main.cpp

简单的 Discrete Event Simulator M/M/K/K queue 含Readme。 可在此基础上开发复杂的仿真程序 请用 tar -xzvf sim.tar.gz 解压

#include <iostream>
#include "rv.h"
#include "event.h"

#include "queuemmmk.h"

// Simulates an M/M/m/K queueing system.  The simulation terminates
// once 100000 customers depart from the system.
int main()
{
      using namespace std;
      EventList Elist;                // Create event list
      enum {ARR,DEP};                 // Define the event types

//      double lambda;            			// Arrival rate
//      double mu = 1.0;                // Service rate

      int m = 4;					// Number of servers
      int K = 10;					// Number of system capacity

      QueueMMmK   queue(m,K);

      queue.mu = 2.0;               // service rate
      cout << "rho\tave_size\texp_size\tave_time\texp_time\tave_blocking\texp_blocking" << endl;
      for (queue.lambda = 0.8; queue.lambda<8; queue.lambda+=0.8)             // arrival rate
      {
          queue.simulate(500000);
          cout <<   queue.rho() << "\t"
          << queue.ave_size() << "\t" << queue.exp_size() << "\t"
          << queue.ave_time() << "\t" << queue.exp_time() << "\t"
          << queue.blocking() << "\t" << queue.exp_blocking() << endl;
      }

}