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anton (𝔴𝔞𝔯𝔱𝔦𝔪𝔢) Profile picture
@atroyn
Jul 13, 2019 • 3 tweets • 1 min read • Read on X
digging through various piles of the papers i have pack-ratted around since 2015 to make sure i didn't miss anything important for the Zotero
generally time learning to use tools has not been as valuable as time spent just building the tool i want but this does what i want out of the box
interesting to see the longer trends

everyone was using cost volumes then it turns out we didn't need them, then everyone was using either depth, inverse depth, or disparity, in the same pipeline, depending on what was coming out of their sensor

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More from @atroyn

anton (𝔴𝔞𝔯𝔱𝔦𝔪𝔢) Profile picture
Apr 25
before any of this gets fixed it's necessary to understand why men in tech dress like shit. hacker culture and the web allowed people to rebel against the stifling business culture of the 90's. in software, especially foss, people were judged by their work, not their appearance.
the first wave of truly successful new-breed software companies were founded and succeeded by the hacker ethos. in contrast to 90's / 2000's microsoft, nobody gave a shit what you wore to work at early google as long as you did the job. the best flocked to these co's.
but then the hackers got rich and famous. as in every society since the dawn of time, people wanted to emulate the elites, and the elites dressed like shit. new founders wanted to 'look like' founders and 'fit in', so they too, dressed like shit.
Image
Image
Read 7 tweets
anton (𝔴𝔞𝔯𝔱𝔦𝔪𝔢) Profile picture
Dec 25, 2023
merry christmas

the only things in the new testament about jesus’ life after age 12, before starting his ministry at age 30, are the verses mark 6:3 and matthew 13:55

in most english translations, they say jesus was (the son of) a carpenter, but this isn’t quite right
in the original greek, the word is τέκτων, tekton, a general term for artisans, craftsmen, and builders - indeed, this word has the same root as τεχνολογία - technologia, the study and discourse of craft

jesus spent his early adult life as a builder, making useful things
because there are no stories in the new testament about jesus’s life during this time, one might think it’s unimportant. this would be missing the point.
Read 4 tweets
anton (𝔴𝔞𝔯𝔱𝔦𝔪𝔢) Profile picture
Nov 22, 2023
good morning from san francisco.

now that the dust has settled on the first round of the openai debacle, it’s time to start asking some questions

two of the board members who voted altman out, helen toner and tasha mccauley are deeply enmeshed in ‘effective altruism’
‘effective altruism’ as a movement has a lot wrong with its ideas, some of which i’ve documented before, but this isn’t about that - it’s about basic competence
the people who tell you over and over that they’re most concerned with the “long term future of humanity” have demonstrated over and over again that they don’t understand even the short term consequences of their actions
Read 12 tweets
anton (𝔴𝔞𝔯𝔱𝔦𝔪𝔢) Profile picture
Nov 18, 2023
regardless of how exactly this shakes out - and it’s looking increasingly likely that this was a poorly executed power grab by mental defectives - it’s important to remember that ‘effective altruists’ have been consistently wrong about literally everything
they completely failed to predict the dominant paradigm for ai (llms), instead building castles out of sand on the idea of recursively self-improving agents and ideas like “instrumental convergence” and “orthogonality”, none of which apply because an llm has no agency
they have predicted catastrophe with every single model release, bringing down the perfectly harmless ‘galactica’ from meta - months later, the much more capable llama2 is out, with zero harm produced
Read 8 tweets
anton (𝔴𝔞𝔯𝔱𝔦𝔪𝔢) Profile picture
Oct 10, 2023
i spent the weekend working to try to get more data about the question of whether or not gpt has world models

my results seem to suggest it doesn't, but i found some interesting things along the way. writeup below.
the entire question really kicked off for me when people were using gpt's performance on chess under certain conditions as strong evidence for the idea that it has world models

at the same time, it couldn't play well from random positions

the claim that gpt played chess well because it has a world model of chess is a very very strong claim, which entails that gpt knows the rules of chess, can consistently apply them, and knows good strategy
Read 22 tweets
anton (𝔴𝔞𝔯𝔱𝔦𝔪𝔢) Profile picture
Aug 16, 2023
making retrieval practical for ai applications takes a lot more than repackaging a vector database built for semantic search, or adding vector search to an existing database.
in the first place, the core vector search and storage architecture for ai is fundamentally different from that made for semantic search

in semantic search / recommender systems, all the data in a single very large index is accessible to every user
additionally, the data is updated only rarely - most mutations are additions, with relatively few and infrequent updates and deletions
Read 12 tweets

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