Raspberry Pi 4 のベンチマーク結果

RaspberryPi4でいくつか構成を変えてUnixBenchを実行してみる。

実行環境

OS:Raspbian Buster Lite(2019-07-10リリース)
microSD:Samsung EVOPlus 32GB

メモリ1GB版 3A電源 ヒートシンク有

一番結果が良い。

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

System: raspberrypi: GNU/Linux
OS: GNU/Linux -- 4.19.58-v7l+ -- #1245 SMP Fri Jul 12 17:31:45 BST 2019
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)

16:24:53 up 19 min,  2 users,  load average: 0.63, 1.02, 0.87; runlevel 2019-08-06

------------------------------------------------------------------------
Benchmark Run: 火  8月 06 2019 16:24:53 - 16:52:47
4 CPUs in system; running 1 parallel copy of tests

Dhrystone 2 using register variables       10194722.2 lps   (10.0 s, 7 samples)
Double-Precision Whetstone                     2386.8 MWIPS (9.6 s, 7 samples)
Execl Throughput                                891.4 lps   (30.0 s, 2 samples)
File Copy 1024 bufsize 2000 maxblocks        107547.9 KBps  (30.0 s, 2 samples)
File Copy 256 bufsize 500 maxblocks           30592.5 KBps  (30.0 s, 2 samples)
File Copy 4096 bufsize 8000 maxblocks        331423.1 KBps  (30.0 s, 2 samples)
Pipe Throughput                              137189.8 lps   (10.0 s, 7 samples)
Pipe-based Context Switching                  46730.7 lps   (10.0 s, 7 samples)
Process Creation                               1825.1 lps   (30.0 s, 2 samples)
Shell Scripts (1 concurrent)                   2440.0 lpm   (60.0 s, 2 samples)
Shell Scripts (8 concurrent)                    728.8 lpm   (60.1 s, 2 samples)
System Call Overhead                         487470.8 lps   (10.0 s, 7 samples)

System Benchmarks Index Values               BASELINE       RESULT    INDEX
Dhrystone 2 using register variables         116700.0   10194722.2    873.6
Double-Precision Whetstone                       55.0       2386.8    434.0
Execl Throughput                                 43.0        891.4    207.3
File Copy 1024 bufsize 2000 maxblocks          3960.0     107547.9    271.6
File Copy 256 bufsize 500 maxblocks            1655.0      30592.5    184.8
File Copy 4096 bufsize 8000 maxblocks          5800.0     331423.1    571.4
Pipe Throughput                               12440.0     137189.8    110.3
Pipe-based Context Switching                   4000.0      46730.7    116.8
Process Creation                                126.0       1825.1    144.8
Shell Scripts (1 concurrent)                     42.4       2440.0    575.5
Shell Scripts (8 concurrent)                      6.0        728.8   1214.7
System Call Overhead                          15000.0     487470.8    325.0
========
System Benchmarks Index Score                                         315.0

------------------------------------------------------------------------
Benchmark Run: 火  8月 06 2019 16:52:47 - 17:20:44
4 CPUs in system; running 4 parallel copies of tests

Dhrystone 2 using register variables       38393428.5 lps   (10.0 s, 7 samples)
Double-Precision Whetstone                     9528.2 MWIPS (9.6 s, 7 samples)
Execl Throughput                               2910.2 lps   (29.9 s, 2 samples)
File Copy 1024 bufsize 2000 maxblocks        263483.2 KBps  (30.0 s, 2 samples)
File Copy 256 bufsize 500 maxblocks           57766.4 KBps  (30.0 s, 2 samples)
File Copy 4096 bufsize 8000 maxblocks        704877.8 KBps  (30.0 s, 2 samples)
Pipe Throughput                              517914.3 lps   (10.0 s, 7 samples)
Pipe-based Context Switching                 196540.3 lps   (10.0 s, 7 samples)
Process Creation                               5118.0 lps   (30.0 s, 2 samples)
Shell Scripts (1 concurrent)                   6105.1 lpm   (60.1 s, 2 samples)
Shell Scripts (8 concurrent)                    863.0 lpm   (60.1 s, 2 samples)
System Call Overhead                        1848418.4 lps   (10.0 s, 7 samples)

