[Perf] Linux/x64: 31 Regressions on 9/20/2024 5:14:07 PM

[performanceautofiler[bot]]

Run Information

Name	Value
Architecture	x64
OS	ubuntu 22.04
Queue	ViperUbuntu
Baseline	89f245e722eda87869dbb04690cb91361af8174c
Compare	602e6ea64b6f9b4cbc029753b42ca5e5abc06648
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Regressions in System.Linq.Tests.Perf_Enumerable

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
[WhereSingle_LastElementMatches - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Linq.Tests.Perf_Enumerable.WhereSingle_LastElementMatches(input%3a%20Array).html>) 📝 - Benchmark Source ADX - Test Multi Config Graph	86.05 ns	95.66 ns	1.11	0.24	False
[OrderByDescending - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Linq.Tests.Perf_Enumerable.OrderByDescending(input%3a%20IEnumerable).html>) 📝 - Benchmark Source ADX - Test Multi Config Graph	1.30 μs	1.40 μs	1.07	0.00	False
[LastWithPredicate_FirstElementMatches - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Linq.Tests.Perf_Enumerable.LastWithPredicate_FirstElementMatches(input%3a%20IOrderedEnumerable).html>) 📝 - Benchmark Source ADX - Test Multi Config Graph	192.14 ns	277.01 ns	1.44	0.19	False
[WhereSelect - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Linq.Tests.Perf_Enumerable.WhereSelect(input%3a%20IEnumerable).html>) 📝 - Benchmark Source ADX - Test Multi Config Graph	297.96 ns	315.53 ns	1.06	0.02	False
[SingleWithPredicate_LastElementMatches - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Linq.Tests.Perf_Enumerable.SingleWithPredicate_LastElementMatches(input%3a%20IEnumerable).html>) 📝 - Benchmark Source ADX - Test Multi Config Graph	118.57 ns	155.38 ns	1.31	0.04	False
[Sum - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Linq.Tests.Perf_Enumerable.Sum(input%3a%20IEnumerable).html>) 📝 - Benchmark Source ADX - Test Multi Config Graph	114.67 ns	133.22 ns	1.16	0.01	False
[FirstWithPredicate_LastElementMatches - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Linq.Tests.Perf_Enumerable.FirstWithPredicate_LastElementMatches(input%3a%20IEnumerable).html>) 📝 - Benchmark Source ADX - Test Multi Config Graph	118.46 ns	141.69 ns	1.20	0.01	False
[Zip - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Linq.Tests.Perf_Enumerable.Zip(input%3a%20IEnumerable).html>) 📝 - Benchmark Source ADX - Test Multi Config Graph	550.09 ns	626.87 ns	1.14	0.00	True
[WhereAny_LastElementMatches - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Linq.Tests.Perf_Enumerable.WhereAny_LastElementMatches(input%3a%20Array).html>) 📝 - Benchmark Source ADX - Test Multi Config Graph	55.80 ns	68.87 ns	1.23	0.20	False
[Where - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Linq.Tests.Perf_Enumerable.Where(input%3a%20List).html>) 📝 - Benchmark Source ADX - Test Multi Config Graph	233.96 ns	256.12 ns	1.09	0.02	False
[Aggregate_Seed - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Linq.Tests.Perf_Enumerable.Aggregate_Seed(input%3a%20IEnumerable).html>) 📝 - Benchmark Source ADX - Test Multi Config Graph	117.33 ns	141.95 ns	1.21	0.04	False
[SelectToArray - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Linq.Tests.Perf_Enumerable.SelectToArray(input%3a%20Array).html>) 📝 - Benchmark Source ADX - Test Multi Config Graph	75.05 ns	83.18 ns	1.11	0.02	False
[Select - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Linq.Tests.Perf_Enumerable.Select(input%3a%20IEnumerable).html>) 📝 - Benchmark Source ADX - Test Multi Config Graph	227.75 ns	252.72 ns	1.11	0.01	False
[Where - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Linq.Tests.Perf_Enumerable.Where(input%3a%20Array).html>) 📝 - Benchmark Source ADX - Test Multi Config Graph	154.07 ns	183.98 ns	1.19	0.01	False
