[Perf] Windows/x64: 9 Improvements on 7/11/2025 2:36:27 PM +00:00

### Run Information

Name | Value
-- | --
Architecture | x64
OS | Windows 10.0.22621
Queue | TigerWindows
Baseline | [496af721753fe4f8185ee852a1949102817822ed](https://github.com/dotnet/runtime/commit/496af721753fe4f8185ee852a1949102817822ed)
Compare | [f1867b7eb398068025d5ba8296803de3eb7fb8b6](https://github.com/dotnet/runtime/commit/f1867b7eb398068025d5ba8296803de3eb7fb8b6)
Diff | [Diff](https://github.com/dotnet/runtime/compare/496af721753fe4f8185ee852a1949102817822ed...f1867b7eb398068025d5ba8296803de3eb7fb8b6)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Globalization.Tests.StringEquality

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[Compare_Same_Upper - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.22621/System.Globalization.Tests.StringEquality.Compare_Same_Upper(Count%3a%201024%2c%20Options%3a%20(en-US%2c%20Ordinal)).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Globalization/StringEquality.cs#L65-#L67>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 14.17 ns | 10.26 ns | 0.72 | 0.03 | False | | |
|<ul><li>[Compare_DifferentFirstChar - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.22621/System.Globalization.Tests.StringEquality.Compare_DifferentFirstChar(Count%3a%201024%2c%20Options%3a%20(en-US%2c%20Ordinal)).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Globalization/StringEquality.cs#L69-#L71>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=H4sIAAAAAAAACl1STY/TMBC9V+p/GHpxKtImrbYLDbIEdMsirVZI2wJH5E0mrZFjF3uy28Ly3xkn7YXLWJmPN++9iUECwkAg4b3YnAJhM7017lEZ/VuRdna65WqYbshru1v/arlAp+nKNQfl8ceNrmv0aOmT9oFWe+WTlWstFTDL51cpfDlEjFBAgnbydcMJX2mrzHgs3g0HhpermtDz9koRkm4wmefzxSRfTGaLbb4sZm+L+XKaX18vF7M3r/O8yPPxedLjwfGgqBxZpMzzWp6/4D56Zct9rHusQ7ZHVYWsUdpeGkpna72Lm09WNbpM/oioSptO9r2rUBQgSLO8SqQgHlp7p20Vk9ztnfgbidwifdaBnNelMjeK1HdN+94dHVh5Es2VMaS9VNnFtGMvY0jPVGX/pGdisn/Gw8ELHLz7iSXBBr3GkMLHVptqy2I3pJpDCt+UaVHGQ3Xmo3/A0Br68IRe7XA4yLIXeN6zkDMCvGJwYi8CjEbk1sfStBWORpBlsD4ypEFwNdTaMBafHVzLh4LQDUdCfPGKrxb9LvnmBM+sGpK+QV5oHktn2sbK/+me+nyQHW/uI00GpWD7kJ0+nT/vUYXWY8N/lxj/A5OJ5XCoAgAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=>)</li></ul> | 12.17 ns | 8.35 ns | 0.69 | 0.04 | False | | |
|<ul><li>[Compare_Same_Upper - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.22621/System.Globalization.Tests.StringEquality.Compare_Same_Upper(Count%3a%201024%2c%20Options%3a%20(en-US%2c%20OrdinalIgnoreCase)).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Globalization/StringEquality.cs#L65-#L67>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 2.76 μs | 1.09 μs | 0.39 | 0.02 | False | | |
|<ul><li>[Compare_DifferentFirstChar - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.22621/System.Globalization.Tests.StringEquality.Compare_DifferentFirstChar(Count%3a%201024%2c%20Options%3a%20(en-US%2c%20OrdinalIgnoreCase)).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Globalization/StringEquality.cs#L69-#L71>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 11.25 ns | 8.37 ns | 0.74 | 0.02 | False | | |
|<ul><li>[Compare_Same - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.22621/System.Globalization.Tests.StringEquality.Compare_Same(Count%3a%201024%2c%20Options%3a%20(en-US%2c%20Ordinal)).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Globalization/StringEquality.cs#L61-#L63>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 50.70 ns | 44.90 ns | 0.89 | 0.04 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/07_15_2025/refs/heads/main_x64_Windows%2010.0.22621_Improvement/System.Globalization.Tests.StringEquality_001.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/07_15_2025/refs/heads/main_x64_Windows%2010.0.22621_Improvement/System.Globalization.Tests.StringEquality_002.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/07_15_2025/refs/heads/main_x64_Windows%2010.0.22621_Improvement/System.Globalization.Tests.StringEquality_003.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/07_15_2025/refs/heads/main_x64_Windows%2010.0.22621_Improvement/System.Globalization.Tests.StringEquality_004.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/07_15_2025/refs/heads/main_x64_Windows%2010.0.22621_Improvement/System.Globalization.Tests.StringEquality_005.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/07_15_2025/refs/heads/main_x64_Windows%2010.0.22621_Improvement/System.Globalization.Tests.StringEquality.html>)

