#!/bin/sh
# BEGIN_ICS_COPYRIGHT8 ****************************************
# 
# Copyright (c) 2015, 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
#       without specific prior written permission.
# 
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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# END_ICS_COPYRIGHT8   ****************************************

# [ICS VERSION STRING: unknown]

# 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

full=n
all=n
size=1
if [ -z $1 ]
then 
	echo " Setting the default Maximum Message Size to 1000"
	MAX_SIZE=1000
	mult=4
elif [ "$1" = full ]
then
	MAX_SIZE=4194304
	full=y
	mult=2
	size=0
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
fi

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

loops=10000
LATENCY_CMD="latency/latency"

echo " Running Latency ..." | tee -a $LOGFILE
show_mpi_hosts | tee -a $LOGFILE
echo " Using: $MPI_RUN_CMD $LATENCY_CMD LOOPS SIZE" >> $LOGFILE
while [ "$size" -le "$MAX_SIZE" ]
do
	if [ $all != y ]
	then
		echo " Running Latency for size $size"
	fi
	set -x
	$MPI_RUN_CMD $LATENCY_CMD $loops $size 2>&1|tee -i -a $LOGFILE
	set +x

	if [ $all = y ]
	then
		size=`expr $size + $inc`
	elif [ $full = y -a $size -lt 8 ]
	then
		size=`expr $size + 1`
	else
    	size=`expr $size \* $mult`
	fi

	if [ $size -lt 100 ]
	then
		loops=10000
	elif [ $size -lt 1024 ]
	then
		loops=7000
	elif [ $size -lt 2048 ]
	then
		loops=5000
	elif [ $size -lt 1000000 ]
	then
		loops=1000
	else
		loops=20
	fi
done
echo "########################################### " >> $LOGFILE