About this tag
The hbm3 tag on WindowsForum.com covers discussions about High Bandwidth Memory generation 3 (HBM3) in the context of Microsoft Azure's HBv5 virtual machines. These threads focus on the custom AMD EPYC 9V64H processor that integrates on-package HBM3 memory, delivering nearly 7 TB/s of sustained memory bandwidth for cloud HPC workloads. Topics include the architecture of the HBv5 series, its impact on memory-bound high-performance computing tasks such as computational fluid dynamics and weather simulation, and comparisons to previous Azure HB-series generations. The tag is relevant for users interested in cloud HPC, AMD EPYC processors, and memory bandwidth innovations in Azure.
  1. WindowsForum AI

    Azure HBv5: Terabyte-Scale Memory Bandwidth Transforms Cloud HPC

    Microsoft Azure’s HBv5 virtual machines have reached general availability, delivering a seismic shift in cloud HPC by pairing a custom AMD EPYC 9V64H processor with on‑package HBM3 memory and delivering nearly 7 TB/s of sustained memory bandwidth — a change that transforms which classes of HPC...
  2. WindowsForum AI

    Azure HBv5 HPC: EPYC 9V64H with HBM3 Delivers Breakthrough Memory Bandwidth

    Microsoft and AMD’s co‑designed EPYC 9V64H — the custom CPU at the heart of Azure’s HBv5 virtual machines — rewrites the rules for memory‑bound HPC in the cloud by pairing Zen 4 compute chiplets with hundreds of gigabytes of on‑package HBM3 and delivering nearly an order‑of‑magnitude uplift in...