[All_AllElementsMatch - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Linq.Tests.Perf_Enumerable.All_AllElementsMatch(input%3a%20IEnumerable).html>) 📝 - Benchmark Source ADX - Test Multi Config Graph	121.03 ns	141.23 ns	1.17	0.18	False
[SelectToArray - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Linq.Tests.Perf_Enumerable.SelectToArray(input%3a%20List).html>) 📝 - Benchmark Source ADX - Test Multi Config Graph	78.71 ns	86.08 ns	1.09	0.04	False
[SelectToArray - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Linq.Tests.Perf_Enumerable.SelectToArray(input%3a%20Range).html>) 📝 - Benchmark Source ADX - Test Multi Config Graph	61.80 ns	88.05 ns	1.42	0.04	False
[Range - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Linq.Tests.Perf_Enumerable.Range.html>) 📝 - Benchmark Source ADX - Test Multi Config Graph	83.61 ns	103.87 ns	1.24	0.08	False
[Select - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Linq.Tests.Perf_Enumerable.Select(input%3a%20List).html>) 📝 - Benchmark Source ADX - Test Multi Config Graph	203.66 ns	233.59 ns	1.15	0.01	True
[Reverse - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Linq.Tests.Perf_Enumerable.Reverse(input%3a%20IEnumerable).html>) 📝 - Benchmark Source ADX - Test Multi Config Graph	342.84 ns	395.61 ns	1.15	0.04	False
[ToArray - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Linq.Tests.Perf_Enumerable.ToArray(input%3a%20IEnumerable).html>) 📝 - Benchmark Source ADX - Test Multi Config Graph	213.14 ns	228.03 ns	1.07	0.13	False
[WhereSelect - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Linq.Tests.Perf_Enumerable.WhereSelect(input%3a%20Array).html>) 📝 - Benchmark Source ADX - Test Multi Config Graph	179.37 ns	215.82 ns	1.20	0.01	True
[WhereAny_LastElementMatches - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Linq.Tests.Perf_Enumerable.WhereAny_LastElementMatches(input%3a%20IEnumerable).html>) 📝 - Benchmark Source ADX - Test Multi Config Graph	136.62 ns	156.30 ns	1.14	0.07	False
[Select - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Linq.Tests.Perf_Enumerable.Select(input%3a%20Array).html>) 📝 - Benchmark Source ADX - Test Multi Config Graph	127.41 ns	150.40 ns	1.18	0.01	False
[Select - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Linq.Tests.Perf_Enumerable.Select(input%3a%20IList).html>) 📝 - Benchmark Source ADX - Test Multi Config Graph	228.08 ns	251.32 ns	1.10	0.01	False
[WhereSingleOrDefault_LastElementMatches - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Linq.Tests.Perf_Enumerable.WhereSingleOrDefault_LastElementMatches(input%3a%20Array).html>) 📝 - Benchmark Source ADX - Test Multi Config Graph	83.67 ns	95.27 ns	1.14	0.21	False
[WhereFirst_LastElementMatches - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Linq.Tests.Perf_Enumerable.WhereFirst_LastElementMatches(input%3a%20IEnumerable).html>) 📝 - Benchmark Source ADX - Test Multi Config Graph	140.24 ns	163.03 ns	1.16	0.08	False
[Repeat - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Linq.Tests.Perf_Enumerable.Repeat.html>) 📝 - Benchmark Source ADX - Test Multi Config Graph	72.92 ns	85.63 ns	1.17	0.35	False
[CastToSameType - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Linq.Tests.Perf_Enumerable.CastToSameType(input%3a%20IEnumerable).html>) 📝 - Benchmark Source ADX - Test Multi Config Graph	119.86 ns	138.79 ns	1.16	0.02	False
[AnyWithPredicate_LastElementMatches - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Linq.Tests.Perf_Enumerable.AnyWithPredicate_LastElementMatches(input%3a%20IEnumerable).html>) 📝 - Benchmark Source ADX - Test Multi Config Graph	118.12 ns	141.72 ns	1.20	0.03	False

