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https://github.com/autc04/Retro68.git
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74 lines
1.2 KiB
C++
74 lines
1.2 KiB
C++
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#include <omp.h>
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__attribute__((noinline, noclone)) void
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foo (int &b)
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{
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#pragma omp parallel
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#pragma omp single
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{
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bool f = false;
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#pragma omp taskloop firstprivate (b, f)
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for (int i = 0; i < 30; i++)
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{
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int q = omp_get_thread_num ();
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if (!f)
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{
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if (b != 2)
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__builtin_abort ();
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}
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else if (b != 8 * q)
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__builtin_abort ();
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b = 8 * q;
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f = true;
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}
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}
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int n;
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#pragma omp parallel
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#pragma omp single
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{
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bool f = false;
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#pragma omp taskloop firstprivate (f) lastprivate (b, n)
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for (int i = 0; i < 30; i++)
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{
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int q = omp_get_thread_num ();
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if (f && b != 8 * q)
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__builtin_abort ();
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b = 8 * q;
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n = q;
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f = true;
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}
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}
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if (b != 8 * n)
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__builtin_abort ();
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b = 9;
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#pragma omp parallel
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#pragma omp single
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{
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bool f = false;
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#pragma omp taskloop firstprivate (b, f) lastprivate (b, n)
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for (int i = 0; i < 30; i++)
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{
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int q = omp_get_thread_num ();
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if (!f)
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{
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if (b != 9)
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__builtin_abort ();
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}
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else if (b != 11 * q)
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__builtin_abort ();
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b = 11 * q;
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n = q;
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f = true;
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}
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}
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if (b != 11 * n)
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__builtin_abort ();
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}
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int
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main ()
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{
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int b = 2;
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foo (b);
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}
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