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  1. using System;
  2. using System.Collections.Generic;
  3. using System.Diagnostics;
  4. using System.Globalization;
  5. using System.Linq;
  6. using System.Text;
  7. using System.Threading.Tasks;
  8.  
  9. namespace Main
  10. {
  11.     sealed class Program 
  12.     {
  13.         static void SomeAction()
  14.         {
  15.             var rand = new Random();
  16.             for (int i = 0; i < 1000; i++)
  17.                 rand.Next();
  18.         }
  19.  
  20.         static void Handle()
  21.         {
  22.             // просто заглушка
  23.         }
  24.  
  25.         static void WithException(int iterations)
  26.         {
  27.             var watch = Stopwatch.StartNew();
  28.  
  29.             try
  30.             {
  31.                 for (int i = 0; i < iterations; i++)
  32.                     SomeAction();
  33.  
  34.                 throw new Exception();
  35.             }
  36.             catch (Exception e)
  37.             {
  38.                 Handle();
  39.             }
  40.  
  41.             watch.Stop();
  42.  
  43.             NumberFormatInfo nfi = (NumberFormatInfo)
  44.             CultureInfo.InvariantCulture.NumberFormat.Clone();
  45.             nfi.NumberGroupSeparator = " ";
  46.  
  47.             Console.WriteLine("with exception {1} iteration {0} ms",  watch.ElapsedMilliseconds, iterations.ToString("n0", nfi));
  48.             Console.WriteLine();
  49.         }
  50.  
  51.         static void WithoutException(int iterations)
  52.         {
  53.             var watch = Stopwatch.StartNew();
  54.             for (int i = 0; i < iterations; i++)
  55.                 SomeAction();
  56.  
  57.             Handle();
  58.  
  59.             watch.Stop();
  60.             NumberFormatInfo nfi = (NumberFormatInfo)
  61.             CultureInfo.InvariantCulture.NumberFormat.Clone();
  62.             nfi.NumberGroupSeparator = " ";
  63.  
  64.             Console.WriteLine("without exception {1} iteration {0} ms", watch.ElapsedMilliseconds, iterations.ToString("n0", nfi));
  65.         }
  66.  
  67.         static void Main(string[] args)
  68.         {
  69.             WithoutException(1); // этот и следующий вызов для "прогрева"
  70.             WithException(1);
  71.  
  72.             WithoutException(1);
  73.             WithException(1);
  74.  
  75.             WithoutException(1000);
  76.             WithException(1000);
  77.  
  78.             WithoutException(100000);
  79.             WithException(100000);
  80.  
  81.             WithoutException(500000);
  82.             WithException(500000);
  83.  
  84.             Console.ReadLine();
  85.         }
  86.     }
  87. }
Time limit exceeded #stdin #stdout 5s 29496KB
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stdin
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Standard input is empty
stdout
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without exception 1 iteration 1 ms
with exception 1 iteration 0 ms

without exception 1 iteration 0 ms
with exception 1 iteration 0 ms

without exception 1 000 iteration 30 ms
with exception 1 000 iteration 30 ms

without exception 100 000 iteration 3062 ms
https://ideone.com/pq87sV
language:
C# (gmcs 5.20.1)
created:
8 years ago
visibility:
public

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