[Perf] Linux/x64: 28 Regressions on 8/16/2025 4:36:35 PM +00:00

### Run Information

Name | Value
-- | --
Architecture | x64
OS | ubuntu 22.04
Queue | ViperUbuntu
Baseline | [1209ddec456f1d7871847b07b46f00d44012d687](https://github.com/dotnet/runtime/commit/1209ddec456f1d7871847b07b46f00d44012d687)
Compare | [10bc77650ffd5462f9b66cbc8f631460e722c74f](https://github.com/dotnet/runtime/commit/10bc77650ffd5462f9b66cbc8f631460e722c74f)
Diff | [Diff](https://github.com/dotnet/runtime/compare/1209ddec456f1d7871847b07b46f00d44012d687...10bc77650ffd5462f9b66cbc8f631460e722c74f)
Configs | CompilationMode:wasm, RunKind:micro


### Regressions in System.Linq.Tests.Perf_Enumerable

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[SelectToList - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04_CompilationMode=wasm_RunKind=micro/ViperUbuntu/System.Linq.Tests.Perf_Enumerable.SelectToList(input%3a%20Array).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Linq/Perf.Enumerable.cs#L262-#L264>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 16.86 μs | 24.42 μs | 1.45 | 0.09 | False | | |
|<ul><li>[Select - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04_CompilationMode=wasm_RunKind=micro/ViperUbuntu/System.Linq.Tests.Perf_Enumerable.Select(input%3a%20Array).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Linq/Perf.Enumerable.cs#L34-#L36>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 10.91 μs | 18.27 μs | 1.67 | 0.05 | False | | |
|<ul><li>[Take_All - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04_CompilationMode=wasm_RunKind=micro/ViperUbuntu/System.Linq.Tests.Perf_Enumerable.Take_All(input%3a%20IEnumerable).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Linq/Perf.Enumerable.cs#L200-#L202>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=H4sIAAAAAAAACl1RUW/TMBB+r9T/cPTFqciS0NIBQZYYo4IJJqG1gsfJSy6NwbGDfaat2P47dpMKiZc7+e67z999p5CA0BFweMc2R0fYZV+k/pVtQ9FlX9E292vtO7TiQWG2FT/x/kqpROreUwk3/3pz9nY6UYFONIQ28NWCkGSHyaJYrC6Ky4vFi23xuny5LJer7NWby2WxXD0virIo5uOkxd6EQVYb0ki59TrOn3kfrNBVG/sWG5e3KGqXd0LqM6AyupG7+PNRi05WyR92bbpeKkHS6FtTIyuB7YXrWArszuvPUtexFLDWsKco4yPSJ+nIWFkJ9UGQ+C6pjSzCSme0S6JZPIZ0WJSfYnrSzmNIR6F8SOkoiw9pPp08Qm/ND6wINmgluhTee6nqbVh1Q6LrU/gmlEceL3Btggdo79B5RVe/g9M7nE7y/BH2LVocGeBZIKfghIPZjMz6UClf42wGeQ7rQ6BUCKaBRqrAJfUOjA9nAncajoIs6jrcLLpdtcIS7MPWkAwAfpZ5qIzyneb/yz0OdcdPugOOJCnkLNiHwenj+LxF4bzFDjWx+V/gHt40eAIAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=>)</li></ul> | 16.15 μs | 17.77 μs | 1.10 | 0.07 | False | | |
|<ul><li>[WhereAny_LastElementMatches - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04_CompilationMode=wasm_RunKind=micro/ViperUbuntu/System.Linq.Tests.Perf_Enumerable.WhereAny_LastElementMatches(input%3a%20Array).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Linq/Perf.Enumerable.cs#L106-#L108>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 9.34 μs | 11.66 μs | 1.25 | 0.14 | False | | |
|<ul><li>[SelectToArray - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04_CompilationMode=wasm_RunKind=micro/ViperUbuntu/System.Linq.Tests.Perf_Enumerable.SelectToArray(input%3a%20List).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Linq/Perf.Enumerable.cs#L250-#L252>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 19.64 μs | 20.96 μs | 1.07 | 0.10 | False | | |
|<ul><li>[WhereSingle_LastElementMatches - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04_CompilationMode=wasm_RunKind=micro/ViperUbuntu/System.Linq.Tests.Perf_Enumerable.WhereSingle_LastElementMatches(input%3a%20List).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Linq/Perf.Enumerable.cs#L124-#L126>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 9.38 μs | 11.55 μs | 1.23 | 0.12 | False | | |
