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32 lines
572 B
C
32 lines
572 B
C
#include <assert.h>
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/* Test of gang-private variables declared on loop directive, with broadcasting
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to partitioned vectors. */
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int
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main (int argc, char* argv[])
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{
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int x = 5, i, arr[32 * 32];
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for (i = 0; i < 32 * 32; i++)
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arr[i] = i;
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#pragma acc kernels copy(arr)
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{
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#pragma acc loop gang(num:32) private(x)
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for (i = 0; i < 32; i++)
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{
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x = i * 2;
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#pragma acc loop vector(length:32)
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for (int j = 0; j < 32; j++)
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arr[i * 32 + j] += x;
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}
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}
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for (i = 0; i < 32 * 32; i++)
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assert (arr[i] == i + (i / 32) * 2);
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return 0;
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}
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