Benchmarks for dotnet/runtime#125506 (for @davidwrighton)

[EgorBot]

Processing benchmark request from PR dotnet/runtime#125506.

Targets: ubuntu24_azure_cobalt100
Commits: main;PR_125506

• ubuntu24_azure_cobalt100: live logs

Results will be posted here once they are ready.

[EgorBot]

Results for ubuntu24_azure_cobalt100

@davidwrighton

BenchmarkDotNet v0.16.0-nightly.20260226.451, Linux Ubuntu 24.04.3 LTS (Noble Numbat)
Neoverse-N2, 8 physical cores
.NET SDK 10.0.100-rc.2.25502.107
  [Host]     : .NET 10.0.0 (10.0.0-rc.2.25502.107, 10.0.25.50307), Arm64 RyuJIT armv8.0-a

EvaluateOverhead=False  PowerPlanMode=  IterationTime=250ms  
MaxIterationCount=20  MinIterationCount=15  WarmupCount=1  

Method	Toolchain	Size	Mean	Error	Ratio	Allocated	Alloc Ratio
Array	main	2048	256.6 ns	0.12 ns	1.00	-	NA
Array	PR #125506	2048	257.6 ns	0.10 ns	1.00	-	NA
List	main	2048	268.4 ns	0.69 ns	1.05	-	NA
List	PR #125506	2048	256.2 ns	0.04 ns	1.00	-	NA
ImmutableArray	main	2048	257.9 ns	0.26 ns	1.00	-	NA
ImmutableArray	PR #125506	2048	257.6 ns	0.08 ns	1.00	-	NA
Span	main	2048	263.6 ns	0.54 ns	1.00	-	NA
Span	PR #125506	2048	263.2 ns	0.31 ns	1.00	-	NA
ReadOnlySpan	main	2048	263.0 ns	0.57 ns	1.00	-	NA
ReadOnlySpan	PR #125506	2048	263.3 ns	0.23 ns	1.00	-	NA
Memory	main	2048	262.2 ns	0.26 ns	0.99	-	NA
Memory	PR #125506	2048	264.2 ns	0.20 ns	1.00	-	NA
ReadOnlyMemory	main	2048	263.8 ns	0.25 ns	1.00	-	NA
ReadOnlyMemory	PR #125506	2048	263.7 ns	0.09 ns	1.00	-	NA

---

BenchmarkDotNet v0.16.0-nightly.20260226.451, Linux Ubuntu 24.04.3 LTS (Noble Numbat)
Neoverse-N2, 8 physical cores
.NET SDK 10.0.100-rc.2.25502.107
  [Host]     : .NET 10.0.0 (10.0.0-rc.2.25502.107, 10.0.25.50307), Arm64 RyuJIT armv8.0-a

EvaluateOverhead=False  PowerPlanMode=  IterationTime=250ms  
MaxIterationCount=20  MinIterationCount=15  WarmupCount=1  

Method	Toolchain	Size	Mean	Error	Ratio	Allocated	Alloc Ratio
Array	main	2048	113.2 ns	0.47 ns	0.98	-	NA
Array	PR #125506	2048	115.0 ns	0.47 ns	1.00	-	NA
List	main	2048	108.7 ns	0.79 ns	0.97	-	NA
List	PR #125506	2048	112.4 ns	0.54 ns	1.00	-	NA
ImmutableArray	main	2048	110.2 ns	0.40 ns	1.00	-	NA
ImmutableArray	PR #125506	2048	109.9 ns	0.50 ns	1.00	-	NA
Span	main	2048	112.2 ns	0.81 ns	1.02	-	NA
Span	PR #125506	2048	110.4 ns	0.40 ns	1.00	-	NA
ReadOnlySpan	main	2048	113.4 ns	0.65 ns	1.03	-	NA
ReadOnlySpan	PR #125506	2048	110.2 ns	0.64 ns	1.00	-	NA
Memory	main	2048	115.6 ns	0.94 ns	1.04	-	NA
Memory	PR #125506	2048	110.8 ns	0.84 ns	1.00	-	NA
ReadOnlyMemory	main	2048	110.8 ns	0.62 ns	0.99	-	NA
ReadOnlyMemory	PR #125506	2048	111.6 ns	1.16 ns	1.00	-	NA

Full logs