The Dashboard Command: nvidia-smi
What is it?
Since there is no Task Manager in a text-only terminal, how do you know if your GPU is working? You type `nvidia-smi`.What to look for
This command prints a table showing:
- GPU Name: confirming you got the RTX 4090 you paid for.
- Memory-Usage: e.g., `1200MiB / 24576MiB`. If this is near 100%, your model is too big.
- GPU-Util: The percentage of the chip being used. If it's 0%, the AI is idle.
Watch it live
Type `watch -n 1 nvidia-smi` to make the table update every second. This is mesmerizing to watch while a model is generating text.
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