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Prevent NVIDIA GPUs' throttling on headless server

• Unlock manual fan & overclock settings
  sudo nvidia-xconfig -a --cool-bits=28 --allow-empty-initial-configuration
• Reboot system
• Create script /usr/local/bin/gpu-fan-control.sh

#!/bin/bash

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import pandas as pd
import numpy as np
import os
import cv2
import matplotlib.pyplot as plt
import matplotlib.patches as patches
from multiprocessing import Pool
from sklearn.model_selection import StratifiedKFold
from sklearn.model_selection import train_test_split
import random

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# pylint: skip-file
import sys
sys.path.insert(0, "../../python/")

import mxnet as mx
import numpy as np
import logging
import time
import os, sys
import importlib

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import time
import cv2.aruco as A
import numpy as np
import cv2

dictionary = cv2.aruco.getPredefinedDictionary(cv2.aruco.DICT_4X4_50)
board = cv2.aruco.CharucoBoard_create(3,3,.025,.0125,dictionary)

cap = cv2.VideoCapture('../color/sample_3color.avi')

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kv = mx.kvstore.create("local")
dataiter = mx.io.ImageRecordIter(
    path_imgrec=os.path.join(MAIN, fn_bin),
    data_shape=(3, size, size),
    mean_r=128.0,
    mean_g=128.0,
    mean_b=128.0,
    rand_crop=False,
    batch_size=batch_size,
    num_parts=kv.num_workers,