NVIDIA Tesla K40 と K80 : 周波数制御

NVIDIA Tesla K40 と K80の周波数制御について。K40 は周波数は４つのみ設定が可能（666,745,810,875)。K80 は 562MHz から 875MHz まで２５段階の設定が可能。。。

◯ K40
nvidia-smi -i 0 -q -d SUPPORTED_CLOCKS

==============NVSMI LOG==============

Timestamp : Tue Jan 26 00:36:03 2016
Driver Version : 352.39

Attached GPUs : 4
GPU 0000:42:00.0
Supported Clocks
Memory : 3004 MHz
Graphics : 875 MHz
Graphics : 810 MHz
Graphics : 745 MHz
Graphics : 666 MHz
Memory : 324 MHz
Graphics : 324 MHz

◯ K80
nvidia-smi -q -i 0 -d SUPPORTED_CLOCKS

==============NVSMI LOG==============

Timestamp : Mon Jan 25 23:44:22 2016
Driver Version : 346.46

Attached GPUs : 8
GPU 0000:04:00.0
Supported Clocks
Memory : 2505 MHz
Graphics : 875 MHz
Graphics : 862 MHz
Graphics : 849 MHz
Graphics : 836 MHz
Graphics : 823 MHz
Graphics : 810 MHz
Graphics : 797 MHz
Graphics : 784 MHz
Graphics : 771 MHz
Graphics : 758 MHz
Graphics : 745 MHz
Graphics : 732 MHz
Graphics : 719 MHz
Graphics : 705 MHz
Graphics : 692 MHz
Graphics : 679 MHz
Graphics : 666 MHz
Graphics : 653 MHz
Graphics : 640 MHz
Graphics : 627 MHz
Graphics : 614 MHz
Graphics : 601 MHz
Graphics : 588 MHz
Graphics : 575 MHz
Graphics : 562 MHz
Memory : 324 MHz
Graphics : 324 MHz