Meet Flash-KMeans: An IO-Aware, Exact K-Means That Runs Over 200× Faster Than FAISS on GPUs

Summary

<p>Flash-KMeans is an open-source, IO-aware implementation of standard Lloyd's k-means in Triton GPU kernels. It does not change the math or approximate. FlashAssign removes distance-matrix materialization; Sort-Inverse Update eliminates atomic contention. On an NVIDIA H200, it reports 17.9× end-to-end, 33× over cuML, and over 200× over FAISS.</p> <p>The post <a href="https://www.marktechpost.com/2026/06/15/meet-flash-kmeans-an-io-aware-exact-k-means-that-runs-over-200x-faster-than-faiss-on-gpus/">Meet Flash-KMeans: An IO-Aware, Exact K-Means That Runs Over 200× Faster Than FAISS on GPUs</a> appeared first on <a href="https://www.marktechpost.com">MarkTechPost</a>.</p>