[progress Communities] [progress Openedge Abl] Forum Post: Re: Simple Loop Is Slow Compared...

[Matt Baker]

Using C# instead of visual studio and using ilspy to see what this does: This is what the byte code looks like. The compiler converted my while loop to a for loop and removed the increment on the integer. So it becomes a do nothing loop. I suspect if I ran this a few hundred times the JIT would throw out the loop completely. Original version: Using C# instead of visual studio and using ilspy to see what this does: // ConsoleApplication2.Program private static void Main(string[] args) { int i = 0; while (i < 999999999) { i = i + 1; } Console.WriteLine("done"); bytecode version // ConsoleApplication2.Program private static void Main(string[] args) { for (int i = 0; i < 999999999; i++) { } Console.WriteLine("done"); }

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