I recented started looking into Amazon EC2 as a potential replacement for my GoDaddy VPS servers, specifically for serving basic PHP-driven web sites. I used the standard ./Run command for UnixBench to obtain the results. The GoDaddy VPS seems to deliver benchmark results closer to the dedicated server numbers I’ve seen, so I’m a little skeptical. Also, remember that these tests do not consider network or database performance. The results merely show raw performance metrics for general system functions, the filesystem, and processing. The pricing for the AWS m1.small on-demand instance is close to that of the m1.medium high utilization reserved instance, and GoDaddy’s Value VPS.
Amazon EC2 (m1.small)
1 CPU; 1 parallel process
Test
Score
Unit
Time
Iters.
Baseline
Index
Dhrystone 2 using register variables 10319739.8 lps 10.0 s 7 116700.0 884.3
Double-Precision Whetstone 598.2 MWIPS 10.0 s 7 55.0 108.8
Execl Throughput 503.4 lps 29.9 s 2 43.0 117.1
File Copy 1024 bufsize 2000 maxblocks 99004.0 KBps 30.0 s 2 3960.0 250.0
File Copy 256 bufsize 500 maxblocks 26650.5 KBps 30.0 s 2 1655.0 161.0
File Copy 4096 bufsize 8000 maxblocks 320858.3 KBps 30.0 s 2 5800.0 553.2
Pipe Throughput 136761.9 lps 10.0 s 7 12440.0 109.9
Pipe-based Context Switching 27738.9 lps 10.0 s 7 4000.0 69.3
Process Creation 995.9 lps 30.0 s 2 126.0 79.0
Shell Scripts (1 concurrent) 798.2 lpm 60.0 s 2 42.4 188.2
Shell Scripts (8 concurrent) 107.8 lpm 60.1 s 2 6.0 179.6
System Call Overhead 114607.8 lps 10.0 s 7 15000.0 76.4
System Benchmarks Index Score: 164.4
Amazon EC2 (m1.medium)
1 CPU; 1 parallel process
Test
Score
Unit
Time
Iters.
Baseline
Index
Dhrystone 2 using register variables 20679983.9 lps 10.0 s 7 116700.0 1772.1
Double-Precision Whetstone 1203.0 MWIPS 10.0 s 7 55.0 218.7
Execl Throughput 1007.9 lps 29.8 s 2 43.0 234.4
File Copy 1024 bufsize 2000 maxblocks 200955.9 KBps 30.0 s 2 3960.0 507.5
File Copy 256 bufsize 500 maxblocks 52142.0 KBps 30.0 s 2 1655.0 315.1
File Copy 4096 bufsize 8000 maxblocks 645663.0 KBps 30.0 s 2 5800.0 1113.2
Pipe Throughput 271624.2 lps 10.0 s 7 12440.0 218.3
Pipe-based Context Switching 49830.7 lps 10.0 s 7 4000.0 124.6
Process Creation 2039.6 lps 30.0 s 2 126.0 161.9
Shell Scripts (1 concurrent) 1635.5 lpm 60.0 s 2 42.4 385.7
Shell Scripts (8 concurrent) 221.6 lpm 60.2 s 2 6.0 369.4
System Call Overhead 221863.8 lps 10.0 s 7 15000.0 147.9
System Benchmarks Index Score: 327.1
GoDaddy VPS (Value)
8 CPUs; 1 parallel process
Test
Score
Unit
Time
Iters.
Baseline
Index
Dhrystone 2 using register variables 9835137.0 lps 10.0 s 7 116700.0 842.8
Double-Precision Whetstone 1950.9 MWIPS 10.0 s 7 55.0 354.7
Execl Throughput 2848.4 lps 29.5 s 2 43.0 662.4
File Copy 1024 bufsize 2000 maxblocks 349825.6 KBps 30.0 s 2 3960.0 883.4
File Copy 256 bufsize 500 maxblocks 110633.5 KBps 30.0 s 2 1655.0 668.5
File Copy 4096 bufsize 8000 maxblocks 826791.7 KBps 30.0 s 2 5800.0 1425.5
Pipe Throughput 729108.2 lps 10.0 s 7 12440.0 586.1
Pipe-based Context Switching 139871.3 lps 10.0 s 7 4000.0 349.7
Process Creation 6944.0 lps 30.0 s 2 126.0 551.1
Shell Scripts (1 concurrent) 2804.8 lpm 60.0 s 2 42.4 661.5
Shell Scripts (8 concurrent) 1118.6 lpm 60.0 s 2 6.0 1864.4
System Call Overhead 574243.2 lps 10.0 s 7 15000.0 382.8
System Benchmarks Index Score: 674.6
8 CPUs; 8 parallel processes
Test
Score
Unit
Time
Iters.
Baseline
Index
Dhrystone 2 using register variables 64631491.4 lps 10.0 s 7 116700.0 5538.3
Double-Precision Whetstone 15359.3 MWIPS 10.2 s 7 55.0 2792.6
Execl Throughput 13342.2 lps 29.5 s 2 43.0 3102.8
File Copy 1024 bufsize 2000 maxblocks 299406.7 KBps 30.0 s 2 3960.0 756.1
File Copy 256 bufsize 500 maxblocks 91395.5 KBps 30.0 s 2 1655.0 552.2
File Copy 4096 bufsize 8000 maxblocks 720403.8 KBps 30.0 s 2 5800.0 1242.1
Pipe Throughput 4444252.9 lps 10.0 s 7 12440.0 3572.6
Pipe-based Context Switching 1509897.0 lps 10.0 s 7 4000.0 3774.7
Process Creation 32437.4 lps 30.0 s 2 126.0 2574.4
Shell Scripts (1 concurrent) 13964.5 lpm 60.0 s 2 42.4 3293.5
Shell Scripts (8 concurrent) 1931.7 lpm 60.3 s 2 6.0 3219.5
System Call Overhead 2955368.4 lps 10.0 s 7 15000.0 1970.2
System Benchmarks Index Score: 2263.1
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