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Anton edited this page May 9, 2023 · 2 revisions

Benchmark results

New() vs Activator

BenchmarkDotNet=v0.13.5, OS=Windows 10 (10.0.19045.2846/22H2/2022Update)
Intel Core i5-10400F CPU 2.90GHz, 1 CPU, 12 logical and 6 physical cores
.NET SDK=7.0.203
  [Host]     : .NET 6.0.16 (6.0.1623.17311), X64 RyuJIT AVX2
  Job-ZILMVN : .NET 6.0.16 (6.0.1623.17311), X64 RyuJIT AVX2

Runtime=.NET 6.0
Method Mean Error StdDev Gen0 Allocated Notes
New 12.197 ns 0.3053 ns 0.3135 ns 0.0076 48 B Proxy of Activator
New1 17.950 ns 0.3902 ns 0.3650 ns 0.0076 48 B
New2 26.189 ns 0.4290 ns 0.3803 ns 0.0076 48 B
New3 30.655 ns 0.3910 ns 0.3466 ns 0.0114 72 B
Newargs 14.466 ns 0.3320 ns 0.3409 ns 0.0076 48 B When arg types is unkown
New1args 46.087 ns 0.7669 ns 0.8206 ns 0.0166 104 B When arg types is unkown
New2args 67.974 ns 0.7907 ns 0.6173 ns 0.0178 112 B When arg types is unkown
New3args 72.224 ns 0.4556 ns 0.3804 ns 0.0229 144 B When arg types is unkown
Activator 9.882 ns 0.2502 ns 0.2340 ns 0.0076 48 B
Activator1 428.036 ns 5.3699 ns 4.7603 ns 0.0777 488 B
Activator2 503.348 ns 7.6521 ns 6.7834 ns 0.0811 512 B
Activator3 558.993 ns 3.9958 ns 3.5422 ns 0.0896 568 B

GetPropValue vs GetProperty.GetValue

BenchmarkDotNet=v0.13.5, OS=Windows 10 (10.0.19045.2846/22H2/2022Update)
Intel Core i5-10400F CPU 2.90GHz, 1 CPU, 12 logical and 6 physical cores
.NET SDK=7.0.203
  [Host]     : .NET 6.0.16 (6.0.1623.17311), X64 RyuJIT AVX2
  Job-XEOVBE : .NET 6.0.16 (6.0.1623.17311), X64 RyuJIT AVX2

Runtime=.NET 6.0
Method Mean Error StdDev Gen0 Allocated Notes
PreKnowedTypesExpr 7.140 ns 0.1992 ns 0.1863 ns 0.0038 24 B When class type and property type pre-knowed at compile time and cache is single-object
Reflection_GetProperty 103.186 ns 0.6418 ns 0.5011 ns 0.0038 24 B
GetPropValue_objects 17.372 ns 0.1563 ns 0.1220 ns 0.0038 24 B When return type and object type uknown (runtime)
GetPropValue_ReturnTypeKnown 37.724 ns 0.7981 ns 1.0655 ns 0.0191 120 B When only return type is known
GetPropValue_HostTypeAndReturnTypeKnown 40.142 ns 0.8036 ns 0.8252 ns 0.0178 112 B When return type and object type is known at compile time

SetPropValue vs GetProperty.SetValue

BenchmarkDotNet=v0.13.5, OS=Windows 10 (10.0.19045.2846/22H2/2022Update)
Intel Core i5-10400F CPU 2.90GHz, 1 CPU, 12 logical and 6 physical cores
.NET SDK=7.0.203
  [Host]     : .NET 6.0.16 (6.0.1623.17311), X64 RyuJIT AVX2
  Job-SJRJSJ : .NET 6.0.16 (6.0.1623.17311), X64 RyuJIT AVX2

Runtime=.NET 6.0
Method Mean Error StdDev Gen0 Allocated Notes
Reflection_SetProperty 118.99 ns 1.184 ns 0.989 ns 0.0038 24 B
SetPropValue 32.04 ns 0.208 ns 0.184 ns 0.0204 128 B
SetPropValueConverted 55.55 ns 1.113 ns 1.093 ns 0.0242 152 B When value is another type of property and Convert.ChangeType called
SetPropValueEnumParse 185.31 ns 2.022 ns 1.891 ns 0.0241 152 B When enum value setting in must be parsed with Enum.Parse method
SetPropValueNullable_Null 35.29 ns 0.298 ns 0.249 ns 0.0166 104 B Setting nullable property of null
SetPropValueNullable_Val 43.68 ns 0.275 ns 0.215 ns 0.0204 128 B Setting nullable property of value

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