AlleSchonWeg/Program.cs

## Program.cs
using ImageSharp;
using System;
using System.Diagnostics;
using System.Drawing;
using System.IO;

namespace ConsoleApp1
{
    class Program
    {
        static void Main(string[] args)
        {
            var sw = new Stopwatch();
            for (int i = 0; i < 50; i++)
            {
                sw.Restart();
                RenderGdi();
                sw.Stop();
                Console.WriteLine("GDI:        " + sw.Elapsed);
                sw.Restart();
                RenderSharp();
                sw.Stop();
                Console.WriteLine("ImageSharp: " + sw.Elapsed);
                Console.WriteLine();
            }
            Console.Read();
        }

        private static void RenderGdi()
        {
            using (var img = new Bitmap(400, 400))
            {
                using (var graphics = Graphics.FromImage(img))
                {
                    graphics.Clear(Color.Black);
                    System.Drawing.Rectangle rect = new System.Drawing.Rectangle(img.Width / 2 - 50, img.Height / 2 - 25, 100, 50);
                    graphics.FillRectangle(Brushes.Red, rect);
                }
            }
        }

        private static void RenderSharp()
        {
            using (var img = new Image<Rgba32>(400, 400))
            {
                img.Fill(Rgba32.Black);
                var sRect = new ImageSharp.Rectangle(img.Width / 2 - 50, img.Height / 2 - 25, 100, 50);
                img.Fill(Rgba32.Red, sRect);
            }
        }
    }
}
	using ImageSharp;
	using System;
	using System.Diagnostics;
	using System.Drawing;
	using System.IO;

	namespace ConsoleApp1
	{
	class Program
	{
	static void Main(string[] args)
	{
	var sw = new Stopwatch();
	for (int i = 0; i < 50; i++)
	{
	sw.Restart();
	RenderGdi();
	sw.Stop();
	Console.WriteLine("GDI: " + sw.Elapsed);
	sw.Restart();
	RenderSharp();
	sw.Stop();
	Console.WriteLine("ImageSharp: " + sw.Elapsed);
	Console.WriteLine();
	}
	Console.Read();
	}

	private static void RenderGdi()
	{
	using (var img = new Bitmap(400, 400))
	{
	using (var graphics = Graphics.FromImage(img))
	{
	graphics.Clear(Color.Black);
	System.Drawing.Rectangle rect = new System.Drawing.Rectangle(img.Width / 2 - 50, img.Height / 2 - 25, 100, 50);
	graphics.FillRectangle(Brushes.Red, rect);
	}
	}
	}

	private static void RenderSharp()
	{
	using (var img = new Image<Rgba32>(400, 400))
	{
	img.Fill(Rgba32.Black);
	var sRect = new ImageSharp.Rectangle(img.Width / 2 - 50, img.Height / 2 - 25, 100, 50);
	img.Fill(Rgba32.Red, sRect);
	}
	}
	}
	}
Method	Mean	Error	StdDev
RenderGdi	767.8 us	36.62 us	107.4 us
RenderSharp	12,655.2 us	238.32 us	199.0 us
Method	Mean	Error	StdDev	Median
RenderGdi	821.2 us	40.64 us	119.18 us	820.2 us
RenderSharp	11,582.6 us	231.40 us	507.92 us	11,672.2 us
RenderSkia	537.4 us	20.81 us	61.05 us	554.0 us