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[Perf] Windows/x64: 33 Regressions on 7/24/2024 3:49:10 AM #39166

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@performanceautofiler

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@performanceautofiler

Run Information

Name Value
Architecture x64
OS Windows 10.0.22621
Queue TigerWindows
Baseline 3028ee9a682b43d3e7137b992364bcf086a699f2
Compare f6994c7807376430c96011fc527dfc4363348d94
Diff Diff
Configs CompilationMode:tiered, RunKind:micro

Regressions in System.Collections.Perf_LengthBucketsFrozenDictionary

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio
13.04 μs 14.82 μs 1.14 0.11 False
117.21 ns 132.55 ns 1.13 0.32 False
1.37 μs 1.48 μs 1.08 0.15 False

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
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Collections.Perf_LengthBucketsFrozenDictionary*'

System.Collections.Perf_LengthBucketsFrozenDictionary.TryGetValue_True_FrozenDictionary(Count: 1000, ItemsPerBucket: 5)

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System.Collections.Perf_LengthBucketsFrozenDictionary.TryGetValue_True_FrozenDictionary(Count: 10, ItemsPerBucket: 5)

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System.Collections.Perf_LengthBucketsFrozenDictionary.TryGetValue_True_FrozenDictionary(Count: 100, ItemsPerBucket: 5)

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JIT Disasms

Docs

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


Run Information

Name Value
Architecture x64
OS Windows 10.0.22621
Queue TigerWindows
Baseline 3028ee9a682b43d3e7137b992364bcf086a699f2
Compare f6994c7807376430c96011fc527dfc4363348d94
Diff Diff
Configs CompilationMode:tiered, RunKind:micro

Regressions in System.Tests.Perf_UInt64

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio
25.86 ns 31.04 ns 1.20 0.03 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
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Tests.Perf_UInt64*'

System.Tests.Perf_UInt64.TryParseHex(value: "FFFFFFFFFFFFFFFF")

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 Windows 10.0.22621
Queue TigerWindows
Baseline 3028ee9a682b43d3e7137b992364bcf086a699f2
Compare f6994c7807376430c96011fc527dfc4363348d94
Diff Diff
Configs CompilationMode:tiered, RunKind:micro

Regressions in System.Memory.ReadOnlySpan

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio
37.17 ns 42.71 ns 1.15 0.05 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
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Memory.ReadOnlySpan*'

System.Memory.ReadOnlySpan.IndexOfString(input: "foobardzsdzs", value: "rddzs", comparisonType: InvariantCulture)

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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 Windows 10.0.22621
Queue TigerWindows
Baseline 0378936909464c84cf207ffd1a21efa474fc34c0
Compare f6994c7807376430c96011fc527dfc4363348d94
Diff Diff
Configs CompilationMode:tiered, RunKind:micro

Regressions in PerfLabTests.CastingPerf

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio
285.30 μs 312.23 μs 1.09 0.04 False
278.04 μs 312.42 μs 1.12 0.05 False
280.34 μs 312.66 μs 1.12 0.05 False
280.07 μs 311.97 μs 1.11 0.06 False
278.19 μs 312.03 μs 1.12 0.05 False
284.44 μs 313.02 μs 1.10 0.05 False
281.05 μs 312.51 μs 1.11 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
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'PerfLabTests.CastingPerf*'

PerfLabTests.CastingPerf.FooObjIsDescendant

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PerfLabTests.CastingPerf.IFooObjIsIFooInterAlia

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PerfLabTests.CastingPerf.IFooObjIsDescendantOfIFoo

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PerfLabTests.CastingPerf.FooObjIsFoo

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PerfLabTests.CastingPerf.IntObj

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PerfLabTests.CastingPerf.ObjObjIsFoo

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PerfLabTests.CastingPerf.IFooObjIsIFoo

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JIT Disasms

Docs

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


Run Information

Name Value
Architecture x64
OS Windows 10.0.22621
Queue TigerWindows
Baseline 3028ee9a682b43d3e7137b992364bcf086a699f2
Compare f6994c7807376430c96011fc527dfc4363348d94
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
23.41 ns 27.85 ns 1.19 0.15 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
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Memory.Span&lt;Int32&gt;*'

System.Memory.Span<Int32>.LastIndexOfValue(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 Windows 10.0.22621
Queue TigerWindows
Baseline 3028ee9a682b43d3e7137b992364bcf086a699f2
Compare f6994c7807376430c96011fc527dfc4363348d94
Diff Diff
Configs CompilationMode:tiered, RunKind:micro