System Benchmarks Index Values               BASELINE       RESULT    INDEX
Dhrystone 2 using register variables         116700.0   38393428.5   3289.9
Double-Precision Whetstone                       55.0       9528.2   1732.4
Execl Throughput                                 43.0       2910.2    676.8
File Copy 1024 bufsize 2000 maxblocks          3960.0     263483.2    665.4
File Copy 256 bufsize 500 maxblocks            1655.0      57766.4    349.0
File Copy 4096 bufsize 8000 maxblocks          5800.0     704877.8   1215.3
Pipe Throughput                               12440.0     517914.3    416.3
Pipe-based Context Switching                   4000.0     196540.3    491.4
Process Creation                                126.0       5118.0    406.2
Shell Scripts (1 concurrent)                     42.4       6105.1   1439.9
Shell Scripts (8 concurrent)                      6.0        863.0   1438.4
System Call Overhead                          15000.0    1848418.4   1232.3
========
System Benchmarks Index Score                                         885.0

メモリ4GB版 2A電源 ヒートシンク無

電源はエレコム製 MPA-ACUCN001WH (最大2A)
電源不足では結果が伸びず。

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

   System: raspberrypi: GNU/Linux
   OS: GNU/Linux -- 4.19.66-v7l+ -- #1253 SMP Thu Aug 15 12:02:08 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)
          
   16:27:54 up 17 min,  1 user,  load average: 0.16, 0.13, 0.06; runlevel Sep

------------------------------------------------------------------------
Benchmark Run: Mon Sep 16 2019 16:27:54 - 16:55:56
4 CPUs in system; running 1 parallel copy of tests

Dhrystone 2 using register variables       10206599.1 lps   (10.0 s, 7 samples)
Double-Precision Whetstone                     2373.7 MWIPS (9.6 s, 7 samples)
Execl Throughput                                914.0 lps   (29.9 s, 2 samples)
File Copy 1024 bufsize 2000 maxblocks        112201.9 KBps  (30.0 s, 2 samples)
File Copy 256 bufsize 500 maxblocks           31200.0 KBps  (30.0 s, 2 samples)
File Copy 4096 bufsize 8000 maxblocks        312524.6 KBps  (30.0 s, 2 samples)
Pipe Throughput                              158809.7 lps   (10.0 s, 7 samples)
Pipe-based Context Switching                  47388.5 lps   (10.0 s, 7 samples)
Process Creation                               1879.8 lps   (30.0 s, 2 samples)
Shell Scripts (1 concurrent)                   2535.1 lpm   (60.0 s, 2 samples)
Shell Scripts (8 concurrent)                    754.8 lpm   (60.1 s, 2 samples)
System Call Overhead                         490115.5 lps   (10.0 s, 7 samples)

System Benchmarks Index Values               BASELINE       RESULT    INDEX
Dhrystone 2 using register variables         116700.0   10206599.1    874.6
Double-Precision Whetstone                       55.0       2373.7    431.6
Execl Throughput                                 43.0        914.0    212.6
File Copy 1024 bufsize 2000 maxblocks          3960.0     112201.9    283.3
File Copy 256 bufsize 500 maxblocks            1655.0      31200.0    188.5
File Copy 4096 bufsize 8000 maxblocks          5800.0     312524.6    538.8
Pipe Throughput                               12440.0     158809.7    127.7
Pipe-based Context Switching                   4000.0      47388.5    118.5
Process Creation                                126.0       1879.8    149.2
Shell Scripts (1 concurrent)                     42.4       2535.1    597.9
Shell Scripts (8 concurrent)                      6.0        754.8   1258.0
System Call Overhead                          15000.0     490115.5    326.7
                                                                   ========
System Benchmarks Index Score                                         322.8

------------------------------------------------------------------------
Benchmark Run: Mon Sep 16 2019 16:55:56 - 17:24:12
4 CPUs in system; running 4 parallel copies of tests

