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DuetServe framework optimizes LLM serving with adaptive GPU multiplexing

Researchers have developed DuetServe, a new framework designed to optimize the serving of large language models (LLMs). This system addresses the challenge of balancing high throughput with low latency by intelligently managing the distinct prefill and decode phases of LLM inference. DuetServe dynamically partitions GPU resources at the SM (Streaming Multiprocessor) level to provide isolation only when necessary, preventing interference between the two phases and avoiding the inefficiencies of duplicating models. AI

IMPACT Improves LLM serving efficiency, potentially lowering latency and increasing throughput for deployed models.

RANK_REASON The cluster contains a research paper detailing a new technical framework for LLM serving. [lever_c_demoted from research: ic=1 ai=1.0]

Read on arXiv cs.LG →

AI-generated summary · Google Gemini · from 1 sources. How we write summaries →

COVERAGE [1]

  1. arXiv cs.LG TIER_1 English(EN) · Lei Gao, Chaoyi Jiang, Hossein Entezari Zarch, Daniel Wong, Mark Hill, Murali Annavaram ·

    DuetServe: Harmonizing Prefill and Decode for LLM Serving via Adaptive GPU Multiplexing

    arXiv:2511.04791v2 Announce Type: replace Abstract: Modern LLM serving systems must sustain high throughput while meeting strict latency SLOs across two distinct inference phases: compute-intensive prefill and memory-bound decode phases. Existing approaches either (1) aggregate b…