@@ -1,86 +1,36 @@
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// Copyright 2021 Jeisson Hidalgo <jeisson.hidalgo@ucr.ac.cr> CC-BY 4.0
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#include <omp.h>
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#include <iostream>
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#include <vector>
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void print_mapping(const char* type, const std::vector<int>& mapping);
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int main(int argc, char* argv[]) {
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int thread_count = omp_get_max_threads();
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if (argc >= 2) {
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thread_count = atoi(argv[1]);
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}
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int iteration_count = thread_count;
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if (argc >= 3) {
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iteration_count = atoi(argv[2]);
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}
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int block_size = 0;
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if (argc >= 4) {
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block_size = atoi(argv[3]);
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}
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-
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std::vector<int> mapping(iteration_count);
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#pragma omp parallel num_threads(thread_count) \
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default(none) shared(iteration_count, mapping
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{
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if (block_size == 0) {
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#pragma omp for schedule(static)
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for (int iteration = 0; iteration < iteration_count; ++iteration) {
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mapping[iteration] = omp_get_thread_num();
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}
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#pragma omp single
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-
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-
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#pragma omp for schedule(dynamic)
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for (int iteration = 0; iteration < iteration_count; ++iteration) {
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mapping[iteration] = omp_get_thread_num();
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}
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-
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#pragma omp single
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print_mapping("dynamic ", mapping);
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-
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#pragma omp for schedule(guided)
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for (int iteration = 0; iteration < iteration_count; ++iteration) {
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mapping[iteration] = omp_get_thread_num();
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}
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#pragma omp single
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print_mapping("guided ", mapping);
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} else {
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#pragma omp for schedule(static, block_size)
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for (int iteration = 0; iteration < iteration_count; ++iteration) {
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mapping[iteration] = omp_get_thread_num();
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}
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-
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#pragma omp single
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print_mapping("static,N ", mapping);
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-
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#pragma omp for schedule(dynamic, block_size)
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for (int iteration = 0; iteration < iteration_count; ++iteration) {
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mapping[iteration] = omp_get_thread_num();
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}
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#pragma omp single
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print_mapping("dynamic,N ", mapping);
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-
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#pragma omp for schedule(guided, block_size)
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for (int iteration = 0; iteration < iteration_count; ++iteration) {
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mapping[iteration] = omp_get_thread_num();
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}
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-
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#pragma omp single
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print_mapping("guided,N ", mapping);
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}
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}
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}
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void print_mapping(const char* type, const std::vector<int>& mapping) {
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std::cout << type;
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for (size_t index = 0; index < mapping.size(); ++index) {
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std::cout << mapping[index] << (index == mapping.size() - 1 ? '\n' : ' ');
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}
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}
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// Copyright 2021 Jeisson Hidalgo <jeisson.hidalgo@ucr.ac.cr> CC-BY 4.0
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#include <omp.h>
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#include <iostream>
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#include <vector>
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void print_mapping(const char* type, const std::vector<int>& mapping);
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int main(int argc, char* argv[]) {
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int thread_count = omp_get_max_threads();
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if (argc >= 2) {
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thread_count = atoi(argv[1]);
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}
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int iteration_count = thread_count;
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if (argc >= 3) {
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iteration_count = atoi(argv[2]);
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}
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std::vector<int> mapping(iteration_count);
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#pragma omp parallel for num_threads(thread_count) schedule(runtime) \
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default(none) shared(iteration_count, mapping)
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for (int iteration = 0; iteration < iteration_count; ++iteration) {
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mapping[iteration] = omp_get_thread_num();
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}
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#pragma omp single
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print_mapping("runtime ", mapping);
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}
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void print_mapping(const char* type, const std::vector<int>& mapping) {
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std::cout << type;
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for (size_t index = 0; index < mapping.size(); ++index) {
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std::cout << mapping[index] << (index == mapping.size() - 1 ? '\n' : ' ');
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}
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}
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