[Perf] Linux/x64: 5 Regressions on 11/25/2024 10:09:05 AM

[performanceautofiler[bot]]

Run Information

Name	Value
Architecture	x64
OS	ubuntu 22.04
Queue	TigerUbuntu
Baseline	03498891fcfde3aca87741c0dc6eb27d48ea9310
Compare	4caf064140aa70e4b917da23546a5cd501d4c2bb
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Regressions in System.Tests.Perf_Array

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
[IndexOfChar - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/System.Tests.Perf_Array.IndexOfChar.html>) 📝 - Benchmark Source ADX - Test Multi Config Graph	4.41 ns	5.85 ns	1.33	0.17	False
[IndexOfShort - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/System.Tests.Perf_Array.IndexOfShort.html>) 📝 - Benchmark Source ADX - Test Multi Config Graph	4.46 ns	5.88 ns	1.32	0.20	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_Array*'

### System.Tests.Perf_Array.IndexOfChar #### ETL Files #### Histogram #### JIT Disasms ### System.Tests.Perf_Array.IndexOfShort #### 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	ubuntu 22.04
Queue	TigerUbuntu
Baseline	03498891fcfde3aca87741c0dc6eb27d48ea9310
Compare	4caf064140aa70e4b917da23546a5cd501d4c2bb
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Regressions in System.Text.Json.Tests.Utf8JsonReaderCommentsTests

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
[Utf8JsonReaderCommentParsing - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/System.Text.Json.Tests.Utf8JsonReaderCommentsTests.Utf8JsonReaderCommentParsing(CommentHandling%3a%20Allow%2c%20SegmentSize%3a%200%2c%20TestCase%3a%20LongSingleLine).html>) 📝 - Benchmark Source ADX - Test Multi Config Graph	114.21 ns	123.65 ns	1.08	0.02	False
[Utf8JsonReaderCommentParsing - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/System.Text.Json.Tests.Utf8JsonReaderCommentsTests.Utf8JsonReaderCommentParsing(CommentHandling%3a%20Skip%2c%20SegmentSize%3a%200%2c%20TestCase%3a%20LongSingleLine).html>) 📝 - Benchmark Source ADX - Test Multi Config Graph	111.81 ns	121.66 ns	1.09	0.03	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.Text.Json.Tests.Utf8JsonReaderCommentsTests*'

### System.Text.Json.Tests.Utf8JsonReaderCommentsTests.Utf8JsonReaderCommentParsing(CommentHandling: Allow, SegmentSize: 0, TestCase: LongSingleLine) #### ETL Files #### Histogram #### JIT Disasms ### System.Text.Json.Tests.Utf8JsonReaderCommentsTests.Utf8JsonReaderCommentParsing(CommentHandling: Skip, SegmentSize: 0, TestCase: LongSingleLine) #### 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	ubuntu 22.04
Queue	TigerUbuntu
Baseline	03498891fcfde3aca87741c0dc6eb27d48ea9310
Compare	4caf064140aa70e4b917da23546a5cd501d4c2bb
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Regressions in System.Memory.ReadOnlySpan

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
[IndexOfString - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/System.Memory.ReadOnlySpan.IndexOfString(input%3a%20%22Hello%20Worldbbbbbbbbbbbbbbcbbbbbbbbbbbbbbbbbbba!%22%2c%20value%3a%20%22y%22%2c%20comparisonType%3a%20Ordinal).html>) 📝 - Benchmark Source ADX - Test Multi Config Graph	7.24 ns	8.57 ns	1.18	0.13	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.Memory.ReadOnlySpan*'

### System.Memory.ReadOnlySpan.IndexOfString(input: "Hello Worldbbbbbbbbbbbbbbcbbbbbbbbbbbbbbbbbbba!", value: "y", comparisonType: Ordinal) #### 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)