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Modern IEEE 802.11 (Wi-Fi) networks extensively rely on multiple-input multiple-output (MIMO) to significantly improve throughput. To correctly beamform MIMO transmissions, the access point needs to frequently acquire a beamforming matrix…

Networking and Internet Architecture · Computer Science 2023-10-16 Niloofar Bahadori , Yoshitomo Matsubara , Marco Levorato , Francesco Restuccia

Nowadays simulations can produce petabytes of data to be stored in parallel filesystems or large-scale databases. This data is accessed over the course of decades often by thousands of analysts and scientists. However, storing these volumes…

Distributed, Parallel, and Cluster Computing · Computer Science 2019-02-11 Salvatore Di Girolamo , Pirmin Schmid , Thomas Schulthess , Torsten Hoefler

Federated Learning (FL) enables multiple devices to collaboratively train a shared model while preserving data privacy. Ever-increasing model complexity coupled with limited memory resources on the participating devices severely bottlenecks…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-10-16 Chunlin Tian , Li Li , Kahou Tam , Yebo Wu , Chengzhong Xu

Emerging high performance non-volatile memories recall the importance of efficient file system design. To avoid the virtual file system (VFS) and syscall overhead as in these kernel-based file systems, recent works deploy file systems…

Operating Systems · Computer Science 2019-08-29 Youmin Chen , Youyou Lu , Bohong Zhu , Jiwu Shu

This work presents a novel protocol for fast secure inference of neural networks applied to computer vision applications. It focuses on improving the overall performance of the online execution by deploying a subset of the model weights in…

Cryptography and Security · Computer Science 2022-03-01 George-Liviu Pereteanu , Amir Alansary , Jonathan Passerat-Palmbach

With the availability of hybrid DRAM-NVRAM memory on the memory bus of CPUs, a number of file systems on NVRAM have been designed and implemented. In this paper we present the design and implementation of a file system on NVRAM called…

Operating Systems · Computer Science 2018-11-05 Chandan Kalita , Gautam Barua , Priya Sehgal

Persistent Memory (PM) is a new storage technology thatbrings high performance, byte addressability, and persistency for a lesser cost than DRAM. Due to cache volatility and store reordering, developers must use explicit instructions (e.g.:…

Emerging Technologies · Computer Science 2026-03-03 Sebastião Amaro , João Gonçalves , Miguel Matos

The moving computation on the edge or near to data is the new trend that can break the bandwidth wall and to unleash the power of next generation NVM or SCM memory. File system is the important OS subsystem that plays the role of mediator…

Operating Systems · Computer Science 2019-01-08 Viacheslav Dubeyko

Distributed filesystem metadata updates are typically synchronous. This creates inherent challenges for access efficiency, load balancing, and directory contention, especially under dynamic and skewed workloads. This paper argues that…

Distributed, Parallel, and Cluster Computing · Computer Science 2026-01-01 Jingwei Xu , Mingkai Dong , Qiulin Tian , Ziyi Tian , Tong Xin , Haibo Chen

Serving large language models (LLMs) is expensive, especially for providers hosting many models, making cost reduction essential. The unique workload patterns of serving multiple LLMs (i.e., multi-LLM serving) create new opportunities and…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-05-14 Shan Yu , Jiarong Xing , Yifan Qiao , Mingyuan Ma , Yangmin Li , Yang Wang , Shuo Yang , Zhiqiang Xie , Shiyi Cao , Ke Bao , Ion Stoica , Harry Xu , Ying Sheng

Existing path lookup routines in file systems need to construct an auxiliary index in memory or traverse the dentries of the directory file sequentially, which brings either heavy writes or large timing cost. This paper designs a novel path…

Distributed, Parallel, and Cluster Computing · Computer Science 2019-05-07 Runyu Zhang , Chaoshu Yang

Data movement between main memory and the CPU is a major bottleneck in parallel data-intensive applications. In response, researchers have proposed using compilers and intermediate representations (IRs) that apply optimizations such as loop…

Distributed, Parallel, and Cluster Computing · Computer Science 2019-09-20 Shoumik Palkar , Matei Zaharia

Split-execution computing leverages the capabilities of multiple computational models to solve problems, but splitting program execution across different computational models incurs costs associated with the translation between domains. We…

Emerging Technologies · Computer Science 2016-09-26 Travis S. Humble , Alexander J. McCaskey , Jonathan Schrock , Hadayat Seddiqi , Keith A. Britt , Neena Imam

Dynamic program slicing can significantly reduce the code developers need to inspect by narrowing it down to only a subset of relevant program statements. However, despite an extensive body of research showing its usefulness, dynamic…

Software Engineering · Computer Science 2022-01-04 Bogdan Alexandru Stoica , Swarup K. Sahoo , James R. Larus , Vikram S. Adve

This paper presents SplitBox, a scalable system for privately processing network functions that are outsourced as software processes to the cloud. Specifically, providers processing the network functions do not learn the network policies…

Cryptography and Security · Computer Science 2016-05-13 Hassan Jameel Asghar , Luca Melis , Cyril Soldani , Emiliano De Cristofaro , Mohamed Ali Kaafar , Laurent Mathy

The convergence of high-performance computing (HPC) and artificial intelligence (AI) is driving the emergence of increasingly complex parallel applications and workloads. These workloads often combine multiple parallel runtimes within the…

Distributed, Parallel, and Cluster Computing · Computer Science 2026-01-29 Aleix Roca , Vicenç Beltran

Scientists increasingly rely on Python tools to perform scalable distributed memory array operations using rich, NumPy-like expressions. However, many of these tools rely on dynamic schedulers optimized for abstract task graphs, which often…

Distributed, Parallel, and Cluster Computing · Computer Science 2022-07-14 Melih Elibol , Vinamra Benara , Samyu Yagati , Lianmin Zheng , Alvin Cheung , Michael I. Jordan , Ion Stoica

We design deep neural networks (DNNs) and corresponding networks' splittings to distribute DNNs' workload to camera sensors and a centralized aggregator on head mounted devices to meet system performance targets in inference accuracy and…

Machine Learning · Computer Science 2022-04-12 Xin Dong , Barbara De Salvo , Meng Li , Chiao Liu , Zhongnan Qu , H. T. Kung , Ziyun Li

Digital memristive processing-in-memory overcomes the memory wall through a fundamental storage device capable of stateful logic within crossbar arrays. Dynamically dividing the crossbar arrays by adding memristive partitions further…

Hardware Architecture · Computer Science 2022-06-10 Orian Leitersdorf , Ronny Ronen , Shahar Kvatinsky

In-memory database query processing frequently involves substantial data transfers between the CPU and memory, leading to inefficiencies due to Von Neumann bottleneck. Processing-in-Memory (PIM) architectures offer a viable solution to…