[Perf] Linux/x64: 32 Regressions on 6/4/2025 5:12:34 PM +00:00

[performanceautofiler]

Run Information

Name	Value
Architecture	x64
OS	ubuntu 22.04
Queue	ViperUbuntu
Baseline	dda9996426c9a88c6f6d692b5094326a9511b072
Compare	3427e5fe067db2656d2e59d5d6957bbd98adb9b6
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Regressions in System.Collections.Tests.Perf_Dictionary

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
Clone - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	6.49 μs	7.34 μs	1.13	0.00	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.Tests.Perf_Dictionary*'

System.Collections.Tests.Perf_Dictionary.Clone(Items: 3000)

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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	dda9996426c9a88c6f6d692b5094326a9511b072
Compare	3427e5fe067db2656d2e59d5d6957bbd98adb9b6
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Regressions in System.Tests.Perf_UInt64

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
ToString - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	15.79 ns	17.22 ns	1.09	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.Tests.Perf_UInt64*'

System.Tests.Perf_UInt64.ToString(value: 18446744073709551615)

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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	dda9996426c9a88c6f6d692b5094326a9511b072
Compare	3427e5fe067db2656d2e59d5d6957bbd98adb9b6
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Regressions in System.Collections.CtorFromCollection<Int32>

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
Dictionary - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	1.19 μs	1.31 μs	1.11	0.00	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.CtorFromCollection<Int32>*'

System.Collections.CtorFromCollection<Int32>.Dictionary(Size: 512)

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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	dda9996426c9a88c6f6d692b5094326a9511b072
Compare	3427e5fe067db2656d2e59d5d6957bbd98adb9b6
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Regressions in ByteMark

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
BenchNeuralJagged - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	396.03 ms	463.69 ms	1.17	0.00	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 'ByteMark*'

ByteMark.BenchNeuralJagged

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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	dda9996426c9a88c6f6d692b5094326a9511b072
Compare	3427e5fe067db2656d2e59d5d6957bbd98adb9b6
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Regressions in System.Collections.Perf_Frozen<NotKnownComparable>

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
TryGetValue_True - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	1.42 μs	1.53 μs	1.07	0.00	False
Contains_True - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	1.23 μs	1.32 μs	1.08	0.00	False
TryGetValue_True - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	171.71 ns	183.43 ns	1.07	0.01	False
Contains_True - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	148.82 ns	157.58 ns	1.06	0.00	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.Perf_Frozen<NotKnownComparable>*'

System.Collections.Perf_Frozen<NotKnownComparable>.TryGetValue_True(Count: 512)

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System.Collections.Perf_Frozen<NotKnownComparable>.Contains_True(Count: 512)

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System.Collections.Perf_Frozen<NotKnownComparable>.TryGetValue_True(Count: 64)

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System.Collections.Perf_Frozen<NotKnownComparable>.Contains_True(Count: 64)

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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	dda9996426c9a88c6f6d692b5094326a9511b072
Compare	3427e5fe067db2656d2e59d5d6957bbd98adb9b6
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Regressions in Benchstone.BenchF.Simpsn

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
Test - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	83.73 ms	155.89 ms	1.86	0.04	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 'Benchstone.BenchF.Simpsn*'

Benchstone.BenchF.Simpsn.Test

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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	dda9996426c9a88c6f6d692b5094326a9511b072
Compare	3427e5fe067db2656d2e59d5d6957bbd98adb9b6
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Regressions in Benchstone.BenchI.AddArray2

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
Test - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	7.85 ms	9.08 ms	1.16	0.00	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 'Benchstone.BenchI.AddArray2*'

Benchstone.BenchI.AddArray2.Test

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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	dda9996426c9a88c6f6d692b5094326a9511b072
Compare	3427e5fe067db2656d2e59d5d6957bbd98adb9b6
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Regressions in System.Linq.Tests.Perf_Enumerable

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
SingleWithPredicate_FirstElementMatches - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	31.01 ns	39.03 ns	1.26	0.14	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.Linq.Tests.Perf_Enumerable*'

System.Linq.Tests.Perf_Enumerable.SingleWithPredicate_FirstElementMatches(input: Array)

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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	dda9996426c9a88c6f6d692b5094326a9511b072
Compare	3427e5fe067db2656d2e59d5d6957bbd98adb9b6
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Regressions in System.Tests.Perf_Char

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
Char_IsUpper - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	10.49 ns	14.95 ns	1.43	0.15	False
Char_IsLower - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	13.56 ns	18.95 ns	1.40	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
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Tests.Perf_Char*'

System.Tests.Perf_Char.Char_IsUpper(input: "Good afternoon, Constable!")

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System.Tests.Perf_Char.Char_IsLower(input: "Good afternoon, Constable!")

