Compare the memory allocation performance of vector vs array in C++

Vector_vs_Array.cpp

// Example program
#include <iostream>
#include <string>
#include <vector>
#include <sys/time.h>

class Widget{
    public:
    int id;
    Widget(){
       // std::cout << "Test\n";
    }
    Widget& operator=(Widget other){
        std::swap(id, other.id);
        //        std::cout << "copy assignment "<< id <<"\n";
        return *this;
    }
    Widget(int i){
        id = i;
        //std::cout << "Start " << id << "\n";
    }
    Widget(const Widget &other){
        id = other.id;
        //std::cout <<"copy construct " <<id<<"\n";
    }
    ~Widget(){
       // std::cout << "Kill " << id << "\n";
    }
};

int main()
{
        timeval t1;
    gettimeofday(&t1, nullptr);
    
   /*Widget t(100);
    Widget a = t;
    std::cout << "end\n";*/
    
/*
    std::vector<Widget> x(1000000);
    for(int i = 0; i< 1000000; i++){
        //x.push_back(Widget(i));
        x[i] = Widget(i);
       // std::cout << "pushed\n";
    }
  */  
    
    
   Widget *w = new Widget[1000000];
       for(int i = 0; i< 1000000; i++){
           w[i] = Widget(i);
       }
   
   
   
    timeval t2;
    gettimeofday(&t2, nullptr);
    std::cout << t2.tv_sec - t1.tv_sec << " " << t2.tv_usec - t1.tv_usec <<"\n";
   
   
  
}