Correctness Forensics for Batch Speculative Decoding: Diagnosing the Ragged Tensor Problem
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arXiv:2609.37532v1 Announce Type: cross Abstract: Growing large language model applications demand efficient inference. At high concurrency, block-diffusion speculative decoding suffers from verifica...
arXiv:2606. 27474v1 Announce Type: cross Abstract: How should we evaluate generation systems that combine autoregressive (AR) and diffusion decoding?
Speculative decoding leverages idle CPU resources to accelerate token generation without altering model outputs. In vLLM benchmarks, DFlash achieved a 3.92× increase in autoregressive throughput using Qwen3.5‑9B on an Intel Xeon 6 at a concurrency of 1. The article details the origins of this speedup, discusses acceptance metrics, and outlines factors that influence when speculation is beneficial.
arXiv:2609.36173v1 Announce Type: cross Abstract: Parallel speculative drafting generates multiple candidates in one backbone pass, but independent token selection can produce inconsistent continuati...
arXiv:2603. 18016v2 Announce Type: replace-cross Abstract: Speculative decoding (SD) accelerates large language model inference by using a smaller draft model to propose draft tokens that are subsequently verified by a larger target model.
arXiv:2607. 05147v1 Announce Type: new Abstract: Speculative decoding accelerates Large Language Model (LLM) inference by decoupling draft generation from target verification.