OT: I just spend a few minutes searching for the source of the "Not all CPU operations are created equal" slide of the linked presentation (Andrew Kelley - Practical DOD), its here:

https://6it.dev/blog/infographics-operation-costs-in-cpu-clo...

You URL seems KO, an alternative I found: https://x.com/chessMan786/status/1879092981892067383/photo/1