Reletter
Artwork for The Software Frontier

Where abstraction ends. Essays on GPU execution, kernel internals, and distributed systems at scale.

Platform
Substack
PricingFreemiumPublishesTwice weekly
Issues116Founded2 years agoLast Issue3 days ago
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thesoftwarefrontier.com
Artwork for The Software Frontier

Latest Issues

How Mojo Actually Compiles

Introduction

Four days after Modular shipped Mojo 1.1, I did what I just always do with a brand new compiler. I installed it in a container with one CPU core and no GPU, wrote a kernel that doubles a vector, and asked for PTX for an H10...

3 days ago
3

How NVIDIA's Data Center Business Actually Works in 2026

A very short version

NVIDIA’s data center revenue more than doubled in a year, to $89.0 billion a quarter. The company now sells whole racks, supplies reference designs for the buildings around them, and increasingly backs the financin...

7 days ago
8

Unleashing OpenCL’s secrets

Eight releases in eighteen years. The shape of the chart is the argument: a fast build-out, an over-reach that nobody could implement in full, a reset that made almost everything optional, and a 2026 release that starts requiring things aga...

17 days ago
9

When Batching Stops Working

Why does batching stop working? We solve the compute–memory crossover and find four GPU generations become memory-bound at just 84–162 tokens of context.

Introduction

a month ago
4
Paid

Distilling in depth ROCm: How it Actually Works

AMD ships 2,905,048 tuned GEMM decisions in a public git repository. Zero of CDNA 4’s 75 matrix instructions exist on CDNA 5.

Introduction

a month ago
4
Paid

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Authors

The writers behind this newsletter.

  • Lorenzo Bradanini

    Self-taught software engineer skilled in data science, software engineering, ML, and cryptography, focused on developing innovative solutions to complex challenges.

  • Lorenzo Tettamanti

    BSc Physics student at the University of Milan. Interested in Machine Learning | Computational Physics | Artificial Intelligence | Physics Simulations

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