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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	dda9996426c9a88c6f6d692b5094326a9511b072
Compare	3427e5fe067db2656d2e59d5d6957bbd98adb9b6
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Regressions in System.Tests.Perf_Int32

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
ToStringHex - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	11.90 ns	14.73 ns	1.24	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_Int32*'

System.Tests.Perf_Int32.ToStringHex(value: -2147483648)

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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	dda9996426c9a88c6f6d692b5094326a9511b072
Compare	3427e5fe067db2656d2e59d5d6957bbd98adb9b6
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Regressions in SciMark2.kernel

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
benchSparseMult - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	380.82 ms	418.71 ms	1.10	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 'SciMark2.kernel*'

SciMark2.kernel.benchSparseMult

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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	dda9996426c9a88c6f6d692b5094326a9511b072
Compare	3427e5fe067db2656d2e59d5d6957bbd98adb9b6
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Regressions in Benchstone.BenchI.BubbleSort2

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
Test - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	17.25 ms	21.13 ms	1.22	0.58	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 'Benchstone.BenchI.BubbleSort2*'

Benchstone.BenchI.BubbleSort2.Test

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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	dda9996426c9a88c6f6d692b5094326a9511b072
Compare	3427e5fe067db2656d2e59d5d6957bbd98adb9b6
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Regressions in System.Collections.ContainsTrue<Int32>

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
SortedSet - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	5.07 μs	5.48 μs	1.08	0.28	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.ContainsTrue<Int32>*'

System.Collections.ContainsTrue<Int32>.SortedSet(Size: 512)

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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	dda9996426c9a88c6f6d692b5094326a9511b072
Compare	3427e5fe067db2656d2e59d5d6957bbd98adb9b6
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Regressions in System.Collections.Tests.Perf_PriorityQueue<Int32, Int32>

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
Dequeue_And_Enqueue - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	2.50 μs	2.69 μs	1.08	0.02	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.Tests.Perf_PriorityQueue<Int32, Int32>*'

System.Collections.Tests.Perf_PriorityQueue<Int32, Int32>.Dequeue_And_Enqueue(Size: 100)

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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	dda9996426c9a88c6f6d692b5094326a9511b072
Compare	3427e5fe067db2656d2e59d5d6957bbd98adb9b6
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
TryGetValue_True - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	171.55 ns	181.60 ns	1.06	0.00	False
Contains_True - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	1.23 μs	1.36 μs	1.10	0.00	False
Contains_True - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	149.49 ns	162.87 ns	1.09	0.01	False
TryGetValue_True - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	1.42 μs	1.50 μs	1.06	0.00	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.Perf_Frozen<Int16>*'

System.Collections.Perf_Frozen<Int16>.TryGetValue_True(Count: 64)

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System.Collections.Perf_Frozen<Int16>.Contains_True(Count: 512)

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System.Collections.Perf_Frozen<Int16>.Contains_True(Count: 64)

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System.Collections.Perf_Frozen<Int16>.TryGetValue_True(Count: 512)

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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	dda9996426c9a88c6f6d692b5094326a9511b072
Compare	3427e5fe067db2656d2e59d5d6957bbd98adb9b6
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Regressions in Benchstone.BenchI.XposMatrix

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
Test - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	11.18 μs	13.12 μs	1.17	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 'Benchstone.BenchI.XposMatrix*'

Benchstone.BenchI.XposMatrix.Test

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

[performanceautofiler]

Run Information

Name	Value
Architecture	x64
OS	ubuntu 22.04
Queue	ViperUbuntu
Baseline	dda9996426c9a88c6f6d692b5094326a9511b072
Compare	3427e5fe067db2656d2e59d5d6957bbd98adb9b6
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Regressions in System.Net.Tests.Perf_WebUtility

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
Decode_NoDecodingRequired - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	46.16 ns	52.90 ns	1.15	0.06	False
Decode_DecodingRequired - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	70.47 ns	75.24 ns	1.07	0.06	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.Net.Tests.Perf_WebUtility*'

System.Net.Tests.Perf_WebUtility.Decode_NoDecodingRequired

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System.Net.Tests.Perf_WebUtility.Decode_DecodingRequired

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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	dda9996426c9a88c6f6d692b5094326a9511b072
Compare	3427e5fe067db2656d2e59d5d6957bbd98adb9b6
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Regressions in System.Buffers.Text.Tests.Utf8FormatterTests

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
FormatterUInt64 - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	12.02 ns	13.65 ns	1.14	0.08	False
FormatterInt64 - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	12.07 ns	13.25 ns	1.10	0.06	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.Buffers.Text.Tests.Utf8FormatterTests*'

System.Buffers.Text.Tests.Utf8FormatterTests.FormatterUInt64(value: 18446744073709551615)

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System.Buffers.Text.Tests.Utf8FormatterTests.FormatterInt64(value: 9223372036854775807)

