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Scaling long-context ability is essential for Large Language Models (LLMs). To amortize the memory consumption across multiple devices in long-context training, inter-data partitioning (a.k.a. Data Parallelism) and intra-data partitioning…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-09-01 Hao Ge , Junda Feng , Qi Huang , Fangcheng Fu , Xiaonan Nie , Lei Zuo , Haibin Lin , Bin Cui , Xin Liu

In this paper we are interested in bounding the number of instructions taken to process transactions. The main result is a multiversion transactional system that supports constant delay (extra instructions beyond running in isolation) for…

Distributed, Parallel, and Cluster Computing · Computer Science 2019-05-17 Naama Ben-David , Guy E. Blelloch , Yihan Sun , Yuanhao Wei

HiCCL (Hierarchical Collective Communication Library) addresses the growing complexity and diversity in high-performance network architectures. As GPU systems have envolved into networks of GPUs with different multilevel communication…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-08-13 Mert Hidayetoglu , Simon Garcia de Gonzalo , Elliott Slaughter , Pinku Surana , Wen-mei Hwu , William Gropp , Alex Aiken

We present a preliminary proposal for an analytical model for evaluating the impact on performance of data access patterns in concurrent transaction execution. We consider the case of concurrency control protocols that use locking to ensure…

Performance · Computer Science 2021-10-19 Pierangelo Di Sanzo

Sharding is a prominent technique for scaling blockchains. By dividing the network into smaller components known as shards, a sharded blockchain can process transactions in parallel without introducing inconsistencies through the…

Cryptography and Security · Computer Science 2023-09-12 Jianting Zhang , Wuhui Chen , Sifu Luo , Tiantian Gong , Zicong Hong , Aniket Kate

Cloud-edge collaborative computing paradigm is a promising solution to high-resolution video analytics systems. The key lies in reducing redundant data and managing fluctuating inference workloads effectively. Previous work has focused on…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-10-10 Haosong Peng , Yufeng Zhan , Peng Li , Yuanqing Xia

Although blockchains have become widely popular for their use in cryptocurrencies, they are now becoming pervasive as more traditional applications adopt blockchain to ensure data security. Despite being a secured network, blockchains have…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-12-10 Faisal Haque Bappy , Tariqul Islam , Tarannum Shaila Zaman , Md Sajidul Islam Sajid , Mir Mehedi Ahsan Pritom

Many distributed systems require coordination between the components involved. With the steady growth of such systems, the probability of failures increases, which necessitates scalable fault-tolerant agreement protocols. The most common…

Distributed, Parallel, and Cluster Computing · Computer Science 2017-04-24 Marius Poke , Torsten Hoefler , Colin W. Glass

Transaction processing has been an active area of research for several decades. A fundamental characteristic of classical transaction processing protocols is non-determinism, which causes them to suffer from performance issues on modern…

Databases · Computer Science 2019-10-24 Thamir M. Qadah

Multicore CPUs and large memories are increasingly becoming the norm in modern computer systems. However, current database management systems (DBMSs) are generally ineffective in exploiting the parallelism of such systems. In particular,…

Databases · Computer Science 2015-03-13 Chang Yao , Divyakant Agrawal , Pengfei Chang , Gang Chen , Beng Chin Ooi , Weng-Fai Wong , Meihui Zhang

In this paper we present the initial design of Minerva consensus protocol for Truechain and other technical details. Currently, it is widely believed in the blockchain community that a public chain cannot simultaneously achieve high…

Distributed, Parallel, and Cluster Computing · Computer Science 2018-12-04 Eric Zhang , Hendrik C , Yang Liu , Archit Sharma , Jasper L

Computational task offloading based on edge computing can deal with the performance bottleneck of traditional cloud-based systems for Internet of things (IoT). To further optimize computing efficiency and resource allocation, collaborative…

Distributed, Parallel, and Cluster Computing · Computer Science 2023-01-05 Tonghe Wang , Songpu Ai , Junwei Cao

Supply chain traceability refers to product tracking from the source to customers, demanding transparency, authenticity, and high efficiency. In recent years, blockchain has been widely adopted in supply chain traceability to provide…

Distributed, Parallel, and Cluster Computing · Computer Science 2022-10-18 Hanqing Wu , Shan Jiang , Jiannong Cao

Deploying million-token Large Language Models (LLMs) is challenging because production workloads are highly heterogeneous, mixing short queries and long documents. This heterogeneity, combined with the quadratic complexity of attention,…

Training Long-Context Large Language Models (LLMs) is challenging, as hybrid training with long-context and short-context data often leads to workload imbalances. Existing works mainly use data packing to alleviate this issue, but fail to…

Machine Learning · Computer Science 2025-10-14 Yongqiang Yao , Jingru Tan , Kaihuan Liang , Feizhao Zhang , Jiahao Hu , Shuo Wu , Yazhe Niu , Ruihao Gong , Dahua Lin , Ningyi Xu

We present and characterize a modular, open-source system to perform feedback control experiments on configurations of atoms and molecules in arrays of optical tweezers. The system features a modular, cost-effective computer architecture…

As multicore systems continue to gain ground in the High Performance Computing world, linear algebra algorithms have to be reformulated or new algorithms have to be developed in order to take advantage of the architectural features on these…

Mathematical Software · Computer Science 2008-06-12 Alfredo Buttari , Julien Langou , Jakub Kurzak , Jack Dongarra

This paper introduces OPTIMUM-DERAM, a highly consistent, scalable, secure, and decentralized shared memory solution. Traditional distributed shared memory implementations offer multi-object support by multi-threading a single object memory…

Distributed, Parallel, and Cluster Computing · Computer Science 2026-01-21 Nicolas Nicolaou , Kishori M. Konwar , Moritz Grundei , Aleksandr Bezobchuk , Muriel Médard , Sriram Vishwanath

Achieving the serializable isolation level, regarded as the gold standard for transaction processing, is costly. Recent studies reveal that adjusting specific query patterns within a workload can still achieve serializability even at lower…

Databases · Computer Science 2025-02-04 Qiyu Zhuang , Wei Lu , Shuang Liu , Yuxing Chen , Xinyue Shi , Zhanhao Zhao , Yipeng Sun , Anqun Pan , Xiaoyong Du

Hyperledger Fabric is a popular permissioned blockchain system that features a highly modular and extensible system for deploying permissioned blockchains which are expected to have a major effect on a wide range of sectors. Unlike…

Distributed, Parallel, and Cluster Computing · Computer Science 2023-01-18 Helmi Trabelsi , Kaiwen Zhang