Source files / scripts · raw

gpu-setup.sh

#!/usr/bin/env bash
# Boot-time GPU setup: persistence mode, power limit, ECC check.
# Run by tersler-gpu.service; safe to run by hand (as root).
set -euo pipefail
# shellcheck source=lib.sh
source "$(dirname "$(readlink -f "$0")")/lib.sh"
jr_load_config

jr_nvsmi -pm 1 >/dev/null
mapfile -t idx < <(jr_nvsmi --query-gpu=index --format=csv,noheader)
for i in "${idx[@]}"; do
    jr_nvsmi -i "$i" -pl "$GPU_POWER_LIMIT" >/dev/null
    ecc=$(jr_nvsmi -i "$i" --query-gpu=ecc.mode.current,ecc.mode.pending --format=csv,noheader | tr -d ' ')
    if [[ $GPU_ENABLE_ECC == 1 && $ecc == Disabled,Disabled ]]; then
        jr_nvsmi -i "$i" -e 1 >/dev/null
        jr_warn "GPU $i: ECC was off, enabled; takes effect after the next reboot"
    fi
done
jr_nvsmi --query-gpu=index,name,power.limit,ecc.mode.current,pcie.link.width.current,temperature.gpu --format=csv