### 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.StringEquality*'
```

<details>

### System.Globalization.Tests.StringEquality.Compare_Same_Upper(Count: 1024, Options: (en-US, Ordinal))

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Globalization.Tests.StringEquality.Compare_DifferentFirstChar(Count: 1024, Options: (en-US, Ordinal))

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Globalization.Tests.StringEquality.Compare_Same_Upper(Count: 1024, Options: (en-US, OrdinalIgnoreCase))

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Globalization.Tests.StringEquality.Compare_DifferentFirstChar(Count: 1024, Options: (en-US, OrdinalIgnoreCase))

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Globalization.Tests.StringEquality.Compare_Same(Count: 1024, Options: (en-US, 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)

</details>


---


### Run Information

Name | Value
-- | --
Architecture | x64
OS | Windows 10.0.22621
Queue | TigerWindows
Baseline | [496af721753fe4f8185ee852a1949102817822ed](https://github.com/dotnet/runtime/commit/496af721753fe4f8185ee852a1949102817822ed)
Compare | [f1867b7eb398068025d5ba8296803de3eb7fb8b6](https://github.com/dotnet/runtime/commit/f1867b7eb398068025d5ba8296803de3eb7fb8b6)
Diff | [Diff](https://github.com/dotnet/runtime/compare/496af721753fe4f8185ee852a1949102817822ed...f1867b7eb398068025d5ba8296803de3eb7fb8b6)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Reflection.Invoke

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[Ctor4_int_string_struct_class - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.22621/System.Reflection.Invoke.Ctor4_int_string_struct_class.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/runtime/System.Reflection/Invoke.cs#L304-#L311>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 43.66 ns | 38.13 ns | 0.87 | 0.11 | False | | |
|<ul><li>[Ctor0_NoParams_Reinvoke - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.22621/System.Reflection.Invoke.Ctor0_NoParams_Reinvoke.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/runtime/System.Reflection/Invoke.cs#L284-#L293>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 71.75 ns | 62.17 ns | 0.87 | 0.02 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/07_15_2025/refs/heads/main_x64_Windows%2010.0.22621_Improvement/System.Reflection.Invoke_001.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/07_15_2025/refs/heads/main_x64_Windows%2010.0.22621_Improvement/System.Reflection.Invoke_002.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/07_15_2025/refs/heads/main_x64_Windows%2010.0.22621_Improvement/System.Reflection.Invoke.html>)

### 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.Reflection.Invoke*'
```

<details>

### System.Reflection.Invoke.Ctor4_int_string_struct_class

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Reflection.Invoke.Ctor0_NoParams_Reinvoke

#### 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)

</details>


---


### Run Information

Name | Value
-- | --
Architecture | x64
OS | Windows 10.0.22621
Queue | TigerWindows
Baseline | [496af721753fe4f8185ee852a1949102817822ed](https://github.com/dotnet/runtime/commit/496af721753fe4f8185ee852a1949102817822ed)
Compare | [f1867b7eb398068025d5ba8296803de3eb7fb8b6](https://github.com/dotnet/runtime/commit/f1867b7eb398068025d5ba8296803de3eb7fb8b6)
Diff | [Diff](https://github.com/dotnet/runtime/compare/496af721753fe4f8185ee852a1949102817822ed...f1867b7eb398068025d5ba8296803de3eb7fb8b6)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Collections.Concurrent.IsEmpty&lt;String&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[Queue - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.22621/System.Collections.Concurrent.IsEmpty(String).Queue(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Concurrent/IsEmpty.cs#L34-#L35>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=H4sIAAAAAAAACl1STY/TMBC9V+p/GHpxK7JNmlUrtmAElAoQ2gPbCs4mmTZGjh3ZY7Zdlv/OuEkvXGb8MfP83hsbJCAMBBLeid05ELbzjTMGK9LOBl7bKnqPluZfwrbt6PxmR17b49v5t4gRpzv9hGtYLsqZeD0eGYZTB0LPeLUiJN3itCzK5U2xvFks98Xd+na1Llfzu8VtuXq1elkU66KYDZ0eO8eNonZkkXIfbeq/4v70ylZNuvd4CHmDqg55q7S9FlTOHvQxvXy2qtXV9I/YuLbTRiUt965GsQZBGj3WIgPxEO1Xbet0yNXeib+JyCekzzqQ87pS5qMi9UNTk3CU14EtmSa7ZApZL1VeYnZhL1PIBqqyT9lATPZpNh49Q+fdL7YYdug1hgw+RG3qPYvdkWq7DL4rE1Hu+ZGNYxfQP2CIht7/Rq+OOB7l+TM8NixkQIAXDE7sRYDJhNz2VJlY42QCeQ7bE0MaBHeAgzaMxdMDF3lQEC7NiRBPuOapJb+rRnmCR1YN075AXmmeKmdia+X/dM/9eZAX3lxHmgxKwfYhO30etveoQvTY8m8Ss38HtJIkegIAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=>)</li></ul> | 5.33 ns | 1.96 ns | 0.37 | 0.26 | False | | |
|<ul><li>[Queue - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.22621/System.Collections.Concurrent.IsEmpty(String).Queue(Size%3a%200).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Concurrent/IsEmpty.cs#L34-#L35>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 6.75 ns | 2.66 ns | 0.39 | 0.22 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/07_15_2025/refs/heads/main_x64_Windows%2010.0.22621_Improvement/System.Collections.Concurrent.IsEmpty%28String%29_001.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/07_15_2025/refs/heads/main_x64_Windows%2010.0.22621_Improvement/System.Collections.Concurrent.IsEmpty%28String%29_002.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/07_15_2025/refs/heads/main_x64_Windows%2010.0.22621_Improvement/System.Collections.Concurrent.IsEmpty%28String%29.html>)

