TensorflowGPU利用率低

可能是因为Windows下任务管理器不会直接给出CUDA对GPU的占用,实际上是有占用的.

或用命令行查看.

> cd C:\Program Files\NVIDIA Corporation\NVSMI
> nvidia-smi
Mon Dec 23 14:19:08 2019
+-----------------------------------------------------------------------------+
| NVIDIA-SMI 441.12 Driver Version: 441.12 CUDA Version: 10.2 |
|-------------------------------+----------------------+----------------------+
| GPU Name TCC/WDDM | Bus-Id Disp.A | Volatile Uncorr. ECC |
| Fan Temp Perf Pwr:Usage/Cap| Memory-Usage | GPU-Util Compute M. |
|===============================+======================+======================|
| 0 GeForce GTX 1060 WDDM | 00000000:01:00.0 On | N/A |
| N/A 71C P2 82W / N/A | 5420MiB / 6144MiB | 95% Default |
+-------------------------------+----------------------+----------------------+
+-----------------------------------------------------------------------------+
| Processes: GPU Memory |
| GPU PID Type Process name Usage |
|=============================================================================|
| 0 1268 C+G Insufficient Permissions N/A |
| 0 2004 C+G ...1.0_x64__8wekyb3d8bbwe\WinStore.App.exe N/A |
| 0 8244 C+G ...6.1012.0_x64__8wekyb3d8bbwe\GameBar.exe N/A |
| 0 9028 C+G C:\Windows\explorer.exe N/A |
| 0 9872 C+G ...t_cw5n1h2txyewy\ShellExperienceHost.exe N/A |
| 0 10144 C+G ...dows.Cortana_cw5n1h2txyewy\SearchUI.exe N/A |
| 0 10752 C+G ...5.131.0_x64__kzf8qxf38zg5c\SkypeApp.exe N/A |
| 0 11188 C+G ...10711.0_x64__8wekyb3d8bbwe\Video.UI.exe N/A |
| 0 12220 C+G ...10711.0_x64__8wekyb3d8bbwe\Music.UI.exe N/A |
| 0 12296 C+G ...hell.Experiences.TextInput.InputApp.exe N/A |
| 0 12336 C+G ...*************************************** N/A |
| 0 13604 C+G ...*************************************** N/A |
| 0 14476 C C:\ProgramData\Anaconda3\python.exe N/A |
+-----------------------------------------------------------------------------+