AMD MI400 Instinct architecture for AI training — CDNA 4, HBM4 stacks, UALink interconnect, ROCm stack maturity, and how MI400 stacks up against Nvidia Rubin.
Analysis of SiFive's $3.65B valuation, RISC-V's growing role in AI inference silicon, and why open-source chip architecture threatens ARM/x86 dominance. Technical deep-dive into RISC-V vector extensions for ML.