nvidia-smi
Sat Jan 12 10:58:39 2019
±----------------------------------------------------------------------------+
| NVIDIA-SMI 410.79       Driver Version: 410.79       CUDA Version: 10.0     |
|-------------------------------±---------------------±---------------------+
| 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 K80           On   | 00000000:00:1E.0 Off |                    0 |
| N/A   46C    P0    77W / 149W |    514MiB / 11441MiB |     38%      Default |
±------------------------------±---------------------±---------------------+
±----------------------------------------------------------------------------+
| Processes:                                                       GPU Memory |
|  GPU       PID   Type   Process name                             Usage      |
|=============================================================================|
±----------------------------------------------------------------------------+
From this output: since there are no processes, I’m guessing it’s not using CUDA?