buyvm SJ 512M内存的KVM简单测评

10美元一个月的KVM，凌晨两点半开始跑分，整体来说不是很理想，也可能是这个时候是老美的高峰期吧可能折腾的人比较多，2核跑起来最后1200来分，和prometeus 6.3刀一个月的KVM的2800分享比真是差距太大了(查看prometeus跑分)。

BYTE UNIX Benchmarks (Version 5.1.2)
System: debian: GNU/Linux
OS: GNU/Linux — 2.6.32-5-686 — #1 SMP Sun Sep 23 09:49:36 UTC 2012
Machine: i686 (unknown)
Language: en_US.utf8 (charmap=”UTF-8″, collate=”UTF-8″)
CPU 0: Intel(R) Xeon(R) CPU E31230 @ 3.20GHz (6385.5 bogomips)
x86-64, MMX, Physical Address Ext, SYSENTER/SYSEXIT, SYSCALL/SYSRET
CPU 1: Intel(R) Xeon(R) CPU E31230 @ 3.20GHz (6385.5 bogomips)
x86-64, MMX, Physical Address Ext, SYSENTER/SYSEXIT, SYSCALL/SYSRET
02:01:58 up 7 min,  1 user,  load average: 0.15, 0.08, 0.02; runlevel 2

————————————————————————
Benchmark Run: Thu Oct 18 2012 02:01:58 – 02:30:04
2 CPUs in system; running 1 parallel copy of tests

Dhrystone 2 using register variables       13313935.3 lps   (10.0 s, 7 samples)
Double-Precision Whetstone                     2691.0 MWIPS (9.4 s, 7 samples)
Execl Throughput                                815.8 lps   (29.5 s, 2 samples)
File Copy 1024 bufsize 2000 maxblocks        597397.6 KBps  (30.0 s, 2 samples)
File Copy 256 bufsize 500 maxblocks          161508.3 KBps  (30.0 s, 2 samples)
File Copy 4096 bufsize 8000 maxblocks       1502941.3 KBps  (30.0 s, 2 samples)
Pipe Throughput                             1365167.2 lps   (10.0 s, 7 samples)
Pipe-based Context Switching                 223592.6 lps   (10.0 s, 7 samples)
Process Creation                               1565.2 lps   (30.0 s, 2 samples)
Shell Scripts (1 concurrent)                   2255.9 lpm   (60.0 s, 2 samples)
Shell Scripts (8 concurrent)                    530.0 lpm   (60.3 s, 2 samples)
System Call Overhead                        2716325.8 lps   (10.0 s, 7 samples)

System Benchmarks Index Values               BASELINE       RESULT    INDEX
Dhrystone 2 using register variables         116700.0   13313935.3   1140.9
Double-Precision Whetstone                       55.0       2691.0    489.3
Execl Throughput                                 43.0        815.8    189.7
File Copy 1024 bufsize 2000 maxblocks          3960.0     597397.6   1508.6
File Copy 256 bufsize 500 maxblocks            1655.0     161508.3    975.9
File Copy 4096 bufsize 8000 maxblocks          5800.0    1502941.3   2591.3
Pipe Throughput                               12440.0    1365167.2   1097.4
Pipe-based Context Switching                   4000.0     223592.6    559.0
Process Creation                                126.0       1565.2    124.2
Shell Scripts (1 concurrent)                     42.4       2255.9    532.0
Shell Scripts (8 concurrent)                      6.0        530.0    883.4
System Call Overhead                          15000.0    2716325.8   1810.9
========
System Benchmarks Index Score                                         738.2

————————————————————————
Benchmark Run: Thu Oct 18 2012 02:30:04 – 02:58:07
2 CPUs in system; running 2 parallel copies of tests

Dhrystone 2 using register variables       19395408.1 lps   (10.0 s, 7 samples)
Double-Precision Whetstone                     4587.0 MWIPS (9.4 s, 7 samples)
Execl Throughput                               3603.2 lps   (29.9 s, 2 samples)
File Copy 1024 bufsize 2000 maxblocks        434223.9 KBps  (30.0 s, 2 samples)
File Copy 256 bufsize 500 maxblocks          111960.8 KBps  (30.0 s, 2 samples)
File Copy 4096 bufsize 8000 maxblocks       1411677.4 KBps  (30.0 s, 2 samples)
Pipe Throughput                             2150350.8 lps   (10.0 s, 7 samples)
Pipe-based Context Switching                 362147.4 lps   (10.0 s, 7 samples)
Process Creation                               7910.2 lps   (30.0 s, 2 samples)
Shell Scripts (1 concurrent)                   5290.2 lpm   (60.0 s, 2 samples)
Shell Scripts (8 concurrent)                    941.5 lpm   (60.0 s, 2 samples)
System Call Overhead                        3561974.4 lps   (10.0 s, 7 samples)

System Benchmarks Index Values               BASELINE       RESULT    INDEX
Dhrystone 2 using register variables         116700.0   19395408.1   1662.0
Double-Precision Whetstone                       55.0       4587.0    834.0
Execl Throughput                                 43.0       3603.2    838.0
File Copy 1024 bufsize 2000 maxblocks          3960.0     434223.9   1096.5
File Copy 256 bufsize 500 maxblocks            1655.0     111960.8    676.5
File Copy 4096 bufsize 8000 maxblocks          5800.0    1411677.4   2433.9
Pipe Throughput                               12440.0    2150350.8   1728.6
Pipe-based Context Switching                   4000.0     362147.4    905.4
Process Creation                                126.0       7910.2    627.8
Shell Scripts (1 concurrent)                     42.4       5290.2   1247.7
Shell Scripts (8 concurrent)                      6.0        941.5   1569.2
System Call Overhead                          15000.0    3561974.4   2374.6
========
System Benchmarks Index Score                                        1207.2

看看DD和下载：

chinaz的ping晚上可能国内折腾的少了还是挺不错的：