[Perf] Linux/arm64: 26 Regressions on 7/29/2026 4:04:54 AM +00:00

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#77,458 erstellt am 06.8.2026 4 Kommentare 0 Reaktionen 0 zugewiesene Personen Auf GitHub ansehen

arch-arm64 branch-refs/heads/main compilationmode-tiered kind-micro Look Again os-linux perf-regression runkind-micro runtime-coreclr untriaged

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Beschreibung

### Run Information

Name | Value
-- | --
Architecture | arm64
OS | azurelinux 3.0
Queue | CobaltAzureLinux
Baseline | [975877333c98d9d08bad66670d74accc6047be34](https://github.com/dotnet/runtime/commit/975877333c98d9d08bad66670d74accc6047be34)
Compare | [3dad2c9f5b81d9263c01399d8b28c32b979c2da5](https://github.com/dotnet/runtime/commit/3dad2c9f5b81d9263c01399d8b28c32b979c2da5)
Diff | [Diff](https://github.com/dotnet/runtime/compare/975877333c98d9d08bad66670d74accc6047be34...3dad2c9f5b81d9263c01399d8b28c32b979c2da5)
Configs | CompilationMode:tiered, RunKind:micro

### Regressions in Microsoft.Extensions.DependencyInjection.GetService

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|

[NoDI - Duration of single invocation]()
📝 - [Benchmark Source]()
[ADX - Test Multi Config Graph]()

| 5.33 ns | 7.86 ns | 1.47 | 0.22 | False | | |
|

[ServiceScope - Duration of single invocation]()
📝 - [Benchmark Source]()
[ADX - Test Multi Config Graph]()

| 44.84 ns | 54.68 ns | 1.22 | 0.23 | False | | |
|

[Scoped - Duration of single invocation]()
📝 - [Benchmark Source]()
[ADX - Test Multi Config Graph]()

| 68.19 ns | 79.21 ns | 1.16 | 0.20 | False | | |
|

[Transient - Duration of single invocation]()
📝 - [Benchmark Source]()
[ADX - Test Multi Config Graph]()

| 21.06 ns | 24.37 ns | 1.16 | 0.14 | False | | |

![graph]()
![graph]()
![graph]()
![graph]()
[Test Report]()

### Repro
General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md

```cmd
git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'Microsoft.Extensions.DependencyInjection.GetService*'
```

### Microsoft.Extensions.DependencyInjection.GetService.NoDI

#### ETL Files

#### Histogram

#### JIT Disasms

### Microsoft.Extensions.DependencyInjection.GetService.ServiceScope

#### ETL Files

#### Histogram

#### JIT Disasms

### Microsoft.Extensions.DependencyInjection.GetService.Scoped

#### ETL Files

#### Histogram

#### JIT Disasms

### Microsoft.Extensions.DependencyInjection.GetService.Transient

#### 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

### Regressions in System.Collections.CtorFromCollectionNonGeneric<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]()

| 6.30 μs | 7.93 μs | 1.26 | 0.19 | False | | |
|

[Stack - Duration of single invocation]()
📝 - [Benchmark Source]()
[ADX - Test Multi Config Graph]()

| 8.38 μs | 9.75 μs | 1.16 | 0.10 | False | | |
|

[Hashtable - Duration of single invocation]()
📝 - [Benchmark Source]()
[ADX - Test Multi Config Graph]()

| 24.73 μs | 27.26 μs | 1.10 | 0.18 | False | | |

![graph]()
![graph]()
![graph]()
[Test Report]()

### Repro
General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md

```cmd
git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Collections.CtorFromCollectionNonGeneric*'
```

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

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Collections.CtorFromCollectionNonGeneric<Int32>.Stack(Size: 512)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Collections.CtorFromCollectionNonGeneric<Int32>.Hashtable(Size: 512)

#### ETL Files

#### Histogram

#### JIT Disasms

### Docs

---

### Run Information

### Regressions in System.Collections.TryGetValueFalse<String, String>

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]()

| 343.29 μs | 424.70 μs | 1.24 | 0.24 | False | | |
|

[ImmutableSortedDictionary - Duration of single invocation]()
📝 - [Benchmark Source]()
[ADX - Test Multi Config Graph]()

| 323.32 μs | 376.22 μs | 1.16 | 0.22 | False | | |
|

[SortedDictionary - Duration of single invocation]()
📝 - [Benchmark Source]()
[ADX - Test Multi Config Graph]()

| 258.68 μs | 297.47 μs | 1.15 | 0.24 | False | | |

![graph]()
![graph]()
![graph]()
[Test Report]()

### Repro
General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md

```cmd
git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Collections.TryGetValueFalse*'
```