Dhrystone 2 using register variables       33579690.3 lps   (10.0 s, 7 samples)
Double-Precision Whetstone                     8250.9 MWIPS (11.1 s, 7 samples)
Execl Throughput                               2508.3 lps   (29.9 s, 2 samples)
File Copy 1024 bufsize 2000 maxblocks        187016.6 KBps  (30.0 s, 2 samples)
File Copy 256 bufsize 500 maxblocks           52112.4 KBps  (30.0 s, 2 samples)
File Copy 4096 bufsize 8000 maxblocks        568140.4 KBps  (30.0 s, 2 samples)
Pipe Throughput                              591092.2 lps   (10.0 s, 7 samples)
Pipe-based Context Switching                 181702.8 lps   (10.0 s, 7 samples)
Process Creation                               4645.9 lps   (30.0 s, 2 samples)
Shell Scripts (1 concurrent)                   5679.6 lpm   (60.0 s, 2 samples)
Shell Scripts (8 concurrent)                    731.4 lpm   (60.2 s, 2 samples)
System Call Overhead                        1858134.1 lps   (10.0 s, 7 samples)

System Benchmarks Index Values               BASELINE       RESULT    INDEX
Dhrystone 2 using register variables         116700.0   33579690.3   2877.4
Double-Precision Whetstone                       55.0       8250.9   1500.2
Execl Throughput                                 43.0       2508.3    583.3
File Copy 1024 bufsize 2000 maxblocks          3960.0     187016.6    472.3
File Copy 256 bufsize 500 maxblocks            1655.0      52112.4    314.9
File Copy 4096 bufsize 8000 maxblocks          5800.0     568140.4    979.6
Pipe Throughput                               12440.0     591092.2    475.2
Pipe-based Context Switching                   4000.0     181702.8    454.3
Process Creation                                126.0       4645.9    368.7
Shell Scripts (1 concurrent)                     42.4       5679.6   1339.5
Shell Scripts (8 concurrent)                      6.0        731.4   1219.1
System Call Overhead                          15000.0    1858134.1   1238.8
                                                                   ========
System Benchmarks Index Score                                         790.0

メモリ4GB版 5A電源 ヒートシンク無

電源はPhysical Computing Lab製 TSI-Pi039-5V5Ax4-1C (最大5A)

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

   System: raspberrypi: GNU/Linux
   OS: GNU/Linux -- 4.19.66-v7l+ -- #1253 SMP Thu Aug 15 12:02:08 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)
          
   11:52:47 up 9 min,  1 user,  load average: 0.00, 0.00, 0.00; runlevel Sep

------------------------------------------------------------------------
Benchmark Run: 月  9月 30 2019 11:52:47 - 12:20:45
4 CPUs in system; running 1 parallel copy of tests

Dhrystone 2 using register variables       10214310.2 lps   (10.0 s, 7 samples)
Double-Precision Whetstone                     2385.4 MWIPS (9.6 s, 7 samples)
Execl Throughput                                924.5 lps   (30.0 s, 2 samples)
File Copy 1024 bufsize 2000 maxblocks        114534.1 KBps  (30.0 s, 2 samples)
File Copy 256 bufsize 500 maxblocks           31931.4 KBps  (30.0 s, 2 samples)
File Copy 4096 bufsize 8000 maxblocks        317969.3 KBps  (30.0 s, 2 samples)
Pipe Throughput                              160253.0 lps   (10.0 s, 7 samples)
Pipe-based Context Switching                  47686.6 lps   (10.0 s, 7 samples)
Process Creation                               1876.6 lps   (30.0 s, 2 samples)
Shell Scripts (1 concurrent)                   2615.3 lpm   (60.0 s, 2 samples)
Shell Scripts (8 concurrent)                    756.3 lpm   (60.1 s, 2 samples)
System Call Overhead                         489591.7 lps   (10.0 s, 7 samples)

System Benchmarks Index Values               BASELINE       RESULT    INDEX
Dhrystone 2 using register variables         116700.0   10214310.2    875.3
Double-Precision Whetstone                       55.0       2385.4    433.7
Execl Throughput                                 43.0        924.5    215.0
File Copy 1024 bufsize 2000 maxblocks          3960.0     114534.1    289.2
File Copy 256 bufsize 500 maxblocks            1655.0      31931.4    192.9
File Copy 4096 bufsize 8000 maxblocks          5800.0     317969.3    548.2
Pipe Throughput                               12440.0     160253.0    128.8
Pipe-based Context Switching                   4000.0      47686.6    119.2
Process Creation                                126.0       1876.6    148.9
Shell Scripts (1 concurrent)                     42.4       2615.3    616.8
Shell Scripts (8 concurrent)                      6.0        756.3   1260.5
System Call Overhead                          15000.0     489591.7    326.4
                                                                   ========
System Benchmarks Index Score                                         326.2

