using System;

using System.Diagnostics;

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public class Program {

    class TimedAction {

        string name;

        Action action;

​

        ulong iterations = 0;

        Stopwatch watch = new();

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        public TimedAction(string name, Action action) {

            this.name = name;

            this.action = action;

        }

​

        public void Exec() {

            watch.Start();

            action();

            watch.Stop();

        }

​

        public void PrintStats() {

            var elapsed = Math.Floor(watch.ElapsedTicks / (double)(Stopwatch.Frequency / (1000 * 10))) / 10;

            //var elapsed = watch.ElapsedTicks / (Stopwatch.Frequency/1000);

            Console.WriteLine($"\t{name}: {elapsed}ms");

        }

    }

​

    static void TimeActions(ulong iterations, TimedAction[] actions) {

        var iterations_left = iterations;

        while (iterations_left != 0) {

            foreach (var action in actions) {

                action.Exec();

            }

            --iterations_left;

        }

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        Console.WriteLine($"Benchmarking {iterations} iterations...\n");

        Console.WriteLine($"elapsed runtime:");

        foreach (var action in actions) {

            action.PrintStats();

        }

    }

    class TestObjectGetter {

        public float Radius { get; set; }

        public float RadiusSq => Radius * Radius;

    };

​

    class TestObjectCached {

        private float _radius;

        private float _radius_sq;

        public float Radius {

            get => _radius;

            set {

                _radius = value;

                _radius_sq = value * value;

            }

        }

        public float RadiusSq => _radius_sq;

    };

​

    public static void Main() {

        var test_a = new TestObjectGetter();

        var test_b = new TestObjectCached();

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        test_a.Radius = 5.5f;

        test_b.Radius = 5.5f;

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        var total_a = 0.0;

        var total_b = 0.0;

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        var actions = new[] {

            new TimedAction("getter", () => {

                total_a += test_a.RadiusSq;

            }),

            new TimedAction("cached", () => {

                total_b += test_b.RadiusSq;

            }),

        };

        TimeActions(10*1000000, actions);

    }

}

​