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Perf.Basic.cs
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Perf.Basic.cs
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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.Buffers;
using BenchmarkDotNet.Attributes;
using MicroBenchmarks;
namespace System.Text.Json.Tests
{
[BenchmarkCategory(Categories.CoreFX, Categories.JSON)]
public class Perf_Basic
{
private static readonly byte[] ExtraArrayUtf8 = Encoding.UTF8.GetBytes("ExtraArray");
private static readonly byte[] FirstUtf8 = Encoding.UTF8.GetBytes("first");
private static readonly byte[] LastUtf8 = Encoding.UTF8.GetBytes("last");
private static readonly byte[] AgeUtf8 = Encoding.UTF8.GetBytes("age");
private static readonly byte[] PhoneNumbersUtf8 = Encoding.UTF8.GetBytes("phoneNumbers");
private static readonly byte[] AddressUtf8 = Encoding.UTF8.GetBytes("address");
private static readonly byte[] StreetUtf8 = Encoding.UTF8.GetBytes("street");
private static readonly byte[] CityUtf8 = Encoding.UTF8.GetBytes("city");
private static readonly byte[] ZipUtf8 = Encoding.UTF8.GetBytes("zip");
private ArrayBufferWriter<byte> _arrayBufferWriter;
private int[] _numberArrayValues;
[Params(true, false)]
public bool Formatted;
[Params(true, false)]
public bool SkipValidation;
[Params(10, 100_000)]
public int DataSize;
[GlobalSetup]
public void Setup()
{
_arrayBufferWriter = new ArrayBufferWriter<byte>();
var random = new Random(42);
_numberArrayValues = new int[DataSize];
for (int i = 0; i < DataSize; i++)
{
_numberArrayValues[i] = random.Next(-10000, 10000);
}
}
[Benchmark]
public void WriteBasicUtf8()
{
_arrayBufferWriter.Clear();
using (var json = new Utf8JsonWriter(_arrayBufferWriter, new JsonWriterOptions { Indented = Formatted, SkipValidation = SkipValidation }))
{
json.WriteStartObject();
json.WriteNumber(AgeUtf8, 42);
json.WriteString(FirstUtf8, "John");
json.WriteString(LastUtf8, "Smith");
json.WriteStartArray(PhoneNumbersUtf8);
json.WriteStringValue("425-000-1212");
json.WriteStringValue("425-000-1213");
json.WriteEndArray();
json.WriteStartObject(AddressUtf8);
json.WriteString(StreetUtf8, "1 Microsoft Way");
json.WriteString(CityUtf8, "Redmond");
json.WriteNumber(ZipUtf8, 98052);
json.WriteEndObject();
json.WriteStartArray(ExtraArrayUtf8);
for (int i = 0; i < DataSize; i++)
{
json.WriteNumberValue(_numberArrayValues[i]);
}
json.WriteEndArray();
json.WriteEndObject();
json.Flush();
}
}
[Benchmark]
public void WriteBasicUtf16()
{
_arrayBufferWriter.Clear();
using (var json = new Utf8JsonWriter(_arrayBufferWriter, new JsonWriterOptions { Indented = Formatted, SkipValidation = SkipValidation }))
{
json.WriteStartObject();
json.WriteNumber("age", 42);
json.WriteString("first", "John");
json.WriteString("last", "Smith");
json.WriteStartArray("phoneNumbers");
json.WriteStringValue("425-000-1212");
json.WriteStringValue("425-000-1213");
json.WriteEndArray();
json.WriteStartObject("address");
json.WriteString("street", "1 Microsoft Way");
json.WriteString("city", "Redmond");
json.WriteNumber("zip", 98052);
json.WriteEndObject();
json.WriteStartArray("ExtraArray");
for (int i = 0; i < DataSize; i++)
{
json.WriteNumberValue(_numberArrayValues[i]);
}
json.WriteEndArray();
json.WriteEndObject();
json.Flush();
}
}
}
}