Benchmarks for dotnet/runtime#127970 (for @EgorBo)

[EgorBot]

Processing benchmark request from PR dotnet/runtime#127970.

Targets: ubuntu24_azure_turin, macos26_helix_arm64
Commits: main;PR_127970

• ubuntu24_azure_turin: live logs
• macos26_helix_arm64: live logs

Results will be posted here once they are ready.

[EgorBot]

Results for macos26_helix_arm64

@EgorBo

BenchmarkDotNet v0.15.8, macOS Sequoia 15.4.1 (24E263) [Darwin 24.4.0]
Apple M4, 1 CPU, 10 logical and 10 physical cores
.NET SDK 11.0.100-preview.5.26257.113
  [Host]     : .NET 10.0.7 (10.0.7, 10.0.726.21808), Arm64 RyuJIT armv8.0-a

Method	Toolchain	Mean	Error	Ratio
Stackalloc1	PR #127970	5.935 ns	0.1169 ns	1.00
Stackalloc1	main	1.154 ns	0.0584 ns	0.19
Stackalloc4	PR #127970	6.610 ns	0.1534 ns	1.00
Stackalloc4	main	1.818 ns	0.0116 ns	0.28
Stackalloc6	PR #127970	6.141 ns	0.1441 ns	1.00
Stackalloc6	main	1.822 ns	0.0135 ns	0.30
Stackalloc8	PR #127970	6.485 ns	0.1517 ns	1.00
Stackalloc8	main	1.818 ns	0.0133 ns	0.28
Stackalloc10	PR #127970	6.640 ns	0.1546 ns	1.00
Stackalloc10	main	1.820 ns	0.0133 ns	0.27
Stackalloc16	PR #127970	6.576 ns	0.1514 ns	1.00
Stackalloc16	main	1.816 ns	0.0079 ns	0.28
Stackalloc32	PR #127970	3.816 ns	0.4728 ns	1.14
Stackalloc32	main	6.450 ns	0.1511 ns	1.93
Stackalloc50	PR #127970	3.247 ns	0.2477 ns	1.05
Stackalloc50	main	6.737 ns	0.1040 ns	2.17
Stackalloc100	PR #127970	6.928 ns	0.0973 ns	1.00
Stackalloc100	main	6.339 ns	0.1499 ns	0.92
Stackalloc128	PR #127970	2.724 ns	0.0748 ns	1.00
Stackalloc128	main	6.505 ns	0.1533 ns	2.39
Stackalloc256	PR #127970	8.312 ns	0.1098 ns	1.00
Stackalloc256	main	7.163 ns	0.1670 ns	0.86
Stackalloc500	PR #127970	9.761 ns	0.2127 ns	1.00
Stackalloc500	main	9.538 ns	0.1028 ns	0.98

Full logs

[EgorBot]

Results for ubuntu24_azure_turin

@EgorBo

BenchmarkDotNet v0.15.8, Linux Ubuntu 24.04.4 LTS (Noble Numbat)
AMD EPYC 9V45 2.60GHz, 1 CPU, 8 logical and 4 physical cores
.NET SDK 11.0.100-preview.5.26257.113
  [Host]     : .NET 10.0.7 (10.0.7, 10.0.726.21808), X64 RyuJIT x86-64-v4

Method	Toolchain	Mean	Error	Ratio
Stackalloc1	PR #127970	1.990 ns	0.0247 ns	1.00
Stackalloc1	main	2.102 ns	0.0635 ns	1.06
Stackalloc4	PR #127970	2.150 ns	0.0638 ns	1.00
Stackalloc4	main	2.164 ns	0.0658 ns	1.01
Stackalloc6	PR #127970	2.085 ns	0.0624 ns	1.00
Stackalloc6	main	2.212 ns	0.0349 ns	1.06
Stackalloc8	PR #127970	1.976 ns	0.0390 ns	1.00
Stackalloc8	main	2.100 ns	0.0516 ns	1.06
Stackalloc10	PR #127970	2.166 ns	0.0660 ns	1.00
Stackalloc10	main	2.113 ns	0.0357 ns	0.98
Stackalloc16	PR #127970	2.120 ns	0.0649 ns	1.00
Stackalloc16	main	2.175 ns	0.0376 ns	1.03
Stackalloc32	PR #127970	2.089 ns	0.0639 ns	1.00
Stackalloc32	main	2.187 ns	0.0258 ns	1.05
Stackalloc50	PR #127970	2.127 ns	0.0642 ns	1.00
Stackalloc50	main	2.487 ns	0.0711 ns	1.17
Stackalloc100	PR #127970	2.147 ns	0.0355 ns	1.00
Stackalloc100	main	3.154 ns	0.0415 ns	1.47
Stackalloc128	PR #127970	1.847 ns	0.0603 ns	1.00
Stackalloc128	main	3.175 ns	0.0853 ns	1.72
Stackalloc256	PR #127970	1.884 ns	0.0602 ns	1.00
Stackalloc256	main	4.712 ns	0.1147 ns	2.50
Stackalloc500	PR #127970	2.035 ns	0.0194 ns	1.00
Stackalloc500	main	7.055 ns	0.1490 ns	3.47

Full logs