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  1.  
  2. #include <iostream>
  3. #include <vector>
  4. #include <string>
  5. #include <chrono>
  6. using namespace std;
  7.  
  8.  
  9. class MyObject {
  10. public:
  11. 	MyObject(string Str) : m_Str(Str) { }
  12.  
  13. 	string m_Str;
  14. };
  15.  
  16. int main() {
  17. 	chrono::time_point<chrono::system_clock> tstart, tend;
  18. 	chrono::duration<double> tt;
  19.  
  20.  
  21.  
  22.  
  23.  
  24.  
  25. 	tstart = chrono::system_clock::now();
  26.  
  27. 	vector<MyObject> VectorOfObjects;
  28. 	for (int i=0; i<10000; i++) {
  29. 		MyObject x("test");
  30. 		VectorOfObjects.push_back(x);
  31. 	}
  32.  
  33. 	tend = chrono::system_clock::now();
  34. 	tt = tend-tstart;
  35. 	cout << "Pushback Object: " << tt.count()*1000 << " Milliseconds\n" << endl;
  36.  
  37.  
  38.  
  39.  
  40.  
  41.  
  42.  
  43. 	tstart = chrono::system_clock::now();
  44.  
  45. 	vector<MyObject *> VectorOfPointers;
  46. 	for (int i=0; i<10000; i++) {
  47. 		VectorOfPointers.push_back(new MyObject("test"));
  48. 	}
  49.  
  50. 	tend = chrono::system_clock::now();
  51. 	tt = tend-tstart;
  52. 	cout << "Pushback Pointers: " << tt.count()*1000 << " Milliseconds\n" << endl;
  53.  
  54.  
  55.  
  56. 	return 0;
  57. }
  58.  
  59.  
  60.  
Success #stdin #stdout 0s 4144KB
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stdin
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Standard input is empty
stdout
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Pushback Object: 1.82652 Milliseconds

Pushback Pointers: 2.41375 Milliseconds
https://ideone.com/Cc7B4j
language:
C++14 (gcc 8.3)
created:
9 years ago
visibility:
public

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