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1 #include <stdio.h>
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131
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2 #include <openacc.h>
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3 #include <gomp-constants.h>
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4
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5 #define N (32*32*32+17)
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6 int main ()
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7 {
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8 int ary[N];
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9 int ix;
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10 int exit = 0;
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11 int ondev = 0;
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12
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13 for (ix = 0; ix < N;ix++)
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14 ary[ix] = -1;
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15
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16 #pragma acc parallel num_workers(32) vector_length(32) copy(ary) copy(ondev)
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17 {
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18 #pragma acc loop worker vector
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19 for (unsigned ix = 0; ix < N; ix++)
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20 {
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21 if (acc_on_device (acc_device_not_host))
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22 {
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23 int g, w, v;
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24
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25 g = __builtin_goacc_parlevel_id (GOMP_DIM_GANG);
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26 w = __builtin_goacc_parlevel_id (GOMP_DIM_WORKER);
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27 v = __builtin_goacc_parlevel_id (GOMP_DIM_VECTOR);
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28 ary[ix] = (g << 16) | (w << 8) | v;
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29 ondev = 1;
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30 }
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31 else
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32 ary[ix] = ix;
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33 }
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34 }
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35
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36 for (ix = 0; ix < N; ix++)
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37 {
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38 int expected = ix;
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39 if(ondev)
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40 {
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41 int g = 0;
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42 int w = (ix / 32) % 32;
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43 int v = ix % 32;
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44
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45 expected = (g << 16) | (w << 8) | v;
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46 }
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47
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48 if (ary[ix] != expected)
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49 {
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50 exit = 1;
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51 printf ("ary[%d]=%x expected %x\n", ix, ary[ix], expected);
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52 }
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53 }
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54
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55 return exit;
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56 }
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