--- title: karpathy/llm.c: LLM training in simple, raw C/CUDA description: LLM training in simple, pure C/CUDA. The post provides instructions on downloading and tokenizing datasets, initializing the model with GPT-2 weights, and... canonical: https://daily.dev/posts/karpathy-llm-c-llm-training-in-simple-raw-c-cuda-ypzndlgvp twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: karpathy/llm.c: LLM training in simple, raw C/CUDA | daily.dev og:description: LLM training in simple, pure C/CUDA. The post provides instructions on downloading and tokenizing datasets, initializing the model with GPT-2 weights, and... og:url: https://daily.dev/posts/karpathy-llm-c-llm-training-in-simple-raw-c-cuda-ypzndlgvp og:image: https://api.daily.dev/og/posts/YPznDLGvP.png og:image:alt: karpathy/llm.c: LLM training in simple, raw C/CUDA og:image:width: 1200 og:image:height: 630 og:locale: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # karpathy/llm.c: LLM training in simple, raw C/CUDA **[Hacker News](https://daily.dev/sources/hn)** · 4 min read · 7 upvotes · 0 comments ## Summary LLM training in simple, pure C/CUDA. The post provides instructions on downloading and tokenizing datasets, initializing the model with GPT-2 weights, and decoding token ids back to text. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: --- Tags: [#c](https://daily.dev/tags/c), [#nlp](https://daily.dev/tags/nlp), [#cuda](https://daily.dev/tags/cuda) [View this post on daily.dev](https://daily.dev/posts/karpathy-llm-c-llm-training-in-simple-raw-c-cuda-ypzndlgvp) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@type":"TechArticle","headline":"karpathy/llm.c: LLM training in simple, raw C/CUDA","url":"https://daily.dev/posts/karpathy-llm-c-llm-training-in-simple-raw-c-cuda-ypzndlgvp","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/karpathy-llm-c-llm-training-in-simple-raw-c-cuda-ypzndlgvp"},"datePublished":"2024-04-08T20:54:37.252Z","dateModified":"2024-05-09T08:43:33.910Z","description":"LLM training in simple, pure C/CUDA. The post provides instructions on downloading and tokenizing datasets, initializing the model with GPT-2 weights, and...","image":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/da8b39529ab28b3d8afdcf56a298dfee?_a=AQAEufR","thumbnailUrl":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/da8b39529ab28b3d8afdcf56a298dfee?_a=AQAEufR","isAccessibleForFree":true,"articleSection":"Hacker News","inLanguage":"en","publisher":{"@type":"Organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180}},"author":{"@type":"Organization","name":"Hacker News","logo":"https://media.daily.dev/image/upload/t_logo,f_auto/v1/logos/hn","url":"https://daily.dev/sources/hn"},"commentCount":0,"discussionUrl":"https://daily.dev/posts/karpathy-llm-c-llm-training-in-simple-raw-c-cuda-ypzndlgvp","interactionStatistic":[{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":7},{"@type":"InteractionCounter","interactionType":{"@type":"CommentAction"},"userInteractionCount":0}],"keywords":"c,nlp,cuda","timeRequired":"PT4M"} {"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https://daily.dev"},{"@type":"ListItem","position":2,"name":"Hacker News","item":"https://daily.dev/sources/hn"},{"@type":"ListItem","position":3,"name":"karpathy/llm.c: LLM training in simple, raw C/CUDA"}]} ```