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Large Language Models (LLMs) show promise for automated code optimization but struggle without performance context. This work introduces Opal, a modular framework that connects performance analytics insights with the vast body of published…

Performance · Computer Science 2025-10-02 Mohammad Zaeed , Tanzima Z. Islam , Vladimir Inđić

Wide deployment of machine learning models on edge devices has rendered the model intellectual property (IP) and data privacy vulnerable. We propose GNNVault, the first secure Graph Neural Network (GNN) deployment strategy based on Trusted…

Cryptography and Security · Computer Science 2025-02-24 Ruyi Ding , Tianhong Xu , Aidong Adam Ding , Yunsi Fei

Sparsely gated Mixture-of-Expert (MoE) has demonstrated its effectiveness in scaling up deep neural networks to an extreme scale. Despite that numerous efforts have been made to improve the performance of MoE from the model design or system…

Machine Learning · Computer Science 2023-02-21 Chang Chen , Min Li , Zhihua Wu , Dianhai Yu , Chao Yang

We introduce SeaDAG, a semi-autoregressive diffusion model for conditional generation of Directed Acyclic Graphs (DAGs). Considering their inherent layer-wise structure, we simulate layer-wise autoregressive generation by designing…

Machine Learning · Computer Science 2024-10-22 Xinyi Zhou , Xing Li , Yingzhao Lian , Yiwen Wang , Lei Chen , Mingxuan Yuan , Jianye Hao , Guangyong Chen , Pheng Ann Heng

Recently the retrieval-augmented generation (RAG) has been successfully applied in code generation. However, existing pipelines for retrieval-augmented code generation (RACG) employ static knowledge bases with a single source, limiting the…

Computation and Language · Computer Science 2024-12-04 Hongjin Su , Shuyang Jiang , Yuhang Lai , Haoyuan Wu , Boao Shi , Che Liu , Qian Liu , Tao Yu

DAG (directed acyclic graph) tasks are widely used to model parallel real-time workload. The real-time performance of a DAG task not only depends on its total workload, but also its graph structure. Intuitively, with the same total…

Distributed, Parallel, and Cluster Computing · Computer Science 2023-07-26 Qingqiang He , Nan Guan , Mingsong Lv

Edge computing is deemed a promising technique to execute latency-sensitive applications by offloading computation-intensive tasks to edge servers. Extensive research has been conducted in the field of end-device to edge server task…

Networking and Internet Architecture · Computer Science 2024-09-18 Xiang Li , Mustafa Abdallah , Yuan-Yao Lou , Mung Chiang , Kwang Taik Kim , Saurabh Bagchi

Video analytics pipelines have steadily shifted to edge deployments to reduce bandwidth overheads and privacy violations, but in doing so, face an ever-growing resource tension. Most notably, edge-box GPUs lack the memory needed to…

Distributed, Parallel, and Cluster Computing · Computer Science 2022-05-06 Arthi Padmanabhan , Neil Agarwal , Anand Iyer , Ganesh Ananthanarayanan , Yuanchao Shu , Nikolaos Karianakis , Guoqing Harry Xu , Ravi Netravali

Large-scale LLM pretraining now runs across $10^5$--$10^6$ accelerators, making failures routine and elasticity mandatory. We posit that an elastic-native training system must jointly deliver (i) parameter consistency, (ii) low mean time to…

This PhD thesis considers the performance evaluation and enhancement of video communication over wireless channels. The system model considers hybrid automatic repeat request (HARQ) with Chase combining and turbo product codes (TPC). The…

Information Theory · Computer Science 2017-06-12 Husameldin Mukhtar

This study aims to optimize the existing retrieval-augmented generation model (RAG) by introducing a graph structure to improve the performance of the model in dealing with complex knowledge reasoning tasks. The traditional RAG model has…

Information Retrieval · Computer Science 2024-11-07 Yuxin Dong , Shuo Wang , Hongye Zheng , Jiajing Chen , Zhenhong Zhang , Chihang Wang

We present DarkneTZ, a framework that uses an edge device's Trusted Execution Environment (TEE) in conjunction with model partitioning to limit the attack surface against Deep Neural Networks (DNNs). Increasingly, edge devices (smartphones…

Multi-Agent Systems (MAS) have emerged as a powerful paradigm for modeling complex interactions among autonomous entities in distributed environments. In Multi-Agent Reinforcement Learning (MARL), communication enables coordination but can…

Multiagent Systems · Computer Science 2025-11-13 Xinren Zhang , Jiadong Yu , Zixin Zhong

Traffic Engineering (TE) is a basic building block of the Internet. In this paper, we analyze whether modern Machine Learning (ML) methods are ready to be used for TE optimization. We address this open question through a comparative…

Networking and Internet Architecture · Computer Science 2021-09-06 Guillermo Bernárdez , José Suárez-Varela , Albert López , Bo Wu , Shihan Xiao , Xiangle Cheng , Pere Barlet-Ros , Albert Cabellos-Aparicio

We introduce the theoretical foundations of the Tangle 2.0, a probabilistic leaderless consensus protocol based on a directed acyclic graph (DAG) called the Tangle. The Tangle naturally succeeds the blockchain as its next evolutionary step…

Distributed, Parallel, and Cluster Computing · Computer Science 2022-10-13 Sebastian Müller , Andreas Penzkofer , Nikita Polyanskii , Jonas Theis , William Sanders , Hans Moog

The Cerebras Wafer Scale Engine (WSE) is an accelerator that combines hundreds of thousands of AI-cores onto a single chip. Whilst this technology has been designed for machine learning workloads, the significant amount of available raw…

Distributed, Parallel, and Cluster Computing · Computer Science 2022-10-11 Nick Brown , Brandon Echols , Justs Zarins , Tobias Grosser

Multi-access edge computing (MEC) aims to extend cloud service to the network edge to reduce network traffic and service latency. A fundamental problem in MEC is how to efficiently offload heterogeneous tasks of mobile applications from…

Distributed, Parallel, and Cluster Computing · Computer Science 2020-10-27 Jin Wang , Jia Hu , Geyong Min , Albert Y. Zomaya , Nektarios Georgalas

Confidential computing is a security paradigm that enables the protection of confidential code and data in a co-tenanted cloud deployment using specialized hardware isolation units called Trusted Execution Environments (TEEs). By…

Cryptography and Security · Computer Science 2024-01-18 Abhiroop Sarkar , Alejandro Russo

Matrix languages, including MATLAB and Octave, are established standards for applications in science and engineering. They provide interactive programming environments that are easy to use due to their scripting languages with matrix data…

Programming Languages · Computer Science 2009-11-15 Raymes Khoury , Bernd Burgstaller , Bernhard Scholz

Large language models (LLMs) have achieved remarkable performance in various evaluation benchmarks. However, concerns are raised about potential data contamination in their considerable volume of training corpus. Moreover, the static nature…

Artificial Intelligence · Computer Science 2024-03-15 Kaijie Zhu , Jiaao Chen , Jindong Wang , Neil Zhenqiang Gong , Diyi Yang , Xing Xie