I think CPU manufacturers did exactly that in the 70s, 80s, and probably early 90s, but stopped sometime afterwards. They sold PPUs to speed things up, and that stopped when bus speeds couldn’t keep up.
I think CPU manufacturers did exactly that in the 70s, 80s, and probably early 90s, but stopped sometime afterwards. They sold PPUs to speed things up, and that stopped when bus speeds couldn’t keep up.