| 1 | // RUN: %libomp-compile |
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| 2 | // RUN: env OMP_NUM_THREADS=1 LIBOMP_USE_HIDDEN_HELPER_TASK=1 \ |
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| 3 | // RUN: LIBOMP_NUM_HIDDEN_HELPER_THREADS=8 %libomp-run |
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| 4 | |
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| 5 | #include <stdio.h> |
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| 6 | #include <stdlib.h> |
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| 7 | #include <omp.h> |
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| 8 | |
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| 9 | #define Nz 8 |
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| 10 | #define DEVICE_ID 0 |
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| 11 | |
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| 12 | int a[Nz]; |
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| 13 | |
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| 14 | int main(void) { |
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| 15 | for (int n = 0; n < 10; ++n) { |
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| 16 | for (int k = 0; k < Nz; ++k) { |
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| 17 | a[k] = -1; |
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| 18 | } |
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| 19 | #pragma omp parallel shared(a) |
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| 20 | { |
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| 21 | #pragma omp single |
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| 22 | { |
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| 23 | #pragma omp target teams distribute parallel for nowait device(DEVICE_ID) \ |
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| 24 | map(tofrom : a[0 : 8]) |
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| 25 | for (int i = 0; i < Nz; ++i) { |
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| 26 | a[i] = i; |
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| 27 | } |
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| 28 | } |
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| 29 | #pragma omp barrier |
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| 30 | } |
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| 31 | for (int k = 0; k < Nz; ++k) { |
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| 32 | printf(format: "a[%d] = %d\n" , k, a[k]); |
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| 33 | } |
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| 34 | } |
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| 35 | return 0; |
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| 36 | } |
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| 37 | |
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