#!/bin/bash
# BEGIN_ICS_COPYRIGHT8 ****************************************
# 
# Copyright (c) 2015-2023, Intel Corporation
# 
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
# 
#     * Redistributions of source code must retain the above copyright notice,
#       this list of conditions and the following disclaimer.
#     * Redistributions in binary form must reproduce the above copyright
#       notice, this list of conditions and the following disclaimer in the
#       documentation and/or other materials provided with the distribution.
#     * Neither the name of Intel Corporation nor the names of its contributors
#       may be used to endorse or promote products derived from this software
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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# END_ICS_COPYRIGHT8   ****************************************

# [ICS VERSION STRING: unknown]

# SLURM directives.  Must precede all non-comment lines and can't use variables
# slurm command line overrides any SBATCH settings here
# to disable a given setting below, use ## to comment out
##SBATCH --job-name=run_bw
#SBATCH --output=logs/bw.%j.out
# timelimit in days-hours:minutes:seconds
##SBATCH --time=0-00:30:00

# BASE PATH TO MPI EXECUTABLES: To use an alternate location,
# either edit this line or set MPICH_PREFIX in your environment.
# see select_mpi for the set of default MPI selections
# default to MPI used for build
MPICH_PREFIX=${MPICH_PREFIX:-`cat .prefix 2>/dev/null`}

trap "exit 1" SIGHUP SIGTERM SIGINT

if [ x"$1" == x"-h" -o x"$1" == x"--help" ]
then
	echo "Usage: $0 full"
	echo "           or"
	echo "       $0 all [inc]"
	echo "           or"
	echo "       $0 [max_size]"
	echo "           or"
	echo "       $0 --help"
	echo "    full - run powers of 2 from 1024 to 4194304"
	echo "    all - run from 0 to 131072 in increments of inc (default 10)"
	echo "    max_size - runs powers of 4 from 4096 to max_size (default 4194304)"
	exit 1;
fi

all=n
if [ -z $1 ]
then 
	echo " Setting the default Maximum Message Size to 4194304"
	MAX_SIZE=4194304
	mult=4
	size=4096
elif [ "$1" = full ]
then
	MAX_SIZE=4194304
	mult=2
	size=1024
elif [ "$1" = all ]
then
	MAX_SIZE=`expr 128 \* 1024`
	all=y
	mult=0
	size=0
	if [ -z $2 ]
	then
		inc=10
	else
		inc=$2
	fi
else
	MAX_SIZE=$1
	mult=4
	size=4096
fi

NUM_PROCESSES=2
APP=bw
LOGFILE=
. ./prepare_run

BANDWIDTH_CMD="bandwidth/bw 400"

echo " Running Bandwidth ..." | tee -a $LOGFILE
show_mpi_hosts | tee -a $LOGFILE
show_mpi_env | tee -a $LOGFILE
echo " Using: $MPI_RUN_CMD $BANDWIDTH_CMD SIZE" >> $LOGFILE
while [ "$size" -le "$MAX_SIZE" ]
do
	if [ $all != y ]
	then
		echo " Running Bandwith for size $size"
	fi
	set -x
	$MPI_RUN_CMD $BANDWIDTH_CMD $size 2>&1|tee -i -a $LOGFILE
	set +x
	if [ $all = y ]
	then
    	size=`expr $size + $inc`
	else
    	size=`expr $size \* $mult`
	fi
done
echo "########################################### " >> $LOGFILE
