2019-11-29-C#-性能分析-反射-VS-配置文件-VS-预编译

namespace LecuryouWuruhempa
{
    [CelkaturjairQelofe]
    class 类名
    {
        public string Foo { get; set; }
    }
}

using BenchmarkDotNet.Running;

    public class Program
    {
        static void Main(string[] args)
        {
            BenchmarkRunner.Run<SawstoJouweaxo>();

        }
    }

        private static void ReecelnaxeaDrasilouhalLaigeci()
        {
            var terebawbemTitirear = new WhairchooHerdo();

            List<string> direhelXideNa = new List<string>();

            var jisqeCorenerairTurpalhee = new DirectoryInfo("MerelihikeLouseafoopu");

            jisqeCorenerairTurpalhee.Create();

            for (int i = 0; i < 1000; i++)
            {
                var pereviCirsir = terebawbemTitirear.LemgeDowbovou();

                direhelXideNa.Add(pereviCirsir);

                var nemhaSibemnoosa = $@"
using System;
using System.Collections.Generic;
using System.Text;

namespace LecuryouWuruhempa
{{
    [CelkaturjairQelofe]
    class {pereviCirsir}
    {{
        public string Foo {{ get; set; }}
    }}
}}";



                File.WriteAllText(Path.Combine(jisqeCorenerairTurpalhee.FullName, pereviCirsir + ".cs"), nemhaSibemnoosa);
            }

            var celkaturjairQelofeAttribute = @"using System;

namespace LecuryouWuruhempa
{
    class CelkaturjairQelofeAttribute : Attribute
    {

    }
}";
            File.WriteAllText(Path.Combine(jisqeCorenerairTurpalhee.FullName, "CelkaturjairQelofeAttribute.cs"), celkaturjairQelofeAttribute);



            var memtichooBowbosir = new StringBuilder();
            foreach (var temp in direhelXideNa)
            {
                memtichooBowbosir.Append($"            _jooyiSouse.Add(new {temp}());\r\n");
            }

            var sowastowVaiyoujall = $@"
        [Benchmark(Baseline = true, Description = ""预编译"")]
        public void WeejujeGaljouPemhu()
        {{
            _jooyiSouse.Clear();

{memtichooBowbosir.ToString()}
        }}
";

            memtichooBowbosir.Clear();
            memtichooBowbosir.Append($@"             List<string> jeesareMewheehowBistawHorbatall = new List<string>()
            {{
                ");
           

            foreach (var temp in direhelXideNa)
            {
                memtichooBowbosir.Append($"\"{temp}\", ");
                memtichooBowbosir.Append("\r\n");
            }

            memtichooBowbosir.Append("            };");
            

            var sifurDassalcha = $@"
        [Benchmark(Description = ""配置文件"")]
        public void KonejoDewee()
        {{
            Type cajeceKisorkeBairdi;

            ConstructorInfo wimoDasrugowfo;
            object relrorlelJosurpo;
            _jooyiSouse.Clear();

{memtichooBowbosir.ToString()}

            foreach (var temp in jeesareMewheehowBistawHorbatall)
            {{
                cajeceKisorkeBairdi = Type.GetType(""LecuryouWuruhempa."" + temp);
                wimoDasrugowfo = cajeceKisorkeBairdi.GetConstructor(Type.EmptyTypes);
                relrorlelJosurpo = wimoDasrugowfo.Invoke(null);
                _jooyiSouse.Add(relrorlelJosurpo);
 
            }}

        }}";

            var stoomairHem = @"
        [Benchmark(Description = ""反射"")]
        public void TirjeTuxemsowwherLaralJunoo()
        {
            _jooyiSouse.Clear();

            var bermartaPallnirhi = Assembly.GetExecutingAssembly();

            foreach (var temp in bermartaPallnirhi.GetTypes())
            {
                var wimoDasrugowfo = temp.GetConstructor(Type.EmptyTypes);
                var relrorlelJosurpo = wimoDasrugowfo.Invoke(null);
                _jooyiSouse.Add(relrorlelJosurpo);
            }
        }";

            stoomairHem = "";

            memtichooBowbosir.Clear();

            memtichooBowbosir.Append(@"            List<Func<object>> lairchurBirchalrotro = new List<Func<object>>()
            {
");

            foreach (var temp in direhelXideNa)
            {
                memtichooBowbosir.Append($"                () => new {temp}(),");
                memtichooBowbosir.Append("\r\n");
            }

            memtichooBowbosir.Append("            };");

            stoomairHem = $@"
         [Benchmark(Description = ""委托创建"")]
         public void LemjobesuDijisleci()
        {{

            _jooyiSouse.Clear();

{memtichooBowbosir.ToString()}

             foreach (var temp in lairchurBirchalrotro)
            {{
                _jooyiSouse.Add(temp());
            }}
        }}";


            var drairdreBibearnou = @"
        [Benchmark(Description = ""反射特定的类"")]
        public void SasesoJirkoukistiCowqu()
        {
            _jooyiSouse.Clear();

            var bermartaPallnirhi = Assembly.GetExecutingAssembly();

            foreach (var temp in bermartaPallnirhi.GetTypes().Where(temp=> temp.GetCustomAttribute<CelkaturjairQelofeAttribute>() != null))
            {
                var wimoDasrugowfo = temp.GetConstructor(Type.EmptyTypes);
                var relrorlelJosurpo = wimoDasrugowfo.Invoke(null);
                _jooyiSouse.Add(relrorlelJosurpo);
            }
        }";


            var whelvejawTinaw = $@"using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Runtime.CompilerServices;
using System.Reflection;
using System.Threading.Tasks;
using BenchmarkDotNet.Attributes;

namespace LecuryouWuruhempa
{{
    public class SawstoJouweaxo
    {{

{sowastowVaiyoujall}

{sifurDassalcha}

{stoomairHem}

{drairdreBibearnou}

        private List<object> _jooyiSouse = new List<object>();

    }}
}}";

            File.WriteAllText(Path.Combine(jisqeCorenerairTurpalhee.FullName, "SawstoJouweaxo.cs"), whelvejawTinaw);
        }