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Add JsonNode construction benchmarks #4463

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merged 2 commits into from
Sep 18, 2024
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Add JsonNode construction benchmarks #4463

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7165eda
Add JsonNode construction benchmarks
eiriktsarpalis Sep 17, 2024
26e65c2
Address feedback
eiriktsarpalis Sep 17, 2024
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105 changes: 105 additions & 0 deletions src/benchmarks/micro/libraries/System.Text.Json/Node/Perf_Create.cs
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Original file line number Diff line number Diff line change
@@ -0,0 +1,105 @@
using BenchmarkDotNet.Attributes;
using MicroBenchmarks;
using System.Text.Json.Nodes;

namespace System.Text.Json.Node.Tests
{
[BenchmarkCategory(Categories.Libraries, Categories.JSON)]
public class Perf_Create
{
private readonly JsonNode[] _results = new JsonNode[50];

[Benchmark]
public Span<JsonNode> Create_JsonBool()
{
Span<JsonNode> results = _results.AsSpan();
for (int i = 0; i < results.Length; i++)
{
results[i] = (JsonNode)true;
}

return results;
}

[Benchmark]
public Span<JsonNode> Create_JsonNumber()
{
Span<JsonNode> results = _results.AsSpan();
for (int i = 0; i < results.Length; i++)
{
results[i] = (JsonNode)42;
}

return results;
}

[Benchmark]
public Span<JsonNode> Create_JsonString()
{
Span<JsonNode> results = _results.AsSpan();
for (int i = 0; i < results.Length; i++)
{
results[i] = (JsonNode)"some string";
}

return results;
}

[Benchmark]
public Span<JsonNode> Create_JsonArray()
{
Span<JsonNode> results = _results.AsSpan(0, 20);
for (int i = 0; i < results.Length; i++)
{
results[i] = new JsonArray { null, null, null, null };
}

return results;
}

[Benchmark]
public JsonNode Create_JsonObject_Small()
{
return new JsonObject
{
["prop0"] = null,
["prop1"] = null,
["prop2"] = null,
["prop3"] = null,
["prop4"] = null,
["prop5"] = null,
["prop6"] = null,
["prop7"] = null,
["prop8"] = null,
};
}

[Benchmark]
public JsonNode Create_JsonObject_Large()
{
return new JsonObject
{
["prop0"] = null,
["prop1"] = null,
["prop2"] = null,
["prop3"] = null,
["prop4"] = null,
["prop5"] = null,
["prop6"] = null,
["prop7"] = null,
["prop8"] = null,
["prop9"] = null,
["prop10"] = null,
["prop11"] = null,
["prop12"] = null,
["prop13"] = null,
["prop14"] = null,
["prop15"] = null,
["prop16"] = null,
["prop17"] = null,
["prop18"] = null,
["prop19"] = null,
};
}
}
}
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