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About this paper

Linye Wei, Shutian Zheng, Haoyu Zeng, Meng Li

RecGuide improves serving throughput in self-speculative decoding by preparing likely correction and continuation branches during verification and adapting request-specific draft block sizes to load. On NLD-8B with AIME25 at concurrency 1 and block size 16, it reaches 4.38× speedup over autoregressive decoding, versus 2.42× for LinearSS. Tests cover two model sizes and eight benchmarks on one B200.

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