added tests
This commit is contained in:
93
dvm/tools/tester/trunk/test-suite/Performance/jac2d.cdv
Normal file
93
dvm/tools/tester/trunk/test-suite/Performance/jac2d.cdv
Normal file
@@ -0,0 +1,93 @@
|
||||
/* Jacobi-2 program */
|
||||
|
||||
#include <math.h>
|
||||
#include <stdio.h>
|
||||
|
||||
#define Max(a, b) ((a) > (b) ? (a) : (b))
|
||||
|
||||
#define L 8000
|
||||
#define ITMAX 100
|
||||
|
||||
int i, j, it;
|
||||
float eps;
|
||||
float MAXEPS = 0.5f;
|
||||
|
||||
/* 2D arrays block distributed along 2 dimensions */
|
||||
#pragma dvm array distribute[block][block]
|
||||
float A[L][L];
|
||||
#pragma dvm array align([i][j] with A[i][j])
|
||||
float B[L][L];
|
||||
|
||||
int main(int an, char **as)
|
||||
{
|
||||
double startt, endt;
|
||||
#pragma dvm region
|
||||
{
|
||||
/* 2D parallel loop with base array A */
|
||||
#pragma dvm parallel([i][j] on A[i][j]) cuda_block(256)
|
||||
for (i = 0; i < L; i++)
|
||||
for (j = 0; j < L; j++)
|
||||
{
|
||||
A[i][j] = 0;
|
||||
if (i == 0 || j == 0 || i == L - 1 || j == L - 1)
|
||||
B[i][j] = 0;
|
||||
else
|
||||
B[i][j] = 3 + i + j;
|
||||
}
|
||||
}
|
||||
|
||||
#ifdef _DVMH
|
||||
dvmh_barrier();
|
||||
startt = dvmh_wtime();
|
||||
#else
|
||||
startt = 0;
|
||||
#endif
|
||||
/* iteration loop */
|
||||
for (it = 1; it <= ITMAX; it++)
|
||||
{
|
||||
eps = 0;
|
||||
#pragma dvm actual(eps)
|
||||
|
||||
#pragma dvm region
|
||||
{
|
||||
/* Parallel loop with base array A */
|
||||
/* calculating maximum in variable eps */
|
||||
#pragma dvm parallel([i][j] on A[i][j]) reduction(max(eps)), cuda_block(256)
|
||||
for (i = 1; i < L - 1; i++)
|
||||
for (j = 1; j < L - 1; j++)
|
||||
{
|
||||
float tmp = fabs(B[i][j] - A[i][j]);
|
||||
eps = Max(tmp, eps);
|
||||
A[i][j] = B[i][j];
|
||||
}
|
||||
|
||||
/* Parallel loop with base array B and */
|
||||
/* with prior updating shadow elements of array A */
|
||||
#pragma dvm parallel([i][j] on B[i][j]) shadow_renew(A), cuda_block(256)
|
||||
for (i = 1; i < L - 1; i++)
|
||||
for (j = 1; j < L - 1; j++)
|
||||
B[i][j] = (A[i - 1][j] + A[i][j - 1] + A[i][j + 1] + A[i + 1][j]) / 4.0f;
|
||||
}
|
||||
|
||||
#pragma dvm get_actual(eps)
|
||||
printf(" IT = %4i EPS = %14.7E\n", it, eps);
|
||||
if (eps < MAXEPS)
|
||||
break;
|
||||
}
|
||||
#ifdef _DVMH
|
||||
dvmh_barrier();
|
||||
endt = dvmh_wtime();
|
||||
#else
|
||||
endt = 0;
|
||||
#endif
|
||||
|
||||
printf(" Jacobi2D Benchmark Completed.\n");
|
||||
printf(" Size = %6d x %6d\n", L, L);
|
||||
printf(" Iterations = %12d\n", ITMAX);
|
||||
printf(" Time in seconds = %12.2lf\n", endt - startt);
|
||||
printf(" Operation type = floating point\n");
|
||||
printf(" Verification = %12s\n", (fabs(eps - 58.37598) < 1e-3 ? "SUCCESSFUL" : "UNSUCCESSFUL"));
|
||||
|
||||
printf(" END OF Jacobi2D Benchmark\n");
|
||||
return 0;
|
||||
}
|
||||
Reference in New Issue
Block a user