Hetis dynamically splits LLM attention across heterogeneous GPUs at the granularity of individual heads while keeping dense computation on a selected subset, and reports up to 2.25x throughput gains over Splitwise and Hexgen.
InProceedings of the Nineteenth European Conference on Computer Systems
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Hetis: Serving LLMs in Heterogeneous GPU Clusters with Fine-grained and Dynamic Parallelism
Hetis dynamically splits LLM attention across heterogeneous GPUs at the granularity of individual heads while keeping dense computation on a selected subset, and reports up to 2.25x throughput gains over Splitwise and Hexgen.