TreeSpark: Calibrated, Load-Adaptive Draft Trees for Semi-Autoregressive Speculative Decoding

arXiv:2609.22098 · cs.CL · Submitted 2026-08-12 · Read on arXiv

cs.CL

Submitted: 2026-08-12

Updated: 2026-08-12

Code: https://github.com/PopSoda2002/TreeSpark

License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/

Terminology

• Speculative Decoding — 2× in this paper · explained in 2 episodes
• Decode — 1× in this paper · explained in 2 episodes

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