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S. Venkatraman

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#artificial intelligence Preprint Sep 2026

KV-streams for Efficient Compaction in Agentic Reinforcement Learning

KV-streams is proposed, a plug-and-play strategy compatible with any compaction strategy that substantially increases throughput while showing no evidence of hindering performance, and is shown to be an efficient and lightweight plug-and-play addition to any post-training pipeline.

Emiliano Penaloza, Dane Malenfant, Dheeraj Vattikonda et al. · 0 citations
Preprint Aug 2026

Le Critique: Privileged Value Functions for LLM Reinforcement Learning

This work proposes two complementary strategies to improve the performance of value function RL: Privileged Value Functions (PVF) which provide an elegant mechanism to inject additional task-relevant token-level signal without biasing the policy objective; and TETHER, a baseline that adaptively interpolates between gro...

S. Venkatraman, Matthieu Dinot, Laurence Aitchison · 1 citation · ⚡1

Amortizing intractable inference in diffusion models for vision, language, and control

Amortized sampling of the posterior over data is studied, and the asymptotic correctness of a data-free learning objective, relative trajectory balance, is proved for training a diffusion model that samples from this posterior, a problem that existing methods solve only approximately or in restricted cases.

S. Venkatraman, Moksh Jain, Luca Scimeca et al. · 75 citations · ⚡5

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