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Deploying massive large language models (LLMs) as continuous cognitive engines for robotics is bottlenecked by the time-to-first-token (TTFT) latency required to process extensive state histories. Existing solutions like RAG or sliding…

Robotics · Computer Science 2026-05-11 Robin Karlsson , Go Suzui

Leveraging external knowledge is crucial for achieving high performance in knowledge-intensive tasks, such as question answering. The retrieve-and-read approach is widely adopted for integrating external knowledge into a language model.…

Computation and Language · Computer Science 2024-06-10 Dongkyu Lee , Chandana Satya Prakash , Jack FitzGerald , Jens Lehmann

Large language model (LLM) agents increasingly operate in settings where a single context window is far too small to capture what has happened, what was learned, and what should not be repeated. Memory -- the ability to persist, organize,…

Artificial Intelligence · Computer Science 2026-03-10 Pengfei Du

Memory-augmented large language models extend reasoning beyond a fixed context window by maintaining long-term memory across interactions. However, existing memory systems often collapse stable user facts, episodic events, and behavioral…

Computation and Language · Computer Science 2026-05-28 Hyeonjeong Ha , Jeonghwan Kim , Cheng Qian , Jiayu Liu , William M. Campbell , Yue Wu , Yuji Zhang , Kathleen McKeown , Dilek Hakkani-Tur , Heng Ji

Long-duration audio is increasingly common in industrial and consumer settings, yet reviewing multi-hour recordings is impractical, motivating systems that answer natural-language queries with precise temporal grounding and minimal…

Audio and Speech Processing · Electrical Eng. & Systems 2026-03-10 Naveen Vakada , Kartik Hegde , Arvind Krishna Sridhar , Yinyi Guo , Erik Visser

Reinforcement learning agents often forget details of the past, especially after delays or distractor tasks. Agents with common memory architectures struggle to recall and integrate across multiple timesteps of a past event, or even to…

Machine Learning · Computer Science 2021-12-09 Andrew Kyle Lampinen , Stephanie C. Y. Chan , Andrea Banino , Felix Hill

To enable reliable long-term interaction, LLM agents require a memory system that can faithfully store, efficiently retrieve, and deeply reason over accumulated dialogue history. Most existing methods adopt an extracted fact based paradigm:…

Computation and Language · Computer Science 2026-05-20 Jingwei Sun , Jianing Zhu , Jiangchao Yao , Tongliang Liu , Bo Han

Many recent long-context and agentic systems address context-length limitations by adding hierarchical memory: they extract atomic units from raw data, build multi-level representatives by grouping and compression, and traverse this…

Information Retrieval · Computer Science 2026-03-24 Yashar Talebirad , Ali Parsaee , Csongor Y. Szepesvari , Amirhossein Nadiri , Osmar Zaiane

Large Reasoning Models (LRMs) face two fundamental limitations: excessive token consumption when overanalyzing simple information processing tasks, and inability to access up-to-date knowledge beyond their training data. We introduce MARS…

Artificial Intelligence · Computer Science 2026-02-03 Guoxin Chen , Zile Qiao , Wenqing Wang , Donglei Yu , Xuanzhong Chen , Hao Sun , Minpeng Liao , Kai Fan , Yong Jiang , Penguin Xie , Wayne Xin Zhao , Ruihua Song , Fei Huang

Retrieval-Augmented Generation (RAG) mitigates LLM hallucinations but introduces a critical vulnerability: corpus integrity. We present SilentRetrieval, a two-stage data poisoning attack that hijacks RAG systems through adversarially…

Cryptography and Security · Computer Science 2026-05-28 Jiachen Qian

High-performance GPU kernels are essential for efficient LLM deployment, yet optimizing them remains expertise-intensive. Recent LLM-based code generation makes automatic GPU operator generation promising, but operator optimization remains…

Computation and Language · Computer Science 2026-05-29 Yining Zhang , Mingyang Yi , Chen Wang , Xuwen Xiang , Tianhe Jia , Zedong Dan , Chengqing Zong , Yue Wang

Reasoning LLMs produce thousands of chain-of-thought tokens whose KV cache must reside in scarce GPU HBM. The dominant response -- permanently evicting low-importance tokens -- is catastrophic for reasoning: accuracy collapses to 0-2.5%…

Computation and Language · Computer Science 2026-05-12 Aojie Yuan , Tianqi Shen , Dajun Zhang

Scheduling policies in large-scale Automatic Speech Recognition (ASR) serving pipelines play a key role in determining end-to-end (E2E) latency. Yet, widely used serving engines rely on first-come-first-served (FCFS) scheduling, which…

Machine Learning · Computer Science 2026-03-13 Darshan Makwana , Yash Jogi , Harsh Kotta , Aayush Kubba

Large Language Models (LLMs) have achieved unprecedented fluency but remain susceptible to "hallucinations" - the generation of factually incorrect or ungrounded content. This limitation is particularly critical in high-stakes domains where…

Computation and Language · Computer Science 2026-03-26 Md. Asraful Haque , Aasar Mehdi , Maaz Mahboob , Tamkeen Fatima

Large Language Models (LLMs) possess a theoretical capability to model information density far beyond the limits of classical statistical methods (e.g., Lempel-Ziv). However, utilizing this capability for lossless compression involves…

Information Theory · Computer Science 2026-03-27 Marcus Armstrong , ZiWei Qiu , Huy Q. Vo , Arjun Mukherjee

Large Language Models (LLMs) exhibit remarkable capabilities but suffer from apparent precision loss, reframed here as information spreading. This reframing shifts the problem from computational precision to an information-theoretic…

Machine Learning · Computer Science 2025-07-02 Christopher James Augeri

Deploying Multimodal Large Language Models as the brain of embodied agents remains challenging, particularly under long-horizon observations and limited context budgets. Existing memory assisted methods often rely on textual summaries,…

Robotics · Computer Science 2026-03-03 Ji Li , Bo Wang , Jing Xia , Mingyi Li , Shiyan Hu

Hybrid cloud-edge infrastructures now support latency-critical workloads ranging from autonomous vehicles and surgical robotics to immersive AR/VR. However, they continue to experience crippling long-tail latency spikes whenever bursty…

Distributed, Parallel, and Cluster Computing · Computer Science 2026-05-26 Eunil Seo , Chanh Nguyen , Erik Elmroth

Enterprise AI deploys dozens of autonomous agent nodes across workflows, each acting on the same entities with no shared memory and no common governance. We identify five structural challenges arising from this memory governance gap: memory…

Artificial Intelligence · Computer Science 2026-03-19 Hamed Taheri

We introduce a new approach to take into account the memory architecture and the memory mapping in the High- Level Synthesis of Real-Time embedded systems. We formalize the memory mapping as a set of constraints used in the scheduling step.…

Hardware Architecture · Computer Science 2016-08-16 Gwenolé Corre , Eric Senn , Nathalie Julien , Eric Martin