138 lines
4.9 KiB
C#
138 lines
4.9 KiB
C#
using System.Text;
|
|
using System.Text.Json;
|
|
using BenchmarkDotNet.Attributes;
|
|
using BenchmarkDotNet.Running;
|
|
using Newtonsoft.Json;
|
|
using Newtonsoft.Json.Linq;
|
|
|
|
namespace PettingZoo.Benchmark
|
|
{
|
|
/*
|
|
|
|
|
|
Small JSON
|
|
|
|
|
|
| Method | Mean | Error | StdDev | Gen 0 | Allocated |
|
|
|----------------- |----------:|----------:|----------:|-------:|----------:|
|
|
| TestJsonConvert | 13.226 us | 0.1808 us | 0.1603 us | 3.6316 | 15 KB |
|
|
| TestJTokenParse | 12.360 us | 0.2453 us | 0.5010 us | 3.6011 | 15 KB |
|
|
| TestReaderWriter | 6.398 us | 0.1260 us | 0.1294 us | 2.0294 | 8 KB |
|
|
| TestJsonDocument | 4.400 us | 0.0758 us | 0.0902 us | 2.1019 | 9 KB |
|
|
|
|
|
|
|
|
Large JSON (25 MB)
|
|
|
|
| Method | Mean | Error | StdDev | Gen 0 | Gen 1 | Gen 2 | Allocated |
|
|
|----------------- |-----------:|---------:|---------:|-----------:|-----------:|----------:|----------:|
|
|
| TestJsonConvert | 1,331.6 ms | 20.36 ms | 19.05 ms | 57000.0000 | 21000.0000 | 3000.0000 | 390 MB |
|
|
| TestJTokenParse | 1,411.0 ms | 27.28 ms | 24.18 ms | 62000.0000 | 23000.0000 | 4000.0000 | 415 MB |
|
|
| TestReaderWriter | 298.6 ms | 5.89 ms | 9.34 ms | 25000.0000 | 8000.0000 | 2000.0000 | 199 MB |
|
|
| TestJsonDocument | 278.5 ms | 5.29 ms | 6.30 ms | - | - | - | 246 MB |
|
|
|
|
|
|
*/
|
|
[MemoryDiagnoser]
|
|
public class JsonPrettyPrint
|
|
{
|
|
// Small Json file, which is likely to be typical for most RabbitMQ messages.
|
|
private const string Json = "{\"glossary\":{\"title\":\"example glossary\",\"GlossDiv\":{\"title\":\"S\",\"GlossList\":{\"GlossEntry\":{\"ID\":\"SGML\",\"SortAs\":\"SGML\",\"GlossTerm\":\"Standard Generalized Markup Language\",\"Acronym\":\"SGML\",\"Abbrev\":\"ISO 8879:1986\",\"GlossDef\":{\"para\":\"A meta-markup language, used to create markup languages such as DocBook.\",\"GlossSeeAlso\":[\"GML\",\"XML\"]},\"GlossSee\":\"markup\"}}}}}";
|
|
|
|
// To test with a large file instead, specify the file name here.
|
|
// For example, I've benchmarked it with this 25 MB JSON file: https://raw.githubusercontent.com/json-iterator/test-data/master/large-file.json
|
|
//private const string JsonFilename = "";
|
|
private const string JsonFilename = "D:\\Temp\\large-file.json";
|
|
|
|
|
|
private readonly string testJson;
|
|
|
|
|
|
public JsonPrettyPrint()
|
|
{
|
|
testJson = string.IsNullOrEmpty(JsonFilename)
|
|
? Json
|
|
: File.ReadAllText(JsonFilename);
|
|
}
|
|
|
|
|
|
[Benchmark]
|
|
public string TestJsonConvert()
|
|
{
|
|
var obj = JsonConvert.DeserializeObject(testJson);
|
|
return JsonConvert.SerializeObject(obj, Formatting.Indented);
|
|
}
|
|
|
|
|
|
[Benchmark]
|
|
public string TestJTokenParse()
|
|
{
|
|
var obj = JToken.Parse(testJson);
|
|
return obj.ToString(Formatting.Indented);
|
|
}
|
|
|
|
|
|
[Benchmark]
|
|
public string TestReaderWriter()
|
|
{
|
|
using var stringReader = new StringReader(testJson);
|
|
using var jsonTextReader = new JsonTextReader(stringReader);
|
|
using var stringWriter = new StringWriter();
|
|
using var jsonWriter = new JsonTextWriter(stringWriter);
|
|
|
|
jsonWriter.Formatting = Formatting.Indented;
|
|
|
|
while (jsonTextReader.Read())
|
|
jsonWriter.WriteToken(jsonTextReader);
|
|
|
|
jsonWriter.Flush();
|
|
return stringWriter.ToString();
|
|
}
|
|
|
|
|
|
[Benchmark]
|
|
public string TestJsonDocument()
|
|
{
|
|
var doc = JsonDocument.Parse(testJson);
|
|
|
|
using var stream = new MemoryStream();
|
|
var writer = new Utf8JsonWriter(stream, new JsonWriterOptions { Indented = true });
|
|
doc.WriteTo(writer);
|
|
writer.Flush();
|
|
|
|
return Encoding.UTF8.GetString(stream.ToArray());
|
|
}
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
public class Program
|
|
{
|
|
public static void Main()
|
|
{
|
|
BenchmarkRunner.Run<JsonPrettyPrint>();
|
|
|
|
// To prove they all provide the correct output
|
|
/*
|
|
var prettyPrint = new JsonPrettyPrint();
|
|
Console.WriteLine("JsonConvert");
|
|
Console.WriteLine("-----------");
|
|
Console.WriteLine(prettyPrint.TestJsonConvert());
|
|
|
|
Console.WriteLine("JToken");
|
|
Console.WriteLine("------");
|
|
Console.WriteLine(prettyPrint.TestJTokenParse());
|
|
|
|
Console.WriteLine("ReaderWriter");
|
|
Console.WriteLine("------------");
|
|
Console.WriteLine(prettyPrint.TestReaderWriter());
|
|
|
|
Console.WriteLine("JsonDocument");
|
|
Console.WriteLine("------------");
|
|
Console.WriteLine(prettyPrint.TestJsonDocument());
|
|
*/
|
|
}
|
|
}
|
|
} |