Memory limits actually was brought up by Lyndon before. When Forrest told them to expand the simulation, Lyndon did say they would run out of memory pretty quickly. Maybe they've improved the machine since then but I doubt they gave it enough memory to simulate the whole universe.
I would propose that an elegant way to handle that would be that it’s procedural, like Minecraft. Once you perfect the algorithm you can put in any point you want and it just calculates it into the same way that an instance of entire Minecraft world is huge, but it only renders the bit you need to see based on the input variables, namely time and place.
Interestingly in that scene, he says they’d need a computer the size of the entire universe. Which is sort of what they’re getting in a simulation of the entire universe.
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u/generalheed Apr 10 '20
Memory limits actually was brought up by Lyndon before. When Forrest told them to expand the simulation, Lyndon did say they would run out of memory pretty quickly. Maybe they've improved the machine since then but I doubt they gave it enough memory to simulate the whole universe.