additional benchmark

jilvsutf8json.cs

using System;
using System.Collections.Generic;
using System.Text;
using Utf8Json;
using Jil;
using BenchmarkDotNet.Attributes;
using BenchmarkDotNet.Running;
using BenchmarkDotNet.Attributes.Jobs;

namespace PerfBenchmark
{
    public struct MyModel
    {
        public string X { get; set; }
        public string Y { get; set; }
        public int Z { get; set; }
    }
    public class JsonSerializeBench
    {
        [Params(1, 10000)]
        public int LoopNum { get; set; }

        static string json;
        static byte[] jsonBytes;

        public JsonSerializeBench()
        {
            var m = new MyModel();
            m.X = $"abcdefg";
            m.Y = $"@aiweraw";
            m.Z = int.MaxValue;
            json = Jil.JSON.Serialize(m);
            jsonBytes = Encoding.UTF8.GetBytes(json);
        }

        [Benchmark]
        public void JilSerialize_String()
        {
            var m = new MyModel();
            m.X = $"abcdefg";
            m.Y = $"@aiweraw";
            m.Z = int.MaxValue;
            for (int i = 0; i < LoopNum; i++)
            {
                Jil.JSON.Serialize(m);
            }
        }
        [Benchmark]
        public void JilSerialize_String_UTf8()
        {
            var m = new MyModel();
            m.X = $"abcdefg";
            m.Y = $"@aiweraw";
            m.Z = int.MaxValue;
            for (int i = 0; i < LoopNum; i++)
            {
                Encoding.UTF8.GetBytes(Jil.JSON.Serialize(m));
            }
        }
        [Benchmark]
        public void Utf8JsonSerialize()
        {
            var m = new MyModel();
            m.X = $"abcdefg";
            m.Y = $"@aiweraw";
            m.Z = int.MaxValue;
            for (int i = 0; i < LoopNum; i++)
            {
                Utf8Json.JsonSerializer.Serialize(m);
            }
        }
        [Benchmark]
        public void JilJsonDeserialize_String()
        {
            for (int i = 0; i < LoopNum; i++)
            {
                Jil.JSON.Deserialize<MyModel>(json);
            }
        }
        [Benchmark]
        public void JilJsonDeserialize_Utf8()
        {
            for (int i = 0; i < LoopNum; i++)
            {
                Jil.JSON.Deserialize<MyModel>(Encoding.UTF8.GetString(jsonBytes));
            }
        }
        [Benchmark]
        public void Utf8JsonDeserialize()
        {
            for (int i = 0; i < LoopNum; i++)
            {
                Utf8Json.JsonSerializer.Deserialize<MyModel>(jsonBytes);
            }
        }
    }
}

BenchmarkDotNet=v0.10.9, OS=Windows 10 Redstone 2 (10.0.15063)
Processor=Intel Core i7-6700K CPU 4.00GHz (Skylake), ProcessorCount=8
Frequency=3914059 Hz, Resolution=255.4893 ns, Timer=TSC
.NET Core SDK=2.0.0
  [Host]     : .NET Core 2.0.0 (Framework 4.6.00001.0), 64bit RyuJIT
  DefaultJob : .NET Core 2.0.0 (Framework 4.6.00001.0), 64bit RyuJIT

Method	LoopNum	Mean	Error	StdDev
JilSerialize_String	1	301.6 ns	6.029 ns	10.237 ns
JilSerialize_String_UTf8	1	356.8 ns	7.131 ns	7.323 ns
Utf8JsonSerialize	1	153.1 ns	1.726 ns	1.614 ns
JilJsonDeserialize_String	1	285.8 ns	3.786 ns	3.541 ns
JilJsonDeserialize_Utf8	1	332.8 ns	4.157 ns	3.889 ns
Utf8JsonDeserialize	1	267.5 ns	3.077 ns	2.878 ns
JilSerialize_String	10000	2,813,001.0 ns	53,703.438 ns	55,149.472 ns
JilSerialize_String_UTf8	10000	3,464,489.1 ns	37,125.605 ns	34,727.311 ns
Utf8JsonSerialize	10000	1,446,431.1 ns	19,472.401 ns	18,214.495 ns
JilJsonDeserialize_String	10000	2,800,063.8 ns	28,338.320 ns	26,507.680 ns
JilJsonDeserialize_Utf8	10000	3,284,278.1 ns	58,104.968 ns	51,508.536 ns
Utf8JsonDeserialize	10000	2,614,713.8 ns	51,724.868 ns	48,383.469 ns