Author

Zihan Xu

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Preprint Aug 2026

A Two-Tier Perspective on Inference-Time Parallelism in Multi-Agent LLM Systems

TIPEX is proposed, a controllable execution framework that unifies these two levels of parallelism and coordinates their roles within the inference process under a unified execution semantics while supporting systematic combinations and analyses of different parallel strategies and parameter configurations.

Zihan Xu, Haolin Tian, Hai Jiang · 0 citations

Preprint Aug 2026

Information-Computation Inversion in Pseudo-Marginal MCMC

An inverse-weight acceptance bound is derived that yields a lower bound on functional mean-squared error from high retained-weight mass in discrepant states and distinguishes statistical information, retained-state functional risk, and auxiliary-computation allocation in pseudo-marginal inference.

Zihan Xu · 0 citations