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AI learns the “dark art” of RFIC design

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Re: AI learns the “dark art” of RFIC design

#151
post #83

I wonder if our common expectation that true theories somehow had to be beautiful and elegant is going to survive the coming century. What if "real" nature phenomenon were actually best described by horrible mess of impossible equations, that only machines could actually manipulate and reason about ? That would be really sad..

Hallucination, when it succeeds, is the intelligence.

Re: AI learns the “dark art” of RFIC design

#152

Earlier quoted context omitted.

That is very unlikely due to Solomonoff induction...

Solomonoff induction doesn’t concern itself with what is truth and reality. It just says which theory to prefer and how to determine so objectively when multiple are equally precise in making predictions of observations. It’s a formal description of Occam’s razor. OPs argument is that reality is expressed by very complex equations and interactions; by definition this is outside of Solomonoff induction because it’s ea…

You should include the error correction code length in the description length. This means Newtonian mechanics was a much longer theory to describe Mercury's orbit than general relativity. It was only the shorter theory before they had the data showing a discrepancy. Which is the correct approach to describing your reality, because until you see a discrepancy, the extensional properties all follow the shorter rules.

I guess the argument from OP would look like: "Yes, now imagine we poke and extend our universe as far as we can. How much bigger do you think our final 'shortest description' would be? I imagine it may be orders of magnitude more complex."

Well, I can imagine a squared circle... doesn't mean the math checks out. I would reply that you do not have to imagine, you can go about looking at different mathematically possible universes in Tegmark IV and find the expected number of bits for the one you actually exist in. Which is ~0 bits more complex than the shortest description based on the data you currently have.

Also, note that Newtonian mechanics is not actually a very short theory for building a universe, because you have to instantiate every object in the universe. You actually get a lot more of the structure for free with general relativity (re: Wigner's classification of the particles). An observer in a presumed-Newtonian universe calling it a simple theory would be like saying, "I compressed Wikipedia to one byte, just by putting it all in the decompiler!"

Re: AI learns the “dark art” of RFIC design

#154
post #138
post #5

Reminds me of good ol genetic algorithm search. Guess and check can be quite powerful, especially if you can toss in agent in the loop guidance. https://en.wikipedia.org/wiki/Evolved_antenna

GA’s optimize only combinatorial problems though — where you have discrete set of choices (~genes) for each variable, and therefore do not have a gradient

You can use a GA with continuous parameters and a smooth gradient but it probably isn't the most efficient method in that case.

Re: AI learns the “dark art” of RFIC design

#155

Earlier quoted context omitted.

Would it be sad? If it’s gnarly and it solves the problem, as an end user I don’t really care. The only people who lose are the mathematical purists

Math is a language to explain systems. Teaching someone that force varies linearly to mass is a helpful first pass. It isn’t exactly linear but is not exponential at all. Gaining expertise is always the hard part and our new LLM overlords are making that much harder. So the simple “pure” functions as a teaching aid have never been more important. End users have never cared about how the sausage is made though.

> LLM overlords are making that much harder.

LLMs can explain complex things to humans with tons of specific context that you don’t find in textbooks or even a google search.

It’s probably never been easier to grasp a large codebase than it is today for example. You can probe and ask specific questions without going through a maze of imports and relationships and config files yourself.

Learning things will always be up to the person, it’s still a choice and dedication to a craft can still be taught.

Re: AI learns the “dark art” of RFIC design

#157
post #83

I wonder if our common expectation that true theories somehow had to be beautiful and elegant is going to survive the coming century. What if "real" nature phenomenon were actually best described by horrible mess of impossible equations, that only machines could actually manipulate and reason about ? That would be really sad..

All theories are wrong.

Some are useful.

Having theories that only give answers, but you can't reason about is not as useful. Having a theory where you don't know the limits of it's applicability, can be very dangerous.

At least in the physical realm there is not yet anything that combines relativity with QM so they can only be approximations. Even in math so far there seem to be similar challenges using programatic and "AI" driven solutions and proofs.

Still, I know that LLMs will be useful for Verilog/VHDL and particularly with verification, where they are already heavily used. Defined outputs and complete test coverage is already such a big part digital/asic design, I'd be surprised if it isn't used a lot more. Many software people would say that hardware is badly written copy-pasta, as it is. That said, higher velocity slop and hardware "technical debt" isn't something you can fix with an update. And no matter how fast you "ship", you won't get parts back in less than a few months. Poorly used, it will lead to expensive failures.

Re: AI learns the “dark art” of RFIC design

#158
It may come as a surprise, but this phenomenon of "uninterpretable" circuits designed by algorithms is 30 years old now.

Adrian Thompson's research in the 90s evolved FPGAs that did signal analysis with bizarre features:

- A tiny number of cells (far fewer than expected)

- No clock, despite performing signal analysis

- FPGA cells that were logically disconnected, but when removed caused the device to stop working

Even then their approach was taking advantage of the physics in the FPGA. One can only imagine how effective this could be when applied to circuit design with the compute budget of a frontier lab.

https://cacm.acm.org/research/analysis-of-unconventional-evo...

Re: AI learns the “dark art” of RFIC design

#160
post #83

I wonder if our common expectation that true theories somehow had to be beautiful and elegant is going to survive the coming century. What if "real" nature phenomenon were actually best described by horrible mess of impossible equations, that only machines could actually manipulate and reason about ? That would be really sad..

It would represent a pretty sharp inversion from all the progress of mathematical physics until the present.

Up until the present it has been a nearly uniform march of revealed symmetries, collapsed privileged frames of reference, and other such (in the deepest sense) simplifications in our model of reality that has improved its fidelity to the measurable.

I hang qualifier about these developments being simplifying because the result isn't simple in the details: quantum chromodynamics is a daunting subject! But it's not just an enumeration of details and contradictions, the particle zoo that preceded the Eightfold Way looked like line noise, now in indexed notation the Lagrangian of the entire Standard Model fits on a page (or so I've been told I've never actually seen the page).

It's almost tautological that the frontier where it's still messy involves an unrevealed symmetry or a persistent privileged frame of reference, that's what frontier means, we don't see past it to the seam where it folds up.

Personally I suspect AI systems will be a great deal more inclined to discard the parochial axioms that have every point placed human ego above simplicity.

It doesn't resolve all of the open problems in physics if you amputate consciousness, free will, agency persistent identity, and an unambiguous arrow of time.

But it starts looking possible to make progress.

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