The Ledger

Every statement that passed quotation and attribution checks. Mix any filter with any other: certainty 1/5, debate potential 5/5, or both at once.

clear all ✕

why aren't all 7 resolved? a statement only gets an assessment when the public record can support or contradict it. opinions and what-ifs never can, and 0 checkable ones are still open, waiting for their date. predictions held up or didn't; assertions are supported or contradicted. on every card: ▮▮▮▮▮ certainty · ▮▮▮▮▮ debate potential. speakers are clickable

Assertion Not publicly verifiable
Modular's Mojo FlashAttention beats Tri Dao's reference implementation
“We're beating the tree DAO reference implementation that everybody uses, for example, right? Written fully in Mojo. Again, all of our, GPU kernels are written in Mojo. You can go see the history of the team building this, and it was done in just a few weeks, r…”
Chris Lattner Jun 13, 2025 ▶ 30:59 The Shape of Compute (Chris Lattner of Modular)
Assertion Not checkable as stated
Lattner says Mojo is 10,000x faster than Python and beats Rust
“Mojo is not just a little faster than Python, it's faster than Rust. So it's like tens of thousands of times faster than Python, and it's in the Python family.”
Chris Lattner Jun 13, 2025 ▶ 15:29 The Shape of Compute (Chris Lattner of Modular)
Prediction Not checkable as stated
Howard: Mojo-like languages will unlock thousands of FlashAttention-scale breakthroughs
“There is a thousand flash attentions out there for us to build. You just got to make it easy for us to build them. So like Triton definitely helps. But it's still, Not easy. You know, it still requires kind of really understanding the VPU architecture, writing…”
Jeremy Howard Oct 20, 2023 ▶ 1:16:28 The End of Finetuning — with Jeremy Howard of Fast.ai
Opinion
Chintala: Deep PyTorch-Mojo integration lacks synergy because Mojo replaces PyTorch frontend
“Mojo as a fundamental frontend would be replacing PyTorch, not, like, augmenting PyTorch. So, in that sense, I don't see a synergy in more deeply, like, integrating Mojo.”
Soumith Chintala Mar 6, 2024 ▶ 15:57 Open Source AI is AI we can Trust — with Soumith Chintala of Meta AI
Assertion Partly supported
First-time Mojo developers built a GPU training system in one day
“The winning team for the hackathon took that four person team. And one day they had not used Mojo before they hadn't programmed GPUs before. And they had built a training system. They wrote an atom optimizer, a bunch of training kernels. They built a simple ba…”
Chris Lattner Jun 13, 2025 ▶ 6:06 The Shape of Compute (Chris Lattner of Modular)
Disclosure
Modular's Mojo and MAX are free on NVIDIA and CPUs
“The max framework and the mojo language, free to use on NVIDIA and CPUs, any scale, go nuts, do whatever you want.”
Chris Lattner Jun 13, 2025 ▶ 41:47 The Shape of Compute (Chris Lattner of Modular)
Assertion Partly supported
Modular has open-sourced 650,000 lines of Mojo code
“Modular is Mojo's first customer. Like we have more Mojo code in our repository than any other language. And it's open source. Like, and we open source like 650,000 lines of Mojo code.”
Chris Lattner Jun 13, 2025 ▶ 47:44 The Shape of Compute (Chris Lattner of Modular)
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