Workstation frees up memory

nvidia-smi

sudo fuser -v /dev/nvidia*

                     USER        PID ACCESS COMMAND
/dev/nvidia0:        root       1240 F...m Xorg
                     huangxinghong   1944 F...m python
                     huangxinghong   2208 F...m python
/dev/nvidia1:        root       1240 F...m Xorg
                     huangxinghong   1944 F...m python
                     huangxinghong   2208 F...m python
/dev/nvidiactl:      root       1240 F...m Xorg
                     huangxinghong   1944 F...m python
                     huangxinghong   2208 F...m python
/dev/nvidia-modeset: root       1240 F.... Xorg
/dev/nvidia-uvm:     huangxinghong   1944 F.... python
                     huangxinghong   2208 F.... python

free memory using command

kill -9 2208