Stories by matt_d

Understanding Agents: Code Coverage for Coding Agents

Cyclotron: The Streaming Multiprocessor Abstraction Is Broken [pdf]

UCCL-EP: Portable Expert-Parallel Communication – Full Results

vLLM IR: A Functional Intermediate Representation for vLLM

Test-Time Scaling Makes Overtraining Compute-Optimal

Analyzing Reverse Address Translation Overheads in Multi-GPU Scale-Up Pods

Tracing a Full MoE Training Step Through the XLA Compiler

Breaking Down the Cerebras Wafer Scale Engine

The need for better compiler frontend benchmarks: Carbon's benchmarking approach

DAXFS: A Lock-Free Shared Filesystem for CXL Disaggregated Memory

AST Edits: The Code Editing Format Nobody Uses

KernelEvolve: Meta's Ranking Engineer Agent Optimizes AI Infrastructure

Software Engineering Is Becoming Civil Engineering

Adaptive Block-Scaled Data Types

AC4A: Access Control for Agents

Rethinking Language Model Scaling Under Transferable Hypersphere Optimization

Distributed builds of LLVM with CMake, recc, and NativeLink

A Pattern Generation Language for MLIR Compiler Matching and Rewriting

Gram Newton-Schulz: A Fast, Hardware-Aware Newton-Schulz Algorithm for Muon

Compiler as a Service: C++ Goes Live – Interactive C++, interop, and beyond [video]

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