This is getting way outside the traditional compiler model, but I believe the .NET JIT has been adding more support for this in the last couple versions. One as

This is getting way outside the traditional compiler model, but I believe the .NET JIT has been adding more support for this in the last couple versions. One aspect of it is covered at https://devblogs.microsoft.com/dotnet/performance-improvements-in-net-8/#tiering-and-dynamic-pgo https://devblogs.microsoft.com/dotnet/performance-improvemen...