Hi,
1. Please make sure you have maximized the device performance like below:
$ sudo nvpmodel -m 0
$ sudo jetson_clocks
2. Please run the OpenPose with our TensorRT library.
Below are two example for your reference:
https://github.com/NVIDIA-AI-IOT/trt_pose
https://github.com/NVIDIA-AI-IOT/trt_pose_hand
Thanks.