47 lines
702 B
C
47 lines
702 B
C
#include <assert.h>
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#if defined(ACC_DEVICE_TYPE_host)
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#define ACTUAL_GANGS 1
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#else
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#define ACTUAL_GANGS 8
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#endif
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/* Test worker-single, vector-partitioned, gang-redundant mode. */
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int
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main (int argc, char *argv[])
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{
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int n, arr[32], i;
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for (i = 0; i < 32; i++)
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arr[i] = 0;
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n = 0;
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#pragma acc parallel copy(n, arr) num_gangs(ACTUAL_GANGS) num_workers(8) \
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vector_length(32)
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{
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int j;
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#pragma acc atomic
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n++;
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#pragma acc loop vector
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for (j = 0; j < 32; j++)
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{
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#pragma acc atomic
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arr[j] += 1;
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}
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#pragma acc atomic
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n++;
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}
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assert (n == ACTUAL_GANGS * 2);
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for (i = 0; i < 32; i++)
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assert (arr[i] == ACTUAL_GANGS);
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return 0;
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}
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