Raspberry Pi 2 model B

言わずと知れたシングルボードコンピュータです。

目次

  1. 構成
  2. ベンチマーク

構成

CPU ARM Cortex-A7 900MHz 4c
RAM 1GB

電源やマイクロSDカードは、スマホからの使い回しです。

ベンチマーク

UnixBenchです。

========================================================================
   BYTE UNIX Benchmarks (Version 5.1.3)

   System: raspberrypi: GNU/Linux
   OS: GNU/Linux -- 4.9.59-v7+ -- #1047 SMP Sun Oct 29 12:19:23 GMT 2017
   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)

   xx:xx:xx up xx min,  1 user,  load average: 0.28, 0.23, 0.46; runlevel 5

------------------------------------------------------------------------
Benchmark Run: x  x月 xx 2018 xx:xx:xx - xx:xx:xx
4 CPUs in system; running 1 parallel copy of tests

Dhrystone 2 using register variables        3038846.7 lps   (10.0 s, 7 samples)
Double-Precision Whetstone                      582.7 MWIPS (10.0 s, 7 samples)
Execl Throughput                                334.6 lps   (29.9 s, 2 samples)
File Copy 1024 bufsize 2000 maxblocks         72191.4 KBps  (30.0 s, 2 samples)
File Copy 256 bufsize 500 maxblocks           20869.3 KBps  (30.0 s, 2 samples)
File Copy 4096 bufsize 8000 maxblocks        184658.8 KBps  (30.0 s, 2 samples)
Pipe Throughput                              193000.7 lps   (10.0 s, 7 samples)
Pipe-based Context Switching                  32708.3 lps   (10.0 s, 7 samples)
Process Creation                               1101.4 lps   (30.0 s, 2 samples)
Shell Scripts (1 concurrent)                   1152.4 lpm   (60.0 s, 2 samples)
Shell Scripts (8 concurrent)                    325.8 lpm   (60.1 s, 2 samples)
System Call Overhead                         389783.2 lps   (10.0 s, 7 samples)

System Benchmarks Index Values               BASELINE       RESULT    INDEX
Dhrystone 2 using register variables         116700.0    3038846.7    260.4
Double-Precision Whetstone                       55.0        582.7    105.9
Execl Throughput                                 43.0        334.6     77.8
File Copy 1024 bufsize 2000 maxblocks          3960.0      72191.4    182.3
File Copy 256 bufsize 500 maxblocks            1655.0      20869.3    126.1
File Copy 4096 bufsize 8000 maxblocks          5800.0     184658.8    318.4
Pipe Throughput                               12440.0     193000.7    155.1
Pipe-based Context Switching                   4000.0      32708.3     81.8
Process Creation                                126.0       1101.4     87.4
Shell Scripts (1 concurrent)                     42.4       1152.4    271.8
Shell Scripts (8 concurrent)                      6.0        325.8    542.9
System Call Overhead                          15000.0     389783.2    259.9
                                                                   ========
System Benchmarks Index Score                                         172.0

------------------------------------------------------------------------
Benchmark Run: x  x月 xx 2018 xx:xx:xx - xx:xx:xx
4 CPUs in system; running 4 parallel copies of tests

Dhrystone 2 using register variables       12115790.4 lps   (10.0 s, 7 samples)
Double-Precision Whetstone                     2330.4 MWIPS (10.0 s, 7 samples)
Execl Throughput                               1183.9 lps   (29.9 s, 2 samples)
File Copy 1024 bufsize 2000 maxblocks        106937.8 KBps  (30.0 s, 2 samples)
File Copy 256 bufsize 500 maxblocks           29869.3 KBps  (30.0 s, 2 samples)
File Copy 4096 bufsize 8000 maxblocks        289134.1 KBps  (30.0 s, 2 samples)
Pipe Throughput                              770295.7 lps   (10.0 s, 7 samples)
Pipe-based Context Switching                 118597.6 lps   (10.0 s, 7 samples)
Process Creation                               2632.2 lps   (30.0 s, 2 samples)
Shell Scripts (1 concurrent)                   2632.7 lpm   (60.1 s, 2 samples)
Shell Scripts (8 concurrent)                    345.2 lpm   (60.4 s, 2 samples)
System Call Overhead                        1507774.7 lps   (10.0 s, 7 samples)

System Benchmarks Index Values               BASELINE       RESULT    INDEX
Dhrystone 2 using register variables         116700.0   12115790.4   1038.2
Double-Precision Whetstone                       55.0       2330.4    423.7
Execl Throughput                                 43.0       1183.9    275.3
File Copy 1024 bufsize 2000 maxblocks          3960.0     106937.8    270.0
File Copy 256 bufsize 500 maxblocks            1655.0      29869.3    180.5
File Copy 4096 bufsize 8000 maxblocks          5800.0     289134.1    498.5
Pipe Throughput                               12440.0     770295.7    619.2
Pipe-based Context Switching                   4000.0     118597.6    296.5
Process Creation                                126.0       2632.2    208.9
Shell Scripts (1 concurrent)                     42.4       2632.7    620.9
Shell Scripts (8 concurrent)                      6.0        345.2    575.4
System Call Overhead                          15000.0    1507774.7   1005.2
                                                                   ========
System Benchmarks Index Score                                         430.5

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