Jim Fan on Engineering

Do you know that DeepMind has actually open-sourced the heart of AlphaGo & AlphaZero? It’s hidden in an unassuming repo called “mctx”: t.co It provides JAX-native Monte Carlo Tree Search (MCTS) that runs on batches of inputs, in parallel, and blazing fast. 🧵

MuZero: https://www.deepmind.com/blog/muzero-mastering-go-chess-shogi-and-atari-without-rules

2.2K likes16 repliesPosted Feb 14, 2023

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Viral score

Based on absolute engagement — the platform doesn’t expose follower counts here, so large accounts score higher.

From likes, comments.

Why it worked

Opens with a question, so the reader starts answering before they have decided to read.
Contradicts something the audience already believes, which stops the scroll.
Follows a clear Hook → Context → Landing shape, so the reader always knows where they are.
Ends on a short line that is easy to quote and repeat.
Short enough to read in full without expanding, which removes a step before the point lands.
Short sentences keep the pace up, so the reader never has to re-read a line.

The mechanics

Hook: Opens with a question
Structure: Hook → Context → Landing
Style: Conversational paragraphs at a steady pace.
Tone: punchy
Mechanisms: Pattern interrupt
Written for: Engineers and technical teams

Analysis by ViralLoop — not written by the original author.

Topics

Engineering

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