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this post was submitted on 23 Nov 2024
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I wonder how many GPUs my brain is
It's a lot. Like a lot a lot. GPUs have about 150 billion transistors but those transistors only make 1 connection in what is essentially printed in a 2d space on silicon.
Each neuron makes dozens of connections, and there's on the order of almost 100 billion neurons in a blobby lump of fat and neurons that takes up 3d space. And then combine the fact that multiple neurons in patterns firing is how everything actually functions and you have such absurdly high number of potential for how powerful human brains are.
At this point, I'm not sure there's enough gpus in the world to mimic what a human brain can do.
That's also just the electrical portion of our mind. There are whole levels of chemical, and chemical potentials at work. Neurones will fire differently depending on the chemical soup around them. Most of our moods are chemically based. E.g. adrenaline and testosterone making us more aggressive.
Our mind also extends out of our heads. Organ transplant recipricants have noted personality changes. Food preferences being the most prevailant.
The neurons only deal with 'fast' thinking. 'slow' thinking is far more complex and distributed.
42
Sounds generous.
You said GPUs, not CPUs and threading capabilities
The Answer to the Ultimate Question of Life, The Universe, and Everything
I don't think your brain can be reasonably compared with an LLM, just like it can't be compared with a calculator.
LLMs are based on neural networks which are a massively simplified model of how our brain works. So you kind of can as long as you keep in mind they are orders of magnitude more simple.