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AdaServe: Accelerating Multi-SLO LLM Serving with SLO-Customized Speculative Decoding

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arxiv 2501.12162 v2 pith:MFS6ILLF submitted 2025-01-21 cs.CL cs.AIcs.DCcs.LG

AdaServe: Accelerating Multi-SLO LLM Serving with SLO-Customized Speculative Decoding

classification cs.CL cs.AIcs.DCcs.LG
keywords servingadaservemulti-slodecodingdiverseslo-customizedslosspeculation
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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Modern large language model (LLM) applications exhibit diverse service-level objectives (SLOs), from low-latency requirements in interactive coding assistants to more relaxed constraints in data wrangling tasks. Existing LLM serving systems, which rely on uniform batching and scheduling strategies, often fail to meet these heterogeneous SLOs concurrently. We present AdaServe, the first LLM serving system designed to support efficient multi-SLO serving through SLO-customized speculative decoding. AdaServe formulates multi-SLO serving as a constrained optimization problem and introduces a hardware-aware algorithm that constructs a speculation tree tailored to each request's latency target. It features a speculate-select-verify pipeline that enables fine-grained control over decoding speed while maximizing system throughput. AdaServe further adapts to workload variation by dynamically adjusting speculation parameters. Evaluations across diverse workloads show that AdaServe reduces SLO violations by up to 4.3$\times$ and improves goodput by up to 1.9$\times$ compared to the best performing baselines, highlighting its effectiveness in multi-SLO serving.

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Forward citations

Cited by 9 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score.

  1. Regulating Branch Parallelism in LLM Serving

    cs.DC 2026-05 unverdicted novelty 7.0

    TAPER regulates LLM branch parallelism by admitting extra branches opportunistically when predicted externality fits slack, delivering 1.48-1.77x higher goodput than eager or fixed-cap baselines on Qwen3-32B while kee...

  2. Coral: Cost-Efficient Multi-LLM Serving over Heterogeneous Cloud GPUs

    cs.DC 2026-05 unverdicted novelty 7.0

    Coral cuts multi-LLM serving costs by up to 2.79x and raises goodput by up to 2.39x on heterogeneous GPUs through adaptive joint optimization and a lossless two-stage decomposition that solves quickly.

  3. FASER: Fine-Grained Phase Management for Speculative Decoding in Dynamic LLM Serving

    cs.DC 2026-04 unverdicted novelty 7.0

    FASER delivers up to 53% higher throughput and 1.92x lower latency in dynamic LLM serving by adjusting speculative lengths per request, early pruning of rejects, and overlapping draft/verification phases via frontiers.

  4. SuperInfer: SLO-Aware Rotary Scheduling and Memory Management for LLM Inference on Superchips

    cs.DC 2026-01 conditional novelty 7.0

    SuperInfer improves TTFT SLO attainment by up to 74.7% on GH200 Superchips via SLO-aware rotary scheduling (RotaSched) and full-duplex KV cache rotation (DuplexKV) over NVLink-C2C while preserving TBT and throughput.

  5. DeltaServe: Host-Agnostic Co-Serving of Inference and Fine-Tuning for LLMs

    cs.DC 2026-07 conditional novelty 6.0

    DeltaServe co-serves LoRA fine-tuning with LLM inference on existing engines (vLLM, SGLang, S-LoRA) through host-agnostic hooks and an SLO-aware scheduler, achieving 2.9x the fine-tuning throughput of LLMStation at 10...

  6. Optimus: Elastic Decoding for Efficient Diffusion LLM Serving

    cs.DC 2026-05 unverdicted novelty 6.0

    Optimus enables elastic decoding granularity adaptation in diffusion LLMs via chunked decoding and load-based scheduling to raise throughput under dynamic conditions.

  7. MineDraft: A Framework for Batch Parallel Speculative Decoding

    cs.CL 2026-02 conditional novelty 6.0

    MineDraft speeds up speculative decoding by keeping two request batches — drafting one batch while verifying the other — gaining up to ~40% per-GPU throughput at moderate draft lengths.

  8. From Human Memory to AI Memory: A Survey on Memory Mechanisms in the Era of LLMs

    cs.IR 2025-04 unverdicted novelty 5.0

    The paper surveys human memory categories, maps them to LLM memory, and proposes a new three-dimension (object, form, time) categorization into eight quadrants to organize existing work and highlight open problems.

  9. Cloud-native and Distributed Systems for Efficient and Scalable Large Language Models -- A Research Agenda

    cs.DC 2026-04 unverdicted novelty 2.0

    This research agenda argues that cloud-native architectures, microservices, autoscaling, and emerging trends like serverless inference and federated learning are required to make large language models efficient and scalable.