[Perf] Windows/x86: 36 Regressions on 1/17/2024 5:13:09 PM

Run Information

Name	Value
Architecture	x86
OS	Windows 10.0.18362
Queue	TigerWindows
Baseline	cc59b89c559036ca5a095818c7763df10283c6be
Compare	08cff56070d835c3c2fb1b3745e75f95d89c44e6
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Regressions in System.Memory.Constructors<String>

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
[ReadOnlySpanImplicitCastFromArraySegment - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x86_Windows 10.0.18362/System.Memory.Constructors(String).ReadOnlySpanImplicitCastFromArraySegment.html>) 📝 - Benchmark Source 📈 - ADX Test Multi Config Graph	3.32 ns	4.35 ns	1.31	0.20	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.Constructors&lt;String&gt;*'

### Payloads [Baseline]() [Compare]() ### System.Memory.Constructors<String>.ReadOnlySpanImplicitCastFromArraySegment #### 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)

Run Information

Name	Value
Architecture	x86
OS	Windows 10.0.18362
Queue	TigerWindows
Baseline	cc59b89c559036ca5a095818c7763df10283c6be
Compare	08cff56070d835c3c2fb1b3745e75f95d89c44e6
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Regressions in System.Linq.Tests.Perf_Enumerable

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector
[ElementAt - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x86_Windows 10.0.18362/System.Linq.Tests.Perf_Enumerable.ElementAt(input%3a%20IEnumerable).html>) 📝 - Benchmark Source 📈 - ADX Test Multi Config Graph	120.61 ns	135.80 ns	1.13	0.03	False
[Where - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x86_Windows 10.0.18362/System.Linq.Tests.Perf_Enumerable.Where(input%3a%20List).html>) 📝 - Benchmark Source 📈 - ADX Test Multi Config Graph	722.02 ns	859.39 ns	1.19	0.04	False
[Select - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x86_Windows 10.0.18362/System.Linq.Tests.Perf_Enumerable.Select(input%3a%20List).html>) 📝 - Benchmark Source 📈 - ADX Test Multi Config Graph	571.38 ns	612.92 ns	1.07	0.04	False
[LastWithPredicate_FirstElementMatches - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x86_Windows 10.0.18362/System.Linq.Tests.Perf_Enumerable.LastWithPredicate_FirstElementMatches(input%3a%20IEnumerable).html>) 📝 - Benchmark Source 📈 - ADX Test Multi Config Graph	592.71 ns	687.32 ns	1.16	0.03	False
[AnyWithPredicate_LastElementMatches - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x86_Windows 10.0.18362/System.Linq.Tests.Perf_Enumerable.AnyWithPredicate_LastElementMatches(input%3a%20IOrderedEnumerable).html>) 📝 - Benchmark Source 📈 - ADX Test Multi Config Graph	2.35 μs	2.64 μs	1.12	0.00	False
[OrderBy - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x86_Windows 10.0.18362/System.Linq.Tests.Perf_Enumerable.OrderBy(input%3a%20IEnumerable).html>) 📝 - Benchmark Source 📈 - ADX Test Multi Config Graph	2.79 μs	3.04 μs	1.09	0.00	False
[Skip_One - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x86_Windows 10.0.18362/System.Linq.Tests.Perf_Enumerable.Skip_One(input%3a%20IEnumerable).html>) 📝 - Benchmark Source 📈 - ADX Test Multi Config Graph	586.16 ns	768.46 ns	1.31	0.01	True
[WhereLast_LastElementMatches - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x86_Windows 10.0.18362/System.Linq.Tests.Perf_Enumerable.WhereLast_LastElementMatches(input%3a%20IEnumerable).html>) 📝 - Benchmark Source 📈 - ADX Test Multi Config Graph	651.94 ns	723.68 ns	1.11	0.04	False
[EmptyTakeSelectToArray - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x86_Windows 10.0.18362/System.Linq.Tests.Perf_Enumerable.EmptyTakeSelectToArray.html>) 📝 - Benchmark Source 📈 - ADX Test Multi Config Graph	9.69 ns	19.51 ns	2.01	0.12	False
[WhereSingle_LastElementMatches - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x86_Windows 10.0.18362/System.Linq.Tests.Perf_Enumerable.WhereSingle_LastElementMatches(input%3a%20Array).html>) 📝 - Benchmark Source 📈 - ADX Test Multi Config Graph	304.19 ns	372.32 ns	1.22	0.11	False
[FirstWithPredicate_LastElementMatches - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x86_Windows 10.0.18362/System.Linq.Tests.Perf_Enumerable.FirstWithPredicate_LastElementMatches(input%3a%20IOrderedEnumerable).html>) 📝 - Benchmark Source 📈 - ADX Test Multi Config Graph	2.34 μs	2.57 μs	1.10	0.01	False
