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[Perf] Linux/x64: 108 Improvements on 9/22/2025 12:29:28 AM +00:00 #62714

@performanceautofiler

Description

@performanceautofiler

Run Information

Name Value
Architecture x64
OS ubuntu 22.04
Queue TigerUbuntu
Baseline 843b197d1b3ab286aec45463d2421c8b8b0c894c
Compare 171bbb1de92f1e4e31b3aaf46054185eb88bb117
Diff Diff
Configs CompilationMode:tiered, RunKind:micro

Improvements in System.Buffers.Tests.RentReturnArrayPoolTests<Byte>

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio
28.21 ns 24.70 ns 0.88 0.04 False
260.15 ns 217.56 ns 0.84 0.05 False
235.23 ns 217.72 ns 0.93 0.14 False

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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.Tests.RentReturnArrayPoolTests&lt;Byte&gt;*'

System.Buffers.Tests.RentReturnArrayPoolTests<Byte>.SingleSerial(RentalSize: 4096, ManipulateArray: False, Async: False, UseSharedPool: False)

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System.Buffers.Tests.RentReturnArrayPoolTests<Byte>.MultipleSerial(RentalSize: 4096, ManipulateArray: False, Async: False, UseSharedPool: False)

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System.Buffers.Tests.RentReturnArrayPoolTests<Byte>.SingleSerial(RentalSize: 4096, ManipulateArray: False, Async: True, UseSharedPool: False)

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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 TigerUbuntu
Baseline 843b197d1b3ab286aec45463d2421c8b8b0c894c
Compare 171bbb1de92f1e4e31b3aaf46054185eb88bb117
Diff Diff
Configs CompilationMode:tiered, RunKind:micro

Improvements in System.Tests.Perf_Int64

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio
10.90 ns 8.77 ns 0.80 0.10 False
22.68 ns 19.94 ns 0.88 0.14 False
23.05 ns 20.27 ns 0.88 0.32 False
16.36 ns 14.26 ns 0.87 0.06 False
31.43 ns 24.88 ns 0.79 0.10 False
31.30 ns 24.12 ns 0.77 0.10 False
22.10 ns 19.62 ns 0.89 0.17 False
23.67 ns 18.85 ns 0.80 0.19 False
11.53 ns 10.09 ns 0.88 0.09 False
36.79 ns 24.60 ns 0.67 0.09 False
31.02 ns 25.18 ns 0.81 0.18 False

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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_Int64*'

System.Tests.Perf_Int64.TryParse(value: "12345")

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System.Tests.Perf_Int64.ParseSpan(value: "9223372036854775807")

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System.Tests.Perf_Int64.TryParseSpan(value: "9223372036854775807")

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System.Tests.Perf_Int64.TryFormat(value: -9223372036854775808)

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System.Tests.Perf_Int64.ParseSpan(value: "-9223372036854775808")

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System.Tests.Perf_Int64.TryParse(value: "-9223372036854775808")

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System.Tests.Perf_Int64.Parse(value: "9223372036854775807")

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System.Tests.Perf_Int64.TryParse(value: "9223372036854775807")

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System.Tests.Perf_Int64.TryParseSpan(value: "12345")

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System.Tests.Perf_Int64.Parse(value: "-9223372036854775808")

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System.Tests.Perf_Int64.TryParseSpan(value: "-9223372036854775808")

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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 TigerUbuntu
Baseline 843b197d1b3ab286aec45463d2421c8b8b0c894c
Compare 171bbb1de92f1e4e31b3aaf46054185eb88bb117
Diff Diff
Configs CompilationMode:tiered, RunKind:micro

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

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio
19.75 μs 10.69 μs 0.54 0.51 False
2.70 μs 1.83 μs 0.68 0.16 False

graph
graph
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&lt;Int32, Int32&gt;*'

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

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System.Collections.ContainsKeyTrue<Int32, Int32>.Dictionary(Size: 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 TigerUbuntu
Baseline 843b197d1b3ab286aec45463d2421c8b8b0c894c
Compare 171bbb1de92f1e4e31b3aaf46054185eb88bb117
Diff Diff
Configs CompilationMode:tiered, RunKind:micro

