I can't quite tell from the description - is this mod saying "everything looks like it's running the same, but it's processing twice as fast"; or "everything looks like it's running twice as fast, but it's processing at the same speed?"

i.e. does this mod help the player not be bored, but still requires a powerful computer ... or does this not change the gameplay, but helps one play on a slower computer?

I haven't tested it with slow computers so I'm not sure how it works performance wise, but it's basically a cheat which makes game work 2x faster while kind of looking like it's not. I've played a game with few friends and they didn't realize we had this mod until I told them

I've made this mod to practice speedruning, since the game progression with it is basically the same, but is faster and smoother
I believe I set the category for this mod as a "cheat", but now it's marked as "Tweaks", so maybe moderators changed it? idk