GPU memory is not fully utilized

Robotics & Edge Computing Jetson & Embedded Systems Jetson AGX Orin
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When I run a program on Jetson AGX orin, Jtop shows that the GPU usage is 99.9, but only 7.6G of video memory is actually used. How can I solve this problem?

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Duplicated with GPU memory cannot be fully used - Jetson & Embedded Systems / Jetson AGX Orin - NVIDIA Developer Forums