花了1.87美元买了一个月的frontrangehosting的KVM，配置：256M内存， 5G SSD Cached硬盘，500G月流量一个IPV4，托管在FDC家的丹佛数据中心，线路你懂的。下面简单的发布下测试结果：

root@debian:~# free -m
total used free shared buffers cached
Mem: 248 65 183 0 2 32
-/+ buffers/cache: 30 218
Swap: 258 0 258

root@debian:~# df -h
Filesystem Size Used Avail Use% Mounted on
/dev/vda1 4.7G 2.1G 2.4G 47% /
tmpfs 125M 0 125M 0% /lib/init/rw
udev 121M 112K 120M 1% /dev
tmpfs 125M 0 125M 0% /dev/shm

root@debian:~# vmstat
procs -----------memory---------- ---swap-- -----io---- -system-- ----cpu----
r b swpd free buff cache si so bi bo in cs us sy id wa
0 0 0 187412 2268 33776 0 0 43 1 26 18 0 1 99 0

root@debian:~# cat /proc/cpuinfo
processor : 0
vendor_id : GenuineIntel
cpu family : 6
model : 13
model name : QEMU Virtual CPU version (cpu64-rhel6)
stepping : 3
cpu MHz : 1999.999
cache size : 4096 KB
physical id : 0
siblings : 4
core id : 0
cpu cores : 4
apicid : 0
initial apicid : 0
fdiv_bug : no
hlt_bug : no
f00f_bug : no
coma_bug : no
fpu : yes
fpu_exception : yes
cpuid level : 4
wp : yes
flags : fpu de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pse36 clflush mmx fxsr sse sse2 ht syscall nx lm pni cx16 hypervisor lahf_lm
bogomips : 3999.99
clflush size : 64
cache_alignment : 64
address sizes : 46 bits physical, 48 bits virtual
power management:

processor : 1
vendor_id : GenuineIntel
cpu family : 6
model : 13
model name : QEMU Virtual CPU version (cpu64-rhel6)
stepping : 3
cpu MHz : 1999.999
cache size : 4096 KB
physical id : 0
siblings : 4
core id : 1
cpu cores : 4
apicid : 1
initial apicid : 1
fdiv_bug : no
hlt_bug : no
f00f_bug : no
coma_bug : no
fpu : yes
fpu_exception : yes
cpuid level : 4
wp : yes
flags : fpu de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pse36 clflush mmx fxsr sse sse2 ht syscall nx lm pni cx16 hypervisor lahf_lm
bogomips : 3999.99
clflush size : 64
cache_alignment : 64
address sizes : 46 bits physical, 48 bits virtual
power management:

processor : 2
vendor_id : GenuineIntel
cpu family : 6
model : 13
model name : QEMU Virtual CPU version (cpu64-rhel6)
stepping : 3
cpu MHz : 1999.999
cache size : 4096 KB
physical id : 0
siblings : 4
core id : 2
cpu cores : 4
apicid : 2
initial apicid : 2
fdiv_bug : no
hlt_bug : no
f00f_bug : no
coma_bug : no
fpu : yes
fpu_exception : yes
cpuid level : 4
wp : yes
flags : fpu de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pse36 clflush mmx fxsr sse sse2 ht syscall nx lm pni cx16 hypervisor lahf_lm
bogomips : 3999.99
clflush size : 64
cache_alignment : 64
address sizes : 46 bits physical, 48 bits virtual
power management:

processor : 3
vendor_id : GenuineIntel
cpu family : 6
model : 13
model name : QEMU Virtual CPU version (cpu64-rhel6)
stepping : 3
cpu MHz : 1999.999
cache size : 4096 KB
physical id : 0
siblings : 4
core id : 3
cpu cores : 4
apicid : 3
initial apicid : 3
fdiv_bug : no
hlt_bug : no
f00f_bug : no
coma_bug : no
fpu : yes
fpu_exception : yes
cpuid level : 4
wp : yes
flags : fpu de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pse36 clflush mmx fxsr sse sse2 ht syscall nx lm pni cx16 hypervisor lahf_lm
bogomips : 3999.99
clflush size : 64
cache_alignment : 64
address sizes : 46 bits physical, 48 bits virtual
power management:

root@debian:~# 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, 3.48294 s, 308 MB/s

root@debian:~# wget cachefly.cachefly.net/100mb.test
--2012-12-09 01:44:30-- http://cachefly.cachefly.net/100mb.test
Resolving cachefly.cachefly.net... 205.234.175.175
Connecting to cachefly.cachefly.net|205.234.175.175|:80... connected.
HTTP request sent, awaiting response... 200 OK
Length: 104857600 (100M) [application/octet-stream]
Saving to: “100mb.testâ€

100%[======================================>] 104,857,600 21.7M/s in 4.8s

2012-12-09 01:44:35 (20.8 MB/s) - “100mb.testâ€
Download speed from Linode, Atlanta GA: 7.25MB/s
Download speed from Linode, Dallas, TX: 18.2MB/s
Download speed from Linode, Tokyo, JP: 3.15MB/s
Download speed from Linode, London, UK:
Download speed from Leaseweb, Haarlem, NL: 3.35MB/s
Download speed from Softlayer, Singapore: 2.31MB/s
Download speed from Softlayer, Seattle, WA: 7.94MB/s
Download speed from Softlayer, San Jose, CA: 10.3MB/s
Download speed from Softlayer, Washington, DC: 7.79MB/s