Regressions in System.Collections.Tests.Perf_BitArray

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio
843.97 ns 1.12 μs 1.33 0.03 False
6.06 ns 7.90 ns 1.30 0.05 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
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Collections.Tests.Perf_BitArray*'

System.Collections.Tests.Perf_BitArray.BitArraySet(Size: 512)

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System.Collections.Tests.Perf_BitArray.BitArraySet(Size: 4)

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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 Windows 10.0.22621
Queue TigerWindows
Baseline 3028ee9a682b43d3e7137b992364bcf086a699f2
Compare f6994c7807376430c96011fc527dfc4363348d94
Diff Diff
Configs CompilationMode:tiered, RunKind:micro

Regressions in System.Net.Tests.Perf_WebUtility

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio
103.52 ns 109.46 ns 1.06 0.03 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
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Net.Tests.Perf_WebUtility*'

System.Net.Tests.Perf_WebUtility.Decode_DecodingRequired

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 Windows 10.0.22621
Queue TigerWindows
Baseline 3028ee9a682b43d3e7137b992364bcf086a699f2
Compare f6994c7807376430c96011fc527dfc4363348d94
Diff Diff
Configs CompilationMode:tiered, RunKind:micro

Regressions in System.Tests.Perf_Byte

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio
11.49 ns 12.57 ns 1.09 0.08 False
11.40 ns 12.40 ns 1.09 0.06 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
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Tests.Perf_Byte*'

System.Tests.Perf_Byte.TryParse(value: "255")

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JIT Disasms

System.Tests.Perf_Byte.Parse(value: "255")

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 Windows 10.0.22621
Queue TigerWindows
Baseline 3028ee9a682b43d3e7137b992364bcf086a699f2
Compare f6994c7807376430c96011fc527dfc4363348d94
Diff Diff
Configs CompilationMode:tiered, RunKind:micro

Regressions in System.Collections.Sort<IntClass>

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio
58.80 μs 62.53 μs 1.06 0.01 False
58.47 μs 62.30 μs 1.07 0.01 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
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Collections.Sort&lt;IntClass&gt;*'

System.Collections.Sort<IntClass>.LinqOrderByExtension(Size: 512)

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System.Collections.Sort<IntClass>.LinqQuery(Size: 512)

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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 Windows 10.0.22621
Queue TigerWindows
Baseline 3028ee9a682b43d3e7137b992364bcf086a699f2
Compare f6994c7807376430c96011fc527dfc4363348d94
Diff Diff
Configs CompilationMode:tiered, RunKind:micro

Regressions in System.IO.Tests.Perf_StreamWriter

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio
118.45 ms 133.57 ms 1.13 0.07 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
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.IO.Tests.Perf_StreamWriter*'

System.IO.Tests.Perf_StreamWriter.WriteString(writeLength: 2)

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 Windows 10.0.22621
Queue TigerWindows
Baseline 3028ee9a682b43d3e7137b992364bcf086a699f2
Compare f6994c7807376430c96011fc527dfc4363348d94
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
4.28 μs 6.33 μs 1.48 0.02 False
925.71 ns 1.08 μs 1.16 0.07 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
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Collections.AddGivenSize&lt;Int32&gt;*'

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

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System.Collections.AddGivenSize<Int32>.List(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 Windows 10.0.22621
Queue TigerWindows
Baseline 3028ee9a682b43d3e7137b992364bcf086a699f2
Compare f6994c7807376430c96011fc527dfc4363348d94
Diff Diff
Configs CompilationMode:tiered, RunKind:micro

Regressions in System.Tests.Perf_DateTime

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio
29.41 ns 35.78 ns 1.22 0.05 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
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Tests.Perf_DateTime*'

System.Tests.Perf_DateTime.ToString(format: "r")

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 Windows 10.0.22621
Queue TigerWindows
Baseline 3028ee9a682b43d3e7137b992364bcf086a699f2
Compare f6994c7807376430c96011fc527dfc4363348d94
Diff Diff
Configs CompilationMode:tiered, RunKind:micro

Regressions in LinqBenchmarks

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio
179.00 ms 194.29 ms 1.09 0.03 False
179.58 ms 194.88 ms 1.09 0.03 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
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'LinqBenchmarks*'

LinqBenchmarks.Where01LinqQueryX

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JIT Disasms

LinqBenchmarks.Where01LinqMethodX

ETL Files

Histogram

JIT Disasms

Docs

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

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