#!/bin/bash
# Copyright 2020 Huawei Technologies Co., Ltd
#
# Copyright (c) 2023,Shanghai Iluvatar CoreX Semiconductor Co.,Ltd.
# All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# ============================================================================
if [ $# != 5 ]
then
    echo "Usage: sh scripts/run_distribute_train.sh [RANK_TABLE_FILE] [IAMGEPATH_TRAIN] [JSONPATH_TRAIN] [MASKPATH_TRAIN] [VGG_PATH]"
exit 1
fi

get_real_path(){
  if [ "${1:0:1}" == "/" ]; then
    echo "$1"
  else
    echo "$(realpath -m $PWD/$1)"
  fi
}
RANK_TABLE_FILE=$(get_real_path $1)

echo $RANK_TABLE_FILE

if [ ! -f $RANK_TABLE_FILE ]
then
    echo "error: RANK_TABLE_FILE=$RANK_TABLE_FILE is not a file"
exit 1
fi

export DEVICE_NUM=8
export RANK_SIZE=8
export RANK_TABLE_FILE=$RANK_TABLE_FILE

for((i=0; i<${DEVICE_NUM}; i++))
do
    export DEVICE_ID=$i
    export RANK_ID=$i
    rm -rf ./train_parallel$i
    mkdir ./train_parallel$i
    cp ./*.py ./train_parallel$i
    cp -r ./src ./train_parallel$i
    cp -r ./scripts ./train_parallel$i
    cp ./*yaml ./train_parallel$i
    cd ./train_parallel$i || exit
    echo "start training for rank $RANK_ID, device $DEVICE_ID"
    env > env.log
    python3 train.py \
        --imgpath_train=$2 \
        --jsonpath_train=$3 \
        --maskpath_train=$4  \
        --vgg_path=$5 > log.txt 2>&1 &
    cd ..
done
