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TestValueComparerDelegate

Result

BenchmarkDotNet v0.15.0, Windows 11 (10.0.26100.4061/24H2/2024Update/HudsonValley)
AMD Ryzen 9 7950X 4.50GHz, 1 CPU, 32 logical and 16 physical cores
.NET SDK 9.0.102
  [Host]     : .NET 9.0.1 (9.0.124.61010), X64 AOT AVX-512F+CD+BW+DQ+VL+VBMI
  DefaultJob : .NET 9.0.1 (9.0.124.61010), X64 RyuJIT AVX-512F+CD+BW+DQ+VL+VBMI

Not stable, multi test result are different

Method A B Mean Error StdDev Ratio RatioSD Code Size Allocated Alloc Ratio
Delegate 123 456 0.0297 ns 0.0074 ns 0.0069 ns 1.04 0.31 47 B - NA
Value 123 456 0.4436 ns 0.0058 ns 0.0054 ns 15.59 2.97 27 B - NA
Interface 123 456 0.0324 ns 0.0056 ns 0.0050 ns 1.14 0.28 51 B - NA
Method A B Mean Error StdDev Ratio RatioSD Code Size Allocated Alloc Ratio
Delegate 123 456 0.0287 ns 0.0091 ns 0.0081 ns 1.08 0.44 47 B - NA
Value 123 456 0.4637 ns 0.0114 ns 0.0101 ns 17.51 5.11 27 B - NA
Interface 123 456 0.0344 ns 0.0062 ns 0.0055 ns 1.30 0.43 51 B - NA
Method A B Mean Error StdDev Ratio RatioSD Code Size Allocated Alloc Ratio
Delegate 123 456 0.2237 ns 0.0057 ns 0.0053 ns 1.00 0.03 47 B - NA
Value 123 456 0.4633 ns 0.0158 ns 0.0148 ns 2.07 0.08 27 B - NA
Interface 123 456 0.4524 ns 0.0479 ns 0.1411 ns 2.02 0.63 51 B - NA
Method A B Mean Error StdDev Ratio RatioSD Code Size Allocated Alloc Ratio
Delegate 123 456 0.2328 ns 0.0052 ns 0.0046 ns 1.00 0.03 47 B - NA
Value 123 456 0.4439 ns 0.0094 ns 0.0088 ns 1.91 0.05 27 B - NA
Interface 123 456 0.2483 ns 0.0170 ns 0.0159 ns 1.07 0.07 51 B - NA

Asm

.NET 9.0.1 (9.0.124.61010), X64 RyuJIT AVX-512F+CD+BW+DQ+VL+VBMI

; Benchmark.Test1.Delegate()
       mov       r10,[rcx+10]
       mov       edx,[rcx+18]
       mov       r8d,[rcx+1C]
       mov       rax,offset Benchmark.Test1+Comparer.Compare(Int32, Int32)
       cmp       [r10+18],rax
       jne       short M00_L00
       mov       eax,edx
       sub       eax,r8d
       ret
M00_L00:
       mov       rcx,[r10+8]
       jmp       qword ptr [r10+18]
; Total bytes of code 41
; Benchmark.Test1+Comparer.Compare(Int32, Int32)
       mov       eax,edx
       sub       eax,r8d
       ret
; Total bytes of code 6

.NET 9.0.1 (9.0.124.61010), X64 RyuJIT AVX-512F+CD+BW+DQ+VL+VBMI

; Benchmark.Test1.Value()
       lea       rdx,[rcx+20]
       mov       r8d,[rcx+18]
       mov       eax,[rcx+1C]
       mov       rcx,[rdx]
       mov       r10,[rdx+8]
       mov       edx,r8d
       mov       r8d,eax
       jmp       r10
; Total bytes of code 27

.NET 9.0.1 (9.0.124.61010), X64 RyuJIT AVX-512F+CD+BW+DQ+VL+VBMI

; Benchmark.Test1.Interface()
       mov       r8,[rcx+8]
       mov       edx,[rcx+18]
       mov       r11d,[rcx+1C]
       mov       rax,offset MT_Benchmark.Test1+Comparer
       cmp       [r8],rax
       jne       short M00_L00
       mov       eax,edx
       sub       eax,r11d
       ret
M00_L00:
       mov       rcx,r8
       mov       r8d,r11d
       mov       r11,7FF997B40478
       jmp       qword ptr [r11]
; Total bytes of code 51

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