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  1. using System;
  2. using System.Diagnostics;
  3.  
  4. static class SClass
  5. {
  6.     public static void StatClassCall(ref long used_var)
  7.     {
  8.         used_var++;
  9.     }
  10. }
  11.  
  12. internal interface IProgram
  13. {
  14.     void Interface(ref long used_var);
  15. }
  16.  
  17. internal class Base
  18. {
  19.     public virtual void Virtual(ref long used_var)
  20.     {
  21.         used_var += 2;
  22.     }
  23. }
  24.  
  25. internal class Program : Base, IProgram
  26. {
  27.     const long N = 100500000;
  28.     static void Static(ref long used_var)
  29.     {
  30.         used_var++;
  31.     }
  32.     void NonStatic(ref long used_var)
  33.     {
  34.         used_var++;
  35.     }
  36.     public override void Virtual(ref long used_var)
  37.     {
  38.         used_var++;
  39.     }
  40.  
  41.     public void Interface(ref long used_var)
  42.     {
  43.         used_var++;
  44.     }
  45.  
  46.     private static void Main(string[] args)
  47.     {
  48.         var prog = new Program();
  49.         long result = N;
  50.         SClass.StatClassCall(ref result); // create class
  51.  
  52.         Console.WriteLine("Not static: {0}", prog.NonStaticCall(ref result));
  53.         Console.WriteLine("Virtual: {0}", prog.VirtCall(ref result));
  54.         Console.WriteLine("Interface Call: {0}", prog.InterfaceCall(ref result));
  55.         Console.WriteLine("Static:     {0}", prog.StaticCall(ref result));
  56.         Console.WriteLine("NNNs - {0}, {1}", result, 0);
  57.         //Console.ReadKey();
  58.     }
  59.  
  60.     TimeSpan StaticCall(ref long res)
  61.     {
  62.         var sw = new Stopwatch();
  63.         sw.Start();
  64.         for (var i = N; i > 0; i--)
  65.             Static(ref res);
  66.         sw.Stop();
  67.         return sw.Elapsed;
  68.     }
  69.  
  70.     TimeSpan NonStaticCall(ref long res)
  71.     {
  72.         var sw = new Stopwatch();
  73.         sw.Start();
  74.         for (var i = N; i > 0; i--)
  75.             NonStatic(ref res);
  76.         sw.Stop();
  77.         return sw.Elapsed;
  78.     }
  79.  
  80.     TimeSpan VirtCall(ref long res)
  81.     {
  82.         var sw = new Stopwatch();
  83.         sw.Start();
  84.         for (var i = N; i > 0; i--)
  85.             Virtual(ref res);
  86.         sw.Stop();
  87.         return sw.Elapsed;
  88.     }
  89.  
  90.     TimeSpan StatClassCall(ref long res)
  91.     {
  92.         var sw = new Stopwatch();
  93.         sw.Start();
  94.         for (var i = N; i > 0; i--)
  95.             SClass.StatClassCall(ref res);
  96.         sw.Stop();
  97.         return sw.Elapsed;
  98.     }
  99.  
  100.     TimeSpan InterfaceCall(ref long res)
  101.     {
  102.         var sw = new Stopwatch();
  103.         sw.Start();
  104.         for (var i = N; i > 0; i--)
  105.             Interface(ref res);
  106.         sw.Stop();
  107.         return sw.Elapsed;
  108.     }
  109.  
  110. }
Success #stdin #stdout 0.76s 131520KB
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stdin
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Standard input is empty
stdout
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Not static: 00:00:00.1811481
Virtual: 00:00:00.2084212
Interface Call: 00:00:00.1812678
Static:     00:00:00.1848647
NNNs - 502500001, 0
https://ideone.com/qTPeHC
language:
C# (gmcs 5.20.1)
created:
4 years ago
visibility:
public

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