nvuv

What nvuv is

nvuv is a free Linux command-line tool for adjusting NVIDIA GPU power and clock settings. It can set a power limit, lock GPU or memory clock ranges, and apply clock offsets. The `-i GPU_INDEX` option selects a device when a system has multiple GPUs. The project describes it as a thin wrapper around NVIDIA’s NVML library. Its indirect undervolting approach locks the GPU’s maximum clock and applies a positive clock offset; direct voltage control is not available through this method on Linux. The project says this can produce roughly similar performance with lower voltage and power draw, potentially reducing temperature and fan noise. Settings can be loaded from a TOML file, with `/etc/nvuv/nvuv.toml` as the default path. Changing or applying GPU settings requires root privileges. Those changes do not survive reboot, resume, or driver reload unless a provided systemd service reapplies the configuration. That service can run at startup and after resume or driver reload. Downloads are linked from GitHub releases and an Arch User Repository package.