Accelerate LLM model loading and increase context windows with GPUDirect on Amazon FSx for Lustre and TurboQuant | Amazon Web Services
If you’re iterating on deploying large language models (LLMs) on AWS GPU instances, you’ve probably noticed the larger the model to be loaded into GPU High Bandwidth Memory (HBM), the longer the painful wait until the GPUs are ready for inference. As models grow to hundreds of billions of parameters and GPU environments grow ever larger, model load time negatively affects your end-to-end total time to first token (TTFT). This post explores how Amazon FSx for Lustre, combined with NVIDIA GPUDirect Storage (GDS), plus a bit of clever planning, can fundamentally change the cold-start TTFT equation. It reduces minutes of unproductive load time to seconds each time your model starts. While we’re on the topic of optimization, this post will also cover the effect of the recently announced TurboQuant KV cache in terms of a massive increase in context window size.
Background: NVIDIA Blackwell architecture on AWS
AWS recently launched...
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