Скрипт для автоуправления вентиляторами для Nvidia карт в Linux

fans.sh

#!/bin/bash

export DISPLAY=:0

NUM_CARDS=5
NS="/usr/bin/nvidia-settings"

while true
do
for ((i=0; i<$NUM_CARDS;i++))
{
    GPU_TEMP=`nvidia-smi -i $i --query-gpu=temperature.gpu --format=csv,noheader`
    FAN_SPEED=`nvidia-smi -i $i --query-gpu=fan.speed --format=csv,noheader,nounits`
    if (($GPU_TEMP < 55)); then
        (($GPU_TEMP!=$FAN_SPEED)) && $NS -a [gpu:$i]/GPUFanControlState=1 -a [fan-$i]/GPUTargetFanSpeed=$GPU_TEMP > /dev/null 2>&1
    else
        if (($GPU_TEMP < 65)); then
            let "TARGET_FAN_SPEED=GPU_TEMP+10"
            (($TARGET_FAN_SPEED != $FAN_SPEED)) && $NS -a [gpu:$i]/GPUFanControlState=1 -a [fan-$i]/GPUTargetFanSpeed=$TARGET_FAN_SPEED > /dev/null 2>&1
        else
            let "TARGET_FAN_SPEED = GPU_TEMP + 20"
            (($TARGET_FAN_SPEED != $FAN_SPEED)) && $NS -a [gpu:$i]/GPUFanControlState=1 -a [fan-$i]/GPUTargetFanSpeed=$TARGET_FAN_SPEED > /dev/null 2>&1
        fi 
    fi
}

sleep 5
done