GPU クラスタで Graph500 その３

パラメータをいろいろと変えてみまして、少しだけ性能が上がりました。

Scale 28
パラメータチューニング前
median_TEPS: 3.05506e+09

パラメータチューニング後
median_TEPS: 3.28337e+09


◯最適化問題(SDP)用 GPU 計算クラスタ
Intel Xeon + 4 GPU マシン（４台）
CPU：Xeon X5690(3.46GHz,6コア)×2
メモリ：192GB(16GB×12)
HDD：SATA500GB×2(システム、システムバックアップ)
NIC : GbE x 1 & Inifiniband(FDR) x 1
GPGPU：Tesla C2075(C2070)×4
OS：CentOS 6.3 for x86_64

============= Result ==============
SCALE: 28
edgefactor: 16
NBFS: 64
graph_generation: 55.1255221367
num_mpi_processes: 16
construction_time: 186.369210958
redistribution_time: 23.5255258083
min_time: 1.25778
firstquartile_time: 1.2882
median_time: 1.30809
thirdquartile_time: 1.33682
max_time: 1.45938
mean_time: 1.31452
stddev_time: 0.0387928
min_nedge: 4294927670
firstquartile_nedge: 4294927670
median_nedge: 4294927670
thirdquartile_nedge: 4294927670
max_nedge: 4294927670
mean_nedge: 4294927670
stddev_nedge: 0
min_TEPS: 2.94298e+09
firstquartile_TEPS: 3.2128e+09
median_TEPS: 3.28337e+09
thirdquartile_TEPS: 3.33406e+09
max_TEPS: 3.41469e+09
harmonic_mean_TEPS: 3.26731e+09
harmonic_stddev_TEPS: 1.2148e+07
min_validate: 35.9675
firstquartile_validate: 36.4028
median_validate: 37.0046
thirdquartile_validate: 37.4558
max_validate: 38.138
mean_validate: 36.9744
stddev_validate: 0.578955