[Perf] Windows/x64: 2 Regressions on 3/15/2024 12:38:06 AM

[performanceautofiler[bot]]

Run Information

Name	Value
Architecture	x64
OS	Windows 10.0.18362
Queue	TigerWindows
Baseline	713e69021b6a53a4f7e7affc2eb10965e41f8f3a
Compare	453713a527ae01197b260fbc427918ee93b3cd5b
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Regressions in System.Collections.Perf_Frozen<Int16>

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
[ToFrozenDictionary - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.18362/System.Collections.Perf_Frozen(Int16).ToFrozenDictionary(Count%3a%2064).html>) 📝 - Benchmark Source ADX - Test Multi Config Graph	2.84 μs	3.04 μs	1.07	0.06	False
[ToFrozenDictionary - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.18362/System.Collections.Perf_Frozen(Int16).ToFrozenDictionary(Count%3a%20512).html>) 📝 - Benchmark Source ADX - Test Multi Config Graph	31.64 μs	37.65 μs	1.19	0.29	False

Test Report

Repro

General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md

git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Collections.Perf_Frozen<Int16>*'

### System.Collections.Perf_Frozen<Int16>.ToFrozenDictionary(Count: 64) #### ETL Files #### Histogram #### JIT Disasms ### System.Collections.Perf_Frozen<Int16>.ToFrozenDictionary(Count: 512) #### ETL Files #### Histogram #### JIT Disasms ### Docs [Profiling workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/profiling-workflow-dotnet-runtime.md) [Benchmarking workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/benchmarking-workflow-dotnet-runtime.md)

[LoopedBard3]

Potentially: https://github.com/dotnet/runtime/pull/99628