[Perf] Windows/x64: 3 Regressions on 11/5/2024 8:38:08 PM

[performanceautofiler[bot]]

Run Information

Name	Value
Architecture	x64
OS	Windows 10.0.22621
Queue	TigerWindows
Baseline	7c2f0041be9068fb641f53dc830606c95aab2488
Compare	3116db9c19512d89b2091a9e5fcbec08581d0f9d
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Regressions in System.Collections.CtorDefaultSize<Int32>

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
[SortedDictionary - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.22621/System.Collections.CtorDefaultSize(Int32).SortedDictionary.html>) 📝 - Benchmark Source ADX - Test Multi Config Graph	15.97 ns	17.55 ns	1.10	0.13	False
[ConcurrentDictionary - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.22621/System.Collections.CtorDefaultSize(Int32).ConcurrentDictionary.html>) 📝 - Benchmark Source ADX - Test Multi Config Graph	115.16 ns	122.74 ns	1.07	0.08	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.CtorDefaultSize<Int32>*'

### System.Collections.CtorDefaultSize<Int32>.SortedDictionary #### ETL Files #### Histogram #### JIT Disasms ### System.Collections.CtorDefaultSize<Int32>.ConcurrentDictionary #### 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)

---

Run Information

Name	Value
Architecture	x64
OS	Windows 10.0.22621
Queue	TigerWindows
Baseline	7c2f0041be9068fb641f53dc830606c95aab2488
Compare	3116db9c19512d89b2091a9e5fcbec08581d0f9d
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Regressions in System.Text.Tests.Perf_Encoding

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
[GetEncoder - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.22621/System.Text.Tests.Perf_Encoding.GetEncoder(size%3a%2016%2c%20encName%3a%20%22ascii%22).html>) 📝 - Benchmark Source ADX - Test Multi Config Graph	8.59 ns	9.98 ns	1.16	0.11	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.Text.Tests.Perf_Encoding*'

### System.Text.Tests.Perf_Encoding.GetEncoder(size: 16, encName: "ascii") #### 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]

Only being seen on Tiger, marking as noise.