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In a practical Byzantine fault tolerance (PBFT) blockchain network, the voting nodes may always leave the network while some new nodes can also enter the network, thus the number of voting nodes is constantly changing. Such a new PBFT with…

Performance · Computer Science 2022-10-26 Yan-Xia Chang , Quan-Lin Li , Qing Wang , Xing-Shuo Song

Traditional Byzantine Fault Tolerance (BFT) state machine replication protocols assume a partial synchrony model, leading to a design where a leader replica drives the protocol and is replaced after a timeout. Recently, we witnessed a surge…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-07-23 Diogo S. Antunes , Afonso N. Oliveira , André Breda , Matheus Guilherme Franco , Henrique Moniz , Rodrigo Rodrigues

We present a parallelized primal-dual algorithm for solving constrained convex optimization problems. The algorithm is "block-based," in that vectors of primal and dual variables are partitioned into blocks, each of which is updated only by…

Optimization and Control · Mathematics 2020-09-01 Katherine Hendrickson , Matthew Hale

The recent surge of blockchain systems has renewed the interest in traditional Byzantine fault-tolerant consensus protocols. Many such consensus protocols have a primary-backup design in which an assigned replica, the primary, is…

Distributed, Parallel, and Cluster Computing · Computer Science 2019-08-07 Suyash Gupta , Jelle Hellings , Mohammad Sadoghi

As large language models (LLMs) become increasingly powerful, the sequential nature of autoregressive generation creates a fundamental throughput bottleneck that limits the practical deployment. While Multi-Token Prediction (MTP) has…

Machine Learning · Computer Science 2025-09-24 Yuxuan Cai , Xiaozhuan Liang , Xinghua Wang , Jin Ma , Haijin Liang , Jinwen Luo , Xinyu Zuo , Lisheng Duan , Yuyang Yin , Xi Chen

To address the communication bottleneck problem in distributed optimization within a master-worker framework, we propose LocalNewton, a distributed second-order algorithm with local averaging. In LocalNewton, the worker machines update…

Distributed, Parallel, and Cluster Computing · Computer Science 2021-05-18 Vipul Gupta , Avishek Ghosh , Michal Derezinski , Rajiv Khanna , Kannan Ramchandran , Michael Mahoney

Dynamic computation has emerged as a promising avenue to enhance the inference efficiency of deep networks. It allows selective activation of computational units, leading to a reduction in unnecessary computations for each input sample.…

Computer Vision and Pattern Recognition · Computer Science 2024-02-21 Yizeng Han , Zeyu Liu , Zhihang Yuan , Yifan Pu , Chaofei Wang , Shiji Song , Gao Huang

Basic block reordering is an important step for profile-guided binary optimization. The state-of-the-art goal for basic block reordering is to maximize the number of fall-through branches. However, we demonstrate that such orderings may…

Programming Languages · Computer Science 2020-04-14 Andy Newell , Sergey Pupyrev

Since the inception of Bitcoin, the distributed systems community has shown interest in the design of efficient blockchain systems. However, initial blockchain applications (like Bitcoin) attain very low throughput, which has promoted the…

Databases · Computer Science 2020-04-28 Suyash Gupta , Sajjad Rahnama , Mohammad Sadoghi

We describe \emph{Fantom}, a framework for asynchronous distributed systems. \emph{Fantom} is based on the Lachesis Protocol~\cite{lachesis01}, which uses asynchronous event transmission for practical Byzantine fault tolerance (pBFT) to…

Distributed, Parallel, and Cluster Computing · Computer Science 2018-10-25 Sang-Min Choi , Jiho Park , Quan Nguyen , Andre Cronje

Today's practical, high performance Byzantine Fault Tolerant (BFT) consensus protocols operate in the partial synchrony model. However, existing protocols are inefficient when deployments are indeed partially synchronous. They deliver…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-01-22 Neil Giridharan , Florian Suri-Payer , Ittai Abraham , Lorenzo Alvisi , Natacha Crooks

Scheduling fast uplink grant transmissions for machine type communications (MTCs) is one of the main challenges of future wireless systems. In this paper, a novel fast uplink grant scheduling method based on the theory of multi-armed…

Information Theory · Computer Science 2018-11-01 Samad Ali , Aidin Ferdowsi , Walid Saad , Nandana Rajatheva , Jussi Haapola

Binarized Neural Networks (BNNs) significantly reduce the computation and memory demands with binarized weights and activations compared to full-precision NNs. Executing a layer in a BNN on different devices of a heterogeneous…

Distributed, Parallel, and Cluster Computing · Computer Science 2023-01-13 Leonard David Bereholschi , Ching-Chi Lin , Mikail Yayla , Jian-Jia Chen

Building consensus sequences based on distributed, fault-tolerant consensus, as used for replicated state machines, typically requires a separate distributed state for every new consensus instance. Allocating and maintaining this state…

Distributed, Parallel, and Cluster Computing · Computer Science 2020-04-02 Jan Skrzypczak , Florian Schintke , Thorsten Schütt

The purpose of offline multi-task reinforcement learning (MTRL) is to develop a unified policy applicable to diverse tasks without the need for online environmental interaction. Recent advancements approach this through sequence modeling,…

Machine Learning · Computer Science 2024-11-05 Ziqing Fan , Shengchao Hu , Yuhang Zhou , Li Shen , Ya Zhang , Yanfeng Wang , Dacheng Tao

Recent developments in blockchain technology have inspired innovative new designs in resilient distributed and database systems. At their core, these blockchain applications typically use Byzantine fault-tolerant consensus protocols to…

Databases · Computer Science 2020-03-20 Suyash Gupta , Sajjad Rahnama , Jelle Hellings , Mohammad Sadoghi

Blockchain technology has been proposed as a new infrastructure technology for a wide variety of novel applications. Blockchains provide an immutable record of transactions, making them useful when business actors do not trust each other.…

Distributed, Parallel, and Cluster Computing · Computer Science 2019-08-27 Joerg Evermann , Henry Kim

To maximize performance, many modern blockchain systems rely on eventually-synchronous, Byzantine fault-tolerant (BFT) consensus protocols. Two protocol designs have emerged in this space: protocols that minimize latency using a leader that…

Distributed, Parallel, and Cluster Computing · Computer Science 2026-01-21 Qianyu Yu , Giuliano Losa , Nibesh Shrestha , Xuechao Wang

The widespread adoption of LLMs has driven an exponential rise in their deployment, imposing substantial demands on inference clusters. These clusters must handle numerous concurrent queries for different LLM downstream tasks. To handle…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-11-14 Nikoleta Iliakopoulou , Jovan Stojkovic , Chloe Alverti , Tianyin Xu , Hubertus Franke , Josep Torrellas

Modern cloud platforms increasingly host large-scale deep learning (DL) workloads, demanding high-throughput, low-latency GPU scheduling. However, the growing heterogeneity of GPU clusters and limited visibility into application…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-12-12 Shruti Dongare , Redwan Ibne Seraj Khan , Hadeel Albahar , Nannan Zhao , Diego Melendez Maita , Ali R. Butt