// Simple test of JIT method compile performance
// JIT and execution is timed for call to  "computeLoop"
//                              --- M. Gallant  01/24/2002

using System;

class DoubleJitMultiply 
{
   public static void Main()  
   {
      double x1, x2, x3=0;
      double xm;

     DateTime dt1 = DateTime.Now;
      for (x1=1; x1<=10000; x1++)
       for(x2=1; x2<=10000; x2++)
        x3 += Math.Sqrt(x1*x2);
     DateTime dt2 = DateTime.Now;
      Console.WriteLine("Final Sum is: " + x3);   // double result
      Console.WriteLine("Tics Difference: " + (dt2.Ticks-dt1.Ticks)/10000000.0 + " seconds") ;

 // --- compare execution time above, with JIT + execution time for computeLoop() below -----
     dt1 = DateTime.Now ;
      xm=computeLoop() ;
     dt2 = DateTime.Now;
      Console.WriteLine("computeLoop Sum is: " + xm);   // double result
      Console.WriteLine("computeLoop call time: " + (dt2.Ticks-dt1.Ticks)/10000000.0 + " seconds") ;
   }

  static double computeLoop() {
    double x1, x2, x3=0;
      for (x1=1; x1<=10000; x1++)
        for(x2=1; x2<=10000; x2++)
          x3 += Math.Sqrt(x1*x2);
      return x3;
  }

}