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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