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  1. using System;
  2. using System.Diagnostics;
  3.  
  4. struct Test
  5. {
  6. 	int i;
  7. 	public Test(int i)
  8. 	{
  9. 		this.i = i;
  10. 	}
  11. 	public void Init(int i)
  12. 	{
  13. 		this.i = i;
  14. 	}
  15. }
  16.  
  17. class Program
  18. {
  19. 	static void Main(string[] args)
  20. 	{
  21. 		const int length = 0x1000000;
  22. 		var tests = new Test[length];
  23.  
  24. 		for (var i = 0; i < length; i++)
  25. 			tests[i] = new Test(i);
  26. 		for (var i = 0; i < length; i++)
  27. 			tests[i].Init(i);
  28. 		for (var i = 0; i < length; i++)
  29. 			tests[i] = new Test(i);
  30. 		for (var i = 0; i < length; i++)
  31. 			tests[i].Init(i);
  32.  
  33. 		var s = new Stopwatch();
  34. 		s.Start();
  35. 		for (var j = 0; j < 3; j++)
  36. 			for (var i = 0; i < length; i++)
  37. 				tests[i] = new Test(i);
  38. 		s.Stop();
  39. 		Console.WriteLine(".ctor(): {0}ms", s.ElapsedMilliseconds);
  40. 		s.Start();
  41. 		for (var j = 0; j < 3; j++)
  42. 			for (var i = 0; i < length; i++)
  43. 				tests[i].Init(i);
  44. 		s.Stop();
  45. 		Console.WriteLine("Init(): {0}ms", s.ElapsedMilliseconds);
  46. 	}
  47. }
  48.  
Success #stdin #stdout 0.7s 99584KB
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Standard input is empty
stdout
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.ctor(): 116ms
Init(): 210ms
https://ideone.com/VqwKCq
language:
C# (gmcs 5.20.1)
created:
11 years ago
visibility:
public

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