Benchmarks for dotnet/runtime#131833 (for @joshuajyue)

[EgorBot]

Processing benchmark request from PR dotnet/runtime#131833.

Targets: windows_azure_turin
Commits: PR_131833;31004ff8dc2;fffed311025;44687f2d763

• windows_azure_turin: live logs

Results will be posted here once they are ready.

[EgorBot]

Results for windows_azure_turin

@joshuajyue

BenchmarkDotNet v0.16.0-nightly.20260801.595, Windows 11 (10.0.26100.33158/24H2/2024Update/HudsonValley) (Hyper-V)
AMD EPYC 9V45 2.60GHz, 1 CPU, 8 logical and 4 physical cores
Memory: 31.99 GB Total, 27.54 GB Available
.NET SDK 11.0.100-rc.1.26406.108
  [Host]     : .NET 11.0.0 (11.0.0-rc.1.26406.108, 11.0.26.40708), X64 RyuJIT x86-64-v4

EvaluateOverhead=False  OutlierMode=DontRemove  EnvironmentVariables=DOTNET_ReadyToRun=0,DOTNET_TieredCompilation=0,DOTNET_JitDisasm=*BitArray*,DOTNET_JitDisasmDiffable=1,DOTNET_JitPrintInlinedMethods=*BitArray*  
PowerPlanMode=  IterationTime=250ms  MaxIterationCount=20  
MemoryRandomization=True  MinIterationCount=15  WarmupCount=1  

Method	Toolchain	Size	Mean	Error	Ratio	Gen0	Gen1	Allocated	Alloc Ratio
BitArraySetLengthGrow	31004ff8**	4	19.84 ns	0.395 ns	1.00	0.0057	-	96 B	1.00
BitArraySetLengthGrow	44687f2d	4	19.56 ns	0.158 ns	0.99	0.0057	-	96 B	1.00
BitArraySetLengthGrow	fffed311	4	19.50 ns	0.428 ns	0.98	0.0057	-	96 B	1.00
BitArraySetLengthGrow	PR #131833	4	19.48 ns	0.302 ns	0.98	0.0057	-	96 B	1.00
BitArraySetLengthGrow	31004ff8**	512	49.10 ns	0.550 ns	1.00	0.0965	0.0002	1616 B	1.00
BitArraySetLengthGrow	44687f2d	512	49.98 ns	0.960 ns	1.02	0.0965	0.0002	1616 B	1.00
BitArraySetLengthGrow	fffed311	512	51.41 ns	0.978 ns	1.05	0.0964	0.0002	1616 B	1.00
BitArraySetLengthGrow	PR #131833	512	52.47 ns	0.930 ns	1.07	0.0966	0.0002	1616 B	1.00

Full logs

[joshuajyue]

First one decreases monotonically, second one increases, intervals overlap, this one is weird