virpus vps 性能测试

今天购买了一台512M内存的VPS，价格便宜4刀，网络访问速度一般，延迟是400左右，下面是服务器性能测试，在测试中发现处理器性能不错，得分比较高，但是IO性能不怎么样，网速能达到12M。

优点：机器性能不错，稳定，价格便宜。

缺点：网络访问速度一般，IO性能弱。
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Version 5.1.2                      Based on the Byte Magazine Unix Benchmark

Multi-CPU version                  Version 5 revisions by Ian Smith,
Sunnyvale, CA, USA
December 22, 2007                  johantheghost at yahoo period com

1 x Dhrystone 2 using register variables  1 2 3 4 5 6 7 8 9 10

1 x Double-Precision Whetstone  1 2 3 4 5 6 7 8 9 10

1 x Execl Throughput  1 2 3

1 x File Copy 1024 bufsize 2000 maxblocks  1 2 3

1 x File Copy 256 bufsize 500 maxblocks  1 2 3

1 x File Copy 4096 bufsize 8000 maxblocks  1 2 3

1 x Pipe Throughput  1 2 3 4 5 6 7 8 9 10

1 x Pipe-based Context Switching  1 2 3 4 5 6 7 8 9 10

1 x Process Creation  1 2 3

1 x System Call Overhead  1 2 3 4 5 6 7 8 9 10

1 x Shell Scripts (1 concurrent)  1 2 3

1 x Shell Scripts (8 concurrent)  1 2 3

6 x Dhrystone 2 using register variables  1 2 3 4 5 6 7 8 9 10

6 x Double-Precision Whetstone  1 2 3 4 5 6 7 8 9 10

6 x Execl Throughput  1 2 3

6 x File Copy 1024 bufsize 2000 maxblocks  1 2 3

6 x File Copy 256 bufsize 500 maxblocks  1 2 3

6 x File Copy 4096 bufsize 8000 maxblocks  1 2 3

6 x Pipe Throughput  1 2 3 4 5 6 7 8 9 10

6 x Pipe-based Context Switching  1 2 3 4 5 6 7 8 9 10

6 x Process Creation  1 2 3

6 x System Call Overhead  1 2 3 4 5 6 7 8 9 10

6 x Shell Scripts (1 concurrent)  1 2 3

6 x Shell Scripts (8 concurrent)  1 2 3

========================================================================
BYTE UNIX Benchmarks (Version 5.1.2)

System: vir: GNU/Linux
OS: GNU/Linux -- 2.6.18-238.5.1.el5.028stab085.3 -- #1 SMP Mon Mar 21 20:05:12 MSK 2011
Machine: i686 (unknown)
Language: en_US.utf8 (charmap="UTF-8", collate="UTF-8")
CPU 0: AMD Phenom(tm) II X6 1055T Processor (5625.3 bogomips)
Hyper-Threading, x86-64, MMX, AMD MMX, Physical Address Ext, SYSENTER/SYSEXIT, AMD virtualization, SYSCALL/SYSRET
CPU 1: AMD Phenom(tm) II X6 1055T Processor (5625.2 bogomips)
Hyper-Threading, x86-64, MMX, AMD MMX, Physical Address Ext, SYSENTER/SYSEXIT, AMD virtualization, SYSCALL/SYSRET
CPU 2: AMD Phenom(tm) II X6 1055T Processor (5625.4 bogomips)
Hyper-Threading, x86-64, MMX, AMD MMX, Physical Address Ext, SYSENTER/SYSEXIT, AMD virtualization, SYSCALL/SYSRET
CPU 3: AMD Phenom(tm) II X6 1055T Processor (5624.9 bogomips)
Hyper-Threading, x86-64, MMX, AMD MMX, Physical Address Ext, SYSENTER/SYSEXIT, AMD virtualization, SYSCALL/SYSRET
CPU 4: AMD Phenom(tm) II X6 1055T Processor (5625.4 bogomips)
Hyper-Threading, x86-64, MMX, AMD MMX, Physical Address Ext, SYSENTER/SYSEXIT, AMD virtualization, SYSCALL/SYSRET
CPU 5: AMD Phenom(tm) II X6 1055T Processor (5625.4 bogomips)
Hyper-Threading, x86-64, MMX, AMD MMX, Physical Address Ext, SYSENTER/SYSEXIT, AMD virtualization, SYSCALL/SYSRET
05:42:12 up 24 min,  1 user,  load average: 0.16, 0.13, 0.05; runlevel 2

------------------------------------------------------------------------
Benchmark Run: Wed Jul 06 2011 05:42:12 - 06:14:03
6 CPUs in system; running 1 parallel copy of tests

