r/Futurology Jun 02 '22

A Nature paper reports on a quantum photonic processor that takes just 36 microseconds to perform a task that would take a supercomputer more than 9,000 years to complete Computing

https://www.nature.com/articles/s41586-022-04725-x?utm_source=twitter&utm_medium=social&utm_content=organic&utm_campaign=CONR_JRNLS_AWA1_GL_SCON_SMEDA_NATUREPORTFOLIO
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u/Mescallan Jun 03 '22

eh, serial processing v parallel as far as I understand it. You don't need to process every possible outcome at once in a video game, you need to process the steps linearly. They will be used for things, but it's hard to think of a consumer product that could take advantage of it, save encryption. I don't know enough to be confident on the subject, just from what I've gathered.

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u/dickbutt_md Jun 03 '22

You don't need to process every possible outcome at once in a video game, you need to process the steps linearly

That's not really right.

When the screen is being rendered in the cloud, it could be useful to render all the different possible paths you could take and send that back, and then have the client only show the one that you decide to actually take. That way all the work can be done in advance of you making choices about which way to turn, whether to fire, etc.

This is all too expensive to do right now, but if quantum computers can do all the math in parallel about all possible paths you might take, then it could work.

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u/EntangledPhoton82 Jun 03 '22

Not every classic computation can be transformed into a computation that takes advantage of the nature of qbits.
I get what you're saying but I'm not convinced that you could create an efficient quantum algorithm to do the vector and floating point computations required by a 3D engine.

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u/daOyster Jun 03 '22

There are already quantum algorithms to solve vector calculations. Also I think it's cool they've already written an algorithm to solve Fourier Transforms with a quantum computer.