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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
//
using System;
using System.IO;
using System.Runtime.CompilerServices;
using System.Runtime.Serialization;
using System.Runtime.Serialization.Json;
using Newtonsoft.Json.Bson;
using Microsoft.Xunit.Performance;
[assembly: OptimizeForBenchmarks]
namespace Serialization
{
public class JsonBenchmarks
{
#if DEBUG
public const int Iterations = 1;
#else
public const int Iterations = 75000;
#endif
static volatile object VolatileObject;
[MethodImpl(MethodImplOptions.NoInlining)]
static void Escape(object obj) {
VolatileObject = obj;
}
[DataContract]
public class TestObject
{
[DataMember]
public int Id { get; set; }
[DataMember]
public string Name { get; set; }
[DataMember]
public double[] Results { get; set; }
[DataMember]
public DateTime WhenRun { get; set; }
public static TestObject New()
{
TestObject t = new TestObject();
t.Id = 33;
t.Name = "SqMtx";
t.Results = new double[] { 101.3, 99.8, 99.6, 100.4 };
t.WhenRun = DateTime.Parse("Jan 1, 2015 8:00 GMT");
return t;
}
}
private bool Serialize()
{
bool result = true;
SerializeObject();
return result;
}
private void SerializeObject()
{
SerializeDataContractBench();
SerializeDataContractJsonBench();
SerializeJsonNetBinaryBench();
SerializeJsonNetBench();
}
[Benchmark]
private void SerializeDataContract()
{
foreach (var iteration in Benchmark.Iterations) {
using (iteration.StartMeasurement()) {
SerializeDataContractBench();
}
}
}
private void SerializeDataContractBench() {
TestObject t = TestObject.New();
MemoryStream ms = new MemoryStream();
SerializeDataContractBenchInner(t, ms);
}
private void SerializeDataContractBenchInner(object o, MemoryStream ms)
{
for (int i = 0; i < Iterations; i++)
{
var s = new DataContractSerializer(o.GetType());
s.WriteObject(ms, o);
Escape(ms);
ms.Flush();
}
}
[Benchmark]
private void SerializeDataContractJson()
{
foreach (var iteration in Benchmark.Iterations) {
using (iteration.StartMeasurement()) {
SerializeDataContractJsonBench();
}
}
}
private void SerializeDataContractJsonBench()
{
TestObject t = TestObject.New();
MemoryStream ms = new MemoryStream();
SerializeDataContractJsonBenchInner(t, ms);
}
private void SerializeDataContractJsonBenchInner(object o, MemoryStream ms)
{
for (int i = 0; i < Iterations; i++)
{
var s = new DataContractJsonSerializer(o.GetType());
s.WriteObject(ms, o);
Escape(ms);
ms.Flush();
}
}
[Benchmark]
private void SerializeJsonNetBinary()
{
foreach (var iteration in Benchmark.Iterations) {
using (iteration.StartMeasurement()) {
SerializeJsonNetBinaryBench();
}
}
}
private void SerializeJsonNetBinaryBench()
{
TestObject t = TestObject.New();
MemoryStream ms = new MemoryStream();
SerializeJsonNetBinaryBenchInner(t, ms);
}
private void SerializeJsonNetBinaryBenchInner(object o, MemoryStream ms)
{
for (int i = 0; i < Iterations; i++)
{
var s = new Newtonsoft.Json.JsonSerializer();
var w = new BsonWriter(ms);
s.Serialize(w, o);
Escape(w);
w.Flush();
}
}
[Benchmark]
private void SerializeJsonNet()
{
foreach (var iteration in Benchmark.Iterations) {
using (iteration.StartMeasurement()) {
SerializeJsonNetBench();
}
}
}
private void SerializeJsonNetBench()
{
TestObject t = TestObject.New();
SerializeJsonNetBenchInner(t);
}
private void SerializeJsonNetBenchInner(object o)
{
for (int i = 0; i < Iterations; i++)
{
var s = Newtonsoft.Json.JsonConvert.SerializeObject(o);
Escape(s);
}
}
public static int Main() {
var tests = new JsonBenchmarks();
bool result = tests.Serialize();
return result ? 100 : -1;
}
}
}
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