minGPT
nn-zero-to-hero
minGPT | nn-zero-to-hero | |
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35 | 10 | |
19,037 | 10,534 | |
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0.0 | 2.4 | |
25 days ago | 16 days ago | |
Python | Jupyter Notebook | |
MIT License | MIT License |
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minGPT
- FLaNK AI Weekly for 29 April 2024
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Ask HN: Daily practices for building AI/ML skills?
minGPT (Karpathy): https://github.com/karpathy/minGPT
Next, some foundational textbooks for general ML and deep learning:
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[D] What are some examples of being clever with batching for training efficiency?
Language Model novice here. I was going through the README section of minGPT and read this line.
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LLM Visualization: 3D interactive model of a GPT-style LLM network running inference.
The first network displayed with working weights is a tiny such network, which sorts a small list of the letters A, B, and C. This is the demo example model from Andrej Karpathy's minGPT implementation.
- LLM Visualization
- Learn Machine Learning
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Facebook Prophet: library for generating forecasts from any time series data
Tried it once. Its promise is to take the dataset's seasonal trend into account, which makes sense for Facebook's original use case.
We ran it on such a dataset and found out that directly using https://github.com/karpathy/minGPT consistently gives a better result. So we ended up using the output of Prophet as an input feature to a neural network, but the result was not improved in any significant way.
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Tokenization of numerical series
Sure, im trying to regenerate a bunch of complex numbers based on their absolute value. So im trying to embed these absolute values and then using gpt model(probably mini gpt) try to recover the original comples numbers. There is a certain connection between these complex numbers and their order which im not capable of explaining yet. Im hoping the model would be capable of recognizing certain sequences of these absolute values and match them with the desired complex counterparts (by training the model).
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Anyone know of any articles on training a LLM from scratch on a single GPU?
minGPT (https://github.com/karpathy/minGPT)
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Understanding LLMs(to the best of our knowledge)
Check out minGPT and nanoGPT from Karpathy, he puts out some of the best machine learning tutorials and teaching content.
nn-zero-to-hero
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Understanding GPT Tokenizers
Andrej covers this in https://github.com/karpathy/nn-zero-to-hero. He explains things in multiple ways, both the matrix multiplications as well as the "programmer's" way of thinking of it - i.e. the lookups. The downside is it takes a while to get through those lectures. I would say for each 1 hour you need another 10 to looks stuff up and practice, unless you are fresh out of calculus and linear algebra classes.
- New to AI and ChatGPT - Where do I start?
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Let's Create Our Own ChatGPT From Scratch! — An online discussion group starting Tuesday May 16, monthly meetings
All the needed course material is here: https://github.com/karpathy/nn-zero-to-hero
- Any good content for software engineers looking to delve deeper into LLMs/AI/NLP etc?
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GPT in 60 Lines of NumPy
That concept is not the easiest to describe succinctly inside a file like this, I think (especially as there are various levels of 'beginner' to take into account here). This is considered a very entry level concept, and I think there might be others who would consider it to be noise if logged in the code or described in the comments/blogpost.
After all, there was a disclaimer that you might have missed up front in the blogpost! "This post assumes familiarity with Python, NumPy, and some basic experience training neural networks." So it is in there! But in all of the firehose of info we get maybe it is not that hard to miss.
However, I'm here to help! Thankfully the concept is not too terribly difficult, I believe.
Effectively, the loss function compresses the task we've described with our labels from our training dataset into our neural network. This includes (ideally, at least), 'all' the information the neural network needs to perform that task well, according to the data we have, at least. If you'd like to know more about the specifics of this, I'd refer you to the original Shannon-Weaver paper on information theory -- Weaver's introduction to the topic is in plain English and accessible to (I believe) nearly anyone off of the street with enough time and energy to think through and parse some of the concepts. Very good stuff! An initial read-through should take no more than half an hour to an hour or so, and should change the way you think about the world if you've not been introduced to the topic before. You can read a scan of the book at a university hosted link here: https://raley.english.ucsb.edu/wp-content/Engl800/Shannon-We...
