#!/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"

# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE

# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE

# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL

# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR

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# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

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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