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LLM-based search agents often concatenate the full interaction history into the context, producing long and noisy inputs, and increasing compute cost and GPU memory overhead. To address this issue, we propose MemSearcher, an agent framework…

Computation and Language · Computer Science 2026-05-11 Qianhao Yuan , Jie Lou , Zichao Li , Jiawei Chen , Yaojie Lu , Hongyu Lin , Le Sun , Debing Zhang , Xianpei Han

In recent years, the size of pre-trained language models (PLMs) has grown by leaps and bounds. However, efficiency issues of these large-scale PLMs limit their utilization in real-world scenarios. We present a suite of cost-effective…

Large Language Models (LLMs) have found several use cases in education, ranging from automatic question generation to essay evaluation. In this paper, we explore the potential of using Large Language Models (LLMs) to author Intelligent…

Computation and Language · Computer Science 2024-04-26 Sankalan Pal Chowdhury , Vilém Zouhar , Mrinmaya Sachan

Large language models (LLMs) achieve state-of-the-art accuracy on complex reasoning tasks by generating multiple chain-of-thought (CoT) traces, but using a fixed token budget per query leads to over-computation on easy inputs and…

Artificial Intelligence · Computer Science 2026-02-03 Katrina Brown , Aneesh Muppidi , Rana Shahout

We propose a novel approach to enhancing the performance and efficiency of large language models (LLMs) by combining domain prompt routing with domain-specialized models. We introduce a system that utilizes a BERT-based router to direct…

Computation and Language · Computer Science 2024-10-11 Toby Simonds , Kemal Kurniawan , Jey Han Lau

The pursuit of general-purpose artificial intelligence depends on large language models (LLMs) that can handle both structured reasoning and open-ended generation. We present Omni-Thinker, a unified reinforcement learning (RL) framework…

Machine Learning · Computer Science 2025-09-30 Derek Li , Jiaming Zhou , Leo Maxime Brunswic , Abbas Ghaddar , Qianyi Sun , Liheng Ma , Yu Luo , Dong Li , Mark Coates , Jianye Hao , Yingxue Zhang

Memory pressure has emerged as a dominant constraint in scaling the training of large language models (LLMs), particularly in resource-constrained environments. While modern frameworks incorporate various memory-saving techniques, they…

Distributed, Parallel, and Cluster Computing · Computer Science 2026-04-21 Hanmei Yang , Jin Zhou , Yao Fu , Xiaoqun Wang , Ramine Roane , Hui Guan , Tongping Liu

Large Language Models (LLMs) demonstrate substantial accuracy gains when augmented with reasoning modes such as chain-of-thought and inference-time scaling. However, reasoning also incurs significant costs in inference latency and token…

Emerging Technologies · Computer Science 2025-10-13 Chen Wang , Xunzhuo Liu , Yuhan Liu , Yue Zhu , Xiangxi Mo , Junchen Jiang , Huamin Chen

The widespread adoption of large language models such as ChatGPT and Bard has led to unprecedented demand for these technologies. The burgeoning cost of inference for ever-increasing model sizes coupled with hardware shortages has limited…

Machine Learning · Computer Science 2023-05-24 Vishvak Murahari , Ameet Deshpande , Carlos E. Jimenez , Izhak Shafran , Mingqiu Wang , Yuan Cao , Karthik Narasimhan

We study user history modeling via Transformer encoders in deep learning recommendation models (DLRM). Such architectures can significantly improve recommendation quality, but usually incur high latency cost necessitating infrastructure…

Machine Learning · Computer Science 2024-12-11 Lars Hertel , Neil Daftary , Fedor Borisyuk , Aman Gupta , Rahul Mazumder

The dream of achieving a student-teacher ratio of 1:1 is closer than ever thanks to the emergence of large language models (LLMs). One potential application of these models in the educational field would be to provide feedback to students…

Computers and Society · Computer Science 2025-05-06 Marc Ballestero-Ribó , Daniel Ortiz-Martínez

Scaling large language models (LLMs) has driven significant advancements, yet it faces diminishing returns and escalating energy demands. This work explores how test-time compute (TTC) can serve as an energy-efficient complement to…

Machine Learning · Computer Science 2025-11-11 Yunho Jin , Gu-Yeon Wei , David Brooks

Typical multi-task learning (MTL) methods rely on architectural adjustments and a large trainable parameter set to jointly optimize over several tasks. However, when the number of tasks increases so do the complexity of the architectural…

Computer Vision and Pattern Recognition · Computer Science 2019-03-29 Gjorgji Strezoski , Nanne van Noord , Marcel Worring

LLMs often achieve similar average benchmark accuracies while exhibiting complementary strengths on different subsets of queries, suggesting that a router with query-specific model selection can outperform any single model. While existing…

Computation and Language · Computer Science 2026-04-02 Tanay Varshney , Annie Surla , Michelle Xu , Gomathy Venkata Krishnan , Maximilian Jeblick , David Austin , Neal Vaidya , Davide Onofrio

The ability of generative large language models (LLMs) to perform in-context learning has given rise to a large body of research into how best to prompt models for various natural language processing tasks. In this paper, we focus on…

Computation and Language · Computer Science 2024-08-02 Armel Zebaze , Benoît Sagot , Rachel Bawden

In this paper, we address task-oriented (or goal-oriented) communications where an encoder at the transmitter learns compressed latent representations of data, which are then transmitted over a wireless channel. At the receiver, a decoder…

Machine Learning · Computer Science 2024-11-18 Yalin E. Sagduyu , Tugba Erpek , Aylin Yener , Sennur Ulukus

Large language models (LLMs) power many state-of-the-art systems in natural language processing. However, these models are extremely computationally expensive, even at inference time, raising the natural question: when is the extra cost of…

Machine Learning · Computer Science 2023-05-05 Deepak Narayanan , Keshav Santhanam , Peter Henderson , Rishi Bommasani , Tony Lee , Percy Liang

Vision-Language Models (VLMs) excel in diverse multimodal tasks. However, user requirements vary across scenarios, which can be categorized into fast response, high-quality output, and low energy consumption. Relying solely on large models…

Machine Learning · Computer Science 2025-11-03 Xin Tang , Youfang Han , Fangfei Gou , Wei Zhao , Xin Meng , Yang Yu , Jinguo Zhang , Yuanchun Shi , Yuntao Wang , Tengxiang Zhang

Retrieval-augmented language models (LMs) have received much attention recently. However, typically the retriever is not trained jointly as a native component of the LM, but added post-hoc to an already-pretrained LM, which limits the…

Computation and Language · Computer Science 2024-07-23 Ohad Rubin , Jonathan Berant

MTL is a learning paradigm that effectively leverages both task-specific and shared information to address multiple related tasks simultaneously. In contrast to STL, MTL offers a suite of benefits that enhance both the training process and…