|<ul><li>[WhereSingle_LastElementMatches - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04_CompilationMode=wasm_RunKind=micro/ViperUbuntu/System.Linq.Tests.Perf_Enumerable.WhereSingle_LastElementMatches(input%3a%20Array).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Linq/Perf.Enumerable.cs#L124-#L126>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 7.63 μs | 11.62 μs | 1.52 | 0.10 | False | | |
|<ul><li>[WhereLast_LastElementMatches - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04_CompilationMode=wasm_RunKind=micro/ViperUbuntu/System.Linq.Tests.Perf_Enumerable.WhereLast_LastElementMatches(input%3a%20List).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Linq/Perf.Enumerable.cs#L66-#L68>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=H4sIAAAAAAAACl1STY/TMBC9V+p/GHpxKrJJyH6oBFkClgokWgltK/a48iaTxsixiz2mrVj++9pNeuEyI49nnt+8Z4UEhI6Aw0e2OTnCPltJ/TvbhqLLfqBtn5ba92jFs8LssUOLK+HoKYalwh41rQXVHbpE6r2nClbS0Zx9mE5UwBYtoQ3gjSAk2WNSFuXtVXF3Vb7bFovq5qYq77KyuH5/u1i8LYqqKObjpMW9CYOsMaSRcut1nL/gPluh6y7eW2xd3qFoXN4LqS8NtdGt3MWXT1r0sk7+snvT76USJI1emwZZBewgXM9SYA9ef5e6iaXQaw37F2l8RfoWljFW1kJ9ESQeJXURRVjpjHZJVI7HkA6L8nNMz9x5DOlIlA8pHWnxIc2nkxfYW/MLa4INWokuhc9eqmYbVt2Q6Pcp/BTKI4923JugAdoHdF7Rpz/Bkh1OJ3n+Aodoy4gAbwI4BSUczGZklsda+QZnM8hzWB4DpEIwLbRSBSypd2B8sAnceTgSsqib4FlUu+6EJTiErSEZGviF5rE2yvea/0/3NNQdP/MOfSRJIWdBPgxKn8bjGoXz9vx92PwV2QClMoUCAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=>)</li></ul> | 10.05 μs | 11.74 μs | 1.17 | 0.19 | False | | |
|<ul><li>[WhereSelect - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04_CompilationMode=wasm_RunKind=micro/ViperUbuntu/System.Linq.Tests.Perf_Enumerable.WhereSelect(input%3a%20Array).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Linq/Perf.Enumerable.cs#L54-#L56>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 24.99 μs | 30.11 μs | 1.20 | 0.12 | False | | |
|<ul><li>[WhereFirst_LastElementMatches - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04_CompilationMode=wasm_RunKind=micro/ViperUbuntu/System.Linq.Tests.Perf_Enumerable.WhereFirst_LastElementMatches(input%3a%20Array).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Linq/Perf.Enumerable.cs#L60-#L62>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 9.37 μs | 11.66 μs | 1.24 | 0.16 | False | | |
|<ul><li>[WhereSelect - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04_CompilationMode=wasm_RunKind=micro/ViperUbuntu/System.Linq.Tests.Perf_Enumerable.WhereSelect(input%3a%20List).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Linq/Perf.Enumerable.cs#L54-#L56>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 32.46 μs | 59.10 μs | 1.82 | 0.15 | False | | |
|<ul><li>[Where - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04_CompilationMode=wasm_RunKind=micro/ViperUbuntu/System.Linq.Tests.Perf_Enumerable.Where(input%3a%20List).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Linq/Perf.Enumerable.cs#L48-#L50>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 18.04 μs | 19.90 μs | 1.10 | 0.05 | False | | |
|<ul><li>[Select - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04_CompilationMode=wasm_RunKind=micro/ViperUbuntu/System.Linq.Tests.Perf_Enumerable.Select(input%3a%20List).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Linq/Perf.Enumerable.cs#L34-#L36>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 16.56 μs | 18.74 μs | 1.13 | 0.08 | False | | |
|<ul><li>[EmptyTakeSelectToArray - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04_CompilationMode=wasm_RunKind=micro/ViperUbuntu/System.Linq.Tests.Perf_Enumerable.EmptyTakeSelectToArray.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Linq/Perf.Enumerable.cs#L406-#L407>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 149.85 ns | 601.24 ns | 4.01 | 0.12 | False | | |
