[Perf] Linux/arm64: 3 Regressions on 4/24/2024 9:24:37 PM

[performanceautofiler[bot]]

Run Information

Name	Value
Architecture	arm64
OS	ubuntu 22.04
Queue	AmpereUbuntu
Baseline	edb6e7c154a4a75c8d1430cd6a996e6f1f9b401e
Compare	74d927967dcf9dc1801c310603d6dc843dc28ad6
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Regressions in System.Tests.Perf_UInt32

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
[TryParseHex - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 22.04/System.Tests.Perf_UInt32.TryParseHex(value%3a%20%22FFFFFFFF%22).html>) 📝 - Benchmark Source ADX - Test Multi Config Graph	17.76 ns	18.93 ns	1.07	0.12	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
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Tests.Perf_UInt32*'

### System.Tests.Perf_UInt32.TryParseHex(value: "FFFFFFFF") #### 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	arm64
OS	ubuntu 22.04
Queue	AmpereUbuntu
Baseline	edb6e7c154a4a75c8d1430cd6a996e6f1f9b401e
Compare	74d927967dcf9dc1801c310603d6dc843dc28ad6
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Regressions in System.Threading.Tests.Perf_Monitor

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
[EnterExit - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 22.04/System.Threading.Tests.Perf_Monitor.EnterExit.html>) 📝 - Benchmark Source ADX - Test Multi Config Graph	19.56 ns	22.56 ns	1.15	0.05	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
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Threading.Tests.Perf_Monitor*'

### System.Threading.Tests.Perf_Monitor.EnterExit #### 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	arm64
OS	ubuntu 22.04
Queue	AmpereUbuntu
Baseline	edb6e7c154a4a75c8d1430cd6a996e6f1f9b401e
Compare	74d927967dcf9dc1801c310603d6dc843dc28ad6
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Regressions in System.Tests.Perf_String

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
[Trim - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 22.04/System.Tests.Perf_String.Trim(s%3a%20%22Test%20%22).html>) 📝 - Benchmark Source ADX - Test Multi Config Graph	17.11 ns	21.57 ns	1.26	0.27	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
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Tests.Perf_String*'

### System.Tests.Perf_String.Trim(s: "Test ") #### 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]

No clear suspect for the regressions. I think we had a similar thing here: https://github.com/dotnet/perf-autofiling-issues/issues/33491 where there wasn't an obvious cause.