algorithm_final.c
aa9b50c53d27ancarola

algorithm_final.c
View Options

			/*
			============================================================================
			Filename : algorithm.c
			Author : Your names go here
			SCIPER : Your SCIPER numbers

			============================================================================
			*/
			#include <math.h>
			#include <stdio.h>

			#define INPUT(I,J) input[(I)*length+(J)]
			#define OUTPUT(I,J) output[(I)*length+(J)]


			void simulate(double input, double output, int threads, int length, int iterations)
			{
			double *temp;

			const int B = 8;

			omp_set_num_threads(threads);

			for(int n=0; n < iterations; n++)
			{
			int i = 0;
			int j = 0;
			#pragma omp parallel for private(i,j)
			for(int kk=0; kk<(length-1)*(length-1)-1; kk+=B)
			{
			for(int k=kk; i<kk+B; k++)
			{
			i = k/(length-2) + 1;
			j = k%(length-2) + 1;
			if ( ((i == length/2-1) \|\| (i== length/2)) && ((j == length/2-1) \|\| (j == length/2)) )
			continue;

			if((i<length-1)&&(j<length-1))
			{
			OUTPUT(i,j) = (INPUT(i-1,j-1) + INPUT(i-1,j) + INPUT(i-1,j+1) + INPUT(i,j-1) + INPUT(i,j) + INPUT(i,j+1) + INPUT(i+1,j-1) + INPUT(i+1,j) + INPUT(i+1,j+1))/9;
			}
			}
			}

			temp = input;
			input = output;
			output = temp;
			}

			}