|<ul><li>[SelectToList - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04_CompilationMode=wasm_RunKind=micro/ViperUbuntu/System.Linq.Tests.Perf_Enumerable.SelectToList(input%3a%20List).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Linq/Perf.Enumerable.cs#L262-#L264>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=H4sIAAAAAAAACl1RTY/TMBC9V+p/GHpxKrJJttCyBFkClgokdiW0reCIvMmkMfJHscfbViz/HbtJL1xm7PG85zdvFBIQegIO79nm5Al1cSfN72Ibi774hq77uTZBoxOPCosNKmxoa++kp0yafaAa0nnO3k0nKnKJjtBFslYQktSYLarF8qpaXS2ut9VN/XpZv1oVN9dvF6vlm5dVVVfVfEQ63NsIZK0lg1S6YBL+wvvohGn69O6w82WPovWlFtJcGhprOrlLP5+M0LLJ/rBbq/dSCZLW3NsWWQ3sILxmObCHYL5K06ZS7HWW/U0yPiN9icNYJxuhPgkSPyT1iUU46a3xWXKKp5APg/JzzM/aeQr5KJQPKR9l8SHNp5Nn2Dv7K3oIG3QSfQ4fg1TtNo66IaH3OXwXKiBP9t/a6AG6B/RB0YenuIIdTidl+QyHHh2ODPAiklN0wsNsRnZ9bFRocTaDsoT1MVIqBNtBJ1XkkmYHNsQ1gT+DkyCHpo07S243vXAEhzg1ZEMDv8g8NlYFbfj/ck9D3fOz7thHkhRyFu3D6PRpvN6j8MGhRkNs/g9waRhFdQIAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=>)</li></ul> | 23.29 μs | 24.70 μs | 1.06 | 0.12 | False | | |
|<ul><li>[WhereLast_LastElementMatches - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04_CompilationMode=wasm_RunKind=micro/ViperUbuntu/System.Linq.Tests.Perf_Enumerable.WhereLast_LastElementMatches(input%3a%20Array).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Linq/Perf.Enumerable.cs#L66-#L68>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 7.55 μs | 11.91 μs | 1.58 | 0.08 | False | | |
|<ul><li>[WhereSingleOrDefault_LastElementMatches - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04_CompilationMode=wasm_RunKind=micro/ViperUbuntu/System.Linq.Tests.Perf_Enumerable.WhereSingleOrDefault_LastElementMatches(input%3a%20Array).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Linq/Perf.Enumerable.cs#L130-#L132>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 7.44 μs | 11.52 μs | 1.55 | 0.13 | False | | |
|<ul><li>[Where - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04_CompilationMode=wasm_RunKind=micro/ViperUbuntu/System.Linq.Tests.Perf_Enumerable.Where(input%3a%20Array).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Linq/Perf.Enumerable.cs#L48-#L50>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=H4sIAAAAAAAACl1RwY7TMBC9V+o/DL04FdkklG1BQZZYlgokdiW0rdgj8iaTxsixgz2mjVj+fe0mvXAZy+P3nt+8UUhA6Ag4fGS7wRF22Z3Uv7N9aLrsO9rm51b7Dq14Upg9tmgxkbr3VMKNtWJYsg/zmQoqoiG0QaYWhCQ7TFbFan1VbK5Wb/bF+/J6UxbvsuJ6s1qv374uirIolhPTYm8CkdWGNFJuvY78i+6TFbpq47vFxuUtitrlnZD6AqiMbuQh/jxo0ckq+ctuTddLJUgafW9qZCWwo3AdS4E9eP1N6jq2AtYa9i/a+IL0VToyVlZCfRYkHiW1UUVY6Yx2ScyIx5KOg/JzTc/eeSzpZJSPRzrZ4uOxnM+eobfmF1YEO7QSXQqfvFT1Poy6I9H1KfwQyiOPwd+akAHaB3Re0c2fEP4B57M8f4ZjXMCkAK+COIUkHCwWZLanSvkaFwvIc9iegqRCMA00UgUtqQ9gfFgTuDM5GrKo67CzmHbVCktwDFNDMgL4xeapMsp3mv9vdxj7jp99BxxJUshZiA9D0sN0vUfhvMUONbHlCz4ZDoVvAgAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=>)</li></ul> | 11.50 μs | 20.09 μs | 1.75 | 0.08 | False | | |
|<ul><li>[WhereFirst_LastElementMatches - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04_CompilationMode=wasm_RunKind=micro/ViperUbuntu/System.Linq.Tests.Perf_Enumerable.WhereFirst_LastElementMatches(input%3a%20List).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Linq/Perf.Enumerable.cs#L60-#L62>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 9.16 μs | 11.49 μs | 1.25 | 0.12 | False | | |
|<ul><li>[SelectToArray - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04_CompilationMode=wasm_RunKind=micro/ViperUbuntu/System.Linq.Tests.Perf_Enumerable.SelectToArray(input%3a%20Array).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Linq/Perf.Enumerable.cs#L250-#L252>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 13.28 μs | 21.30 μs | 1.60 | 0.08 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/08_21_2025/refs/heads/main_x64_ubuntu%2022.04_CompilationMode%3Dwasm_RunKind%3Dmicro/ViperUbuntu_Regression/System.Linq.Tests.Perf_Enumerable_001.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/08_21_2025/refs/heads/main_x64_ubuntu%2022.04_CompilationMode%3Dwasm_RunKind%3Dmicro/ViperUbuntu_Regression/System.Linq.Tests.Perf_Enumerable_002.