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As a seasoned manager, I have an idea how long a feature should take, both in implementing effort and longness of code. I hace to know it, is my everyday work.
LIKE THE WHOLE WORLD DOES.
But hey, maybe it's just the extremely high profile projects I've worked on.
But I can write a 100k LOC compiler where 90k lines are for making error messages look pixel perfect on 10 different operating systems. Or where 90k lines are useless layers upon layers of indirection. That doesn’t mean that someone is willing to pay more for it.
AI frequently does exactly that kind of thing.
So saying my AI made a 100k LOC program that does X, and then comparing the cost to a 100k LOC program written by a human is a nonsense comparison. The only thing that matters is to compare it to how much a company would pay a human to produce a program capable of the same output.
In this case the program is commercially useless. Literally of zero monetary value, so no company would pay any money for it. Therefore there’s nothing to compare it to.
That’s not to say it’s not an interesting and useful experiment. Or that things can’t be different in the future.
For a human, writing 100k LOC to do something that might only really need 15k would be a bit surprising and unexpected - a human would probably reconsider what they were doing well before they typed 100k LOC. Where-as, an AI doesn't necessarily have that concern - it can just keep generating code and doesn't care how long it will take so it doesn't have the same practical pressure to produce concise code.
The result is that while for large enough human-written programs there's probably an average "density" they reach in relation of LOC vs. complexity of the original problem, AI-generated programs probably average out at an entirely different "density" number.
"I'm curious - do you have ANY idea what it costs to have humans write 100,000 lines of code???"
which any reasonable reading would take to mean "paid-by-line", which we all know doesn't happen. Otherwise, I could type out 30,000 lines of gibberish and take my fat paycheck.