[Perf] Linux/x64: 36 Regressions on 9/10/2024 7:09:49 PM

[performanceautofiler]

Run Information

Name	Value
Architecture	x64
OS	ubuntu 22.04
Queue	TigerUbuntu
Baseline	4ee97899b23c4c7f64568563ab871c60bdba6f13
Compare	43f22c651184fe63935f5e509ab060d099d55f9d
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Regressions in System.Tests.Perf_UInt16

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
Parse - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	6.97 ns	8.05 ns	1.16	0.06	False
TryParse - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	10.53 ns	12.34 ns	1.17	0.09	False
TryParse - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	10.79 ns	13.06 ns	1.21	0.07	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_UInt16*'

System.Tests.Perf_UInt16.Parse(value: "0")

ETL Files

Histogram

JIT Disasms

System.Tests.Perf_UInt16.TryParse(value: "12345")

ETL Files

Histogram

JIT Disasms

System.Tests.Perf_UInt16.TryParse(value: "65535")

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	TigerUbuntu
Baseline	4ee97899b23c4c7f64568563ab871c60bdba6f13
Compare	43f22c651184fe63935f5e509ab060d099d55f9d
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Regressions in PerfLabTests.LowLevelPerf

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
ClassVirtualMethod - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	111.03 μs	135.06 μs	1.22	0.04	False
EmptyStaticFunction - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	1.06 ms	2.10 ms	1.99	0.19	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 'PerfLabTests.LowLevelPerf*'

PerfLabTests.LowLevelPerf.ClassVirtualMethod

ETL Files

Histogram

JIT Disasms

PerfLabTests.LowLevelPerf.EmptyStaticFunction

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	TigerUbuntu
Baseline	4ee97899b23c4c7f64568563ab871c60bdba6f13
Compare	43f22c651184fe63935f5e509ab060d099d55f9d
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	172.61 ns	203.93 ns	1.18	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.Collections.Perf_Frozen<NotKnownComparable>*'

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

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	TigerUbuntu
Baseline	4ee97899b23c4c7f64568563ab871c60bdba6f13
Compare	43f22c651184fe63935f5e509ab060d099d55f9d
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Regressions in System.Collections.IterateForEachNonGeneric<Int32>

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
ArrayList - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	1.50 μs	1.81 μs	1.20	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.Collections.IterateForEachNonGeneric<Int32>*'

System.Collections.IterateForEachNonGeneric<Int32>.ArrayList(Size: 512)

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	TigerUbuntu
Baseline	4ee97899b23c4c7f64568563ab871c60bdba6f13
Compare	43f22c651184fe63935f5e509ab060d099d55f9d
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Regressions in Struct.GSeq

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
FilterSkipMapSum - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	9.02 μs	10.01 μs	1.11	0.07	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 'Struct.GSeq*'

Struct.GSeq.FilterSkipMapSum

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	TigerUbuntu
Baseline	4ee97899b23c4c7f64568563ab871c60bdba6f13
Compare	43f22c651184fe63935f5e509ab060d099d55f9d
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Regressions in System.Text.Json.Document.Tests.Perf_EnumerateObject

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
PropertyIndexer - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	1.85 μs	1.98 μs	1.07	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 'System.Text.Json.Document.Tests.Perf_EnumerateObject*'

System.Text.Json.Document.Tests.Perf_EnumerateObject.PropertyIndexer(TestCase: StringProperties)

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	TigerUbuntu
Baseline	4ee97899b23c4c7f64568563ab871c60bdba6f13
Compare	43f22c651184fe63935f5e509ab060d099d55f9d
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Regressions in Benchstone.MDBenchI.MDPuzzle

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	455.56 ms	498.26 ms	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 'Benchstone.MDBenchI.MDPuzzle*'

Benchstone.MDBenchI.MDPuzzle.Test

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	TigerUbuntu
Baseline	4ee97899b23c4c7f64568563ab871c60bdba6f13
Compare	43f22c651184fe63935f5e509ab060d099d55f9d
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Regressions in System.Collections.ContainsTrue<String>

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
Span - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	358.78 μs	384.12 μs	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.ContainsTrue<String>*'

System.Collections.ContainsTrue<String>.Span(Size: 512)

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	TigerUbuntu
Baseline	4ee97899b23c4c7f64568563ab871c60bdba6f13
Compare	43f22c651184fe63935f5e509ab060d099d55f9d
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Regressions in System.Numerics.Tensors.Tests.Perf_NumberTensorPrimitives<Int32>

