ResNet50, FP16+32, 單張卡，GS4820A
1) TitanV:
INFO:root:Epoch[0] Batch [100] Speed: 475.80 samples/sec accuracy=0.000000
INFO:root:Epoch[0] Batch [120] Speed: 480.10 samples/sec accuracy=0.000781
INFO:root:Epoch[0] Batch [140] Speed: 482.16 samples/sec accuracy=0.000000
INFO:root:Epoch[0] Batch [160] Speed: 484.46 samples/sec accuracy=0.003125
INFO:root:Epoch[0] Batch [180] Speed: 483.03 samples/sec accuracy=0.002344
2) V100:
INFO:root:Epoch[0] Batch [100] Speed: 572.16 samples/sec accuracy=0.002344
INFO:root:Epoch[0] Batch [120] Speed: 563.01 samples/sec accuracy=0.000781
INFO:root:Epoch[0] Batch [140] Speed: 572.30 samples/sec accuracy=0.000000
INFO:root:Epoch[0] Batch [160] Speed: 561.07 samples/sec accuracy=0.001563
INFO:root:Epoch[0] Batch [180] Speed: 567.76 samples/sec accuracy=0.002344