------------------------------------------------------------------------
Benchmark Run: 月  9月 30 2019 12:20:45 - 12:48:49
4 CPUs in system; running 4 parallel copies of tests

Dhrystone 2 using register variables       40624750.9 lps   (10.0 s, 7 samples)
Double-Precision Whetstone                     9527.7 MWIPS (9.6 s, 7 samples)
Execl Throughput                               2742.8 lps   (29.9 s, 2 samples)
File Copy 1024 bufsize 2000 maxblocks        218057.9 KBps  (30.0 s, 2 samples)
File Copy 256 bufsize 500 maxblocks           61237.9 KBps  (30.0 s, 2 samples)
File Copy 4096 bufsize 8000 maxblocks        603562.0 KBps  (30.0 s, 2 samples)
Pipe Throughput                              604076.9 lps   (10.0 s, 7 samples)
Pipe-based Context Switching                 194385.3 lps   (10.0 s, 7 samples)
Process Creation                               4735.4 lps   (30.0 s, 2 samples)
Shell Scripts (1 concurrent)                   6020.0 lpm   (60.0 s, 2 samples)
Shell Scripts (8 concurrent)                    818.4 lpm   (60.2 s, 2 samples)
System Call Overhead                        1847254.9 lps   (10.0 s, 7 samples)

System Benchmarks Index Values               BASELINE       RESULT    INDEX
Dhrystone 2 using register variables         116700.0   40624750.9   3481.1
Double-Precision Whetstone                       55.0       9527.7   1732.3
Execl Throughput                                 43.0       2742.8    637.9
File Copy 1024 bufsize 2000 maxblocks          3960.0     218057.9    550.7
File Copy 256 bufsize 500 maxblocks            1655.0      61237.9    370.0
File Copy 4096 bufsize 8000 maxblocks          5800.0     603562.0   1040.6
Pipe Throughput                               12440.0     604076.9    485.6
Pipe-based Context Switching                   4000.0     194385.3    486.0
Process Creation                                126.0       4735.4    375.8
Shell Scripts (1 concurrent)                     42.4       6020.0   1419.8
Shell Scripts (8 concurrent)                      6.0        818.4   1363.9
System Call Overhead                          15000.0    1847254.9   1231.5
                                                                   ========
System Benchmarks Index Score                                         863.8

メモリ4GB版 5A電源 ヒートシンク有

電源はPhysical Computing Lab製 TSI-Pi039-5V5Ax4-1C (最大5A)
ヒートシンク無と結果は変わらず。

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

   System: raspberrypi: GNU/Linux
   OS: GNU/Linux -- 4.19.66-v7l+ -- #1253 SMP Thu Aug 15 12:02:08 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)
          
   18:27:20 up 3 min,  1 user,  load average: 0.36, 0.26, 0.11; runlevel Oct

------------------------------------------------------------------------
Benchmark Run: 火 10月 01 2019 18:27:20 - 18:55:18
4 CPUs in system; running 1 parallel copy of tests

Dhrystone 2 using register variables       10206112.5 lps   (10.0 s, 7 samples)
Double-Precision Whetstone                     2385.7 MWIPS (9.6 s, 7 samples)
Execl Throughput                                919.8 lps   (29.9 s, 2 samples)
File Copy 1024 bufsize 2000 maxblocks        112221.0 KBps  (30.0 s, 2 samples)
File Copy 256 bufsize 500 maxblocks           31624.4 KBps  (30.0 s, 2 samples)
File Copy 4096 bufsize 8000 maxblocks        310702.3 KBps  (30.0 s, 2 samples)
Pipe Throughput                              159697.3 lps   (10.0 s, 7 samples)
Pipe-based Context Switching                  47198.1 lps   (10.0 s, 7 samples)
Process Creation                               1853.3 lps   (30.0 s, 2 samples)
Shell Scripts (1 concurrent)                   2503.2 lpm   (60.0 s, 2 samples)
Shell Scripts (8 concurrent)                    754.2 lpm   (60.1 s, 2 samples)
System Call Overhead                         491628.7 lps   (10.0 s, 7 samples)

