Talks to Watch

Mojo Lang - Tomorrow's High Performance Python? (with Chris Lattner)

64K views · May 1, 2024 · 1:24:39 · 1 HN recommender · 3 mentions · discussed 2024–2025

Developer Voices interviews Chris Lattner about Mojo, a Python-compatible language aimed at CPU/GPU performance built on LLVM and MLIR. It covers performance features, the type system and why Mojo uses Python syntax.

Why Hacker News points people here: Pointed to as a general-purpose interview on Mojo's goals and design from its creator.

“Here's an interview with Chris Lattner discussing Mojo in much more generalized terms”HN comment, 2024

What Hacker News said 3

RecommendsGeekyBearJun 2024

“Here's an interview with Chris Lattner discussing Mojo in much more generalized terms”

General interview with Chris Lattner about Mojo

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Some more generalized information to get started with: MLIR was spearheaded by the same person who created LLVM, to add additional features that Google needed to build compilers for its in-house hardware AI accelerators. Mojo is a new language that takes advantage of the new features enabled by MLIR, in the same way that Swift took advantage of the features previously enabled by LLVM. Here's an interview with Chris Lattner discussing Mojo in much more generalized terms: this video

in “Deep Dive into Ownership in Mojo” · view on HN
Cites itadeptimaMay 2024

Interview with Chris Lattner on Mojo

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Andrej Karpathy karpathy is a magician! But being the coolest kid on the block with pure C/CUDA implementation is not enough link Studying a baby Llama 2 model source code in pure Mojo is the next level link link Mojo Lang - Tomorrow's High Performance Python? (with Chris Lattner) this video Andrej Karpathy and Chris Lattner collab is on my wishlist ;)

Cites itFrustratedMonkySep 2025

“Creator Chris Lattner discussing why they used Python.”

Lattner explains why Mojo uses Python, from minute 12

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From Docs, link "This is 100% compatible because we use the CPython runtime without modification for full compatibility with existing Python libraries." At this point you need to either explain your objection, or just admit you are a troll. You haven't actually at any point in this exchange offered any actual argument beyond 'duh, you're wrong'. I'd be ok if you actually pointed to something like 'well technically, the mojo parts are compiled differently', or something. You say you worked there, but you're not even looking at their website. Creator Chris Lattner discussing why they used Python. this video Start at minute 12. "Mojo is a very extended version of Python".

in “Alibaba's new AI chip: Key specifications comparable to H20” · view on HN