External Flow over passenger sedan (sedan_4m)
External Flow over passenger sedan. The case has around 4 million cells of mixed type and uses a k-epsilon model with the pressure-based coupled solver.
| Number of cells | 4,000,000 |
| Cell type | Mixed |
| Models | Standard K-e Turbulence |
| Solver | Pressure based coupled solver, Green-Gauss cell based, steady |
Last updated: 2016-08-26
| Platform | Cores | Machines | Core Solver Rating |
Core Solver Speedup |
Core Solver Efficiency |
|
Cray XC40 with Intel E5-2695v4 processor, 2.1 GHz, Cray Linux Environment 6.0 update 01 based on SUSE 12 using Cray Aries network |
36
|
1
|
2979.3103
|
36.000
|
100.00%
|
|
72
|
2
|
6127.6596
|
74.043
|
102.84%
|
|
|
144
|
4
|
12847.5836
|
155.242
|
107.81%
|
|
|
288
|
8
|
25411.7647
|
307.059
|
106.62%
|
|
|
432
|
12
|
37565.2174
|
453.913
|
105.07%
|
|
|
576
|
16
|
52363.6364
|
632.727
|
109.85%
|
|
|
864
|
24
|
73531.9149
|
888.511
|
102.84%
|
|
|
1152
|
32
|
84292.6829
|
1018.537
|
88.41%
|
|
|
1728
|
48
|
101647.0588
|
1228.235
|
71.08%
|
|
|
2304
|
64
|
108000.0000
|
1305.000
|
56.64%
|
|
|
Dell PowerEdge C6320 2.6 GHz 16 core Broadwell, 128GB RAM, RHEL 7.2, Mellanox EDR Infiniband
Download |
32
|
1
|
2882.4020
|
32.000
|
100.00%
|
|
64
|
2
|
5827.9933
|
64.702
|
101.10%
|
|
|
128
|
4
|
12169.0141
|
135.099
|
105.55%
|
|
|
192
|
6
|
18382.9787
|
204.085
|
106.29%
|
|
|
256
|
8
|
24338.0282
|
270.197
|
105.55%
|
|
|
HPE Proliant XL170r Gen9, 2.3GHz, 16 core Haswell, 128GB RAM, 2133MHz RHEL 6.6, FDR Infiniband |
32
|
1
|
2452.8034
|
32.000
|
100.00%
|
|
64
|
2
|
4840.3361
|
63.148
|
98.67%
|
|
|
128
|
4
|
9520.6612
|
124.209
|
97.04%
|
|
|
256
|
8
|
17814.4330
|
232.412
|
90.79%
|
|
|
512
|
16
|
34909.0909
|
455.434
|
88.95%
|
|
|
1024
|
32
|
54000.0000
|
704.500
|
68.80%
|
|
|
HPE Proliant XL170r Gen9, 2.3GHz, 16 core Haswell, 128GB RAM, 2133MHz RHEL 6.6, SINGLE NODE |
1
|
1
|
113.8190
|
1.000
|
100.00%
|
|
2
|
1
|
233.4820
|
2.051
|
102.57%
|
|
|
4
|
1
|
461.1074
|
4.051
|
101.28%
|
|
|
6
|
1
|
674.7364
|
5.928
|
98.80%
|
|
|
8
|
1
|
891.4109
|
7.832
|
97.90%
|
|
|
10
|
1
|
1097.1429
|
9.639
|
96.39%
|
|
|
12
|
1
|
1294.8670
|
11.377
|
94.80%
|
|
|
14
|
1
|
1478.8190
|
12.993
|
92.81%
|
|
|
16
|
1
|
1646.4983
|
14.466
|
90.41%
|
|
|
18
|
1
|
1800.9380
|
15.823
|
87.90%
|
|
|
20
|
1
|
1936.1345
|
17.011
|
85.05%
|
|
|
22
|
1
|
2052.2565
|
18.031
|
81.96%
|
|
|
24
|
1
|
2139.9381
|
18.801
|
78.34%
|
|
|
26
|
1
|
2232.5581
|
19.615
|
75.44%
|
|
|
28
|
1
|
2321.0208
|
20.392
|
72.83%
|
|
|
30
|
1
|
2390.0415
|
20.999
|
70.00%
|
|
|
32
|
1
|
2452.8034
|
21.550
|
67.34%
|
|
|
HP Proliant XL230 Gen9, 2.6 GHz 16 core Broadwell, 128GB RAM, RHEL 7.2, Mellanox EDR Infiniband, Turbo off |
64
|
2
|
4476.6839
|
64.000
|
100.00%
|
|
128
|
4
|
10504.5593
|
150.176
|
117.33%
|
|
|
256
|
8
|
20819.2771
|
297.639
|
116.27%
|
|
|
512
|
16
|
39272.7273
|
561.455
|
109.66%
|
|
|
1024
|
32
|
65207.5472
|
932.226
|
91.04%
|
|
|
2048
|
64
|
86400.0000
|
1235.200
|
60.31%
|
|
| HP Proliant XL230 Gen9, 2.6 GHz 16 core Broadwell, 128GB RAM, RHEL 7.2 Single Node, turbo off Download |
1
|
1
|
125.2900
|
1.000
|
100.00%
|
|
2
|
1
|
241.1219
|
1.925
|
96.23%
|
|
|
4
|
1
|
472.7124
|
3.773
|
94.32%
|
|
|
6
|
1
|
691.4766
|
5.519
|
91.98%
|
|
|
8
|
1
|
909.7131
|
7.261
|
90.76%
|
|
|
10
|
1
|
1103.0961
|
8.804
|
88.04%
|
|
|
12
|
1
|
1299.2481
|
10.370
|
86.42%
|
|
|
14
|
1
|
1503.2623
|
11.998
|
85.70%
|
|
|
16
|
1
|
1671.1799
|
13.338
|
83.37%
|
|
|
18
|
1
|
1818.9474
|
14.518
|
80.65%
|
|
|
20
|
1
|
1968.1093
|
15.708
|
78.54%
|
|
|
22
|
1
|
2103.4693
|
16.789
|
76.31%
|
|
|
24
|
1
|
2211.1324
|
17.648
|
73.53%
|
|
|
26
|
1
|
2325.7066
|
18.563
|
71.39%
|
|
|
28
|
1
|
2420.1681
|
19.317
|
68.99%
|
|
|
30
|
1
|
2497.1098
|
19.931
|
66.44%
|
|
|
32
|
1
|
2563.7982
|
20.463
|
63.95%
|
