi 4.1.13-v7+ #826 SMP PREEMPT Fri Nov 13 20:19:03 GMT 2015 armv7l GNU/Linux
で、ベンチマーク
========================================================================
BYTE UNIX Benchmarks (Version 5.1.3)
System: raspberrypi: GNU/Linux
OS: GNU/Linux -- 4.1.13-v7+ -- #826 SMP PREEMPT Fri Nov 13 20:19:03 GMT 2015
Machine: armv7l (unknown)
Language: en_US.utf8 (charmap="ANSI_X3.4-1968", collate="ANSI_X3.4-1968")
CPU 0: ARMv7 Processor rev 5 (v7l) (0.0 bogomips)
CPU 1: ARMv7 Processor rev 5 (v7l) (0.0 bogomips)
CPU 2: ARMv7 Processor rev 5 (v7l) (0.0 bogomips)
CPU 3: ARMv7 Processor rev 5 (v7l) (0.0 bogomips)
23:14:27 up 11 min, 3 users, load average: 0.23, 0.16, 0.10; runlevel 5
------------------------------------------------------------------------
Benchmark Run: 月 2月 01 2016 23:14:27 - 23:42:32
4 CPUs in system; running 4 parallel copies of tests
Dhrystone 2 using register variables 13364099.5 lps (10.0 s, 7 samples)
Double-Precision Whetstone 1935.3 MWIPS (9.9 s, 7 samples)
Execl Throughput 1438.9 lps (29.9 s, 2 samples)
File Copy 1024 bufsize 2000 maxblocks 136337.7 KBps (30.0 s, 2 samples)
File Copy 256 bufsize 500 maxblocks 38047.7 KBps (30.0 s, 2 samples)
File Copy 4096 bufsize 8000 maxblocks 359110.7 KBps (30.0 s, 2 samples)
Pipe Throughput 788483.7 lps (10.0 s, 7 samples)
Pipe-based Context Switching 141326.6 lps (10.0 s, 7 samples)
Process Creation 3012.6 lps (30.0 s, 2 samples)
Shell Scripts (1 concurrent) 3025.1 lpm (60.1 s, 2 samples)
Shell Scripts (8 concurrent) 406.0 lpm (60.2 s, 2 samples)
System Call Overhead 1760060.4 lps (10.0 s, 7 samples)
System Benchmarks Index Values BASELINE RESULT INDEX
Dhrystone 2 using register variables 116700.0 13364099.5 1145.2
Double-Precision Whetstone 55.0 1935.3 351.9
Execl Throughput 43.0 1438.9 334.6
File Copy 1024 bufsize 2000 maxblocks 3960.0 136337.7 344.3
File Copy 256 bufsize 500 maxblocks 1655.0 38047.7 229.9
File Copy 4096 bufsize 8000 maxblocks 5800.0 359110.7 619.2
Pipe Throughput 12440.0 788483.7 633.8
Pipe-based Context Switching 4000.0 141326.6 353.3
Process Creation 126.0 3012.6 239.1
Shell Scripts (1 concurrent) 42.4 3025.1 713.5
Shell Scripts (8 concurrent) 6.0 406.0 676.6
System Call Overhead 15000.0 1760060.4 1173.4
========
System Benchmarks Index Score 491.8
あら、なんか速いんじゃないでしょうか？
以前計測したときは、400ちょい超えたくらいだったはずです。