[SingleWithPredicate_FirstElementMatches - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x86_Windows 10.0.18362/System.Linq.Tests.Perf_Enumerable.SingleWithPredicate_FirstElementMatches(input%3a%20List).html>) 📝 - Benchmark Source 📈 - ADX Test Multi Config Graph	876.85 ns	964.77 ns	1.10	0.03	False
[WhereSelect - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x86_Windows 10.0.18362/System.Linq.Tests.Perf_Enumerable.WhereSelect(input%3a%20List).html>) 📝 - Benchmark Source 📈 - ADX Test Multi Config Graph	876.62 ns	1.08 μs	1.23	0.04	False
[WhereAny_LastElementMatches - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x86_Windows 10.0.18362/System.Linq.Tests.Perf_Enumerable.WhereAny_LastElementMatches(input%3a%20Array).html>) 📝 - Benchmark Source 📈 - ADX Test Multi Config Graph	304.82 ns	324.11 ns	1.06	0.05	False
[CastToSameType - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x86_Windows 10.0.18362/System.Linq.Tests.Perf_Enumerable.CastToSameType(input%3a%20IEnumerable).html>) 📝 - Benchmark Source 📈 - ADX Test Multi Config Graph	404.13 ns	467.14 ns	1.16	0.06	False
[Take_All - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x86_Windows 10.0.18362/System.Linq.Tests.Perf_Enumerable.Take_All(input%3a%20IEnumerable).html>) 📝 - Benchmark Source 📈 - ADX Test Multi Config Graph	601.99 ns	700.68 ns	1.16	0.05	True
[Zip - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x86_Windows 10.0.18362/System.Linq.Tests.Perf_Enumerable.Zip(input%3a%20IEnumerable).html>) 📝 - Benchmark Source 📈 - ADX Test Multi Config Graph	1.44 μs	1.75 μs	1.22	0.01	False
[SelectToArray - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x86_Windows 10.0.18362/System.Linq.Tests.Perf_Enumerable.SelectToArray(input%3a%20Array).html>) 📝 - Benchmark Source 📈 - ADX Test Multi Config Graph	291.75 ns	323.22 ns	1.11	0.05	False
[OrderByThenBy - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x86_Windows 10.0.18362/System.Linq.Tests.Perf_Enumerable.OrderByThenBy(input%3a%20IEnumerable).html>) 📝 - Benchmark Source 📈 - ADX Test Multi Config Graph	3.48 μs	3.81 μs	1.09	0.00	False
[AnyWithPredicate_LastElementMatches - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x86_Windows 10.0.18362/System.Linq.Tests.Perf_Enumerable.AnyWithPredicate_LastElementMatches(input%3a%20IEnumerable).html>) 📝 - Benchmark Source 📈 - ADX Test Multi Config Graph	621.81 ns	680.62 ns	1.09	0.03	False
[FirstWithPredicate_LastElementMatches - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x86_Windows 10.0.18362/System.Linq.Tests.Perf_Enumerable.FirstWithPredicate_LastElementMatches(input%3a%20List).html>) 📝 - Benchmark Source 📈 - ADX Test Multi Config Graph	899.41 ns	985.07 ns	1.10	0.02	False
[FirstWithPredicate_LastElementMatches - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x86_Windows 10.0.18362/System.Linq.Tests.Perf_Enumerable.FirstWithPredicate_LastElementMatches(input%3a%20Array).html>) 📝 - Benchmark Source 📈 - ADX Test Multi Config Graph	616.03 ns	712.32 ns	1.16	0.03	False
[Append - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x86_Windows 10.0.18362/System.Linq.Tests.Perf_Enumerable.Append(input%3a%20IEnumerable).html>) 📝 - Benchmark Source 📈 - ADX Test Multi Config Graph	2.80 μs	3.05 μs	1.09	0.03	False
[Select - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x86_Windows 10.0.18362/System.Linq.Tests.Perf_Enumerable.Select(input%3a%20IEnumerable).html>) 📝 - Benchmark Source 📈 - ADX Test Multi Config Graph	555.39 ns	703.99 ns	1.27	0.02	True
[Select - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x86_Windows 10.0.18362/System.Linq.Tests.Perf_Enumerable.Select(input%3a%20IList).html>) 📝 - Benchmark Source 📈 - ADX Test Multi Config Graph	557.61 ns	720.08 ns	1.29	0.02	True
[SkipHalfTakeHalf - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x86_Windows 10.0.18362/System.Linq.Tests.Perf_Enumerable.SkipHalfTakeHalf(input%3a%20IEnumerable).html>) 📝 - Benchmark Source 📈 - ADX Test Multi Config Graph	458.28 ns	579.50 ns	1.26	0.06	False
[Range - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x86_Windows 10.0.18362/System.Linq.Tests.Perf_Enumerable.Range.html>) 📝 - Benchmark Source 📈 - ADX Test Multi Config Graph	429.07 ns	458.19 ns	1.07	0.04	False

