2min chapter

Latent Space: The AI Engineer Podcast — Practitioners talking LLMs, CodeGen, Agents, Multimodality, AI UX, GPU Infra and all things Software 3.0 cover image

FlashAttention 2: making Transformers 800% faster w/o approximation - with Tri Dao of Together AI

Latent Space: The AI Engineer Podcast — Practitioners talking LLMs, CodeGen, Agents, Multimodality, AI UX, GPU Infra and all things Software 3.0

CHAPTER

The Asymmetric Memory Hierarchy of GPUs

This is kind of a caricature of how you think about accelerators or GPUs in particular. So HBM is much larger and SRAM is much smaller but much faster. One way of thinking about it is how can we design algorithms that take advantage of this asymmetric memory hierarchy? And of course, like lots of folks have been thinking about this, but these ideas are pretty old.

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