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for 4.2.4 or higher,4.2.5,4.2.6,4.3.7，it's works ， this is the way which makes Always in evaluation mode 。

open Terminal, go to the dir : cd /Applications/Beyond Compare.app/Contents/MacOS
change the name BCompare to BCompare.bak: mv BCompare BCompare.bak
touch a file name BCompare , and chmod a+u BCompare : touch BCompare && chmod a+u BCompare
open BCompare with text editor, insert the script :

#!/bin/bash
rm "/Users/$(whoami)/Library/Application Support/Beyond Compare/registry.dat"
"`dirname "$0"`"/BCompare.bak $@

Ordinary launch commands (no profiling):

Single-process:

python main_amp.py -a resnet50 --b 224 --deterministic --workers 4 --opt-level O1 ./bare_metal_train_val/

Multi-process:

python -m torch.distributed.launch  --nproc_per_node=2 main_amp.py -a resnet50 --b 224 --deterministic --workers 4 --opt-level O1 ./bare_metal_train_val/

	#!/usr/bin/env python
	# -- coding: utf-8 --
	from argparse import ArgumentParser

	import torch
	import torch.distributed as dist
	from torch.nn.parallel import DistributedDataParallel as DDP
	from torch.utils.data import DataLoader, Dataset
	from torch.utils.data.distributed import DistributedSampler
	from transformers import BertForMaskedLM

	import subprocess
	import datetime
	import numpy as np

	THREAD_NUM=4

	def get_video_info(fileloc) :
	command = ['ffprobe',
	'-v', 'fatal',
	'-show_entries', 'stream=width,height,r_frame_rate,duration',

	# Download installers
	mkdir ~/Downloads/nvidia
	cd ~/Downloads/nvidia
	wget https://developer.nvidia.com/compute/cuda/8.0/Prod2/local_installers/cuda_8.0.61_375.26_linux-run
	wget http://us.download.nvidia.com/XFree86/Linux-x86_64/384.59/NVIDIA-Linux-x86_64-384.59.run
	sudo chmod +x NVIDIA-Linux-x86_64-384.59.run
	sudo chmod +x cuda_8.0.61_375.26_linux-run
	./cuda_8.0.61_375.26_linux-run -extract=~/Downloads/nvidia/
	# Uninstall old stuff
	sudo apt-get --purge remove nvidia-*

	# Install pip
	wget https://bootstrap.pypa.io/get-pip.py
	sudo python get-pip.py

	# Install CUDA 9
	curl -O http://developer.download.nvidia.com/compute/cuda/rep
	os/ubuntu1604/x86_64/cuda-repo-ubuntu1604_9.0.176-1_amd64.deb
	sudo dpkg -i cuda-repo-ubuntu1604_9.0.176-1_amd64.deb
	sudo apt-get update
	sudo apt-get install cuda