optim.sub
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	#!/bin/bash

	##SBATCH --reservation=phpc2017
	##SBATCH --account=phpc2017
	#SBATCH -N 1
	#SBATCH -n 1

	OPTIMS="-O0 -O1 -O2 -O3"
	N=512


	module load gcc

	echo gcc > gcc.out
	for _opt in ${OPTIMS} '-O3 -ftree-vectorize'
	do
	make clean
	make CXXFLAGS="-std=c++11 ${_opt}" CXX=g++
	./poisson $N\| cut -f4 -d " " >> gcc.out
	done


	module load intel

	echo icpc > intel.out
	for _opt in ${OPTIMS} '-O3 -xHOST'
	do
	make clean
	make CXXFLAGS="-std=c++11 ${_opt}" CXX=icpc
	./poisson $N \| cut -f4 -d " " >> intel.out
	done

	echo " ${OPTIMS} specific" \| tr " " "\n" > header

	paste header gcc.out intel.out > compilers.out