Improvements in System.Text.RegularExpressions.Tests.Perf_Regex_Industry_RustLang_Sherlock

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio
49.71 μs 39.77 μs 0.80 0.08 False

graph
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.RegularExpressions.Tests.Perf_Regex_Industry_RustLang_Sherlock*'

System.Text.RegularExpressions.Tests.Perf_Regex_Industry_RustLang_Sherlock.Count(Pattern: "zqj", Options: NonBacktracking)

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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 TigerUbuntu
Baseline 843b197d1b3ab286aec45463d2421c8b8b0c894c
Compare 171bbb1de92f1e4e31b3aaf46054185eb88bb117
Diff Diff
Configs CompilationMode:tiered, RunKind:micro

Improvements in LinqBenchmarks

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio
85.12 ms 64.66 ms 0.76 0.11 False
233.39 ms 201.53 ms 0.86 0.04 False

graph
graph
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 'LinqBenchmarks*'

LinqBenchmarks.Order00ManualX

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LinqBenchmarks.Where01LinqMethodNestedX

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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 TigerUbuntu
Baseline 843b197d1b3ab286aec45463d2421c8b8b0c894c
Compare 171bbb1de92f1e4e31b3aaf46054185eb88bb117
Diff Diff
Configs CompilationMode:tiered, RunKind:micro

Improvements in PerfLabTests.CastingPerf

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio
240.39 μs 199.61 μs 0.83 0.01 False
240.58 μs 201.50 μs 0.84 0.02 False
243.29 μs 201.78 μs 0.83 0.01 False
240.81 μs 198.83 μs 0.83 0.02 False

graph
graph
graph
graph
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.CastingPerf*'

PerfLabTests.CastingPerf.ObjrefValueTypeObj

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PerfLabTests.CastingPerf.IntObj

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PerfLabTests.CastingPerf.FooObjIsFoo

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PerfLabTests.CastingPerf.ScalarValueTypeObj

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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 843b197d1b3ab286aec45463d2421c8b8b0c894c
Compare 171bbb1de92f1e4e31b3aaf46054185eb88bb117
Diff Diff
Configs CompilationMode:tiered, RunKind:micro

Improvements in System.Security.Cryptography.Primitives.Tests.Performance.Perf_FixedTimeEquals

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio
103.18 ns 90.24 ns 0.87 0.06 False
102.57 ns 91.04 ns 0.89 0.11 False
103.70 ns 91.59 ns 0.88 0.05 False
103.04 ns 90.53 ns 0.88 0.04 False
108.79 ns 90.37 ns 0.83 0.05 False
103.45 ns 90.48 ns 0.87 0.07 False
103.08 ns 89.94 ns 0.87 0.05 False

graph
graph
graph
graph
graph
graph
graph
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.Security.Cryptography.Primitives.Tests.Performance.Perf_FixedTimeEquals*'

System.Security.Cryptography.Primitives.Tests.Performance.Perf_FixedTimeEquals.FixedTimeEquals_256Bit_FirstBitDifferent

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System.Security.Cryptography.Primitives.Tests.Performance.Perf_FixedTimeEquals.FixedTimeEquals_256Bit_SameReference

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System.Security.Cryptography.Primitives.Tests.Performance.Perf_FixedTimeEquals.FixedTimeEquals_256Bit_CascadingErrors

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System.Security.Cryptography.Primitives.Tests.Performance.Perf_FixedTimeEquals.FixedTimeEquals_256Bit_Equal

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System.Security.Cryptography.Primitives.Tests.Performance.Perf_FixedTimeEquals.FixedTimeEquals_256Bit_LastBitDifferent

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System.Security.Cryptography.Primitives.Tests.Performance.Perf_FixedTimeEquals.FixedTimeEquals_256Bit_VersusZero

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System.Security.Cryptography.Primitives.Tests.Performance.Perf_FixedTimeEquals.FixedTimeEquals_256Bit_AllBitsDifferent

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JIT Disasms

Docs

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

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