Contents

//
// This file is part of the Bones source-to-source compiler examples. The C-code
// is largely identical in terms of functionality and variable naming to the code
// found in PolyBench/C version 3.2. For more information on PolyBench/C or Bones
// please use the contact information below.
//
// == More information on PolyBench/C
// Contact............Louis-Noel Pouchet <[e-mail]>
// Web address........http://polybench.sourceforge.net/
// 
// == More information on Bones
// Contact............Cedric Nugteren <[e-mail]>
// Web address........http://parse.ele.tue.nl/bones/
//
// == File information
// Filename...........benchmark/seidel-2d.c
// Author.............Cedric Nugteren
// Last modified on...05-April-2012
//

#include "common.h"

// This is 'seidel-2d', a 2D Seidel stencil computation
int main(void) {
	int i,j,t;
	
	// Declare arrays on the stack
	float A[N][N];
	
	// Set the input data
	for (i=0; i<N; i++) {
		for (j=0; j<N; j++) {
			A[i][j] = ((float) i*i*(j+2) + 2) / N;
		}
	}
	
	// Perform the computation
	#pragma scop
	{
		for (t = 0; t < TSTEPS - 1; t++) {
			for (i = 1; i <= N - 2; i++) {
				for (j = 1; j <= N - 2; j++) {
					A[i][j] = (A[i - 1][j - 1] + A[i - 1][j] + A[i - 1][j + 1] + A[i][j - 1] + A[i][j] + A[i][j + 1] + A[i + 1][j - 1] + A[i + 1][j] + A[i + 1][j + 1]) / 9.0;
				}
			}
		}
	}
	#pragma endscop
	
	// Clean-up and exit the function
	fflush(stdout);
	return 0;
}

Version data entries

2 entries across 2 versions & 1 rubygems

Version	Path
bones-compiler-1.6.0	test/examples/benchmarks/PolyBench/seidel-2d_species.c
bones-compiler-1.3.1	test/examples/benchmarks/PolyBench/seidel-2d_species.c