System Benchmarks Index Values               BASELINE       RESULT    INDEX
Dhrystone 2 using register variables         116700.0   10206112.5    874.6
Double-Precision Whetstone                       55.0       2385.7    433.8
Execl Throughput                                 43.0        919.8    213.9
File Copy 1024 bufsize 2000 maxblocks          3960.0     112221.0    283.4
File Copy 256 bufsize 500 maxblocks            1655.0      31624.4    191.1
File Copy 4096 bufsize 8000 maxblocks          5800.0     310702.3    535.7
Pipe Throughput                               12440.0     159697.3    128.4
Pipe-based Context Switching                   4000.0      47198.1    118.0
Process Creation                                126.0       1853.3    147.1
Shell Scripts (1 concurrent)                     42.4       2503.2    590.4
Shell Scripts (8 concurrent)                      6.0        754.2   1256.9
System Call Overhead                          15000.0     491628.7    327.8
                                                                   ========
System Benchmarks Index Score                                         322.7

------------------------------------------------------------------------
Benchmark Run: 火 10月 01 2019 18:55:18 - 19:23:24
4 CPUs in system; running 4 parallel copies of tests

Dhrystone 2 using register variables       40518015.1 lps   (10.0 s, 7 samples)
Double-Precision Whetstone                     9535.2 MWIPS (9.6 s, 7 samples)
Execl Throughput                               2754.6 lps   (29.9 s, 2 samples)
File Copy 1024 bufsize 2000 maxblocks        221188.8 KBps  (30.0 s, 2 samples)
File Copy 256 bufsize 500 maxblocks           61318.2 KBps  (30.0 s, 2 samples)
File Copy 4096 bufsize 8000 maxblocks        605958.4 KBps  (30.0 s, 2 samples)
Pipe Throughput                              607507.3 lps   (10.0 s, 7 samples)
Pipe-based Context Switching                 197111.8 lps   (10.0 s, 7 samples)
Process Creation                               4702.3 lps   (30.0 s, 2 samples)
Shell Scripts (1 concurrent)                   6014.3 lpm   (60.0 s, 2 samples)
Shell Scripts (8 concurrent)                    821.6 lpm   (60.1 s, 2 samples)
System Call Overhead                        1858456.4 lps   (10.0 s, 7 samples)

System Benchmarks Index Values               BASELINE       RESULT    INDEX
Dhrystone 2 using register variables         116700.0   40518015.1   3472.0
Double-Precision Whetstone                       55.0       9535.2   1733.7
Execl Throughput                                 43.0       2754.6    640.6
File Copy 1024 bufsize 2000 maxblocks          3960.0     221188.8    558.6
File Copy 256 bufsize 500 maxblocks            1655.0      61318.2    370.5
File Copy 4096 bufsize 8000 maxblocks          5800.0     605958.4   1044.8
Pipe Throughput                               12440.0     607507.3    488.3
Pipe-based Context Switching                   4000.0     197111.8    492.8
Process Creation                                126.0       4702.3    373.2
Shell Scripts (1 concurrent)                     42.4       6014.3   1418.5
Shell Scripts (8 concurrent)                      6.0        821.6   1369.4
System Call Overhead                          15000.0    1858456.4   1239.0
                                                                   ========
System Benchmarks Index Score                                         866.9

メモリ4GB版 5A電源 ファン付金属ケース

電源はPhysical Computing Lab製 TSI-Pi039-5V5Ax4-1C (最大5A)
ヒートシンクよりスコアが高い。

========================================================================
Benchmark Run: Fri Oct 04 2019 15:08:01 - 15:35:58
4 CPUs in system; running 1 parallel copy of tests