Dhrystone 2 using register variables       12170808.3 lps   (10.0 s, 7 samples)
Double-Precision Whetstone                     2117.1 MWIPS (10.0 s, 7 samples)
Execl Throughput                               3981.7 lps   (29.9 s, 2 samples)
File Copy 1024 bufsize 2000 maxblocks        535009.5 KBps  (30.0 s, 2 samples)
File Copy 256 bufsize 500 maxblocks          185842.7 KBps  (30.0 s, 2 samples)
File Copy 4096 bufsize 8000 maxblocks        880930.4 KBps  (30.0 s, 2 samples)
Pipe Throughput                             1322761.8 lps   (10.0 s, 7 samples)
Pipe-based Context Switching                 351997.5 lps   (10.0 s, 7 samples)
Process Creation                              11237.1 lps   (30.0 s, 2 samples)
Shell Scripts (1 concurrent)                   3096.7 lpm   (60.6 s, 2 samples)
Shell Scripts (8 concurrent)                    589.2 lpm   (60.0 s, 2 samples)
System Call Overhead                        1261776.4 lps   (10.0 s, 7 samples)

System Benchmarks Index Values               BASELINE       RESULT    INDEX
Dhrystone 2 using register variables         116700.0   12170808.3   1042.9
Double-Precision Whetstone                       55.0       2117.1    384.9
Execl Throughput                                 43.0       3981.7    926.0
File Copy 1024 bufsize 2000 maxblocks          3960.0     535009.5   1351.0
File Copy 256 bufsize 500 maxblocks            1655.0     185842.7   1122.9
File Copy 4096 bufsize 8000 maxblocks          5800.0     880930.4   1518.8
Pipe Throughput                               12440.0    1322761.8   1063.3
Pipe-based Context Switching                   4000.0     351997.5    880.0
Process Creation                                126.0      11237.1    891.8
Shell Scripts (1 concurrent)                     42.4       3096.7    730.4
Shell Scripts (8 concurrent)                      6.0        589.2    982.0
System Call Overhead                          15000.0    1261776.4    841.2
========
System Benchmarks Index Score                                         932.3

------------------------------------------------------------------------
Benchmark Run: Wed Jul 06 2011 06:14:03 - 06:50:37
6 CPUs in system; running 6 parallel copies of tests

Dhrystone 2 using register variables       23946197.4 lps   (10.0 s, 7 samples)
Double-Precision Whetstone                    12279.7 MWIPS (10.0 s, 7 samples)
Execl Throughput                               5581.2 lps   (29.3 s, 2 samples)
File Copy 1024 bufsize 2000 maxblocks        551808.6 KBps  (30.0 s, 2 samples)
File Copy 256 bufsize 500 maxblocks          186605.9 KBps  (30.0 s, 2 samples)
File Copy 4096 bufsize 8000 maxblocks        898964.0 KBps  (30.0 s, 2 samples)
Pipe Throughput                             2311879.1 lps   (10.0 s, 7 samples)
Pipe-based Context Switching                 625527.7 lps   (10.0 s, 7 samples)
Process Creation                              15756.5 lps   (30.0 s, 2 samples)
Shell Scripts (1 concurrent)                   6631.7 lpm   (60.2 s, 2 samples)
Shell Scripts (8 concurrent)                    861.8 lpm   (61.1 s, 2 samples)
System Call Overhead                        1640283.5 lps   (10.0 s, 7 samples)

System Benchmarks Index Values               BASELINE       RESULT    INDEX
Dhrystone 2 using register variables         116700.0   23946197.4   2051.9
Double-Precision Whetstone                       55.0      12279.7   2232.7
Execl Throughput                                 43.0       5581.2   1298.0
File Copy 1024 bufsize 2000 maxblocks          3960.0     551808.6   1393.5
File Copy 256 bufsize 500 maxblocks            1655.0     186605.9   1127.5
File Copy 4096 bufsize 8000 maxblocks          5800.0     898964.0   1549.9
Pipe Throughput                               12440.0    2311879.1   1858.4
Pipe-based Context Switching                   4000.0     625527.7   1563.8
Process Creation                                126.0      15756.5   1250.5
Shell Scripts (1 concurrent)                     42.4       6631.7   1564.1
Shell Scripts (8 concurrent)                      6.0        861.8   1436.3
System Call Overhead                          15000.0    1640283.5   1093.5
========
System Benchmarks Index Score                                        1499.6

root@vir:~/unixbench-5.1.2# dd if=/dev/zero of=test bs=64k count=16k conv=fdatasync
16384+0 records in
16384+0 records out
1073741824 bytes (1.1 GB) copied, 52.5303 s, 20.4 MB/s
root@vir:~/unixbench-5.1.2# cd ..
root@vir:~# wget http://208.87.242.2/download100.zip
--2011-07-06 06:56:18--  http://208.87.242.2/download100.zip
Connecting to 208.87.242.2:80... connected.
HTTP request sent, awaiting response... 200 OK
Length: 104857600 (100M) [application/zip]
Saving to: `download100.zip'

100%[===================================================================================================================>] 104,857,600 1.82M/s   in 57s

2011-07-06 06:57:18 (1.74 MB/s) - `download100.zip' saved [104857600/104857600]

root@vir:~# dd if=/dev/zero of=test bs=64k count=16k conv=fdatasync
16384+0 records in
16384+0 records out
1073741824 bytes (1.1 GB) copied, 47.6949 s, 22.5 MB/s