vultr开的是2.5 USD的,do开的是5usd的,看性能:

vultr的:

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

   System: vultr.guest: GNU/Linux
   OS: GNU/Linux -- 3.16.0-5-amd64 -- #1 SMP Debian 3.16.51-3+deb8u1 (2018-01-08)
   Machine: x86_64 (unknown)
   Language: en_US.utf8 (charmap="UTF-8", collate="UTF-8")
   CPU 0: Virtual CPU a7769a6388d5 (4800.0 bogomips)
          x86-64, MMX, Physical Address Ext, SYSENTER/SYSEXIT, SYSCALL/SYSRET
   06:06:42 up 10 min,  1 user,  load average: 0.07, 0.04, 0.00; runlevel 5

------------------------------------------------------------------------
Benchmark Run: Sun Mar 11 2018 06:06:42 - 06:34:46
1 CPU in system; running 1 parallel copy of tests

Dhrystone 2 using register variables       28578764.4 lps   (10.0 s, 7 samples)
Double-Precision Whetstone                     4475.2 MWIPS (9.8 s, 7 samples)
Execl Throughput                               4562.8 lps   (30.0 s, 2 samples)
File Copy 1024 bufsize 2000 maxblocks        610064.8 KBps  (30.0 s, 2 samples)
File Copy 256 bufsize 500 maxblocks          188084.3 KBps  (30.0 s, 2 samples)
File Copy 4096 bufsize 8000 maxblocks       1442821.8 KBps  (30.0 s, 2 samples)
Pipe Throughput                             1148112.5 lps   (10.0 s, 7 samples)
Pipe-based Context Switching                 181614.1 lps   (10.0 s, 7 samples)
Process Creation                              10661.7 lps   (30.0 s, 2 samples)
Shell Scripts (1 concurrent)                   7318.1 lpm   (60.0 s, 2 samples)
Shell Scripts (8 concurrent)                    917.2 lpm   (60.1 s, 2 samples)
System Call Overhead                        1041017.3 lps   (10.0 s, 7 samples)

System Benchmarks Index Values               BASELINE       RESULT    INDEX
Dhrystone 2 using register variables         116700.0   28578764.4   2448.9
Double-Precision Whetstone                       55.0       4475.2    813.7
Execl Throughput                                 43.0       4562.8   1061.1
File Copy 1024 bufsize 2000 maxblocks          3960.0     610064.8   1540.6
File Copy 256 bufsize 500 maxblocks            1655.0     188084.3   1136.5
File Copy 4096 bufsize 8000 maxblocks          5800.0    1442821.8   2487.6
Pipe Throughput                               12440.0    1148112.5    922.9
Pipe-based Context Switching                   4000.0     181614.1    454.0
Process Creation                                126.0      10661.7    846.2
Shell Scripts (1 concurrent)                     42.4       7318.1   1726.0
Shell Scripts (8 concurrent)                      6.0        917.2   1528.6
System Call Overhead                          15000.0    1041017.3    694.0
                                                                   ========
System Benchmarks Index Score                                        1160.7

 

do的:

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

   System: eu-vip-01: GNU/Linux
   OS: GNU/Linux -- 3.16.0-5-amd64 -- #1 SMP Debian 3.16.51-3+deb8u1 (2018-01-08)
   Machine: x86_64 (unknown)
   Language: en_US.utf8 (charmap="UTF-8", collate="UTF-8")
   CPU 0: Intel(R) Xeon(R) CPU E5-2650 v4 @ 2.20GHz (4400.0 bogomips)
          x86-64, MMX, Physical Address Ext, SYSENTER/SYSEXIT, SYSCALL/SYSRET
   06:07:25 up 6 days, 13:05,  1 user,  load average: 0.48, 0.63, 0.42; runlevel 5

------------------------------------------------------------------------
Benchmark Run: Sun Mar 11 2018 06:07:25 - 06:35:29
1 CPU in system; running 1 parallel copy of tests

Dhrystone 2 using register variables       24799592.7 lps   (10.0 s, 7 samples)
Double-Precision Whetstone                     4114.9 MWIPS (9.6 s, 7 samples)
Execl Throughput                               3665.1 lps   (29.9 s, 2 samples)
File Copy 1024 bufsize 2000 maxblocks        422579.8 KBps  (30.0 s, 2 samples)
File Copy 256 bufsize 500 maxblocks          136390.1 KBps  (30.0 s, 2 samples)
File Copy 4096 bufsize 8000 maxblocks        933043.9 KBps  (30.0 s, 2 samples)
Pipe Throughput                              931056.4 lps   (10.0 s, 7 samples)
Pipe-based Context Switching                 148095.7 lps   (10.0 s, 7 samples)
Process Creation                               8991.0 lps   (30.0 s, 2 samples)
Shell Scripts (1 concurrent)                   5063.0 lpm   (60.0 s, 2 samples)
Shell Scripts (8 concurrent)                    640.1 lpm   (60.0 s, 2 samples)
System Call Overhead                         926397.2 lps   (10.0 s, 7 samples)

System Benchmarks Index Values               BASELINE       RESULT    INDEX
Dhrystone 2 using register variables         116700.0   24799592.7   2125.1
Double-Precision Whetstone                       55.0       4114.9    748.2
Execl Throughput                                 43.0       3665.1    852.3
File Copy 1024 bufsize 2000 maxblocks          3960.0     422579.8   1067.1
File Copy 256 bufsize 500 maxblocks            1655.0     136390.1    824.1
File Copy 4096 bufsize 8000 maxblocks          5800.0     933043.9   1608.7
Pipe Throughput                               12440.0     931056.4    748.4
Pipe-based Context Switching                   4000.0     148095.7    370.2
Process Creation                                126.0       8991.0    713.6
Shell Scripts (1 concurrent)                     42.4       5063.0   1194.1
Shell Scripts (8 concurrent)                      6.0        640.1   1066.8
System Call Overhead                          15000.0     926397.2    617.6
                                                                   ========
System Benchmarks Index Score                                         904.1

 

可以很容易的看出,单就cpu性能而言,vultr的性能比do高出28%多。

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