A systematic Characterization of Application Sensitivity to Network Performance

133
Testbed Configuration
LG #
LG Type
Network
Target File Systems
Notes
1
LG1
N1
F1..F15
N/A
2
LG1
N1
F1..F15
N/A
3
LG1
N1
F1..F15
N/A
Table A.8: SPECsfs97 Disclosure: RAID Testbed Configuration

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134
Appendix B
Performance Data
This appendix documents the raw run-times used in the slowdown graphs. All run-times
are expressed in seconds. For the Split-C/AM programs an NPB, all results are on 32 nodes unless
otherwise specified.

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135
"
Radix
EM3D(r)
EM3D(w)
Sample
Barnes
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Mur
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Radb
$
s
2.9
13.7
229.7
88.6
24.6
77.8
23.5
67.6
2.3
127.2
7
3.9
16.1
257.3
108.9
30
81.5
25
69.1
2.3
126.2
7.3
4.9
18.4
278.2
128.6
34.4
86.2
25.8
70.2
2.3
129.6
7.4
6.9
22.9
323.9
167.4
43.7
-
25.6
72.6
2.4
126.3
7.3
7.9
25.1
348.2
186.6
48.2
98.2
29.7
73.5
2.4
127
7.3
12.9
36.6
466.1
283.2
71.6
756.3
35.3
79.8
2.5
130.9
7.3
22.9
60.3
709.3
478.4
118
-
93.1
2.8
126.6
7.4
52.9
129.6
1439.8
1061.4
256.9
-
86.3
131.5
3.5
128.5
8
102.9
251
3047.4
2029.1
493.3
-
148.7
195.7
4.7
127.8
9.1
Table B.1: Split-C/AM Run Times varying Overhead on 16 nodes
This table shows the run time, in seconds, of the Split-C/AM applications while varying the overhead
on 16 nodes. This is the only result for these applications not run on 32 nodes.
"
Radix
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s
2.9
7.8
114
38
13.2
43.2
17.9
35.3
1.2
56.9
3.7
3.9
10.5
138.7
48.1
16.1
50.1
19
37.1
1.2
56.7
3.8
4.9
13.2
161.6
58.1
18.7
-
19.6
37.7
1.2
61.2
3.8
6.9
18.7
208.8
77.4
23.8
-
22
41.8
1.2
57.9
3.8
7.9
21.5
232.9
87.4
26.5
-
20.8
41.9
1.2
58.3
3.8
12.9
36.3
354.4
138.5
39.3
-
28.2
46.2
1.3
58.1
3.9
22.9
68.9
600.1
236.2
65.2
-
39
51.2
1.3
58.3
4.1
52.9
198.2
1332.5
535.9
142.7
-
69.7
72.6
1.6
61.7
4.8
102.9
443.2
2551.7
1027.8
272.1
-
114
107.8
2.1
71.1
6.2
Table B.2: Split-C/AM Run Times varying Overhead on 32 nodes
This table shows the run time, in seconds, of the Split-C/AM applications while varying the overhead
on 32 nodes.
%
Radix
EM3D(r)
EM3D(w)
Sample
Barnes
P-ray
Mur
#
Connect
NowSort
Radb
$
s
5.8
7.8
114
38
13.2
43.2
17.9
35.3
1.2
56.9
3.7
8.3
10.2
119
46.1
14.8
44.1
18.1
37.4
1.2
57.9
3.8
10.8
13
129.7
56.5
17.5
50.2
17.8
36.1
1.2
57.6
3.8
15.8
19.2
164.7
78.5
24.2
55.3
17.9
36.2
1.2
60.9
3.8
30.8
38.1
289.3
150.3
42.9
61.6
19.1
38.4
1.3
57.3
3.9
55.8
69.9
523
273.1
75.1
99.1
23.2
37.5
1.5
57.2
4
80.8
101.9
756.9
394
107.5
157.3
29
39.3
1.7
56.9
4.1
105.8
133.8
993.1
515.6
139.7
207.9
35.5
39.9
1.9
57.4
4.3
Table B.3: Split-C/AM Run Times varying gap
This table shows the run time, in seconds, of the Split-C/AM applications while varying the gap.

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136
&
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(
s
5
7.8
114
38
13.2
43.2
17.9
35.3
1.2
56.9
3.7
7.5
8.5
144
39.4
13.3
50.7
19
39.6
1.2
57.6
3.8
10
8.5
159.8
39.7
13.3
48.6
20.1
36.9
1.2
56.5
3.8
15
8.5
198.7
41.2
13.3
57.6
22.5
36.4
1.2
57.1
3.8
30
10.2
320.8
45.9
13.3
70.5
28.2
39
1.3
57.2
3.9
55
10.7
523.1
56.4
13.3
103.6
39.9
39
1.4
57.5
3.9
80
11.1
726.6
70.3
13.3
131.6
49.9
36.4
1.6
60.2
4
105
12.2
943.5
87.1
13.3
162.3
61.4
38
1.7
61.5
4
Table B.4: Split-C/AM Run Times varying Latency
This table shows the run time, in seconds, of the Split-C/AM applications while varying the latency.
Bandwidth
Radix
EM3D(r)
EM3D(w)
Sample
Barnes
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Radb
MB/s
1.19
11.1
115.4
38.9
13.3
80.7
36.2
39.4
1.2
123.6
8.2
4.6
8.6
114.1
38.5
13.3
56.3
21.1
39.4
1.2
65.1
4.7
8.7
8.1
114.1
37.9
13.3
52.5
19.5
36.3
1.2
63.7
4.2
11.2
8.1
113.9
37.9
13.2
51.8
19.3
39
1.2
61.7
4
15
7.9
113.9
39.3
13.4
47.6
19.5
39.6
1.2
57.8
3.9
19
7.9
114
38.1
13.3
47.2
18.9
36.5
1.2
57.5
3.9
31
7.9
116
38.4
13.3
47.3
19.6
36.3
1.2
56.8
3.8
37.5
7.8
114
38
13.2
43.2
17.9
35.3
1.2
56.9
3.7
Table B.5: Split-C/AM Run Times varying Bandwidth
This table shows the run time, in seconds, of the Split-C/AM applications while varying the Gap.
)
FT
IS
MG
(
s
10
173.2
18.7
17.8
11
178.1
21.3
18.3
20
175.8
22.5
19.9
30
177
-
23.9
60
184.9
22.5
26.6
110
222.1
33
26.6
Table B.6: NPB Run Times varying Overhead
This table shows the run time, in seconds, of the NPB while varying overhead.

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