47 lines
583 B
C
47 lines
583 B
C
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#if ACC_DEVICE_TYPE_nvidia
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#pragma acc routine nohost
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static int clock (void)
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{
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int thetime;
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asm __volatile__ ("mov.u32 %0, %%clock;" : "=r"(thetime));
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return thetime;
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}
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#endif
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void
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delay (unsigned long *d_o, unsigned long delay)
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{
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int start, ticks;
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start = clock ();
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ticks = 0;
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while (ticks < delay)
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ticks = clock () - start;
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return;
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}
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void
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delay2 (unsigned long *d_o, unsigned long delay, unsigned long tid)
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{
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int start, ticks;
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start = clock ();
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ticks = 0;
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while (ticks < delay)
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ticks = clock () - start;
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d_o[0] = tid;
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return;
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}
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