UB整体跑分：

========================================================================
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: QEMU Virtual CPU version (cpu64-rhel6) (4000.0 bogomips)
Hyper-Threading, x86-64, MMX, Physical Address Ext, SYSCALL/SYSRET
CPU 1: QEMU Virtual CPU version (cpu64-rhel6) (4000.0 bogomips)
Hyper-Threading, x86-64, MMX, Physical Address Ext, SYSCALL/SYSRET
CPU 2: QEMU Virtual CPU version (cpu64-rhel6) (4000.0 bogomips)
Hyper-Threading, x86-64, MMX, Physical Address Ext, SYSCALL/SYSRET
CPU 3: QEMU Virtual CPU version (cpu64-rhel6) (4000.0 bogomips)
Hyper-Threading, x86-64, MMX, Physical Address Ext, SYSCALL/SYSRET
01:46:25 up 7 min, 1 user, load average: 0.16, 0.06, 0.02; runlevel 2

------------------------------------------------------------------------
Benchmark Run: Sun Dec 09 2012 01:46:25 - 02:14:23
4 CPUs in system; running 1 parallel copy of tests

Dhrystone 2 using register variables 9487158.9 lps (10.0 s, 7 samples)
Double-Precision Whetstone 1845.2 MWIPS (10.1 s, 7 samples)
Execl Throughput 1764.4 lps (29.9 s, 2 samples)
File Copy 1024 bufsize 2000 maxblocks 359889.4 KBps (30.0 s, 2 samples)
File Copy 256 bufsize 500 maxblocks 98835.5 KBps (30.0 s, 2 samples)
File Copy 4096 bufsize 8000 maxblocks 940955.6 KBps (30.0 s, 2 samples)
Pipe Throughput 713414.0 lps (10.0 s, 7 samples)
Pipe-based Context Switching 150489.9 lps (10.0 s, 7 samples)
Process Creation 4195.9 lps (30.0 s, 2 samples)
Shell Scripts (1 concurrent) 3163.8 lpm (60.0 s, 2 samples)
Shell Scripts (8 concurrent) 1044.7 lpm (60.0 s, 2 samples)
System Call Overhead 652366.2 lps (10.0 s, 7 samples)

System Benchmarks Index Values BASELINE RESULT INDEX
Dhrystone 2 using register variables 116700.0 9487158.9 813.0
Double-Precision Whetstone 55.0 1845.2 335.5
Execl Throughput 43.0 1764.4 410.3
File Copy 1024 bufsize 2000 maxblocks 3960.0 359889.4 908.8
File Copy 256 bufsize 500 maxblocks 1655.0 98835.5 597.2
File Copy 4096 bufsize 8000 maxblocks 5800.0 940955.6 1622.3
Pipe Throughput 12440.0 713414.0 573.5
Pipe-based Context Switching 4000.0 150489.9 376.2
Process Creation 126.0 4195.9 333.0
Shell Scripts (1 concurrent) 42.4 3163.8 746.2
Shell Scripts (8 concurrent) 6.0 1044.7 1741.1
System Call Overhead 15000.0 652366.2 434.9
========
System Benchmarks Index Score 631.2

------------------------------------------------------------------------
Benchmark Run: Sun Dec 09 2012 02:14:23 - 02:42:29
4 CPUs in system; running 4 parallel copies of tests

Dhrystone 2 using register variables 34706148.8 lps (10.0 s, 7 samples)
Double-Precision Whetstone 7080.3 MWIPS (9.9 s, 7 samples)
Execl Throughput 9271.3 lps (29.9 s, 2 samples)
File Copy 1024 bufsize 2000 maxblocks 332902.7 KBps (30.0 s, 2 samples)
File Copy 256 bufsize 500 maxblocks 89508.7 KBps (30.0 s, 2 samples)
File Copy 4096 bufsize 8000 maxblocks 744833.2 KBps (30.0 s, 2 samples)
Pipe Throughput 2536075.4 lps (10.0 s, 7 samples)
Pipe-based Context Switching 572360.2 lps (10.0 s, 7 samples)
Process Creation 22295.3 lps (30.0 s, 2 samples)
Shell Scripts (1 concurrent) 12115.5 lpm (60.0 s, 2 samples)
Shell Scripts (8 concurrent) 1729.5 lpm (60.0 s, 2 samples)
System Call Overhead 2082694.0 lps (10.0 s, 7 samples)

System Benchmarks Index Values BASELINE RESULT INDEX
Dhrystone 2 using register variables 116700.0 34706148.8 2974.0
Double-Precision Whetstone 55.0 7080.3 1287.3
Execl Throughput 43.0 9271.3 2156.1
File Copy 1024 bufsize 2000 maxblocks 3960.0 332902.7 840.7
File Copy 256 bufsize 500 maxblocks 1655.0 89508.7 540.8
File Copy 4096 bufsize 8000 maxblocks 5800.0 744833.2 1284.2
Pipe Throughput 12440.0 2536075.4 2038.6
Pipe-based Context Switching 4000.0 572360.2 1430.9
Process Creation 126.0 22295.3 1769.5
Shell Scripts (1 concurrent) 42.4 12115.5 2857.4
Shell Scripts (8 concurrent) 6.0 1729.5 2882.5
System Call Overhead 15000.0 2082694.0 1388.5
========
System Benchmarks Index Score 1601.4

======= Script description and score comparison: =======