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  1. #include <iostream>
  2. #include <thread>
  3. #include <algorithm>
  4. #include <vector>
  5.  
  6. class markov_chain 
  7. {
  8. public:
  9.     unsigned int length{0}, acceptance{0};
  10.  
  11.     markov_chain(unsigned int l) { length = l; }
  12.     ~markov_chain() {}
  13.  
  14.     void sample(int acc);
  15. };
  16.  
  17. void markov_chain::sample(int acc)
  18. {
  19.     acceptance = acc;
  20. 	std::cout << length << ' ' << acceptance << std::endl;
  21. }
  22.  
  23. int main()  
  24. {
  25.     int number_of_threads{3};
  26.     int number_of_samples{1000};
  27.  
  28.     std::vector<markov_chain> chains;
  29.     std::vector<std::thread> workers;
  30.  
  31.     chains.reserve(number_of_threads);
  32.  
  33.     for (int i = 0; i < number_of_threads; ++i) {
  34.         chains.push_back(markov_chain(number_of_samples));
  35.         workers.push_back(std::thread(&markov_chain::sample, &chains[i], 99));
  36.     }
  37.  
  38.     for(auto &t : workers) {
  39.         t.join();
  40.     }
  41.  
  42.     for (auto &c : chains) {
  43.         std::cout << c.length << ' ' << c.acceptance << std::endl;
  44.     }
  45.  
  46.     return 0;
  47. }
Success #stdin #stdout 0s 5364KB
comments ()
stdin 
Standard input is empty
stdout 
1000 99
1000 99
1000 99
1000 99
1000 99
1000 99
https://ideone.com/5Uu0Gh
language:
C++ 4.3.2 (gcc-4.3.2)
created:
3 years ago
visibility:
public

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