graph graph graph graph graph graph graph graph graph graph graph graph graph graph graph graph graph graph graph graph 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 'System.Linq.Tests.Perf_Enumerable*'

### Payloads [Baseline]() [Compare]() ### System.Linq.Tests.Perf_Enumerable.ElementAt(input: IEnumerable) #### ETL Files #### Histogram #### JIT Disasms ### System.Linq.Tests.Perf_Enumerable.Where(input: List) #### ETL Files #### Histogram #### JIT Disasms ### System.Linq.Tests.Perf_Enumerable.Select(input: List) #### ETL Files #### Histogram #### JIT Disasms ### System.Linq.Tests.Perf_Enumerable.LastWithPredicate_FirstElementMatches(input: IEnumerable) #### ETL Files #### Histogram #### JIT Disasms ### System.Linq.Tests.Perf_Enumerable.AnyWithPredicate_LastElementMatches(input: IOrderedEnumerable) #### ETL Files #### Histogram #### JIT Disasms ### System.Linq.Tests.Perf_Enumerable.OrderBy(input: IEnumerable) #### ETL Files #### Histogram #### JIT Disasms ### System.Linq.Tests.Perf_Enumerable.Skip_One(input: IEnumerable) #### ETL Files #### Histogram #### JIT Disasms ### System.Linq.Tests.Perf_Enumerable.WhereLast_LastElementMatches(input: IEnumerable) #### ETL Files #### Histogram #### JIT Disasms ### System.Linq.Tests.Perf_Enumerable.EmptyTakeSelectToArray #### ETL Files #### Histogram #### JIT Disasms ### System.Linq.Tests.Perf_Enumerable.WhereSingle_LastElementMatches(input: Array) #### ETL Files #### Histogram #### JIT Disasms ### System.Linq.Tests.Perf_Enumerable.FirstWithPredicate_LastElementMatches(input: IOrderedEnumerable) #### ETL Files #### Histogram #### JIT Disasms ### System.Linq.Tests.Perf_Enumerable.SingleWithPredicate_FirstElementMatches(input: List) #### ETL Files #### Histogram #### JIT Disasms ### System.Linq.Tests.Perf_Enumerable.WhereSelect(input: List) #### ETL Files #### Histogram #### JIT Disasms ### System.Linq.Tests.Perf_Enumerable.WhereAny_LastElementMatches(input: Array) #### ETL Files #### Histogram #### JIT Disasms ### System.Linq.Tests.Perf_Enumerable.CastToSameType(input: IEnumerable) #### ETL Files #### Histogram #### JIT Disasms ### System.Linq.Tests.Perf_Enumerable.Take_All(input: IEnumerable) #### ETL Files #### Histogram #### JIT Disasms ### System.Linq.Tests.Perf_Enumerable.Zip(input: IEnumerable) #### ETL Files #### Histogram #### JIT Disasms ### System.Linq.Tests.Perf_Enumerable.SelectToArray(input: Array) #### ETL Files #### Histogram #### JIT Disasms ### System.Linq.Tests.Perf_Enumerable.OrderByThenBy(input: IEnumerable) #### ETL Files #### Histogram #### JIT Disasms ### System.Linq.Tests.Perf_Enumerable.AnyWithPredicate_LastElementMatches(input: IEnumerable) #### ETL Files #### Histogram #### JIT Disasms ### System.Linq.Tests.Perf_Enumerable.FirstWithPredicate_LastElementMatches(input: List) #### ETL Files #### Histogram #### JIT Disasms ### System.Linq.Tests.Perf_Enumerable.FirstWithPredicate_LastElementMatches(input: Array) #### ETL Files #### Histogram #### JIT Disasms ### System.Linq.Tests.Perf_Enumerable.Append(input: IEnumerable) #### ETL Files #### Histogram #### JIT Disasms ### System.Linq.Tests.Perf_Enumerable.Select(input: IEnumerable) #### ETL Files #### Histogram #### JIT Disasms ### System.Linq.Tests.Perf_Enumerable.Select(input: IList) #### ETL Files #### Histogram #### JIT Disasms ### System.Linq.Tests.Perf_Enumerable.SkipHalfTakeHalf(input: IEnumerable) #### ETL Files #### Histogram #### JIT Disasms ### System.Linq.Tests.Perf_Enumerable.Range #### 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)

