Do base your believe that Factorio is under-optimised on anything specific?
The Factorio devs regularly put out blog posts on the optimisations they have done, like [1][2][3] (and many others), and they have done so for a long time. This gives me the opposite impression.
The Factorio devs regularly put out blog posts on the optimisations they have done, like [1][2][3] (and many others), and they have done so for a long time. This gives me the opposite impression.
[1] https://factorio.com/blog/post/fff-322 [2] https://factorio.com/blog/post/fff-281 [3] https://factorio.com/blog/post/fff-209