Test Leo Ecs2

Program.cs

using System;
using System.Diagnostics;

namespace Ecs2
{
    internal class Program
    {
        class C1 {
            public float a;
            public float b;
            public float c;
            public float d;
        }

        struct S1 {
            public float a;
            public float b;
            public float c;
            public float d;
        }

        const int EntitiesCount = 100000;
        const int SystemsCount = 50;

        const int TestIterations = 30;
        
        public static void Main(string[] args)
        {
            Test1();
            Test2();
        }
        
       static void Test1 () {
            var world = new Leopotam.Ecs.EcsWorld ();
            var filter = (Leopotam.Ecs.EcsFilter<C1>) world.GetFilter (typeof (Leopotam.Ecs.EcsFilter<C1>));
            for (var i = 0; i < EntitiesCount; i++) {
                world.CreateEntityWith<C1> (out _);
            }
            world.ProcessDelayedUpdates ();
            var sw = new Stopwatch ();
            var result = 0;
            
            for (var testIt = 0; testIt < TestIterations; testIt++) {
                sw.Reset ();
                sw.Start ();
                for (int ii = 0; ii < SystemsCount; ii++) {
                    foreach (var idx in filter) {
                        var c = filter.Components1[idx];
                        c.a += 1f;
                    }
                    world.ProcessDelayedUpdates ();
                }
                sw.Stop ();
                result += sw.Elapsed.Milliseconds;
            }
            world.Dispose ();

            Console.WriteLine("ecs1: " +  (result / (float) TestIterations));
        }

        static void Test2 () {
            var world = new Leopotam.Ecs2.EcsWorld ();
            var filter = (Leopotam.Ecs2.EcsFilter<S1>) world.GetFilter (typeof (Leopotam.Ecs2.EcsFilter<S1>));
            for (var i = 0; i < EntitiesCount; i++) {
                world.NewEntity ().Set<S1> ();
            }
            var sw = new Stopwatch ();
            var result = 0;
            
            for (var testIt = 0; testIt < TestIterations; testIt++) {
                sw.Reset ();
                sw.Start ();
                for (int ii = 0; ii < SystemsCount; ii++) {
                    foreach (var idx in filter) {
                        ref var c = ref filter.Get1 (idx);
                        c.a += 1f;
                    }
                }
                sw.Stop ();
                result += sw.Elapsed.Milliseconds;
            }
            world.Destroy ();

            Console.WriteLine("ecs2: " +  (result / (float) TestIterations));
        }
    }
}