Originally posted by Symmetric Chaos
Can you really perfectly simulate the universe on just 300 q-bits? That seems really low. I would think a simulation of all the particles engaging in all their actions would require a computer exactly the size of the universe. Like to simulate a single interaction you need to do at least one thing in the computer so if you simulate every interaction between every particle you need that many "things" in the computer. Er, that's an awful explanation.
A bit more than 300 is required to represent the universe. A perfected quantum computer allows for computational ability stupidly faster than what we have now. This is on top of a stupid amount of information being able to be stored. The common term thrown around is "300 qbits to represent every single atom and it's position in the universe". A bit more should be able to accommodate the algorithms that would govern those atoms (no need to design things like quarks into the system...or even some types of physics because you can cut corners in a digital world).
We are currently building...what...4 qbit computers? It appears to be geometric in growth.
And, no, your explanation is perfectly understandable. 👆
Originally posted by Symmetric Chaos
Still, if that's possible (and you know a lot more about computers than I do) even those computers will run out of space if you allow for enough growth since the machine is still based in the physical world. More space can be squeezed out of reality by being more efficient as we grow. A digital universe doesn't need perfect rules unless the players do.
I have seen the quantum computers at MIT. They are supercooled and are in big ass canisters. These are not feasible for our future quantum computers. So we would need to perfect them, first, before we can start doing anything real with them. But, they say progress is steady and we are already designing algorithms around how different qbits act over regular bits. For instance, the tiny tiny computers we have no are being used to crack encryption. If someone were to tell a a cryptologist from the 70s that we can crack DES in less than 10 minutes using only a "4-bit" computing environment, they'd tell you to STFU and GTFO. We can crack DES with 256 bit cards dedicated to just cracking DES, now, but the quantum computers make the regular computers look silly. We are not anywhere even close to being able to unlock all the ways we can employ the bizarre nature of qbits.
But assume all that crap has been worked out and we are building quantum computers about the size of the ones at MIT but they put are 300+ qbit computers. Each one would represent something similar to the size and general complexity of our universe. If we bump up the complexity of our quantum computers (it does not work like this but we could make it like...say...the 16 bit graphics cards versus the 512 bit graphics cards we have today: they are still the same size but their complexities are MASSIVELY different by many powers) but even a few powers (again, 400 qbit computing environment is geometrically more complex than a 300 qbit one), we could have one quantum computer dedicated to a single multiverse.
Edit - Just saw that you said the digital universe does not need to be perfectly matching to our own. I agree. I should have read down further. But, yes, the computers would be no bigger than a small vat.
Originally posted by Symmetric Chaos
The only way I can think of for even more infinite growth is the run both in parallel and in sequence. Have a million digital universes running simultaneously for a year. At the end compress them down to a tiny amount of data and load the next million universes. This way you can use most your computing mass to hold people and very little to constantly run equations.
I don't understand what you're saying here. Keep in mind that the "perception" of self cannot be lost or else it is the same as death. If you stop the program from running even a little bit, everyone dies. The clones would not have the continuous subjective perception of self (that would require a soul...and my scenario assumes we don't have one).
But, yeah, explain what you mean here as I don't understand. I understand how you can compress lots of data through running it through a compression algorithm over and over and over, but I don't understand why you would do that.
Lastly, I thought of something awesome: you can totally change the perception of time in each universe with "clock cycles" in the such. Just program the "interface" to run at a certain speed and adjust the "perception of time" algorithms to slow down to match that clock. Then you can fit in looooooooooong amounts of time in digiverses in a very very short amount of time in the real world. So there are two dimensions to increasing the amount of universes: time perception and creating more universes with more complex quantum computers.
The simple solution is to actually put a cap on the ability to have children. Set the cap to be perfectly in tune with the amount of people "quitting" and then you have a waiting list in the digital world. Problem solved. Right?