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hpc-2022-g3/OpenMP/utilities/template-for-new-benchmark.c
Alessandro Capotondi e11b42a518 init commit
2022-11-11 13:23:45 +01:00

94 lines
2 KiB
C

/**
* template.c: This file is part of the PolyBench/C 3.2 test suite.
*
*
* Contact: Louis-Noel Pouchet <pouchet@cse.ohio-state.edu>
* Web address: http://polybench.sourceforge.net
*/
#include <stdio.h>
#include <unistd.h>
#include <string.h>
#include <math.h>
/* Include polybench common header. */
#include <polybench.h>
/* Include benchmark-specific header. */
/* Default data type is double, default size is N=1024. */
#include "template-for-new-benchmark.h"
/* Array initialization. */
static
void init_array(int n, DATA_TYPE POLYBENCH_2D(C,N,N,n,n))
{
int i, j;
for (i = 0; i < n; i++)
for (j = 0; j < n; j++)
C[i][j] = 42;
}
/* DCE code. Must scan the entire live-out data.
Can be used also to check the correctness of the output. */
static
void print_array(int n, DATA_TYPE POLYBENCH_2D(C,N,N,n,n))
{
int i, j;
for (i = 0; i < n; i++)
for (j = 0; j < n; j++) {
fprintf (stderr, DATA_PRINTF_MODIFIER, C[i][j]);
if (i % 20 == 0) fprintf (stderr, "\n");
}
fprintf (stderr, "\n");
}
/* Main computational kernel. The whole function will be timed,
including the call and return. */
static
void kernel_template(int n, DATA_TYPE POLYBENCH_2D(C,N,N,n,n))
{
int i, j;
#pragma scop
for (i = 0; i < _PB_N; i++)
for (j = 0; j < _PB_N; j++)
C[i][j] += 42;
#pragma endscop
}
int main(int argc, char** argv)
{
/* Retrieve problem size. */
int n = N;
/* Variable declaration/allocation. */
POLYBENCH_2D_ARRAY_DECL(C,DATA_TYPE,N,N,n,n);
/* Initialize array(s). */
init_array (n, POLYBENCH_ARRAY(C));
/* Start timer. */
polybench_start_instruments;
/* Run kernel. */
kernel_template (n, POLYBENCH_ARRAY(C));
/* Stop and print timer. */
polybench_stop_instruments;
polybench_print_instruments;
/* Prevent dead-code elimination. All live-out data must be printed
by the function call in argument. */
polybench_prevent_dce(print_array(n, POLYBENCH_ARRAY(C)));
/* Be clean. */
POLYBENCH_FREE_ARRAY(C);
return 0;
}