Improve performance via Class Layout

[https://simontoth.substack.com/p/daily-bite-of-c-optimizing-code-to](https://crocus-dragon-61f.notion.site/https-simontoth-substack-com-p-daily-bite-of-c-optimizing-code-to-11d1894909cc8139989fd9705405bc90)

https://voithos.io/articles/std-move-is-not-free/

https://www.joshcaratelli.com/blog/struct-packing