HotChips Take: HBF Limited to Sparse Attention, Efficiency > Cost
BenBajarin · x · 2026-08-24
Analysis from HotChips 2026 suggests HBF is overhyped. While offering high capacity and low cost, its use is limited to areas like Sparse Attention (DeepSeek/ZAI style) or Expert parallelism. The metric of tokens per second per watt is argued to be more critical than cost per GB.
Related event: HBF High-Bandwidth Flash Faces Doubts Over Limited Use Cases(2 posts)→
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