26 lines
651 B
C++
26 lines
651 B
C++
#include "async_task.hpp"
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#include <omp.h>
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// async_task computation
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void async_task_omp(unsigned num_threads, size_t num_tasks) {
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omp_set_num_threads(num_threads);
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#pragma omp parallel
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{
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#pragma omp single
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{
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for (size_t i=0; i<num_tasks; i++) {
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#pragma omp task
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func();
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}
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}
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}
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}
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std::chrono::microseconds measure_time_omp(unsigned num_threads, size_t num_tasks) {
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auto beg = std::chrono::high_resolution_clock::now();
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async_task_omp(num_threads, num_tasks);
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auto end = std::chrono::high_resolution_clock::now();
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return std::chrono::duration_cast<std::chrono::microseconds>(end - beg);
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}
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