Scaling the Memory Wall: The Rise and Roadmap of HBM

The first portion of this report will explain HBM, the manufacturing process, dynamics between vendors, KVCache offload, disaggregated prefill decode, and wide / high-rank EP. The rest of the report will dive deeply into the future of HBM. We will cover the revolutionary change coming to HBM4 with custom base dies for HBM, what various different accelerators are doing with custom HBM including OpenAI, Nvidia, and AMD, the shoreline area problem, memory controller offload, repeater PHYs, LPDDR + ...