### 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.Concurrent.IsEmpty&lt;String&gt;*'
```

<details>

### System.Collections.Concurrent.IsEmpty&lt;String&gt;.Queue(Size: 512)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Collections.Concurrent.IsEmpty&lt;String&gt;.Queue(Size: 0)

#### 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)

</details>

Name	Value
Architecture	x64
OS	Windows 10.0.22621
Queue	TigerWindows
Baseline	496af721753fe4f8185ee852a1949102817822ed
Compare	f1867b7eb398068025d5ba8296803de3eb7fb8b6
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector
Compare_Same_Upper - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	14.17 ns	10.26 ns	0.72	0.03	False
Compare_DifferentFirstChar - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	12.17 ns	8.35 ns	0.69	0.04	False
Compare_Same_Upper - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	2.76 μs	1.09 μs	0.39	0.02	False
Compare_DifferentFirstChar - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	11.25 ns	8.37 ns	0.74	0.02	False
Compare_Same - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	50.70 ns	44.90 ns	0.89	0.04	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
Ctor4_int_string_struct_class - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	43.66 ns	38.13 ns	0.87	0.11	False
Ctor0_NoParams_Reinvoke - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	71.75 ns	62.17 ns	0.87	0.02	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
Queue - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	5.33 ns	1.96 ns	0.37	0.26	False
Queue - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	6.75 ns	2.66 ns	0.39	0.22	False

[Perf] Windows/x64: 9 Improvements on 7/11/2025 2:36:27 PM +00:00 #59351

Description

Run Information

Improvements in System.Globalization.Tests.StringEquality

Repro

System.Globalization.Tests.StringEquality.Compare_Same_Upper(Count: 1024, Options: (en-US, Ordinal))

ETL Files

Histogram

JIT Disasms

System.Globalization.Tests.StringEquality.Compare_DifferentFirstChar(Count: 1024, Options: (en-US, Ordinal))

ETL Files

Histogram

JIT Disasms

System.Globalization.Tests.StringEquality.Compare_Same_Upper(Count: 1024, Options: (en-US, OrdinalIgnoreCase))

ETL Files

Histogram

JIT Disasms

System.Globalization.Tests.StringEquality.Compare_DifferentFirstChar(Count: 1024, Options: (en-US, OrdinalIgnoreCase))

ETL Files

Histogram

JIT Disasms

System.Globalization.Tests.StringEquality.Compare_Same(Count: 1024, Options: (en-US, Ordinal))

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Improvements in System.Reflection.Invoke

Repro

System.Reflection.Invoke.Ctor4_int_string_struct_class

ETL Files

Histogram

JIT Disasms

System.Reflection.Invoke.Ctor0_NoParams_Reinvoke

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Improvements in System.Collections.Concurrent.IsEmpty<String>

Repro

System.Collections.Concurrent.IsEmpty<String>.Queue(Size: 512)

ETL Files

Histogram

JIT Disasms

System.Collections.Concurrent.IsEmpty<String>.Queue(Size: 0)

ETL Files

Histogram

JIT Disasms

Docs

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