### System.Collections.TryGetValueFalse<String, String>.SortedList(Size: 512)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Collections.TryGetValueFalse<String, String>.ImmutableSortedDictionary(Size: 512)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Collections.TryGetValueFalse<String, String>.SortedDictionary(Size: 512)

#### ETL Files

#### Histogram

#### JIT Disasms

### Docs

---

### Run Information

### Regressions in System.Collections.Tests.Add_Remove_SteadyState<Int32>

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|

[ConcurrentBag - Duration of single invocation]()
📝 - [Benchmark Source]()
[ADX - Test Multi Config Graph]()

| 18.02 ns | 46.96 ns | 2.61 | 0.53 | False | | |
|

[ImmutableQueue - Duration of single invocation]()
📝 - [Benchmark Source]()
[ADX - Test Multi Config Graph]()

| 31.26 ns | 39.91 ns | 1.28 | 0.22 | False | | |
|

[ImmutableStack - Duration of single invocation]()
📝 - [Benchmark Source]()
[ADX - Test Multi Config Graph]()

| 11.76 ns | 14.76 ns | 1.26 | 0.16 | False | | |

![graph]()
![graph]()
![graph]()
[Test Report]()

### Repro
General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md

```cmd
git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Collections.Tests.Add_Remove_SteadyState*'
```

### System.Collections.Tests.Add_Remove_SteadyState<Int32>.ConcurrentBag(Count: 512)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Collections.Tests.Add_Remove_SteadyState<Int32>.ImmutableQueue(Count: 512)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Collections.Tests.Add_Remove_SteadyState<Int32>.ImmutableStack(Count: 512)

#### ETL Files

#### Histogram

#### JIT Disasms

### Docs

---

### Run Information

### Regressions in PerfLabTests.CastingPerf2.CastingPerf

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|

[ObjScalarValueType - Duration of single invocation]()
📝 - [Benchmark Source]()
[ADX - Test Multi Config Graph]()

| 720.04 μs | 957.73 μs | 1.33 | 0.18 | False | | |
|

[ObjInt - Duration of single invocation]()
📝 - [Benchmark Source]()
[ADX - Test Multi Config Graph]()

| 729.38 μs | 961.27 μs | 1.32 | 0.24 | False | | |
|

[ObjObjrefValueType - Duration of single invocation]()
📝 - [Benchmark Source]()
[ADX - Test Multi Config Graph]()

| 963.56 μs | 1190.55 μs | 1.24 | 0.20 | False | | |

![graph]()
![graph]()
![graph]()
[Test Report]()

### Repro
General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md

```cmd
git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'PerfLabTests.CastingPerf2.CastingPerf*'
```

### PerfLabTests.CastingPerf2.CastingPerf.ObjScalarValueType

#### ETL Files

#### Histogram

#### JIT Disasms

### PerfLabTests.CastingPerf2.CastingPerf.ObjInt

#### ETL Files

#### Histogram

#### JIT Disasms

### PerfLabTests.CastingPerf2.CastingPerf.ObjObjrefValueType

#### ETL Files

#### Histogram

#### JIT Disasms

### Docs

---

### Run Information

### Regressions in System.Text.Json.Node.Tests.Perf_Create

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|

[Create_JsonString - Duration of single invocation]()
📝 - [Benchmark Source]()
[ADX - Test Multi Config Graph]()

| 660.22 ns | 757.28 ns | 1.15 | 0.19 | False | | |
|

[Create_JsonArray - Duration of single invocation]()
📝 - [Benchmark Source]()
[ADX - Test Multi Config Graph]()

| 1.10 μs | 1.24 μs | 1.13 | 0.25 | False | | |

![graph]()
![graph]()
[Test Report]()

### Repro
General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md

```cmd
git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Text.Json.Node.Tests.Perf_Create*'
```

### System.Text.Json.Node.Tests.Perf_Create.Create_JsonString

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Text.Json.Node.Tests.Perf_Create.Create_JsonArray

#### ETL Files

#### Histogram

#### JIT Disasms

### Docs

---

### Run Information

### Regressions in System.Text.Json.Tests.Perf_Ctor

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|

[Ctor - Duration of single invocation]()
📝 - [Benchmark Source]()
[ADX - Test Multi Config Graph]()

| 21.88 ns | 26.67 ns | 1.22 | 0.47 | False | | |
|

[Ctor - Duration of single invocation]()
📝 - [Benchmark Source]()
[ADX - Test Multi Config Graph]()

| 23.96 ns | 28.58 ns | 1.19 | 0.31 | False | | |

![graph]()
![graph]()
[Test Report]()

### Repro
General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md

```cmd
git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Text.Json.Tests.Perf_Ctor*'
```

### System.Text.Json.Tests.Perf_Ctor.Ctor(Formatted: True, SkipValidation: False)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Text.Json.Tests.Perf_Ctor.Ctor(Formatted: False, SkipValidation: False)