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
Add_Vector - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	14.71 ns	15.96 ns	1.08	0.09	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.Tensors.Tests.Perf_NumberTensorPrimitives<Int32>*'

System.Numerics.Tensors.Tests.Perf_NumberTensorPrimitives<Int32>.Add_Vector(BufferLength: 128)

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	TigerUbuntu
Baseline	4ee97899b23c4c7f64568563ab871c60bdba6f13
Compare	43f22c651184fe63935f5e509ab060d099d55f9d
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 📝 - Benchmark Source ADX - Test Multi Config Graph	12.44 ns	14.43 ns	1.16	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.Tests.Perf_UInt32*'

System.Tests.Perf_UInt32.TryParseHex(value: "FFFFFFFF")

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	TigerUbuntu
Baseline	4ee97899b23c4c7f64568563ab871c60bdba6f13
Compare	43f22c651184fe63935f5e509ab060d099d55f9d
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Regressions in System.Numerics.Tests.Perf_BigInteger

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
ToStringX - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	301.72 ns	319.06 ns	1.06	0.03	False
Divide - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	468.05 ns	555.37 ns	1.19	0.03	False
Divide - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	3.93 ms	4.71 ms	1.20	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.Numerics.Tests.Perf_BigInteger*'

System.Numerics.Tests.Perf_BigInteger.ToStringX(numberString: 12345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890)

ETL Files

Histogram

JIT Disasms

System.Numerics.Tests.Perf_BigInteger.Divide(arguments: 1024,512 bits)

ETL Files

Histogram

JIT Disasms

System.Numerics.Tests.Perf_BigInteger.Divide(arguments: 65536,32768 bits)

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	TigerUbuntu
Baseline	4ee97899b23c4c7f64568563ab871c60bdba6f13
Compare	43f22c651184fe63935f5e509ab060d099d55f9d
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Regressions in System.Memory.Span<Char>

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
BinarySearch - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	7.46 ns	9.64 ns	1.29	0.07	False
BinarySearch - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	4.71 ns	6.06 ns	1.29	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 'System.Memory.Span<Char>*'

System.Memory.Span<Char>.BinarySearch(Size: 512)

ETL Files

Histogram

JIT Disasms

System.Memory.Span<Char>.BinarySearch(Size: 33)

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	TigerUbuntu
Baseline	4ee97899b23c4c7f64568563ab871c60bdba6f13
Compare	43f22c651184fe63935f5e509ab060d099d55f9d
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Regressions in System.Memory.Span<Byte>

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
StartsWith - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	2.28 ns	3.58 ns	1.57	0.07	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.Span<Byte>*'

System.Memory.Span<Byte>.StartsWith(Size: 33)

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	TigerUbuntu
Baseline	4ee97899b23c4c7f64568563ab871c60bdba6f13
Compare	43f22c651184fe63935f5e509ab060d099d55f9d
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Regressions in System.Collections.ContainsKeyFalse<Int32, Int32>

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
ConcurrentDictionary - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	1.69 μs	1.83 μs	1.08	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.Collections.ContainsKeyFalse<Int32, Int32>*'

System.Collections.ContainsKeyFalse<Int32, Int32>.ConcurrentDictionary(Size: 512)

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	TigerUbuntu
Baseline	4ee97899b23c4c7f64568563ab871c60bdba6f13
Compare	43f22c651184fe63935f5e509ab060d099d55f9d
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Regressions in System.Tests.Perf_Version

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
TryParse2 - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	25.44 ns	28.32 ns	1.11	0.14	False
TryParse3 - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	37.63 ns	40.57 ns	1.08	0.08	False
Parse3 - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	39.01 ns	41.91 ns	1.07	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.Tests.Perf_Version*'

System.Tests.Perf_Version.TryParse2

ETL Files

Histogram

JIT Disasms

System.Tests.Perf_Version.TryParse3

ETL Files

Histogram

JIT Disasms

System.Tests.Perf_Version.Parse3

ETL Files

Histogram

JIT Disasms

Docs

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

[performanceautofiler]

Run Information

Name	Value
Architecture	x64
OS	ubuntu 22.04
Queue	TigerUbuntu
Baseline	4ee97899b23c4c7f64568563ab871c60bdba6f13
Compare	43f22c651184fe63935f5e509ab060d099d55f9d
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Regressions in System.Collections.IterateForEachNonGeneric<String>

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
ArrayList - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	1.50 μs	1.77 μs	1.18	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.Collections.IterateForEachNonGeneric<String>*'

System.Collections.IterateForEachNonGeneric<String>.ArrayList(Size: 512)

