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SuperInfer: SLO-Aware Rotary Scheduling and Memory Management for LLM Inference

SuperInfer is a high-performance LLM inference system designed for emerging superchips (e.g., NVIDIA GH200). It introduces RotaSched, a proactive SLO-aware rotary scheduler, and DuplexKV, a full-duplex memory engine, achieving up to 74.7% higher TTFT SLO attainment while maintaining comparable TBT and throughput.

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SuperInfer: SLO-Aware Rotary Scheduling and Memory Management for LLM Inference
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  • Proposes RotaSched, the first proactive SLO-aware rotary scheduler that rotates requests between HBM and DRAM based on latency urgency.
  • DuplexKV engine enables full-duplex KV cache transfer over NVLink-C2C, overcoming PCIe bandwidth limitations.
  • Evaluated on GH200, showing up to 74.7% improvement in TTFT SLO attainment over state-of-the-art systems like vLLM.

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