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/08_21_2025/refs/heads/main_x64_ubuntu%2022.04_CompilationMode%3Dwasm_RunKind%3Dmicro/ViperUbuntu_Regression/System.Linq.Tests.Perf_Enumerable_003.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/08_21_2025/refs/heads/main_x64_ubuntu%2022.04_CompilationMode%3Dwasm_RunKind%3Dmicro/ViperUbuntu_Regression/System.Linq.Tests.Perf_Enumerable_004.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/08_21_2025/refs/heads/main_x64_ubuntu%2022.04_CompilationMode%3Dwasm_RunKind%3Dmicro/ViperUbuntu_Regression/System.Linq.Tests.Perf_Enumerable_005.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/08_21_2025/refs/heads/main_x64_ubuntu%2022.04_CompilationMode%3Dwasm_RunKind%3Dmicro/ViperUbuntu_Regression/System.Linq.Tests.Perf_Enumerable_006.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/08_21_2025/refs/heads/main_x64_ubuntu%2022.04_CompilationMode%3Dwasm_RunKind%3Dmicro/ViperUbuntu_Regression/System.Linq.Tests.Perf_Enumerable_007.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/08_21_2025/refs/heads/main_x64_ubuntu%2022.04_CompilationMode%3Dwasm_RunKind%3Dmicro/ViperUbuntu_Regression/System.Linq.Tests.Perf_Enumerable_008.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/08_21_2025/refs/heads/main_x64_ubuntu%2022.04_CompilationMode%3Dwasm_RunKind%3Dmicro/ViperUbuntu_Regression/System.Linq.Tests.Perf_Enumerable_009.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/08_21_2025/refs/heads/main_x64_ubuntu%2022.04_CompilationMode%3Dwasm_RunKind%3Dmicro/ViperUbuntu_Regression/System.Linq.Tests.Perf_Enumerable_010.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/08_21_2025/refs/heads/main_x64_ubuntu%2022.04_CompilationMode%3Dwasm_RunKind%3Dmicro/ViperUbuntu_Regression/System.Linq.Tests.Perf_Enumerable_011.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/08_21_2025/refs/heads/main_x64_ubuntu%2022.04_CompilationMode%3Dwasm_RunKind%3Dmicro/ViperUbuntu_Regression/System.Linq.Tests.Perf_Enumerable_012.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/08_21_2025/refs/heads/main_x64_ubuntu%2022.04_CompilationMode%3Dwasm_RunKind%3Dmicro/ViperUbuntu_Regression/System.Linq.Tests.Perf_Enumerable_013.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/08_21_2025/refs/heads/main_x64_ubuntu%2022.04_CompilationMode%3Dwasm_RunKind%3Dmicro/ViperUbuntu_Regression/System.Linq.Tests.Perf_Enumerable_014.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/08_21_2025/refs/heads/main_x64_ubuntu%2022.04_CompilationMode%3Dwasm_RunKind%3Dmicro/ViperUbuntu_Regression/System.Linq.Tests.Perf_Enumerable_015.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/08_21_2025/refs/heads/main_x64_ubuntu%2022.04_CompilationMode%3Dwasm_RunKind%3Dmicro/ViperUbuntu_Regression/System.Linq.Tests.Perf_Enumerable_016.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/08_21_2025/refs/heads/main_x64_ubuntu%2022.04_CompilationMode%3Dwasm_RunKind%3Dmicro/ViperUbuntu_Regression/System.Linq.Tests.Perf_Enumerable_017.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/08_21_2025/refs/heads/main_x64_ubuntu%2022.04_CompilationMode%3Dwasm_RunKind%3Dmicro/ViperUbuntu_Regression/System.Linq.Tests.Perf_Enumerable_018.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/08_21_2025/refs/heads/main_x64_ubuntu%2022.04_CompilationMode%3Dwasm_RunKind%3Dmicro/ViperUbuntu_Regression/System.Linq.Tests.Perf_Enumerable_019.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/08_21_2025/refs/heads/main_x64_ubuntu%2022.04_CompilationMode%3Dwasm_RunKind%3Dmicro/ViperUbuntu_Regression/System.Linq.Tests.Perf_Enumerable_020.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/08_21_2025/refs/heads/main_x64_ubuntu%2022.04_CompilationMode%3Dwasm_RunKind%3Dmicro/ViperUbuntu_Regression/System.Linq.Tests.Perf_Enumerable.html>)

