[Perf] Linux/x64: 8 Regressions on 1/14/2025 10:45:36 PM +00:00

[performanceautofiler]

Run Information

Name	Value
Architecture	x64
OS	ubuntu 22.04
Queue	ViperUbuntu
Baseline	9fea44166064fb9ca6ef1bab9362f24c47512ae1
Compare	73bcb1d808e906808f91780aa1af23208549426f
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Regressions in System.Security.Cryptography.Primitives.Tests.Performance.Perf_FixedTimeEquals

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
FixedTimeEquals_256Bit_FirstBitDifferent - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	89.72 ns	109.06 ns	1.22	0.04	False
FixedTimeEquals_256Bit_CascadingErrors - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	89.74 ns	109.16 ns	1.22	0.03	False
FixedTimeEquals_256Bit_Equal - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	89.72 ns	109.21 ns	1.22	0.03	False
FixedTimeEquals_256Bit_LastBitDifferent - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	89.78 ns	109.13 ns	1.22	0.04	False
FixedTimeEquals_256Bit_VersusZero - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	89.74 ns	109.06 ns	1.22	0.02	False
FixedTimeEquals_256Bit_AllBitsDifferent - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	89.76 ns	109.06 ns	1.22	0.01	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.Security.Cryptography.Primitives.Tests.Performance.Perf_FixedTimeEquals*'

System.Security.Cryptography.Primitives.Tests.Performance.Perf_FixedTimeEquals.FixedTimeEquals_256Bit_FirstBitDifferent

ETL Files

Histogram

JIT Disasms

System.Security.Cryptography.Primitives.Tests.Performance.Perf_FixedTimeEquals.FixedTimeEquals_256Bit_CascadingErrors

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System.Security.Cryptography.Primitives.Tests.Performance.Perf_FixedTimeEquals.FixedTimeEquals_256Bit_Equal

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System.Security.Cryptography.Primitives.Tests.Performance.Perf_FixedTimeEquals.FixedTimeEquals_256Bit_LastBitDifferent

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JIT Disasms

System.Security.Cryptography.Primitives.Tests.Performance.Perf_FixedTimeEquals.FixedTimeEquals_256Bit_VersusZero

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System.Security.Cryptography.Primitives.Tests.Performance.Perf_FixedTimeEquals.FixedTimeEquals_256Bit_AllBitsDifferent

ETL Files

Histogram

JIT Disasms

Docs

Profiling workflow for dotnet/runtime repository
Benchmarking workflow for dotnet/runtime repository

---

Run Information

Name	Value
Architecture	x64
OS	ubuntu 22.04
Queue	ViperUbuntu
Baseline	9fea44166064fb9ca6ef1bab9362f24c47512ae1
Compare	73bcb1d808e906808f91780aa1af23208549426f
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Regressions in System.IO.Tests.Perf_StreamWriter

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
WritePartialCharArray - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	79.21 ms	83.61 ms	1.06	0.01	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.IO.Tests.Perf_StreamWriter*'

System.IO.Tests.Perf_StreamWriter.WritePartialCharArray(writeLength: 2)

ETL Files

Histogram

JIT Disasms

Docs

Profiling workflow for dotnet/runtime repository
Benchmarking workflow for dotnet/runtime repository

---

Run Information

Name	Value
Architecture	x64
OS	ubuntu 22.04
Queue	ViperUbuntu
Baseline	9fea44166064fb9ca6ef1bab9362f24c47512ae1
Compare	73bcb1d808e906808f91780aa1af23208549426f
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Regressions in System.Collections.TryGetValueTrue<SmallClass, SmallClass>

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
SortedList - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	14.87 μs	16.36 μs	1.10	0.23	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.Collections.TryGetValueTrue<SmallClass, SmallClass>*'

System.Collections.TryGetValueTrue<SmallClass, SmallClass>.SortedList(Size: 512)

ETL Files

Histogram

JIT Disasms

Docs

Profiling workflow for dotnet/runtime repository
Benchmarking workflow for dotnet/runtime repository

[DrewScoggins]

Seems related to #111253

Regressions

Windows x64 Tiger:

• [Perf] Windows/x64: 12 Regressions on 1/14/2025 10:45:36 PM +00:00 perf-autofiling-issues#48469
• [Perf] Windows/x64: 25 Regressions on 1/13/2025 10:16:18 PM +00:00 perf-autofiling-issues#48467

Linux x64 Tiger:

• [Perf] Linux/x64: 4 Regressions on 1/14/2025 10:45:36 PM +00:00 perf-autofiling-issues#48452

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