Release 13 External Flow Over a Passenger Sedan (sedan_4m)

External flow over a passenger sedan. The case has around 3.6 million cells of mixed type and uses a k-epsilon model with the pressure-based coupled solver . 
Number of cells 3,600,000
Cell type mixed
Models k-eps turbulence
Solver pressure-based coupled implicit
 

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Results

Results are listed alphabetically by platform. Download

Last updated: 2011-12-01

 

Platform Cores Machines Core Solver
Rating
Core Solver
Speedup
Core Solver
Efficiency
CISCO UCS C200 with Intel x5670 processor, 2.93 GHz, RHEL 5.5 using 10GigE

96GB RAM

Download
12
1
811.6
N/A
N/A
24
2
1645.7
N/A
N/A
48
4
3365.1
N/A
N/A
96
8
6620.7
N/A
N/A
192
16
12041.8
N/A
N/A
384
32
19307.3
N/A
N/A
IBM dx360 M3 with Intel x5670 processor, 2.93 GHz, RHEL 5.5 using QLogic Infiniband QDR

48GB RAM

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12
1
789.6
N/A
N/A
24
2
1615.0
N/A
N/A
48
4
3323.1
N/A
N/A
96
8
6750.0
N/A
N/A
192
16
13343.6
N/A
N/A
384
32
24167.8
N/A
N/A
IBM dx360 M3 with Intel x5670 processor, 2.93 GHz, RHEL 6.1 using Mellanox Infiniband QDR

24GB RAM

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12
1
809.2
N/A
N/A
24
2
1643.4
N/A
N/A
48
4
3358.6
N/A
N/A
96
8
6816.6
N/A
N/A
192
16
13241.4
N/A
N/A
384
32
23671.2
N/A
N/A
SGI Altix ICE 8400 with AMD 6180 processor, 2.5GHz, SLES 11 using QDR Infiniband

64GB RAM

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1
1
61.0
1.0
100%
2
1
109.8
1.8
90%
4
1
188.0
3.1
77%
8
1
330.6
5.4
68%
12
1
497.6
8.2
68%
24
1
989.1
16.2
68%
48
2
2023.4
33.2
69%
96
4
4023.3
66.0
69%
192
8
7680.0
125.9
66%
384
16
13660.1
223.9
58%
SGI Altix ICE 8400EX with Intel x5670 processor, 3.4GHz, SLES 11 using Infiniband

24GB RAM


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1
1
119.7
1.0
100%
2
1
240.5
2.0
100%
4
1
427.2
3.6
89%
8
1
611.8
5.1
64%
12
1
831.6
6.9
58%
24
2
1692.5
14.1
59%
48
4
3473.4
29.0
60%
96
8
7038.7
58.8
61%
192
16
12943.8
108.1
56%
384
32
20449.7
170.8
44%
768
64
23194.6
193.8
25%
SGI UV 1000 with Intel Westmere-Ex E7-8837 512cores - 4GB per core, 2.67GHz, SLES 11 using NumaLink5

2TB RAM

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1
1
70.6
1.0
100%
2
1
136.6
1.9
97%
4
1
255.5
3.6
90%
8
1
452.5
6.4
80%
16
1
924.1
13.1
82%
32
1
1914.7
27.1
85%
64
1
3831.5
54.3
85%
128
1
6127.7
86.8
68%
256
1
12705.9
180.0
70%
512
1
17024.6
241.1
47%