Run Information

Name	Value
Architecture	x86
OS	Windows 10.0.18362
Queue	TigerWindows
Baseline	cc59b89c559036ca5a095818c7763df10283c6be
Compare	08cff56070d835c3c2fb1b3745e75f95d89c44e6
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Regressions in PerfLabTests.LowLevelPerf

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
[InterfaceInterfaceMethod - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x86_Windows 10.0.18362/PerfLabTests.LowLevelPerf.InterfaceInterfaceMethod.html>) 📝 - Benchmark Source 📈 - ADX Test Multi Config Graph	3.09 ms	3.52 ms	1.14	0.01	False
[EmptyStaticFunction - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x86_Windows 10.0.18362/PerfLabTests.LowLevelPerf.EmptyStaticFunction.html>) 📝 - Benchmark Source 📈 - ADX Test Multi Config Graph	2.14 ms	2.98 ms	1.39	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 'PerfLabTests.LowLevelPerf*'

### Payloads [Baseline]() [Compare]() ### PerfLabTests.LowLevelPerf.InterfaceInterfaceMethod #### ETL Files #### Histogram #### JIT Disasms ### PerfLabTests.LowLevelPerf.EmptyStaticFunction #### 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)

Run Information

Name	Value
Architecture	x86
OS	Windows 10.0.18362
Queue	TigerWindows
Baseline	cc59b89c559036ca5a095818c7763df10283c6be
Compare	08cff56070d835c3c2fb1b3745e75f95d89c44e6
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Regressions in System.Collections.Perf_Frozen<NotKnownComparable>

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
[Contains_True - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x86_Windows 10.0.18362/System.Collections.Perf_Frozen(NotKnownComparable).Contains_True(Count%3a%204).html>) 📝 - Benchmark Source 📈 - ADX Test Multi Config Graph	16.02 ns	18.18 ns	1.13	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.Collections.Perf_Frozen&lt;NotKnownComparable&gt;*'

### Payloads [Baseline]() [Compare]() ### System.Collections.Perf_Frozen<NotKnownComparable>.Contains_True(Count: 4) #### 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)

dotnet / perf-autofiling-issues