VULTR VPS测试
最经弄了个VULTR的VPS，用了一段时间，简单测试如下：
unixbench-5.1.2测试，分数1700左右，跑了一个WP内存占用400M时测试的结果，还算可以
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Benchmark Run: 二 6月 10 2014 18:26:28 - 18:54:52
1 CPU in system; running 1 parallel copy of tests
Dhrystone 2 using register variables 29661827.6 lps (10.0 s, 7 samples)
Double-Precision Whetstone 3324.3 MWIPS (10.0 s, 7 samples)
Execl Throughput 6172.6 lps (30.0 s, 2 samples)
File Copy 1024 bufsize 2000 maxblocks 1052151.6 KBps (30.0 s, 2 samples)
File Copy 256 bufsize 500 maxblocks 298653.3 KBps (30.0 s, 2 samples)
File Copy 4096 bufsize 8000 maxblocks 2428658.6 KBps (30.0 s, 2 samples)
Pipe Throughput 1957286.0 lps (10.0 s, 7 samples)
Pipe-based Context Switching 406621.7 lps (10.0 s, 7 samples)
Process Creation 23380.7 lps (30.0 s, 2 samples)
Shell Scripts (1 concurrent) 6662.2 lpm (60.0 s, 2 samples)
Shell Scripts (8 concurrent) 880.7 lpm (60.0 s, 2 samples)
System Call Overhead 3011667.3 lps (10.0 s, 7 samples)
System Benchmarks Index Values BASELINE RESULT INDEX
Dhrystone 2 using register variables 116700.0 29661827.6 2541.7
Double-Precision Whetstone 55.0 3324.3 604.4
Execl Throughput 43.0 6172.6 1435.5
File Copy 1024 bufsize 2000 maxblocks 3960.0 1052151.6 2656.9
File Copy 256 bufsize 500 maxblocks 1655.0 298653.3 1804.6
File Copy 4096 bufsize 8000 maxblocks 5800.0 2428658.6 4187.3
Pipe Throughput 12440.0 1957286.0 1573.4
Pipe-based Context Switching 4000.0 406621.7 1016.6
Process Creation 126.0 23380.7 1855.6
Shell Scripts (1 concurrent) 42.4 6662.2 1571.3
Shell Scripts (8 concurrent) 6.0 880.7 1467.9
System Call Overhead 15000.0 3011667.3 2007.8
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System Benchmarks Index Score 1706.2
下面是硬盘速度测试，SSD的速度不错
dd if=/dev/zero of=test bs=4k count=256000
dd bs=1M count=128 if=/dev/zero of=test oflag=dsync