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.Linq.Tests.Perf_Enumerable*'

### System.Linq.Tests.Perf_Enumerable.WhereSingle_LastElementMatches(input: Array) #### ETL Files #### Histogram #### JIT Disasms ### System.Linq.Tests.Perf_Enumerable.OrderByDescending(input: IEnumerable) #### ETL Files #### Histogram #### JIT Disasms ### System.Linq.Tests.Perf_Enumerable.LastWithPredicate_FirstElementMatches(input: IOrderedEnumerable) #### ETL Files #### Histogram #### JIT Disasms ### System.Linq.Tests.Perf_Enumerable.WhereSelect(input: IEnumerable) #### ETL Files #### Histogram #### JIT Disasms ### System.Linq.Tests.Perf_Enumerable.SingleWithPredicate_LastElementMatches(input: IEnumerable) #### ETL Files #### Histogram #### JIT Disasms ### System.Linq.Tests.Perf_Enumerable.Sum(input: IEnumerable) #### ETL Files #### Histogram #### JIT Disasms ### System.Linq.Tests.Perf_Enumerable.FirstWithPredicate_LastElementMatches(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.WhereAny_LastElementMatches(input: Array) #### ETL Files #### Histogram #### JIT Disasms ### System.Linq.Tests.Perf_Enumerable.Where(input: List) #### ETL Files #### Histogram #### JIT Disasms ### System.Linq.Tests.Perf_Enumerable.Aggregate_Seed(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.Select(input: IEnumerable) #### ETL Files #### Histogram #### JIT Disasms ### System.Linq.Tests.Perf_Enumerable.Where(input: Array) #### ETL Files #### Histogram #### JIT Disasms ### System.Linq.Tests.Perf_Enumerable.All_AllElementsMatch(input: IEnumerable) #### ETL Files #### Histogram #### JIT Disasms ### System.Linq.Tests.Perf_Enumerable.SelectToArray(input: List) #### ETL Files #### Histogram #### JIT Disasms ### System.Linq.Tests.Perf_Enumerable.SelectToArray(input: Range) #### ETL Files #### Histogram #### JIT Disasms ### System.Linq.Tests.Perf_Enumerable.Range #### ETL Files #### Histogram #### JIT Disasms ### System.Linq.Tests.Perf_Enumerable.Select(input: List) #### ETL Files #### Histogram #### JIT Disasms ### System.Linq.Tests.Perf_Enumerable.Reverse(input: IEnumerable) #### ETL Files #### Histogram #### JIT Disasms ### System.Linq.Tests.Perf_Enumerable.ToArray(input: IEnumerable) #### ETL Files #### Histogram #### JIT Disasms ### System.Linq.Tests.Perf_Enumerable.WhereSelect(input: Array) #### ETL Files #### Histogram #### JIT Disasms ### System.Linq.Tests.Perf_Enumerable.WhereAny_LastElementMatches(input: IEnumerable) #### ETL Files #### Histogram #### JIT Disasms ### System.Linq.Tests.Perf_Enumerable.Select(input: Array) #### ETL Files #### Histogram #### JIT Disasms ### System.Linq.Tests.Perf_Enumerable.Select(input: IList) #### ETL Files #### Histogram #### JIT Disasms ### System.Linq.Tests.Perf_Enumerable.WhereSingleOrDefault_LastElementMatches(input: Array) #### ETL Files #### Histogram #### JIT Disasms ### System.Linq.Tests.Perf_Enumerable.WhereFirst_LastElementMatches(input: IEnumerable) #### ETL Files #### Histogram #### JIT Disasms ### System.Linq.Tests.Perf_Enumerable.Repeat #### ETL Files #### Histogram #### JIT Disasms ### System.Linq.Tests.Perf_Enumerable.CastToSameType(input: IEnumerable) #### ETL Files #### Histogram #### JIT Disasms ### System.Linq.Tests.Perf_Enumerable.AnyWithPredicate_LastElementMatches(input: IEnumerable) #### 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	x64
OS	ubuntu 22.04
Queue	ViperUbuntu
Baseline	89f245e722eda87869dbb04690cb91361af8174c
Compare	602e6ea64b6f9b4cbc029753b42ca5e5abc06648
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Regressions in System.Memory.ReadOnlySequence

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
[Slice_Repeat_StartPosition_And_EndPosition - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Memory.ReadOnlySequence.Slice_Repeat_StartPosition_And_EndPosition(Segment%3a%20Multiple).html>) 📝 - Benchmark Source ADX - Test Multi Config Graph	25.63 ns	28.96 ns	1.13	0.08	False

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.Memory.ReadOnlySequence*'

### System.Memory.ReadOnlySequence.Slice_Repeat_StartPosition_And_EndPosition(Segment: Multiple) #### 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)

[LoopedBard3]

Mix of regressions from https://github.com/dotnet/runtime/pull/107927 and from the optimization update.