List Add is way slower (almost 3 times) in net9.0 preview 3 than with net8.0
dotnet/runtime

This is an interesting discussion and investigation into why performance significantly drops on one of the platforms after optimization in net9.0. I always love reading how engineers solve complex problems. It's fascinating to see what changes under the hood can cause such big differences in performance and how they track down the issue.

https://github.com/dotnet/runtime/issues/101437

#performance