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TurboQuant: Redefining AI efficiency with extreme compression

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Re: TurboQuant: Redefining AI efficiency with extreme compression

#111

I did not understand what polarQuant is. Is is something like pattern based compression where the algorithm finds repeating patterns and creates an index of those common symbols or numbers?

That overview is frustratingly high-level. I know what a vector is, a bit, and yet that compression description is crazy uninformative. And that PolarQuant visualization is.. Very abstract.

Re: TurboQuant: Redefining AI efficiency with extreme compression

#112

Can someone ELI5 these two concepts please, which make no sense to me: > "TurboQuant starts by randomly rotating the data vectors. This clever step simplifies the data's geometry" I don't understand how taking a series of data and applying a random rotation could mathemetically lead every time to "simpler" geometry. If I throw a bunch of shapes on the ground, tightly packed and touching each other, then rotate all of…

Other people have answered here but the real answer is that deep neural networks don't learn isotropic distributions of activations.

What happens is that you get very spikey activations, there are so called "outlier" activations. A easy to read paper that tells you about this is SmoothQuant [0]. Another source from Anthropic and the Mechanistic Interperability people is calling these "privileged basis" [1].

Now based on the weight symmetries of a typical transformer, these actually don't need to exist. Weight symmetries means the ways you can change the weights without actually affecting the mathematical function, there are a broad class of these because the linear algebra has a lot of redundancies in it.

But the behaviour of the Adam optimizer is such that you do end up w/ these things because it sort of more quickly optimizes to produce them. This comes from the fact it is an elementwise dynamic learning rate (and probably partly to do with the epsilon).

[0] https://arxiv.org/pdf/2211.10438 [1] https://transformer-circuits.pub/2023/privileged-basis/index...

Re: TurboQuant: Redefining AI efficiency with extreme compression

#113

Earlier quoted context omitted.

There are tells all over the page: > Redefining AI efficiency with extreme compression "Redefine" is a favorite word of AI. Honestly no need to read further. > the key-value cache, a high-speed "digital cheat sheet" that stores frequently used information under simple labels No competent engineer would describe a cache as a "cheat sheet". Cheat sheets are static, but caches dynamically update during execution. Studen…

I say you're fixating on the wrong signal here. "Redefine" and "cheat sheet" are normal words people frequently use, and I see worse metaphors in human-written text routinely. It's the structure and rhythm at the sentence and paragraph levels that's the current tell, as SOTA LLMs all seem to overuse clarification constructs like "it's not X, it's Y" and "it's X, an Y and a Z", and "it's X, it's essentially doing Y".…

LLM prose is very bland and smooth, in the same way that bland white factory bread is bland and smooth. It also typically uses a lot of words to convey very simple ideas, simply because the data is typically based on a small prompt that it tries to decompress. LLMs are capable of very good data transformation and good writing, but not when they are asked to write an article based on a single sentence.

Re: TurboQuant: Redefining AI efficiency with extreme compression

#114
post #4

I did not understand what polarQuant is. Is is something like pattern based compression where the algorithm finds repeating patterns and creates an index of those common symbols or numbers?

https://mesuvash.github.io/blog/2026/turboquant-interactive/ has a little visualisation

Awesome! So it nudges the vectors into stepped polar rays.. It's effectively angle snapping? Plus a sort of magnitude clustering.

Re: TurboQuant: Redefining AI efficiency with extreme compression

#115
post #76

I am guessing as Google is vertically integrated and "actually pays" for AI infra (compared to OpenAI & Anthropic that receives hardware as partnerships) they have a more urgent incentive to reduce model sizes. Also, Google and Apple will be the first to gain from running model on-device

This seems to be an inference-time optimization and they are putting AI on every search result page. That seems like plenty of incentive to optimize.

Re: TurboQuant: Redefining AI efficiency with extreme compression

#117

Can someone ELI5 these two concepts please, which make no sense to me: > "TurboQuant starts by randomly rotating the data vectors. This clever step simplifies the data's geometry" I don't understand how taking a series of data and applying a random rotation could mathemetically lead every time to "simpler" geometry. If I throw a bunch of shapes on the ground, tightly packed and touching each other, then rotate all of…

Other people have answered here but the real answer is that deep neural networks don't learn isotropic distributions of activations. What happens is that you get very spikey activations, there are so called "outlier" activations. A easy to read paper that tells you about this is SmoothQuant [0]. Another source from Anthropic and the Mechanistic Interperability people is calling these "privileged basis" [1]. Now based…

Do you know if this also applies to the muon optimizer? It seems to be replacing adamw

Re: TurboQuant: Redefining AI efficiency with extreme compression

#119

Earlier quoted context omitted.

I say you're fixating on the wrong signal here. "Redefine" and "cheat sheet" are normal words people frequently use, and I see worse metaphors in human-written text routinely. It's the structure and rhythm at the sentence and paragraph levels that's the current tell, as SOTA LLMs all seem to overuse clarification constructs like "it's not X, it's Y" and "it's X, an Y and a Z", and "it's X, it's essentially doing Y".…

LLM prose is very bland and smooth, in the same way that bland white factory bread is bland and smooth. It also typically uses a lot of words to convey very simple ideas, simply because the data is typically based on a small prompt that it tries to decompress. LLMs are capable of very good data transformation and good writing, but not when they are asked to write an article based on a single sentence.

That's true. I.e. it's not that they're not capable of doing better, it's just whoever's prompting them is typically too lazy to add an extra sentence or three (or a link) to steer it to a different region of the latent space. There's easily a couple dozen dimensions almost always left at their default values; it doesn't take much to alter them and nudge the model to sample from a more interesting subspace style-wise.

(Still, it makes sense to do it as a post-processing style transfer space, as verbosity is a feature while the model is still processing the "main" request - each token produced is a unit of computation; the more terse the answer, the dumber it gets (these days it's somewhat mitigated by "thinking" and agentic loops)).

Re: TurboQuant: Redefining AI efficiency with extreme compression

#120

This is a great development for KV cache compression. I did notice a missing citation in the related works regarding the core mathematical mechanism, though. The foundational technique of applying a geometric rotation prior to extreme quantization, specifically for managing the high-dimensional geometry and enabling proper bias correction, was introduced in our NeurIPS 2021 paper, "DRIVE" ( https://proceedings.neurip…

If they didn't cite your paper that's bullshit. But if they read your paper enough that they invited you to a talk, that probably means they were far enough along to independently inventing it they were going to do so anyway, and wanted to chat with someone who was also doing the thing they were already doing. Good ideas tend to reveal themselves to anyone who is aware of the problem.

That's rationalizing like crazy. If they knew about it they should have cited it.
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