Flash-MSA: Accelerating Million-Token Training with Sparse Attention Kernels

AI & Machine Learning(nanduruganesh.github.io)view on HackerNews

sparse attentionMinimax Sparse AttentionFlash-MSAPyTorchCUDAGPU acceleration

Author: rawsh

Date: 7/12/2026

Article Summary:

The author presents Flash-MSA, a performant open-source training kernel for Minimax Sparse Attention, and discusses its design, implementation, and performance benefits.