I’m pretty sure Torvalds tells a story of spending days hunting down a compiler bug, only to find it was memory, and then simply never using anything other than EC memory again.

10+% is huge

He specifically mentions this story in the LTT video from a few months ago.

https://youtu.be/mfv0V1SxbNA?si=hS4ZMRYqqLXMkxJW&t=526