added tests
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100
dvm/tools/tester/trunk/test-suite/Performance/adi3d.cdv
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100
dvm/tools/tester/trunk/test-suite/Performance/adi3d.cdv
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/* ADI program */
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#include <math.h>
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#include <stdlib.h>
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#include <stdio.h>
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#define Max(a, b) ((a) > (b) ? (a) : (b))
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#define nx 384
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#define ny 384
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#define nz 384
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#pragma dvm inherit(a)
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void init(double (*a)[ny][nz]);
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int main(int argc, char *argv[])
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{
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double maxeps, eps;
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#pragma dvm array distribute[block][block][block]
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double (*a)[ny][nz];
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int it, itmax, i, j, k;
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double startt, endt;
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maxeps = 0.01;
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itmax = 100;
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a = (double (*)[ny][nz])malloc(nx * ny * nz * sizeof(double));
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init(a);
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#ifdef _DVMH
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dvmh_barrier();
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startt = dvmh_wtime();
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#else
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startt = 0;
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#endif
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for (it = 1; it <= itmax; it++)
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{
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eps = 0;
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#pragma dvm actual(eps)
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#pragma dvm region
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{
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#pragma dvm parallel([i][j][k] on a[i][j][k]) across(a[1:1][0:0][0:0])
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for (i = 1; i < nx - 1; i++)
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for (j = 1; j < ny - 1; j++)
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for (k = 1; k < nz - 1; k++)
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a[i][j][k] = (a[i-1][j][k] + a[i+1][j][k]) / 2;
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#pragma dvm parallel([i][j][k] on a[i][j][k]) across(a[0:0][1:1][0:0])
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for (i = 1; i < nx - 1; i++)
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for (j = 1; j < ny - 1; j++)
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for (k = 1; k < nz - 1; k++)
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a[i][j][k] = (a[i][j-1][k] + a[i][j+1][k]) / 2;
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#pragma dvm parallel([i][j][k] on a[i][j][k]) across(a[0:0][0:0][1:1]), reduction(max(eps))
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for (i = 1; i < nx - 1; i++)
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for (j = 1; j < ny - 1; j++)
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for (k = 1; k < nz - 1; k++)
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{
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double tmp1 = (a[i][j][k-1] + a[i][j][k+1]) / 2;
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double tmp2 = fabs(a[i][j][k] - tmp1);
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eps = Max(eps, tmp2);
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a[i][j][k] = tmp1;
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}
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}
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#pragma dvm get_actual(eps)
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printf(" IT = %4i EPS = %14.7E\n", it, eps);
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if (eps < maxeps)
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break;
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}
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#ifdef _DVMH
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dvmh_barrier();
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endt = dvmh_wtime();
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#else
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endt = 0;
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#endif
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free(a);
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printf(" ADI Benchmark Completed.\n");
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printf(" Size = %4d x %4d x %4d\n", nx, ny, nz);
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printf(" Iterations = %12d\n", itmax);
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printf(" Time in seconds = %12.2lf\n", endt - startt);
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printf(" Operation type = double precision\n");
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printf(" Verification = %12s\n", (fabs(eps - 0.07249074) < 1e-6 ? "SUCCESSFUL" : "UNSUCCESSFUL"));
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printf(" END OF ADI Benchmark\n");
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return 0;
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}
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#pragma dvm inherit(a)
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void init(double (*a)[ny][nz])
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{
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int i, j, k;
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#pragma dvm region out(a)
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{
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#pragma dvm parallel([i][j][k] on a[i][j][k])
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for (i = 0; i < nx; i++)
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for (j = 0; j < ny; j++)
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for (k = 0; k < nz; k++)
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if (k == 0 || k == nz - 1 || j == 0 || j == ny - 1 || i == 0 || i == nx - 1)
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a[i][j][k] = 10.0 * i / (nx - 1) + 10.0 * j / (ny - 1) + 10.0 * k / (nz - 1);
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else
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a[i][j][k] = 0;
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}
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}
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