> Why do you have to call it more than 50 times before it gets fully optimized?? Is the decision-maker completely unaware of the execution time?

If you read the linked conversation, you'll notice that there are multiple factors at play.

Here's the document that roughly outlines the tiered compilation and DPGO flows: https://github.com/dotnet/runtime/blob/main/docs/design/feat... note that it may be slightly dated since the exact tuning is subject to change between releases