/**

    Fornux C++ Superset -- Example.

    Outputs:

    Speed: 16043.546433 loops / s; Memory usage: 4552 kilobytes

 */


#include <stdlib.h>
#include <unistd.h>
#include <sys/resource.h>

#include <chrono>
#include <iostream>
#include <iomanip>


using namespace std;
using namespace std::chrono;


struct A
{
    int x;

    int i;
    int j;
};

struct B : virtual A
{
    int k;
    int l;
};

struct C : virtual A
{
    int m;
    int n;
};

struct D : B
{
    int o;
    int p;
};

struct E : C
{
    int o;
    int p;
};

struct list_node : D, E
{
    int q;
    int r;

    list_node * p;
};


int main()
{
    milliseconds before, after;
 
    before = duration_cast<milliseconds>(system_clock::now().time_since_epoch());
    
    for (int i = 0; ; ++ i)
    {
        // cycle
        struct list_node * p = new list_node;
        p->p = new list_node;
        p->p->p = new list_node;
        p->p->p->p = p;
        
        // stats
        after = duration_cast<milliseconds>(system_clock::now().time_since_epoch());
        struct rusage r_usage;
        getrusage(RUSAGE_SELF, & r_usage);
        cout << "\rSpeed: " << setprecision(11) << i * 1000.0 / (after - before).count() << " loops / s; Memory usage: " << r_usage.ru_maxrss << " kilobytes" << flush;
        usleep(1);
    }
 
    return 0;
}