#### ETL Files

#### Histogram

#### JIT Disasms

### Docs

---

### Run Information

### Regressions in System.Collections.Perf_Frozen<NotKnownComparable>

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|

[ToFrozenDictionary - Duration of single invocation]()
📝 - [Benchmark Source]()
[ADX - Test Multi Config Graph]()

| 43.54 ns | 49.75 ns | 1.14 | 0.19 | False | | |
|

[ToFrozenSet - Duration of single invocation]()
📝 - [Benchmark Source]()
[ADX - Test Multi Config Graph]()

| 91.10 ns | 102.90 ns | 1.13 | 0.17 | False | | |

![graph]()
![graph]()
[Test Report]()

### Repro
General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md

```cmd
git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Collections.Perf_Frozen*'
```

### System.Collections.Perf_Frozen<NotKnownComparable>.ToFrozenDictionary(Count: 4)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Collections.Perf_Frozen<NotKnownComparable>.ToFrozenSet(Count: 4)

#### ETL Files

#### Histogram

#### JIT Disasms

### Docs

---

### Run Information

### Regressions in System.Security.Cryptography.Tests.Perf_CryptoConfig

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|

[CreateFromName - Duration of single invocation]()
📝 - [Benchmark Source]()
[ADX - Test Multi Config Graph]()

| 491.42 ns | 568.21 ns | 1.16 | 0.17 | False | | |

![graph]()
[Test Report]()

### Repro
General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md

```cmd
git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Security.Cryptography.Tests.Perf_CryptoConfig*'
```

### System.Security.Cryptography.Tests.Perf_CryptoConfig.CreateFromName(name: "RSA")

#### ETL Files

#### Histogram

#### JIT Disasms

### Docs

---

### Run Information

### Regressions in System.Net.NetworkInformation.Tests.PhysicalAddressTests

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|

[PAMedium - Duration of single invocation]()
📝 - [Benchmark Source]()
[ADX - Test Multi Config Graph]()

| 15.56 ns | 17.79 ns | 1.14 | 0.13 | False | | |

![graph]()
[Test Report]()

### Repro
General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md

```cmd
git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Net.NetworkInformation.Tests.PhysicalAddressTests*'
```

### System.Net.NetworkInformation.Tests.PhysicalAddressTests.PAMedium

#### ETL Files

#### Histogram

#### JIT Disasms

### Docs

---

### Run Information

### Regressions in System.Collections.Perf_Frozen<ReferenceType>

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|

[ToFrozenDictionary - Duration of single invocation]()
📝 - [Benchmark Source]()
[ADX - Test Multi Config Graph]()

| 97.35 ns | 104.67 ns | 1.08 | 0.20 | False | | |

![graph]()
[Test Report]()

### Repro
General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md

```cmd
git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Collections.Perf_Frozen*'
```

### System.Collections.Perf_Frozen<ReferenceType>.ToFrozenDictionary(Count: 4)

#### ETL Files

#### Histogram

#### JIT Disasms

### Docs

---

### Run Information

### Regressions in System.Globalization.Tests.Perf_DateTimeCultureInfo

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|

[ToStringHebrewIsrael - Duration of single invocation]()
📝 - [Benchmark Source]()
[ADX - Test Multi Config Graph]()

| 252.66 ns | 279.15 ns | 1.10 | 0.15 | False | | |

![graph]()
[Test Report]()

### Repro
General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md

```cmd
git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Globalization.Tests.Perf_DateTimeCultureInfo*'
```

### System.Globalization.Tests.Perf_DateTimeCultureInfo.ToStringHebrewIsrael

#### ETL Files

#### Histogram

#### JIT Disasms

### Docs

Beitragsleitfaden

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Rechercherichtung

Start with the linked baseline/compare diff and the performance report, then review GetServiceBenchmark.cs and CtorFromCollectionNonGeneric.cs. Run the documented benchmarks_ci.py command and compare the ARM64 AzureLinux results against the supplied baseline. Done means identifying and addressing the reported regressions, with the benchmark results confirming the change.

Vom Indexierungsmodell aus dem Issue-Text verfasst.

Bewertung

Tech-Stack: azure, csharp, linux
Bereich: operating-systems, performance, testing-qa
Issue-Typ: Bug
Schwierigkeit: 4/5
Geschätzter Aufwand: 3-5 Tage
Aktivitätsstatus: Ruhig
Klarheit: Muss geklärt werden
Anfängerfreundlichkeit: 30/100

[Perf] Linux/arm64: 26 Regressions on 7/29/2026 4:04:54 AM +00:00

Beschreibung

Beitragsleitfaden

Rechercherichtung

Bewertung

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