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About Tokenization Just Got 1,000x Faster! (Gigatoken)
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Are your Large Language Models (LLMs) bottlenecked by slow data preprocessing? Discover how a Stanford PhD student built "Gigatoken"—an open-source tokenizer that processes up to 24 GB of text per second, running hundreds of times faster than OpenAI's `tiktoken` and the HuggingFace `tokenizers` library. In this video, Cloud Codes breaks down the system design of Gigatoken. We explore how Byte-Pair Encoding (BPE) actually works under the hood, and the fatal flaw of traditional tokenizers: using slow Regular Expressions (Regex) to split words. We dive deep into how Gigatoken achieves its insane speed by deleting Regex in favor of SIMD (Single Instruction, Multiple Data) processing on the CPU, and how it uses intelligent caching to skip repetitive work. Finally, we look at the real-world benchmarks on AMD servers and Apple M4 MacBooks, how this drastically cuts the cost of pretraining AI models from scratch, and give you a tutorial on how to use Gigatoken as a drop-in replacement for your existing Python code. 🔗 Check out Gigatoken on GitHub: https://github.com/marcelroed/gigatoken ⏱️ TIMESTAMPS: 0:00 - The 100x AI Speed Upgrade 1:06 - The 24 GB/s Benchmark vs Tiktoken 2:03 - The Massive Performance Gap Explained 3:53 - Tokenizing the Entire Internet in 6 Hours 4:25 - How Byte-Pair Encoding (BPE) Works 5:15 - The Problem: Why Regular Expressions (Regex) are Slow 5:33 - The Fix: SIMD CPU Instructions & Caching 7:23 - The Catch: SentencePiece & Windows WSL 8:46 - Who Built It? (Stanford CS336) 9:28 - Why Tokenization Speed Actually Matters 9:59 - Summary: The Death of the Preprocessing Tax #gigatoken #openai #artificialintelligence #machinelearning #systemdesign #softwareengineering #cloudcodes #python #rust #llm #huggingface 🔔 Subscribe: https://www.youtube.com/channel/UC0DZj1PNa_Fp0MU6uPSKv5w?sub_confirmation=1 💙 Become a Member: https://www.youtube.com/channel/UC0DZj1PNa_Fp0MU6uPSKv5w/join 🐦 Twitter/X: https://x.com/cloud_codes 💬 Discord: https://discord.gg/4kJqEBMMf User Queries: gigatoken vs tiktoken performance benchmark what is byte pair encoding bpe tokenizer how to speed up llm training preprocessing huggingface tokenizers library alternative simd instructions python optimization how to use gigatoken python tutorial stanford cs336 language modeling from scratch openai tiktoken rust performance system design large language model training how to tokenize large text datasets fast
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