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The rapid evolution of Large Language Model (LLM) inference systems has yielded significant efficiency improvements. However, our systematic analysis reveals that current evaluation methodologies frequently exhibit fundamental flaws, often…

The growth in data storage capacity and the increasing demands for high performance have created several challenges for concurrent indexing structures. One promising solution is learned indexes, which use a learning-based approach to fit…

Databases · Computer Science 2023-09-06 Jiake Ge , Huanchen Zhang , Boyu Shi , Yuanhui Luo , Yunda Guo , Yunpeng Chai , Yuxing Chen , Anqun Pan

In this paper, we introduce DobLIX, a dual-objective learned index specifically designed for Log-Structured Merge(LSM) tree-based key-value stores. Although traditional learned indexes focus exclusively on optimizing index lookups, they…

Databases · Computer Science 2025-09-03 Alireza Heidari , Amirhossein Ahmadi , Wei Zhang

Edge computing enables real-time data processing closer to its source, thus improving the latency and performance of edge-enabled AI applications. However, traditional AI models often fall short when dealing with complex, dynamic tasks that…

Networking and Internet Architecture · Computer Science 2025-07-02 Haoxiang Luo , Yinqiu Liu , Ruichen Zhang , Jiacheng Wang , Gang Sun , Dusit Niyato , Hongfang Yu , Zehui Xiong , Xianbin Wang , Xuemin Shen

Index structures are one of the most important tools that DBAs leverage to improve the performance of analytics and transactional workloads. However, building several indexes over large datasets can often become prohibitive and consume…

Databases · Computer Science 2020-03-26 Alex Galakatos , Michael Markovitch , Carsten Binnig , Rodrigo Fonseca , Tim Kraska

Nowadays, many companies possess various types of AI accelerators, forming heterogeneous clusters. Efficiently leveraging these clusters for high-throughput large language model (LLM) inference services can significantly reduce costs and…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-04-23 Yi Xiong , Jinqi Huang , Wenjie Huang , Xuebing Yu , Entong Li , Zhixiong Ning , Jinhua Zhou , Li Zeng , Xin Chen

Recent progress in Language Models (LMs) has dramatically advanced the field of natural language processing (NLP), excelling at tasks like text generation, summarization, and question answering. However, their inference remains…

Machine Learning · Computer Science 2025-06-10 Adarsh Prasad Behera , Jaya Prakash Champati , Roberto Morabito , Sasu Tarkoma , James Gross

Learned indexes, which use machine learning models to replace traditional index structures, have shown promising results in recent studies. However, existing learned indexes exhibit a performance gap between synthetic and real-world…

Databases · Computer Science 2022-05-20 Jiaoyi Zhang , Yihan Gao

Large Language Models (LLMs) have been achieving competent performance on a wide range of downstream tasks, yet existing work shows that inference on structured data is challenging for LLMs. This is because LLMs need to either understand…

Computation and Language · Computer Science 2024-07-04 Younghun Lee , Sungchul Kim , Ryan A. Rossi , Tong Yu , Xiang Chen

Learned indexes have emerged as a promising alternative to traditional index structures, offering higher throughput and lower memory usage by approximating the cumulative key distribution function with lightweight models. Despite these…

Databases · Computer Science 2026-05-25 Shubham Vashisth , Olivier Michaud , Bettina Kemme , Oana Balmau

Datasets of real-world applications are characterized by entities of different types, which are defined by multiple features and connected via varied types of relationships. A critical challenge for these datasets is developing models and…

Social and Information Networks · Computer Science 2019-09-24 Abhishek Santra , Kanthi Sannappa Komar , Sanjukta Bhowmick , Sharma Chakravarthy

In the past year, Multimodal Large Language Models (MLLMs) have demonstrated remarkable performance in tasks such as visual question answering, visual understanding and reasoning. However, the extensive model size and high training and…

Computer Vision and Pattern Recognition · Computer Science 2026-01-23 Yizhang Jin , Jian Li , Yexin Liu , Tianjun Gu , Kai Wu , Zhengkai Jiang , Muyang He , Bo Zhao , Xin Tan , Zhenye Gan , Yabiao Wang , Chengjie Wang , Lizhuang Ma

The rapid growth of large language models (LLMs) with diverse capabilities, costs, and domains has created a critical need for intelligent model selection at inference time. While smaller models suffice for routine queries, complex tasks…

Networking and Internet Architecture · Computer Science 2026-04-22 Yasmin Moslem , John D. Kelleher

The deployment of large language models (LLMs) in real-world applications is increasingly limited by their high inference cost. While recent advances in dynamic token-level computation allocation attempt to improve efficiency by selectively…

Computation and Language · Computer Science 2025-10-17 Chao Han , Yijuan Liang , Zihao Xuan , Daokuan Wu , Wei Zhang , Xiaoyu Shen

The scale and complexity of workloads in modern cloud services have brought into sharper focus a critical challenge in automated index tuning -- the need to recommend high-quality indexes while maintaining index tuning scalability. This…

Databases · Computer Science 2023-08-29 Tarique Siddiqui , Wentao Wu

Many recent approaches of passage retrieval are using dense embeddings generated from deep neural models, called "dense passage retrieval". The state-of-the-art end-to-end dense passage retrieval systems normally deploy a deep neural model…

Information Retrieval · Computer Science 2022-10-11 Yifan Wang , Haodi Ma , Daisy Zhe Wang

Indexes can significantly improve search performance in relational databases. However, if the query workload changes frequently or new data updates occur continuously, it may not be worthwhile to build a conventional index upfront for query…

Databases · Computer Science 2025-08-06 Suvam Kumar Das , Suprio Ray

Training efficiency in large-scale models is typically assessed through memory consumption, training time, and model performance. Current methods often exhibit trade-offs among these metrics, as optimizing one generally degrades at least…

Machine Learning · Computer Science 2026-02-03 Tianhao Miao , Zhongyuan Bao , Lejun Zhang

Transformers excel in Natural Language Processing (NLP) due to their prowess in capturing long-term dependencies but suffer from exponential resource consumption with increasing sequence lengths. To address these challenges, we propose MCSD…

Computation and Language · Computer Science 2024-07-12 Hua Yang , Duohai Li , Shiman Li

The rapid evolution of Multimodal Large Language Models (MLLMs) has brought substantial advancements in artificial intelligence, significantly enhancing the capability to understand and generate multimodal content. While prior studies have…

Artificial Intelligence · Computer Science 2024-09-30 Lin Li , Guikun Chen , Hanrong Shi , Jun Xiao , Long Chen