175 lines
4.6 KiB
C
175 lines
4.6 KiB
C
#include <omp.h>
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#include <stdlib.h>
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int a = 1, b = 2, c = 3, d = 4;
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int e[2] = { 5, 6 }, f[2] = { 7, 8 }, g[2] = { 9, 10 }, h[2] = { 11, 12 };
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__attribute__((noinline, noclone)) void
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use (int *k, int *l, int *m, int *n, int *o, int *p, int *q, int *r)
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{
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asm volatile ("" : : "r" (k) : "memory");
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asm volatile ("" : : "r" (l) : "memory");
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asm volatile ("" : : "r" (m) : "memory");
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asm volatile ("" : : "r" (n) : "memory");
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asm volatile ("" : : "r" (o) : "memory");
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asm volatile ("" : : "r" (p) : "memory");
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asm volatile ("" : : "r" (q) : "memory");
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asm volatile ("" : : "r" (r) : "memory");
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}
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#pragma omp declare target to (use)
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int
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main ()
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{
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int err = 0, r = -1, t[4];
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long s[4] = { -1, -2, -3, -4 };
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int j = 13, k = 14, l[2] = { 15, 16 }, m[2] = { 17, 18 };
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#pragma omp target private (a, b, e, f) firstprivate (c, d, g, h) map(from: r, s, t) \
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map(tofrom: err, j, l) map(to: k, m)
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#pragma omp teams num_teams (4) thread_limit (8) private (b, f) firstprivate (d, h, k, m)
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{
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int u1 = k, u2[2] = { m[0], m[1] };
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int u3[64];
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int i;
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for (i = 0; i < 64; i++)
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u3[i] = k + i;
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#pragma omp parallel num_threads (1)
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{
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int v1, v2, v3;
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#pragma omp atomic read
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v1 = c;
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#pragma omp atomic read
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v2 = g[0];
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#pragma omp atomic read
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v3 = g[1];
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if ((v1 < 3 || v1 > 6)
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|| d != 4
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|| (v2 < 9 || v2 > 15 || (v2 & 1) == 0)
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|| (v3 < 10 || v3 > 19 || ((v3 - 10) % 3) != 0)
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|| h[0] != 11 || h[1] != 12 || k != 14 || m[0] != 17 || m[1] != 18)
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#pragma omp atomic write
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err = 1;
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b = omp_get_team_num ();
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if (b >= 4)
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#pragma omp atomic write
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err = 1;
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if (b == 0)
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{
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a = omp_get_num_teams ();
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e[0] = 2 * a;
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e[1] = 3 * a;
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}
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f[0] = 2 * b;
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f[1] = 3 * b;
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#pragma omp atomic update
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c++;
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#pragma omp atomic update
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g[0] += 2;
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#pragma omp atomic update
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g[1] += 3;
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d++;
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h[0] += 2;
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h[1] += 3;
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k += b;
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m[0] += 2 * b;
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m[1] += 3 * b;
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}
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use (&a, &b, &c, &d, e, f, g, h);
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#pragma omp parallel firstprivate (u1, u2)
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{
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int w = omp_get_thread_num ();
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int x = 19;
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int y[2] = { 20, 21 };
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int v = 24;
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int ll[64];
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if (u1 != 14 || u2[0] != 17 || u2[1] != 18)
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#pragma omp atomic write
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err = 1;
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u1 += w;
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u2[0] += 2 * w;
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u2[1] += 3 * w;
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use (&u1, u2, &t[b], l, &k, m, &j, h);
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#pragma omp master
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t[b] = omp_get_num_threads ();
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#pragma omp atomic update
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j++;
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#pragma omp atomic update
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l[0] += 2;
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#pragma omp atomic update
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l[1] += 3;
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#pragma omp atomic update
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k += 4;
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#pragma omp atomic update
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m[0] += 5;
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#pragma omp atomic update
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m[1] += 6;
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x += w;
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y[0] += 2 * w;
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y[1] += 3 * w;
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#pragma omp simd safelen(32) private (v)
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for (i = 0; i < 64; i++)
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{
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v = 3 * i;
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ll[i] = u1 + v * u2[0] + u2[1] + x + y[0] + y[1] + v + h[0] + u3[i];
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}
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#pragma omp barrier
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use (&u1, u2, &t[b], l, &k, m, &x, y);
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if (w < 0 || w > 8 || w != omp_get_thread_num () || u1 != 14 + w
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|| u2[0] != 17 + 2 * w || u2[1] != 18 + 3 * w
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|| x != 19 + w || y[0] != 20 + 2 * w || y[1] != 21 + 3 * w
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|| v != 24)
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#pragma omp atomic write
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err = 1;
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for (i = 0; i < 64; i++)
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if (ll[i] != u1 + 3 * i * u2[0] + u2[1] + x + y[0] + y[1] + 3 * i + 13 + 14 + i)
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#pragma omp atomic write
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err = 1;
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}
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#pragma omp parallel num_threads (1)
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{
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if (b == 0)
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{
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r = a;
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if (a != omp_get_num_teams ()
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|| e[0] != 2 * a
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|| e[1] != 3 * a)
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#pragma omp atomic write
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err = 1;
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}
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int v1, v2, v3;
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#pragma omp atomic read
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v1 = c;
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#pragma omp atomic read
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v2 = g[0];
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#pragma omp atomic read
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v3 = g[1];
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s[b] = v1 * 65536L + v2 * 256L + v3;
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if (d != 5 || h[0] != 13 || h[1] != 15
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|| k != 14 + b + 4 * t[b]
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|| m[0] != 17 + 2 * b + 5 * t[b]
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|| m[1] != 18 + 3 * b + 6 * t[b]
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|| b != omp_get_team_num ()
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|| f[0] != 2 * b || f[1] != 3 * b)
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#pragma omp atomic write
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err = 1;
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}
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}
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if (err != 0) abort ();
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if (r < 1 || r > 4) abort ();
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if (a != 1 || b != 2 || c != 3 || d != 4) abort ();
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if (e[0] != 5 || e[1] != 6 || f[0] != 7 || f[1] != 8) abort ();
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if (g[0] != 9 || g[1] != 10 || h[0] != 11 || h[1] != 12) abort ();
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int i, cnt = 0;
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for (i = 0; i < r; i++)
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if ((s[i] >> 16) < 3 + 1 || (s[i] >> 16) > 3 + 4
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|| ((s[i] >> 8) & 0xff) < 9 + 2 * 1 || ((s[i] >> 8) & 0xff) > 9 + 2 * 4
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|| (s[i] & 0xff) < 10 + 3 * 1 || (s[i] & 0xff) > 10 + 3 * 4
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|| t[i] < 1 || t[i] > 8)
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abort ();
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else
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cnt += t[i];
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if (j != 13 + cnt || l[0] != 15 + 2 * cnt || l[1] != 16 + 3 * cnt) abort ();
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return 0;
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}
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