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	TigerUbuntu
Baseline	4ee97899b23c4c7f64568563ab871c60bdba6f13
Compare	43f22c651184fe63935f5e509ab060d099d55f9d
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
SortedSet - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	3.16 μs	3.46 μs	1.09	0.16	False
SortedList - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	2.92 μs	3.11 μs	1.06	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.Collections.IterateForEach<String>*'

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

ETL Files

Histogram

JIT Disasms

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

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	TigerUbuntu
Baseline	4ee97899b23c4c7f64568563ab871c60bdba6f13
Compare	43f22c651184fe63935f5e509ab060d099d55f9d
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Regressions in System.Collections.Perf_SingleCharFrozenDictionary

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	3.34 μs	3.57 μs	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_SingleCharFrozenDictionary*'

System.Collections.Perf_SingleCharFrozenDictionary.TryGetValue_False_FrozenDictionary(Count: 1000)

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	TigerUbuntu
Baseline	4ee97899b23c4c7f64568563ab871c60bdba6f13
Compare	43f22c651184fe63935f5e509ab060d099d55f9d
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Regressions in System.Collections.ContainsKeyTrue<Int32, Int32>

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
ImmutableDictionary - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	12.21 μs	13.32 μs	1.09	0.02	False
Dictionary - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	2.04 μs	2.31 μs	1.13	0.07	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.ContainsKeyTrue<Int32, Int32>*'

System.Collections.ContainsKeyTrue<Int32, Int32>.ImmutableDictionary(Size: 512)

ETL Files

Histogram

JIT Disasms

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

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	TigerUbuntu
Baseline	4ee97899b23c4c7f64568563ab871c60bdba6f13
Compare	43f22c651184fe63935f5e509ab060d099d55f9d
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Regressions in IfStatements.IfStatements

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
SingleArray - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	20.09 μs	22.58 μs	1.12	0.03	False
AndAnd - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	26.78 μs	29.25 μs	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 'IfStatements.IfStatements*'

IfStatements.IfStatements.SingleArray

ETL Files

Histogram

JIT Disasms

IfStatements.IfStatements.AndAnd

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	TigerUbuntu
Baseline	4ee97899b23c4c7f64568563ab871c60bdba6f13
Compare	43f22c651184fe63935f5e509ab060d099d55f9d
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Regressions in System.Memory.Span<Int32>

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
IndexOfValue - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	22.87 ns	24.86 ns	1.09	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.Memory.Span<Int32>*'

System.Memory.Span<Int32>.IndexOfValue(Size: 512)

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	TigerUbuntu
Baseline	4ee97899b23c4c7f64568563ab871c60bdba6f13
Compare	43f22c651184fe63935f5e509ab060d099d55f9d
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Regressions in System.Text.Perf_Ascii

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
Equals_Chars - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	8.21 ns	10.29 ns	1.25	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 'System.Text.Perf_Ascii*'

System.Text.Perf_Ascii.Equals_Chars(Size: 128)

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	TigerUbuntu
Baseline	4ee97899b23c4c7f64568563ab871c60bdba6f13
Compare	43f22c651184fe63935f5e509ab060d099d55f9d
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
WhereLast_LastElementMatches - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	14.55 ns	16.03 ns	1.10	0.19	False
SequenceEqual - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	204.17 ns	226.37 ns	1.11	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.Linq.Tests.Perf_Enumerable*'

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

ETL Files

Histogram

JIT Disasms

System.Linq.Tests.Perf_Enumerable.SequenceEqual(input1: IEnumerable, input2: IEnumerable)

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	TigerUbuntu
Baseline	4ee97899b23c4c7f64568563ab871c60bdba6f13
Compare	43f22c651184fe63935f5e509ab060d099d55f9d
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Regressions in System.Collections.AddGivenSize<Int32>

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
IDictionary - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	3.57 μs	4.15 μs	1.16	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.Collections.AddGivenSize<Int32>*'

System.Collections.AddGivenSize<Int32>.IDictionary(Size: 512)

ETL Files

Histogram

JIT Disasms

Docs

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

[LoopedBard3]

No obvious causes in the diff: dotnet/runtime@ad6c18f...636c863. These are also only being seen on Tiger machines (Windows issues: #41297). There appears to be a similar number of improvements so maybe hardware specific weirdness. Marking look again as there is not currently anything actionable and a large number of the tests appear to be modal/noisy.

[LoopedBard3]

Closing as a few of the more likely actual regression graphs returned to their pre-regression values making it seem like this is likely just noise.