Using some of the concepts of Shannon's theory, we can see that anything that minimizes an information-theoretic loss function should indeed learn as well those prerequisites to the task at hand (features that identify xyz, features that move information about xyz from place A to B in the neural network, etc). In this case, even though it appears we do not have labels -- we certainly do! We are training on predicting the _next words_ in a sequence, and so thus by consequence humans have already created a very, _very_ richly labeled dataset for free! In this way, getting the data is much easier and the bar to entry for high performance for a neural network is very low -- especially if we want to pivot and 'fine-tune' to other tasks. This is because...to learn the task of predicting the next word, we have to learn tons of other sub-tasks inside of the neural network which overlap with the tasks that we want to perform. And because of the nature of spoken/written language -- to truly perform incredibly well, sometimes we have to learn all of these alternative tasks well enough that little-to-no-finetuning on human-labeled data for this 'secondary' task (for example, question answering) is required! Very cool stuff.
This is a very rough introduction, I have not condensed it as much as it could be and certainly, some of the words are more than they should be. But it's an internet comment so this is probably the most I should put into it for now. I hope this helps set you forward a bit on your journey of neural network explanation! :D :D <3 <3 :)))))))))) :fireworks:
For reference, I'm interested very much in what I refer to as Kolmogorov-minimal explanations (Wikipedia 'Kolmogorov complexity' once you chew through some of that paper if you're interested! I am still very much a student of it, but it is a fun explanation). In fact (though this repo performs several functions), I made https://github.com/tysam-code/hlb-CIFAR10 as beginner-friendly as possible. One does have to make some decisions to keep verbosity down, and I assume a very basic understand of what's happening in neural networks here too.
I have yet to find a good go-to explanation of neural networks as a conceptual intro (I started with Hinton -- love the man but extremely mathematically technical for foundation! D:). Karpathy might have a really good one, I think I saw a zero-to-hero course from him a little while back that seemed really good.
Andrej (practically) got me into deep learning via some of his earlier work, and I really love basically everything that I've seen the man put out. I skimmed the first video of his from this series and it seems pretty darn good, I trust his content. You should take a look! (Github and first video: https://github.com/karpathy/nn-zero-to-hero, https://youtu.be/VMj-3S1tku0)
For reference, he is the person that's made a lot of cool things recently, including his own minimal GPT (https://github.com/karpathy/minGPT), and the much smaller version of it (https://github.com/karpathy/nanoGPT). But of course, since we are in this blog post I would refer you to this 60 line numpy GPT first (A. to keep us on track, B. because I skimmed it and it seemed very helpful! I'd recommend taking a look at outside sources if you're feeling particularly voracious in expanding your knowledge here.)
I hope this helps give you a solid introduction to the basics of this concept, and/or for anyone else reading this, feel free to let me know if you have any technically (or-otherwise) appropriate questions here, many thanks and much love! <3 <3 <3 <3 :DDDDDDDD :)))))))) :)))) :))))
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Trending ML repos of the week 📈
6️⃣ karpathy/nn-zero-to-hero
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What can I do to start learning machine learning?
I’m a software engineer with zero experience with ml but have an interest in learning. I am confortable programming in any dynamic object oriented language. My basic plan to get started is to spend some time with the mathematical foundations of ml (Udemy course Mathematical foundations of Machine learning on Udemy looks decent). It also covers these concepts in the context of popular ml frameworks such as tensorflow and PyTorch so that’s kind of a two for one. I also stumbled upon this course: https://github.com/karpathy/nn-zero-to-hero.
- Neural Networks: Zero to Hero
- Mesterséges intelligencia
What are some alternatives?
nanoGPT - The simplest, fastest repository for training/finetuning medium-sized GPTs.
gpt-2 - Code for the paper "Language Models are Unsupervised Multitask Learners"
llama.go - llama.go is like llama.cpp in pure Golang!
simpletransformers - Transformers for Information Retrieval, Text Classification, NER, QA, Language Modelling, Language Generation, T5, Multi-Modal, and Conversational AI
awesome-chatgpt-prompts - This repo includes ChatGPT prompt curation to use ChatGPT better.
Pytorch-Simple-Transformer - A simple transformer implementation without difficult syntax and extra bells and whistles.
ChatGPT - 🔮 ChatGPT Desktop Application (Mac, Windows and Linux)
huggingface_hub - The official Python client for the Huggingface Hub.
tuning_playbook - A playbook for systematically maximizing the performance of deep learning models.
tesla-model-y-checklist - Checklist for Tesla Model Y
tokenizer - Pure Go implementation of OpenAI's tiktoken tokenizer