### Repro
General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md

```cmd
git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Linq.Tests.Perf_Enumerable*'
```

<details>

### System.Linq.Tests.Perf_Enumerable.SelectToList(input: Array)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Linq.Tests.Perf_Enumerable.Select(input: Array)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Linq.Tests.Perf_Enumerable.Take_All(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.SelectToArray(input: List)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Linq.Tests.Perf_Enumerable.WhereSingle_LastElementMatches(input: List)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Linq.Tests.Perf_Enumerable.WhereSingle_LastElementMatches(input: Array)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Linq.Tests.Perf_Enumerable.WhereLast_LastElementMatches(input: List)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Linq.Tests.Perf_Enumerable.WhereSelect(input: Array)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Linq.Tests.Perf_Enumerable.WhereFirst_LastElementMatches(input: Array)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Linq.Tests.Perf_Enumerable.WhereSelect(input: List)

#### 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.EmptyTakeSelectToArray

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Linq.Tests.Perf_Enumerable.SelectToList(input: List)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Linq.Tests.Perf_Enumerable.WhereLast_LastElementMatches(input: Array)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Linq.Tests.Perf_Enumerable.WhereSingleOrDefault_LastElementMatches(input: Array)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Linq.Tests.Perf_Enumerable.Where(input: Array)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Linq.Tests.Perf_Enumerable.WhereFirst_LastElementMatches(input: List)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Linq.Tests.Perf_Enumerable.SelectToArray(input: Array)

#### 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)

</details>


---


### Run Information

Name | Value
-- | --
Architecture | x64
OS | ubuntu 22.04
Queue | ViperUbuntu
Baseline | [1209ddec456f1d7871847b07b46f00d44012d687](https://github.com/dotnet/runtime/commit/1209ddec456f1d7871847b07b46f00d44012d687)
Compare | [10bc77650ffd5462f9b66cbc8f631460e722c74f](https://github.com/dotnet/runtime/commit/10bc77650ffd5462f9b66cbc8f631460e722c74f)
Diff | [Diff](https://github.com/dotnet/runtime/compare/1209ddec456f1d7871847b07b46f00d44012d687...10bc77650ffd5462f9b66cbc8f631460e722c74f)
Configs | CompilationMode:wasm, RunKind:micro


