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Related papers: TWA -- Ticket Locks Augmented with a Waiting Array

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The random access methods used for support of machine-type communications (MTC) in current cellular standards are derivatives of traditional framed slotted ALOHA and therefore do not support high user loads efficiently. Motivated by the…

Information Theory · Computer Science 2012-07-03 Nuno K. Pratas , Henning Thomsen , Cedomir Stefanovic , Petar Popovski

Designers of modern reader-writer locks confront a difficult trade-off related to reader scalability. Locks that have a compact memory representation for active readers will typically suffer under high intensity read-dominated workloads…

Operating Systems · Computer Science 2019-07-11 David Dice , Alex Kogan

Graph Neural Networks (GNNs) demonstrate superior performance in various graph learning tasks, yet their wider real-world application is hindered by the computational overhead when applied to large-scale graphs. To address the issue, the…

Machine Learning · Computer Science 2024-12-11 Yanwei Yue , Guibin Zhang , Haoran Yang , Dawei Cheng

Quantization-aware training (QAT) receives extensive popularity as it well retains the performance of quantized networks. In QAT, the contemporary experience is that all quantized weights are updated for an entire training process. In this…

Computer Vision and Pattern Recognition · Computer Science 2023-07-27 Yunshan Zhong , Gongrui Nan , Yuxin Zhang , Fei Chao , Rongrong Ji

Random Access (RA) Medium Access (MAC) protocols are simple and effective when the nature of the traffic is unpredictable and random. In the following paper, a novel RA protocol called Enhanced Contention Resolution ALOHA (ECRA) is…

Information Theory · Computer Science 2012-11-22 Federico Clazzer , Christian Kissling

Contention tree algorithm is initially invented as a solution to improve the stable throughput problem of Slotted ALOHA in multiple access schemes. Even though the throughput is stabilized in tree algorithms, the delay of requests may grow…

Information Theory · Computer Science 2017-08-01 Murat Gürsu , Alberto Martínez Alba , Wolfgang Kellerer

We propose and experimentally evaluate a novel method that dynamically changes the contention window of access points based on system load to improve performance in a dense Wi-Fi deployment. A key feature is that no MAC protocol changes,…

Networking and Internet Architecture · Computer Science 2019-12-17 Thomas Sandholm , Bernardo Huberman , Belal Hamzeh , Scott Clearwater

Miners in a blockchain system are suffering from ever-increasing storage costs, which in general have not been properly compensated by the users' transaction fees. This reduces the incentives for the miners' participation and may jeopardize…

Computer Science and Game Theory · Computer Science 2021-08-24 Yunshu Liu , Zhixuan Fang , Man Hon Cheung , Wei Cai , Jianwei Huang

A significant impediment to high performance in key-value stores is the high cost of thread switching or stalls. While there are many sources for this, a major one is the contention for resources. And this cost increases with load as…

Databases · Computer Science 2026-01-05 David Lomet , Rui Wang

The discrete truncated Wigner approximation (DTWA) is a powerful tool for analyzing dynamics of quantum spin systems. Since the DTWA includes the leading-order quantum corrections to a mean-field approximation, it is naturally expected that…

Quantum Gases · Physics 2021-01-27 Masaya Kunimi , Kazuma Nagao , Shimpei Goto , Ippei Danshita

We present a systematic approach for the semiclassical treatment of many-body dynamics of interacting, open spin systems. Our approach overcomes some of the shortcomings of the recently developed discrete truncated Wigner approximation…

Quantum Physics · Physics 2022-12-01 Christopher D. Mink , David Petrosyan , Michael Fleischhauer

This paper presents the Traffic Adaptive Moving-window Patrolling Algorithm (TAMPA), designed to improve real-time incident management during major events like sports tournaments and concerts. Such events significantly stress transportation…

Optimization and Control · Mathematics 2025-04-22 Haozhe Lei , Ya-Ting Yang , Tao Li , Zilin Bian , Fan Zuo , Sundeep Rangan , Kaan Ozbay

Network pruning is a method for reducing test-time computational resource requirements with minimal performance degradation. Conventional wisdom of pruning algorithms suggests that: (1) Pruning methods exploit information from training data…

Machine Learning · Computer Science 2020-10-23 Jingtong Su , Yihang Chen , Tianle Cai , Tianhao Wu , Ruiqi Gao , Liwei Wang , Jason D. Lee

Linear attention replaces the unbounded cache of softmax attention with a fixed-size recurrent state, reducing sequence mixing to linear time and decoding to constant memory. The hard part is not just what to forget, but how to edit this…

Artificial Intelligence · Computer Science 2026-05-22 Ali Hatamizadeh , Yejin Choi , Jan Kautz

Many real-world problems can be formulated as a constrained Traveling Salesman Problem (TSP). However, the constraints are always complex and numerous, making the TSPs challenging to solve. When the number of complicated constraints grows,…

Artificial Intelligence · Computer Science 2024-03-11 Jingxiao Chen , Ziqin Gong , Minghuan Liu , Jun Wang , Yong Yu , Weinan Zhang

Transformer-based LLMs have achieved exceptional performance across a wide range of NLP tasks. However, the standard self-attention mechanism suffers from quadratic time complexity and linearly increased cache size. Sliding window attention…

Computation and Language · Computer Science 2025-01-03 Yixing Xu , Shivank Nag , Dong Li , Lu Tian , Emad Barsoum

Tree-reweighted max-product (TRW) message passing is a modified form of the ordinary max-product algorithm for attempting to find minimal energy configurations in Markov random field with cycles. For a TRW fixed point satisfying the strong…

Artificial Intelligence · Computer Science 2012-07-09 Vladimir Kolmogorov , Martin Wainwright

The lottery ticket hypothesis suggests that sparse, sub-networks of a given neural network, if initialized properly, can be trained to reach comparable or even better performance to that of the original network. Prior works in lottery…

Machine Learning · Computer Science 2021-02-01 Neha Mukund Kalibhat , Yogesh Balaji , Soheil Feizi

The Lottery Ticket Hypothesis suggests that an over-parametrized network consists of ``lottery tickets'', and training a certain collection of them (i.e., a subnetwork) can match the performance of the full model. In this paper, we study…

Machine Learning · Computer Science 2021-06-09 Chen Liang , Simiao Zuo , Minshuo Chen , Haoming Jiang , Xiaodong Liu , Pengcheng He , Tuo Zhao , Weizhu Chen

The lottery ticket hypothesis has sparked the rapid development of pruning algorithms that aim to reduce the computational costs associated with deep learning during training and model deployment. Currently, such algorithms are primarily…

Machine Learning · Computer Science 2022-06-08 Jonas Fischer , Rebekka Burkholz