Tesla C2075 x 4枚で Graph500

Tesla C2075 x 4 枚でも意外なことに 1GTEPS 以上出ます。。。

============= Result ==============
SCALE: 24
edgefactor: 16
NBFS: 16
graph_generation: 17.183539285
num_mpi_processes: 4
construction_time: 20.752644661
redistribution_time: 1.514821591
min_time: 0.243109
firstquartile_time: 0.247441
median_time: 0.257272
thirdquartile_time: 0.260775
max_time: 0.275781
mean_time: 0.256529
stddev_time: 0.00982171
min_nedge: 268432547
firstquartile_nedge: 268432547
median_nedge: 268432547
thirdquartile_nedge: 268432547
max_nedge: 268432547
mean_nedge: 268432547
stddev_nedge: 0
min_TEPS: 9.73356e+08
firstquartile_TEPS: 1.02936e+09
median_TEPS: 1.04338e+09
thirdquartile_TEPS: 1.08483e+09
max_TEPS: 1.10417e+09
harmonic_mean_TEPS: 1.0464e+09
harmonic_stddev_TEPS: 1.03444e+07
min_validate: 1.59e-07
firstquartile_validate: 2.145e-07
median_validate: 2.355e-07
thirdquartile_validate: 2.4e-07
max_validate: 4.83155
mean_validate: 0.301972
stddev_validate: 1.20789


Mon Feb 5 00:43:20 2018
+-----------------------------------------------------------------------------+
| NVIDIA-SMI 390.25 Driver Version: 390.25 |
|-------------------------------+----------------------+----------------------+
| GPU Name Persistence-M| Bus-Id Disp.A | Volatile Uncorr. ECC |
| Fan Temp Perf Pwr:Usage/Cap| Memory-Usage | GPU-Util Compute M. |
|===============================+======================+======================|
| 0 Tesla C2075 Off | 00000000:02:00.0 On | 0 |
| 30% 70C P0 83W / N/A | 3288MiB / 5301MiB | 0% Default |
+-------------------------------+----------------------+----------------------+
| 1 Tesla C2075 Off | 00000000:03:00.0 Off | 0 |
| 30% 61C P0 78W / N/A | 3222MiB / 5301MiB | 0% Default |
+-------------------------------+----------------------+----------------------+
| 2 Tesla C2075 Off | 00000000:83:00.0 Off | 0 |
| 30% 67C P0 76W / N/A | 3228MiB / 5301MiB | 0% Default |
+-------------------------------+----------------------+----------------------+
| 3 Tesla C2075 Off | 00000000:84:00.0 Off | 0 |
| 30% 76C P0 90W / N/A | 3223MiB / 5301MiB | 0% Default |
+-------------------------------+----------------------+----------------------+

+-----------------------------------------------------------------------------+
| Processes: GPU Memory |
| GPU PID Type Process name Usage |
|=============================================================================|
| 0 4559 C ./runnable 1622MiB |
| 1 4560 C ./runnable 1617MiB |
| 2 4561 C ./runnable 1623MiB |
| 3 4562 C ./runnable 1618MiB |
+-----------------------------------------------------------------------------+

マシンの仕様
Intel Xeon + 4 GPU マシン
CPU：Xeon X5690(3.46GHz,6core)×2
Memory：192GB(16GB×12)
HDD：SATA500GB×2
NIC : GbE x 1 & Inifiniband(FDR) x 1
GPGPU：Tesla C2075×4
OS：CentOS 7.4