### Regressions in LinqBenchmarks

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[Where01LinqMethodNestedX - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04_CompilationMode=wasm_RunKind=micro/ViperUbuntu/LinqBenchmarks.Where01LinqMethodNestedX.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/runtime/Linq/Linq.cs#L236-#L252>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 5.85 secs | 6.27 secs | 1.07 | 0.07 | False | | |
|<ul><li>[Where00LinqMethodX - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04_CompilationMode=wasm_RunKind=micro/ViperUbuntu/LinqBenchmarks.Where00LinqMethodX.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/runtime/Linq/Linq.cs#L148-#L164>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 7.57 secs | 9.55 secs | 1.26 | 0.07 | False | | |
|<ul><li>[Where00LinqQueryX - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04_CompilationMode=wasm_RunKind=micro/ViperUbuntu/LinqBenchmarks.Where00LinqQueryX.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/runtime/Linq/Linq.cs#L127-#L146>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 7.57 secs | 9.43 secs | 1.25 | 0.06 | False | | |
|<ul><li>[Where01LinqQueryX - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04_CompilationMode=wasm_RunKind=micro/ViperUbuntu/LinqBenchmarks.Where01LinqQueryX.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/runtime/Linq/Linq.cs#L195-#L215>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 4.33 secs | 4.80 secs | 1.11 | 0.13 | False | | |
|<ul><li>[Where01LinqMethodX - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04_CompilationMode=wasm_RunKind=micro/ViperUbuntu/LinqBenchmarks.Where01LinqMethodX.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/runtime/Linq/Linq.cs#L217-#L234>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 4.24 secs | 4.83 secs | 1.14 | 0.09 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/08_21_2025/refs/heads/main_x64_ubuntu%2022.04_CompilationMode%3Dwasm_RunKind%3Dmicro/ViperUbuntu_Regression/LinqBenchmarks_001.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/08_21_2025/refs/heads/main_x64_ubuntu%2022.04_CompilationMode%3Dwasm_RunKind%3Dmicro/ViperUbuntu_Regression/LinqBenchmarks_002.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/08_21_2025/refs/heads/main_x64_ubuntu%2022.04_CompilationMode%3Dwasm_RunKind%3Dmicro/ViperUbuntu_Regression/LinqBenchmarks_003.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/08_21_2025/refs/heads/main_x64_ubuntu%2022.04_CompilationMode%3Dwasm_RunKind%3Dmicro/ViperUbuntu_Regression/LinqBenchmarks_004.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/08_21_2025/refs/heads/main_x64_ubuntu%2022.04_CompilationMode%3Dwasm_RunKind%3Dmicro/ViperUbuntu_Regression/LinqBenchmarks_005.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/08_21_2025/refs/heads/main_x64_ubuntu%2022.04_CompilationMode%3Dwasm_RunKind%3Dmicro/ViperUbuntu_Regression/LinqBenchmarks.html>)

### Repro
General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md

```cmd
git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'LinqBenchmarks*'
```

<details>

### LinqBenchmarks.Where01LinqMethodNestedX

#### ETL Files

#### Histogram

#### JIT Disasms

### LinqBenchmarks.Where00LinqMethodX

#### ETL Files

#### Histogram

#### JIT Disasms

### LinqBenchmarks.Where00LinqQueryX

#### ETL Files

#### Histogram

#### JIT Disasms

### LinqBenchmarks.Where01LinqQueryX

#### ETL Files

#### Histogram

#### JIT Disasms

### LinqBenchmarks.Where01LinqMethodX

#### 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)

</details>


---


### Run Information

Name | Value
-- | --
Architecture | x64
OS | ubuntu 22.04
Queue | ViperUbuntu
Baseline | [1209ddec456f1d7871847b07b46f00d44012d687](https://github.com/dotnet/runtime/commit/1209ddec456f1d7871847b07b46f00d44012d687)
Compare | [10bc77650ffd5462f9b66cbc8f631460e722c74f](https://github.com/dotnet/runtime/commit/10bc77650ffd5462f9b66cbc8f631460e722c74f)
Diff | [Diff](https://github.com/dotnet/runtime/compare/1209ddec456f1d7871847b07b46f00d44012d687...10bc77650ffd5462f9b66cbc8f631460e722c74f)
Configs | CompilationMode:wasm, RunKind:micro


