openmp/{average_private/src/average_private.cpp → average_atomic/src/average_atomic.cpp} RENAMED
@@ -1,37 +1,38 @@
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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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  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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  std::vector<double> values;
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  double value = 0.0;
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  while (std::cin >> value) {
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  values.push_back(value);
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  }
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  double total_sum = 0.0;
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  #pragma omp parallel num_threads(thread_count) \
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  default(none) shared(values, total_sum)
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  {
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  double my_partial_sum = 0.0;
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  #pragma omp for schedule(runtime)
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  for (size_t index = 0; index < values.size(); ++index) {
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  my_partial_sum += values[index];
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  }
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- #pragma omp critical(can_add)
 
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  total_sum += my_partial_sum;
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  }
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  const double average = values.size() ? total_sum / values.size() : 0.0;
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  std::cout << average << std::endl;
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  }
1
  // 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>
5
 
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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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  std::vector<double> values;
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  double value = 0.0;
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  while (std::cin >> value) {
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  values.push_back(value);
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  }
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  double total_sum = 0.0;
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  #pragma omp parallel num_threads(thread_count) \
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  default(none) shared(values, total_sum)
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  {
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  double my_partial_sum = 0.0;
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  #pragma omp for schedule(runtime)
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  for (size_t index = 0; index < values.size(); ++index) {
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  my_partial_sum += values[index];
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  }
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+ // #pragma omp critical(can_add)
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+ #pragma omp atomic
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  total_sum += my_partial_sum;
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  }
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  const double average = values.size() ? total_sum / values.size() : 0.0;
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  std::cout << average << std::endl;
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  }