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Benchmarks

Hardware and Software

BenchmarkDotNet=v0.13.1, OS=Windows 10.0.19043.1645 (21H1/May2021Update)
11th Gen Intel Core i7-1185G7 3.00GHz, 1 CPU, 8 logical and 4 physical cores
.NET SDK=6.0.200
  [Host]     : .NET 6.0.2 (6.0.222.6406), X64 RyuJIT
  Job-ILXIOY : .NET 6.0.2 (6.0.222.6406), X64 RyuJIT

Comparison Modes

Method FileSize Mean Median Min Max P80 P95 Allocated
RawText Small 94.05 μs 94.09 μs 93.13 μs 95.36 μs 94.35 μs 94.80 μs 75 KB
Semantic Small 104.65 μs 104.27 μs 102.67 μs 107.86 μs 105.55 μs 107.76 μs 75 KB

* All benchmarks are generated using the same small JSON object used in the System.Text.Json vs Newtonsoft Json section below, with array move detection enabled (default).

System.Text.Json vs Newtonsoft Json

Diff (including RFC JsonPatch)

Method FileSize Mean Median Min Max P80 P95 Allocated
SystemTextJson Small 76.93 μs 76.88 μs 75.62 μs 79.28 μs 77.43 μs 78.11 μs 67 KB
JsonNet Small 84.97 μs 84.75 μs 83.72 μs 87.68 μs 85.64 μs 86.38 μs 132 KB
SystemTextJson_Rfc Small 91.88 μs 91.71 μs 90.70 μs 95.01 μs 92.37 μs 94.37 μs 89 KB
JsonNet_Rfc Small 102.15 μs 102.10 μs 100.49 μs 104.37 μs 102.58 μs 103.29 μs 150 KB
SystemTextJson Large 3,739.64 μs 3,734.25 μs 3,626.78 μs 3,902.76 μs 3,781.22 μs 3,844.92 μs 3,365 KB
JsonNet Large 3,846.70 μs 3,850.62 μs 3,760.20 μs 3,917.07 μs 3,887.43 μs 3,896.80 μs 4,386 KB
SystemTextJson_Rfc Large 4,897.11 μs 4,868.30 μs 4,722.99 μs 5,196.12 μs 4,930.06 μs 5,159.49 μs 4,667 KB
JsonNet_Rfc Large 5,260.99 μs 5,249.26 μs 5,121.82 μs 5,487.74 μs 5,322.84 μs 5,460.47 μs 6,147 KB

DeepEquals

Method FileSize Mean Median Min Max P80 P95 Allocated
SystemTextJson_Node Small 55.10 μs 54.96 μs 54.14 μs 56.93 μs 55.49 μs 56.57 μs 38 KB
SystemTextJson_Document Small 40.63 μs 40.58 μs 40.08 μs 41.27 μs 40.80 μs 41.12 μs 26 KB
JsonNet Small 57.84 μs 57.62 μs 57.17 μs 59.40 μs 58.07 μs 58.98 μs 91 KB
SystemTextJson_Node Large 2,143.34 μs 2,125.71 μs 2,048.46 μs 2,328.43 μs 2,194.35 μs 2,266.60 μs 1,571 KB
SystemTextJson_Document Large 1,372.31 μs 1,371.00 μs 1,352.61 μs 1,391.00 μs 1,379.30 μs 1,388.30 μs 920 KB
JsonNet Large 2,208.71 μs 2,209.77 μs 2,182.51 μs 2,246.30 μs 2,223.80 μs 2,235.96 μs 2,426 KB

Patch

Method FileSize Mean Median Min Max P80 P95 Allocated
SystemTextJson Small 35.45 μs 35.42 μs 34.43 μs 36.97 μs 35.86 μs 36.52 μs 35 KB
JsonNet Small 95.50 μs 95.35 μs 94.14 μs 97.36 μs 96.28 μs 96.70 μs 162 KB
SystemTextJson Large 1,945.77 μs 1,935.61 μs 1,799.91 μs 2,203.39 μs 2,047.02 μs 2,093.61 μs 1,732 KB
JsonNet Large 4,324.16 μs 4,315.50 μs 4,184.21 μs 4,506.67 μs 4,378.94 μs 4,433.86 μs 5,088 KB

DeepClone

Method FileSize Mean Median Min Max P80 P95 Allocated
SystemTextJson Small 28.98 μs 29.05 μs 27.99 μs 29.53 μs 29.29 μs 29.42 μs 40 KB
JsonNet Small 42.99 μs 42.84 μs 41.90 μs 45.02 μs 43.41 μs 44.70 μs 70 KB
SystemTextJson Large 1,251.60 μs 1,247.97 μs 1,192.19 μs 1,323.97 μs 1,276.05 μs 1,310.40 μs 1,675 KB
JsonNet Large 1,708.43 μs 1,706.69 μs 1,664.39 μs 1,783.04 μs 1,731.47 μs 1,759.00 μs 2,128 KB

* All benchmarks for SystemTextJson methods are generated with JsonElementComparison.Semantic option and array move detection disabled because JsonDiffPatch.Net does not support array move detection.