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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	dda9996426c9a88c6f6d692b5094326a9511b072
Compare	3427e5fe067db2656d2e59d5d6957bbd98adb9b6
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Regressions in JetStream.TimeSeriesSegmentation

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
MaximizeSchwarzCriterion - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	40.74 ms	43.09 ms	1.06	0.16	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 'JetStream.TimeSeriesSegmentation*'

JetStream.TimeSeriesSegmentation.MaximizeSchwarzCriterion

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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	dda9996426c9a88c6f6d692b5094326a9511b072
Compare	3427e5fe067db2656d2e59d5d6957bbd98adb9b6
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Regressions in System.Numerics.Tests.Perf_VectorConvert

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
Convert_float_uint - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	393.01 ns	546.73 ns	1.39	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.Numerics.Tests.Perf_VectorConvert*'

System.Numerics.Tests.Perf_VectorConvert.Convert_float_uint

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	dda9996426c9a88c6f6d692b5094326a9511b072
Compare	3427e5fe067db2656d2e59d5d6957bbd98adb9b6
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Regressions in Burgers

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
Test0 - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	276.13 ms	1.59 secs	5.77	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 'Burgers*'

Burgers.Test0

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	dda9996426c9a88c6f6d692b5094326a9511b072
Compare	3427e5fe067db2656d2e59d5d6957bbd98adb9b6
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Regressions in System.Collections.Perf_LengthBucketsFrozenDictionary

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
TryGetValue_False_FrozenDictionary - Duration of single invocation ADX - Test Multi Config Graph	87.70 ns	94.28 ns	1.07	0.02	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.Perf_LengthBucketsFrozenDictionary*'

System.Collections.Perf_LengthBucketsFrozenDictionary.TryGetValue_False_FrozenDictionary(Count: 100, ItemsPerBucket: 5)

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	dda9996426c9a88c6f6d692b5094326a9511b072
Compare	3427e5fe067db2656d2e59d5d6957bbd98adb9b6
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Regressions in System.Collections.IterateForEach<String>

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
Dictionary - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	827.03 ns	921.43 ns	1.11	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.Collections.IterateForEach<String>*'

System.Collections.IterateForEach<String>.Dictionary(Size: 512)

ETL Files

Histogram

JIT Disasms

Docs

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

[LoopedBard3]

Likely due to #116017. FYI @amanasifkhalid

Related Regressions:

• [Perf] Windows/x64: 37 Regressions on 6/4/2025 5:12:34 PM +00:00 perf-autofiling-issues#57168
• [Perf] Windows/x64: 75 Regressions on 6/4/2025 5:12:34 PM +00:00 perf-autofiling-issues#57117
• [Perf] Linux/x64: 88 Regressions on 6/4/2025 5:12:34 PM +00:00 perf-autofiling-issues#57111
• [Perf] Linux/x64: 5 Regressions on 6/4/2025 9:00:29 PM +00:00 perf-autofiling-issues#57112
• [Perf] Windows/x64: 1 Regression on 6/4/2025 9:00:29 PM +00:00 perf-autofiling-issues#57118
• [Perf] Windows/x64: 3 Regressions on 6/3/2025 3:27:07 AM +00:00 perf-autofiling-issues#57114
• [Perf] Linux/arm64: 51 Regressions on 6/4/2025 4:11:30 PM +00:00 perf-autofiling-issues#57432
• [Perf] Windows/arm64: 10 Regressions on 6/4/2025 4:11:30 PM +00:00 perf-autofiling-issues#57477
• [Perf] Linux/arm64: 1 Regression on 6/4/2025 9:00:29 PM +00:00 perf-autofiling-issues#57433
• [Perf] Windows/arm64: 5 Regressions on 6/4/2025 9:00:29 PM +00:00 perf-autofiling-issues#57478
• [Perf] Linux/arm64: 1 Regression on 6/3/2025 11:51:36 PM +00:00 perf-autofiling-issues#57431
• [Perf] Windows/arm64: 2 Regressions on 6/4/2025 9:13:45 AM +00:00 perf-autofiling-issues#57476
• [Perf] Windows/arm64: 2 Regressions on 6/4/2025 9:44:56 PM +00:00 perf-autofiling-issues#57479

Improvements:

• [Perf] Linux/x64: 23 Improvements on 6/4/2025 5:12:34 PM +00:00 perf-autofiling-issues#57262
• [Perf] Windows/x64: 19 Improvements on 6/4/2025 5:12:34 PM +00:00 perf-autofiling-issues#57219
• [Perf] Windows/x64: 53 Improvements on 6/4/2025 5:12:34 PM +00:00 perf-autofiling-issues#57137
• [Perf] Linux/x64: 53 Improvements on 6/4/2025 5:12:34 PM +00:00 perf-autofiling-issues#57147