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Benchmarks for dotnet/runtime#134783 (for @EgorBo) #623
Description
Activity
Results for
macos15_helix_arm64BenchmarkDotNet v0.16.0-preview.1, macOS Sequoia 15.7.5 (24G624) [Darwin 24.6.0] Apple M4, 1 CPU, 10 logical and 10 physical cores Memory: 16 GB Total, 2.94 GB Available .NET SDK 11.0.100-rtm.26473.115 [Host] : .NET 11.0.0 (11.0.0-rtm.26473.115, 11.0.26.47415), Arm64 RyuJIT armv8.0-aMethod Toolchain Mean Error Ratio Lookup main 3.558 ns 0.0609 ns 1.23 Lookup PR #134783 2.886 ns 0.0021 ns 1.00 Results for
ubuntu24_azure_turinBenchmarkDotNet v0.16.0-preview.1, Linux Ubuntu 24.04.4 LTS (Noble Numbat) AMD EPYC 9V45 2.60GHz, 1 CPU, 8 logical and 4 physical cores Memory: 31.34 GB Total, 8.36 GB Available .NET SDK 11.0.100-rtm.26473.115 [Host] : .NET 11.0.0 (11.0.0-rtm.26473.115, 11.0.26.47415), X64 RyuJIT x86-64-v4Method Toolchain Mean Error Ratio Lookup main 3.918 ns 0.0224 ns 1.25 Lookup PR #134783 3.144 ns 0.0062 ns 1.00 Ugh. not sure why Cobalt-100 failed to build, it's something new
2026-09-28 23:52:54.316 /home/egorbot_work/.dotnet/NUGET_PACKAGES/microsoft.net.compilers.toolset/5.12.0-1.26471.108/tasks/netcore/Microsoft.CSharp.Core.targets(97,5): error MSB3883: Unexpected exception: [/home/egorbot_work/runtime/src/libraries/System.Reflection.DispatchProxy/ref/System.Reflection.DispatchProxy.csproj] 2026-09-28 23:52:54.316 /home/egorbot_work/.dotnet/NUGET_PACKAGES/microsoft.net.compilers.toolset/5.12.0-1.26471.108/tasks/netcore/Microsoft.CSharp.Core.targets(97,5): error : Cannot release a lock that is not owned by the current thread. [/home/egorbot_work/runtime/src/libraries/System.Reflection.DispatchProxy/ref/System.Reflection.DispatchProxy.csproj] 2026-09-28 23:52:54.316 /home/egorbot_work/.dotnet/NUGET_PACKAGES/microsoft.net.compilers.toolset/5.12.0-1.26471.108/tasks/netcore/Microsoft.CSharp.Core.targets(97,5): error MSB3883: Unexpected exception: [/home/egorbot_work/runtime/src/libraries/shims/System.Security.Cryptography.Encoding/src/System.Security.Cryptography.Encoding.csproj] 2026-09-28 23:52:54.316 /home/egorbot_work/.dotnet/NUGET_PACKAGES/microsoft.net.compilers.toolset/5.12.0-1.26471.108/tasks/netcore/Microsoft.CSharp.Core.targets(97,5): error : Cannot release a lock that is not owned by the current thread. [/home/egorbot_work/runtime/src/libraries/shims/System.Security.Cryptography.Encoding/src/System.Security.Cryptography.Encoding.csproj]dotnet.sh build-server shutdownwas supposed to kill everything before 2nd build.Results for
windows_azure_emeraldrapidsBenchmarkDotNet v0.16.0-preview.1, Windows 11 (10.0.26100.33438/24H2/2024Update/HudsonValley) (Hyper-V) INTEL XEON PLATINUM 8573C 2.30GHz, 1 CPU, 8 logical and 4 physical cores Memory: 31.99 GB Total, 25.14 GB Available .NET SDK 11.0.100-rtm.26473.115 [Host] : .NET 11.0.0 (11.0.0-rtm.26473.115, 11.0.26.47415), X64 RyuJIT x86-64-v4Method Toolchain Mean Error Ratio Lookup main 6.711 ns 0.0454 ns 1.34 Lookup PR #134783 5.005 ns 0.0658 ns 1.00 BDN profiler traces (speedscope)
@EgorBot -windows_intel -osx_arm
using System; using System.Collections.Generic; using BenchmarkDotNet.Attributes; using BenchmarkDotNet.Running; BenchmarkSwitcher.FromAssembly(typeof(Bench).Assembly).Run(args); public class Bench { private readonly Dictionary<Type, int> _dictionary = new() { [typeof(string)] = 42 }; [Benchmark] public int Lookup() => _dictionary[typeof(string)]; }
Reacted by EgorBotResults for
macos15_helix_arm64BenchmarkDotNet v0.16.0-preview.1, macOS Sequoia 15.4.1 (24E263) [Darwin 24.4.0] Apple M4, 1 CPU, 10 logical and 10 physical cores Memory: 16 GB Total, 2.7 GB Available .NET SDK 11.0.100-rtm.26473.115 [Host] : .NET 11.0.0 (11.0.0-rtm.26473.115, 11.0.26.47415), Arm64 RyuJIT armv8.0-aMethod Toolchain Mean Error Ratio Lookup main 3.647 ns 0.0717 ns 1.27 Lookup PR #134783 2.881 ns 0.0009 ns 1.00 Results for
windows_azure_emeraldrapidsBenchmarkDotNet v0.16.0-preview.1, Windows 11 (10.0.26100.33438/24H2/2024Update/HudsonValley) (Hyper-V) INTEL XEON PLATINUM 8573C 2.30GHz, 1 CPU, 8 logical and 4 physical cores Memory: 31.99 GB Total, 25.17 GB Available .NET SDK 11.0.100-rtm.26473.115 [Host] : .NET 11.0.0 (11.0.0-rtm.26473.115, 11.0.26.47415), X64 RyuJIT x86-64-v4Method Toolchain Mean Error Ratio Lookup main 5.961 ns 0.0108 ns 1.38 Lookup PR #134783 4.323 ns 0.0078 ns 1.00 - added a commit that references this issue
on Sep 29, 2026
Processing benchmark request from PR dotnet/runtime#134783.
Targets: windows_azure_emeraldrapids, ubuntu24_azure_turin, macos15_helix_arm64, ubuntu24_azure_cobalt100
Commits:
main;PR_134783Results will be posted here once they are ready.