hbm3

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...

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...