This has been understood for years and years. I remember there being a writeup about paint.net and what they had to do to keep performance. They were worrying

This has been understood for years and years. I remember there being a writeup about paint.net and what they had to do to keep performance. They were worrying a lot about memory and how to manipulate .net to manage it. If you want performance, you don't get to ignore memory no matter the language, but some languages/platforms make it easier and some get in the way.