Dhrystone 2 using register variables       10198575.0 lps   (10.0 s, 7 samples)
Double-Precision Whetstone                     2378.7 MWIPS (9.6 s, 7 samples)
Execl Throughput                                925.4 lps   (30.0 s, 2 samples)
File Copy 1024 bufsize 2000 maxblocks        113031.4 KBps  (30.0 s, 2 samples)
File Copy 256 bufsize 500 maxblocks           31458.4 KBps  (30.0 s, 2 samples)
File Copy 4096 bufsize 8000 maxblocks        315623.9 KBps  (30.0 s, 2 samples)
Pipe Throughput                              162669.8 lps   (10.0 s, 7 samples)
Pipe-based Context Switching                  49456.2 lps   (10.0 s, 7 samples)
Process Creation                               1902.2 lps   (30.0 s, 2 samples)
Shell Scripts (1 concurrent)                   2597.3 lpm   (60.0 s, 2 samples)
Shell Scripts (8 concurrent)                    770.9 lpm   (60.1 s, 2 samples)
System Call Overhead                         490539.0 lps   (10.0 s, 7 samples)

System Benchmarks Index Values               BASELINE       RESULT    INDEX
Dhrystone 2 using register variables         116700.0   10198575.0    873.9
Double-Precision Whetstone                       55.0       2378.7    432.5
Execl Throughput                                 43.0        925.4    215.2
File Copy 1024 bufsize 2000 maxblocks          3960.0     113031.4    285.4
File Copy 256 bufsize 500 maxblocks            1655.0      31458.4    190.1
File Copy 4096 bufsize 8000 maxblocks          5800.0     315623.9    544.2
Pipe Throughput                               12440.0     162669.8    130.8
Pipe-based Context Switching                   4000.0      49456.2    123.6
Process Creation                                126.0       1902.2    151.0
Shell Scripts (1 concurrent)                     42.4       2597.3    612.6
Shell Scripts (8 concurrent)                      6.0        770.9   1284.9
System Call Overhead                          15000.0     490539.0    327.0
                                                                   ========
System Benchmarks Index Score                                         327.3

------------------------------------------------------------------------
Benchmark Run: Fri Oct 04 2019 15:35:58 - 16:03:56
4 CPUs in system; running 4 parallel copies of tests

Dhrystone 2 using register variables       40785845.0 lps   (10.0 s, 7 samples)
Double-Precision Whetstone                     9535.6 MWIPS (9.6 s, 7 samples)
Execl Throughput                               2751.9 lps   (29.9 s, 2 samples)
File Copy 1024 bufsize 2000 maxblocks        218394.2 KBps  (30.0 s, 2 samples)
File Copy 256 bufsize 500 maxblocks           60103.1 KBps  (30.0 s, 2 samples)
File Copy 4096 bufsize 8000 maxblocks        634415.0 KBps  (30.0 s, 2 samples)
Pipe Throughput                              618730.8 lps   (10.0 s, 7 samples)
Pipe-based Context Switching                 196289.7 lps   (10.0 s, 7 samples)
Process Creation                               4728.1 lps   (30.0 s, 2 samples)
Shell Scripts (1 concurrent)                   6145.0 lpm   (60.0 s, 2 samples)
Shell Scripts (8 concurrent)                    841.3 lpm   (60.1 s, 2 samples)
System Call Overhead                        1847000.1 lps   (10.0 s, 7 samples)

System Benchmarks Index Values               BASELINE       RESULT    INDEX
Dhrystone 2 using register variables         116700.0   40785845.0   3494.9
Double-Precision Whetstone                       55.0       9535.6   1733.7
Execl Throughput                                 43.0       2751.9    640.0
File Copy 1024 bufsize 2000 maxblocks          3960.0     218394.2    551.5
File Copy 256 bufsize 500 maxblocks            1655.0      60103.1    363.2
File Copy 4096 bufsize 8000 maxblocks          5800.0     634415.0   1093.8
Pipe Throughput                               12440.0     618730.8    497.4
Pipe-based Context Switching                   4000.0     196289.7    490.7
Process Creation                                126.0       4728.1    375.2
Shell Scripts (1 concurrent)                     42.4       6145.0   1449.3
Shell Scripts (8 concurrent)                      6.0        841.3   1402.2
System Call Overhead                          15000.0    1847000.1   1231.3
                                                                   ========
System Benchmarks Index Score                                         872.5

結果まとめ

・電源の性能がスコアに影響する。公式のアナウンス通りに最低3A以上の電源が必要。
 なお、2Aでも起動はするがスコアは悪い。
・ヒートシンクの有無はあまり結果に影響しなかった。
・ファンにて冷却させたところスコアが良くなった。
・1GB版の方が4GB版よりわずかに結果が良い。

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