### Regressions in System.Memory.Span&lt;Int32&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[Fill - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04_CompilationMode=wasm_RunKind=micro/ViperUbuntu/System.Memory.Span(Int32).Fill(Size%3a%204).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Memory/Span.cs#L43-#L44>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 14.92 ns | 15.96 ns | 1.07 | 0.27 | False | | |
|<ul><li>[Fill - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04_CompilationMode=wasm_RunKind=micro/ViperUbuntu/System.Memory.Span(Int32).Fill(Size%3a%2033).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Memory/Span.cs#L43-#L44>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 22.66 ns | 24.92 ns | 1.10 | 0.23 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/08_21_2025/refs/heads/main_x64_ubuntu%2022.04_CompilationMode%3Dwasm_RunKind%3Dmicro/ViperUbuntu_Regression/System.Memory.Span%28Int32%29_001.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/08_21_2025/refs/heads/main_x64_ubuntu%2022.04_CompilationMode%3Dwasm_RunKind%3Dmicro/ViperUbuntu_Regression/System.Memory.Span%28Int32%29_002.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/08_21_2025/refs/heads/main_x64_ubuntu%2022.04_CompilationMode%3Dwasm_RunKind%3Dmicro/ViperUbuntu_Regression/System.Memory.Span%28Int32%29.html>)

### Repro
General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md

```cmd
git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Memory.Span&lt;Int32&gt;*'
```

<details>

### System.Memory.Span&lt;Int32&gt;.Fill(Size: 4)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Memory.Span&lt;Int32&gt;.Fill(Size: 33)

#### 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)

</details>


---


### Run Information

Name | Value
-- | --
Architecture | x64
OS | ubuntu 22.04
Queue | ViperUbuntu
Baseline | [1209ddec456f1d7871847b07b46f00d44012d687](https://github.com/dotnet/runtime/commit/1209ddec456f1d7871847b07b46f00d44012d687)
Compare | [10bc77650ffd5462f9b66cbc8f631460e722c74f](https://github.com/dotnet/runtime/commit/10bc77650ffd5462f9b66cbc8f631460e722c74f)
Diff | [Diff](https://github.com/dotnet/runtime/compare/1209ddec456f1d7871847b07b46f00d44012d687...10bc77650ffd5462f9b66cbc8f631460e722c74f)
Configs | CompilationMode:wasm, RunKind:micro


### Regressions in System.Tests.Perf_String

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[Join_Enumerable - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04_CompilationMode=wasm_RunKind=micro/ViperUbuntu/System.Tests.Perf_String.Join_Enumerable.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Runtime/Perf.String.cs#L66-#L68>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 4.15 μs | 4.89 μs | 1.18 | 0.04 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/08_21_2025/refs/heads/main_x64_ubuntu%2022.04_CompilationMode%3Dwasm_RunKind%3Dmicro/ViperUbuntu_Regression/System.Tests.Perf_String_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/08_21_2025/refs/heads/main_x64_ubuntu%2022.04_CompilationMode%3Dwasm_RunKind%3Dmicro/ViperUbuntu_Regression/System.Tests.Perf_String.html>)

### Repro
General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md

```cmd
git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Tests.Perf_String*'
```

<details>

### System.Tests.Perf_String.Join_Enumerable

#### 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)

</details>

Name	Value
Architecture	x64
OS	ubuntu 22.04
Queue	ViperUbuntu
Baseline	1209ddec456f1d7871847b07b46f00d44012d687
Compare	10bc77650ffd5462f9b66cbc8f631460e722c74f
Diff	Diff
Configs	CompilationMode:wasm, RunKind:micro

