this post was submitted on 18 May 2025
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Big brain tech dude got yet another clueless take over at HackerNews etc? Here's the place to vent. Orange site, VC foolishness, all welcome.

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The post Xitter web has spawned soo many “esoteric” right wing freaks, but there’s no appropriate sneer-space for them. I’m talking redscare-ish, reality challenged “culture critics” who write about everything but understand nothing. I’m talking about reply-guys who make the same 6 tweets about the same 3 subjects. They’re inescapable at this point, yet I don’t see them mocked (as much as they should be)

Like, there was one dude a while back who insisted that women couldn’t be surgeons because they didn’t believe in the moon or in stars? I think each and every one of these guys is uniquely fucked up and if I can’t escape them, I would love to sneer at them.

(Credit and/or blame to David Gerard for starting this.)

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[–] lagrangeinterpolator@awful.systems 8 points 8 hours ago (3 children)

I know r/singularity is like shooting fish in a barrel but it really pissed me off seeing them misinterpret the significance of a result in matrix multiplication: https://old.reddit.com/r/singularity/comments/1knem3r/i_dont_think_people_realize_just_how_insane_the/

Yeah, the record has stood for "FIFTY-SIX YEARS" if you don't count all the times the record has been beaten since then. Indeed, "countless brilliant mathematicians and computer scientists have worked on this problem for over half a century without success" if you don't count all the successes that have happened since then. The really annoying part about all this is that the original announcement didn't have to lie: if you look at just 4x4 matrices, you could say there technically hasn't been an improvement since Strassen's algorithm. Wow! It's really funny how these promptfans ignore all the enormous number of human achievements in an area when they decide to comment about how AI is totally gonna beat humans there.

How much does this actually improve upon Strassen's algorithm? The matrix multiplication exponent given by Strassen's algorithm is log~4~(49) (i.e. log~2~(7)), and this result would improve it to log~4~(48). In other words, it improves from 2.81 to 2.79. Truly revolutionary, AGI is gonna make mathematicians obsolete now. Ignore the handy dandy Wikipedia chart which shows that this exponent was ... beaten in 1979.

I know far less about how matrix multiplication is done in practice, but from what I've seen, even Strassen's algorithm isn't useful in applications because memory locality and parallelism are far more important. This AlphaEvolve result would represent a far smaller improvement (and I hope you enjoy the pain of dealing with a 4x4 block matrix instead of 2x2). If anyone does have knowledge about how this works, I'd be interested to know.

[–] corbin@awful.systems 4 points 5 hours ago (1 children)

Your understanding is correct. It's worth knowing that the matrix-multiplication exponent actually controls multiple different algorithms. I stubbed a little list a while ago; important examples include several graph-theory algorithms as well as parsing for context-free languages. There's also a variant of P vs NP for this specific problem, because we can verify that a matrix is a product in quadratic time.

That Reddit discussion contains mostly idiots, though. We expect an iterative sequence of ever-more-complicated algorithms with ever-slightly-better exponents, approaching quadratic time in the infinite limit. We also expected a computer to be required to compute those iterates at some point; personally I think Strassen's approach only barely fits inside a brain and the larger approaches can't be managed by humans alone.

[–] aio@awful.systems 4 points 3 hours ago* (last edited 3 hours ago)

I'm not sure what you mean by your last sentence. All of the actual improvements to omega were invented by humans; computers have still not made a contribution to this.

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