[Perf] Linux/x64: 6 Improvements on 7/11/2025 2:36:27 PM +00:00

### Run Information

Name | Value
-- | --
Architecture | x64
OS | ubuntu 22.04
Queue | ViperUbuntu
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_ubuntu 22.04/ViperUbuntu/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> | 10.35 ns | 6.92 ns | 0.67 | 0.17 | False | | |
|<ul><li>[Compare_DifferentFirstChar - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/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=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>)</li></ul> | 8.41 ns | 4.33 ns | 0.51 | 0.07 | False | | |
|<ul><li>[Compare_DifferentFirstChar - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/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> | 7.56 ns | 3.73 ns | 0.49 | 0.07 | False | | |
|<ul><li>[Compare_Same - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/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> | 43.03 ns | 38.01 ns | 0.88 | 0.14 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/07_15_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Improvement/System.Globalization.Tests.StringEquality_001.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/07_15_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Improvement/System.Globalization.Tests.StringEquality_002.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/07_15_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Improvement/System.Globalization.Tests.StringEquality_003.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/07_15_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Improvement/System.Globalization.Tests.StringEquality_004.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/07_15_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_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
python3 .\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_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 | ubuntu 22.04
Queue | ViperUbuntu
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_ubuntu 22.04/ViperUbuntu/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=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>)</li></ul> | 4.65 ns | 1.27 ns | 0.27 | 0.20 | False | | |
|<ul><li>[Queue - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/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=H4sIAAAAAAAACl1STY/TMBC9V+p/GHpxK7JNumwRWzACSgUI7YFNBWeTTBojx47s8W4Dy39n3KYXLjP+mHl+740NEhAGAgnvRDkEwm65dcZgRdrZwGtbRe/R0vJL2HU9DW9K8toe3i6/RYw4L/Vv3ECxEK+nE8NgqiH0jFYrQtIdzq+L6/VVsb5arffFq836ZrNaLV+8LG5vbovnRbEpisXY6bF33ChqRxYp99Gm/gvuT69s1aZ7j03IW1R1yDul7aWgcrbRh/TyYFWnq/kfsXVdr41KSu5cjWIDgjR6rEUG4j7ar9rW6ZCrvRN/E5FPSJ91IOd1pcxHReqHpjbhKK8DGzJPZskUsrNUeYrZib1MIRupynPKRmLynBbTyRP03v1ig6FErzFk8CFqU+9ZbEmq6zP4rkxEuedHto5dQH+PIRp6/4BeHXA6yfMneGxZyIgAzxic2IsAsxm53bEyscbZDPIcdkeGNAiugUYbxuLZgYs8KAin5kSI51vz1JLfVas8wSOrhvm5QF5oHitnYmfl/3SH83mQJ95cR5oMSsH2ITs9jNs7VCF67PgvicU/b+uuyngCAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=>)</li></ul> | 5.17 ns | 1.75 ns | 0.34 | 0.11 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/07_15_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_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_ubuntu%2022.04/ViperUbuntu_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_ubuntu%2022.04/ViperUbuntu_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
python3 .\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	ubuntu 22.04
Queue	ViperUbuntu
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	10.35 ns	6.92 ns	0.67	0.17	False
Compare_DifferentFirstChar - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	8.41 ns	4.33 ns	0.51	0.07	False
Compare_DifferentFirstChar - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	7.56 ns	3.73 ns	0.49	0.07	False
Compare_Same - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	43.03 ns	38.01 ns	0.88	0.14	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	4.65 ns	1.27 ns	0.27	0.20	False
Queue - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	5.17 ns	1.75 ns	0.34	0.11	False

[Perf] Linux/x64: 6 Improvements on 7/11/2025 2:36:27 PM +00:00 #59296

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_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.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

Metadata

Metadata

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