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[Perf] Windows/x64: 8 Regressions on 5/30/2025 5:28:22 PM +00:00 #116273

@performanceautofiler

Description

@performanceautofiler

Run Information

Name Value
Architecture x64
OS Windows 10.0.22621
Queue TigerWindows
Baseline 64e1ef0d312addd173db0aaeb49faa263aabc664
Compare 24118056f04be70203d417f18c0e60cc08f14c31
Diff Diff
Configs CompilationMode:tiered, RunKind:micro

Regressions in System.Tests.Perf_Int128

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio
125.74 ns 145.81 ns 1.16 0.01 False
130.96 ns 143.37 ns 1.09 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.Tests.Perf_Int128*'
Details

System.Tests.Perf_Int128.TryFormat(value: -170141183460469231731687303715884105728)

ETL Files

Histogram

JIT Disasms

System.Tests.Perf_Int128.ToString(value: -170141183460469231731687303715884105728)

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 64e1ef0d312addd173db0aaeb49faa263aabc664
Compare 24118056f04be70203d417f18c0e60cc08f14c31
Diff Diff
Configs CompilationMode:tiered, RunKind:micro

Regressions in ArrayDeAbstraction

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio
373.27 ns 392.54 ns 1.05 0.02 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 'ArrayDeAbstraction*'
Details

ArrayDeAbstraction.foreach_member_array_via_interface

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 64e1ef0d312addd173db0aaeb49faa263aabc664
Compare 24118056f04be70203d417f18c0e60cc08f14c31
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
15.10 ns 17.26 ns 1.14 0.02 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*'
Details

System.Tests.Perf_UInt64.TryFormat(value: 18446744073709551615)

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 64e1ef0d312addd173db0aaeb49faa263aabc664
Compare 24118056f04be70203d417f18c0e60cc08f14c31
Diff Diff
Configs CompilationMode:tiered, RunKind:micro

Regressions in System.Text.Json.Tests.Perf_Basic

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio
708.49 ns 772.79 ns 1.09 0.00 False
621.42 ns 700.29 ns 1.13 0.00 False
1.93 ms 3.29 ms 1.71 0.02 False
1.96 ms 3.27 ms 1.67 0.05 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
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Text.Json.Tests.Perf_Basic*'
Details

System.Text.Json.Tests.Perf_Basic.WriteBasicUtf16(Formatted: False, SkipValidation: False, DataSize: 10)

ETL Files

Histogram

JIT Disasms

System.Text.Json.Tests.Perf_Basic.WriteBasicUtf8(Formatted: False, SkipValidation: False, DataSize: 10)

ETL Files

Histogram

JIT Disasms

System.Text.Json.Tests.Perf_Basic.WriteBasicUtf16(Formatted: False, SkipValidation: False, DataSize: 100000)

ETL Files

Histogram

JIT Disasms

System.Text.Json.Tests.Perf_Basic.WriteBasicUtf8(Formatted: False, SkipValidation: False, DataSize: 100000)

ETL Files

Histogram

JIT Disasms

Docs

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

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