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector
SelectToList - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	16.86 μs	24.42 μs	1.45	0.09	False
Select - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	10.91 μs	18.27 μs	1.67	0.05	False
Take_All - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	16.15 μs	17.77 μs	1.10	0.07	False
WhereAny_LastElementMatches - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	9.34 μs	11.66 μs	1.25	0.14	False
SelectToArray - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	19.64 μs	20.96 μs	1.07	0.10	False
WhereSingle_LastElementMatches - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	9.38 μs	11.55 μs	1.23	0.12	False
WhereSingle_LastElementMatches - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	7.63 μs	11.62 μs	1.52	0.10	False
WhereLast_LastElementMatches - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	10.05 μs	11.74 μs	1.17	0.19	False
WhereSelect - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	24.99 μs	30.11 μs	1.20	0.12	False
WhereFirst_LastElementMatches - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	9.37 μs	11.66 μs	1.24	0.16	False
WhereSelect - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	32.46 μs	59.10 μs	1.82	0.15	False
Where - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	18.04 μs	19.90 μs	1.10	0.05	False
Select - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	16.56 μs	18.74 μs	1.13	0.08	False
EmptyTakeSelectToArray - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	149.85 ns	601.24 ns	4.01	0.12	False
SelectToList - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	23.29 μs	24.70 μs	1.06	0.12	False
WhereLast_LastElementMatches - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	7.55 μs	11.91 μs	1.58	0.08	False
WhereSingleOrDefault_LastElementMatches - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	7.44 μs	11.52 μs	1.55	0.13	False
Where - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	11.50 μs	20.09 μs	1.75	0.08	False
WhereFirst_LastElementMatches - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	9.16 μs	11.49 μs	1.25	0.12	False
SelectToArray - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	13.28 μs	21.30 μs	1.60	0.08	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector
Where01LinqMethodNestedX - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	5.85 secs	6.27 secs	1.07	0.07	False
Where00LinqMethodX - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	7.57 secs	9.55 secs	1.26	0.07	False
Where00LinqQueryX - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	7.57 secs	9.43 secs	1.25	0.06	False
Where01LinqQueryX - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	4.33 secs	4.80 secs	1.11	0.13	False
Where01LinqMethodX - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	4.24 secs	4.83 secs	1.14	0.09	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
Fill - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	14.92 ns	15.96 ns	1.07	0.27	False
Fill - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	22.66 ns	24.92 ns	1.10	0.23	False

Uh oh!

[Perf] Linux/x64: 28 Regressions on 8/16/2025 4:36:35 PM +00:00 #61044

Description

Run Information

Regressions in System.Linq.Tests.Perf_Enumerable

Repro

System.Linq.Tests.Perf_Enumerable.SelectToList(input: Array)

ETL Files

Histogram

JIT Disasms

System.Linq.Tests.Perf_Enumerable.Select(input: Array)

ETL Files

Histogram

JIT Disasms

System.Linq.Tests.Perf_Enumerable.Take_All(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.SelectToArray(input: List)

ETL Files

Histogram

JIT Disasms

System.Linq.Tests.Perf_Enumerable.WhereSingle_LastElementMatches(input: List)

ETL Files

Histogram

JIT Disasms

System.Linq.Tests.Perf_Enumerable.WhereSingle_LastElementMatches(input: Array)

ETL Files

Histogram

JIT Disasms

System.Linq.Tests.Perf_Enumerable.WhereLast_LastElementMatches(input: List)

ETL Files

Histogram

JIT Disasms

System.Linq.Tests.Perf_Enumerable.WhereSelect(input: Array)

ETL Files

Histogram

JIT Disasms

System.Linq.Tests.Perf_Enumerable.WhereFirst_LastElementMatches(input: Array)

ETL Files

Histogram

JIT Disasms

System.Linq.Tests.Perf_Enumerable.WhereSelect(input: List)

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.EmptyTakeSelectToArray

ETL Files

Histogram

JIT Disasms

System.Linq.Tests.Perf_Enumerable.SelectToList(input: List)

ETL Files

Histogram

JIT Disasms

System.Linq.Tests.Perf_Enumerable.WhereLast_LastElementMatches(input: Array)

ETL Files

Histogram

JIT Disasms

System.Linq.Tests.Perf_Enumerable.WhereSingleOrDefault_LastElementMatches(input: Array)

ETL Files

Histogram

JIT Disasms

System.Linq.Tests.Perf_Enumerable.Where(input: Array)

ETL Files

Histogram

JIT Disasms

System.Linq.Tests.Perf_Enumerable.WhereFirst_LastElementMatches(input: List)

ETL Files