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Byte-addressable non-volatile main memory (NVM) demands transactional mechanisms to access and manipulate data on NVM atomically. Those transaction mechanisms often employ a logging mechanism (undo logging or redo logging). However, the…

分布式、并行与集群计算 · 计算机科学 2019-04-19 Kai Wu , Jie Ren , Dong Li

Persistent memory (PM) is an emerging class of storage technology that combines the benefits of DRAM and SSD. This characteristic inspires research on persistent objects in PM with fine-grained concurrency control. Among such objects,…

编程语言 · 计算机科学 2022-03-16 Kyeongmin Cho , Seungmin Jeon , Jeehoon Kang

Hotspots, a small set of tuples frequently read/written by a large number of transactions, cause contention in a concurrency control protocol. While a hotspot may comprise only a small fraction of a transaction's execution time,…

数据库 · 计算机科学 2021-03-19 Zhihan Guo , Kan Wu , Cong Yan , Xiangyao Yu

Database Management Systems (DBMSs) are crucial for efficient data management and analytics, and are used in several different application domains. Due to the increasing volume of data a DBMS deals with, current processor-centric…

硬件体系结构 · 计算机科学 2025-04-03 Manos Frouzakis , Juan Gómez-Luna , Geraldo F. Oliveira , Mohammad Sadrosadati , Onur Mutlu

Byte-addressable non-volatile memory (NVRAM) supports persistent storage with low latency and high bandwidth. Complex data structures in it ought to be updated transactionally, so that they remain recoverable at all times. Traditional…

分布式、并行与集群计算 · 计算机科学 2020-07-01 Thorsten Schütt , Florian Schintke , Jan Skrzypczak

The exponential explosion of parallel interleavings remains a fundamental challenge to model checking of concurrent programs. Both partial-order reduction (POR) and transaction reduction (TR) decrease the number of interleavings in a…

计算机科学中的逻辑 · 计算机科学 2018-02-09 Alfons Laarman

Modern hash table designs strive to minimize space while maximizing speed. The most important factor in speed is the number of cache lines accessed during updates and queries. This is especially important on PMEM, which is slower than DRAM…

数据结构与算法 · 计算机科学 2022-10-13 Prashant Pandey , Michael A. Bender , Alex Conway , Martín Farach-Colton , William Kuszmaul , Guido Tagliavini , Rob Johnson

Groundhog is a novel design for a smart contract execution engine based around concurrent execution of blocks of transactions. Unlike prior work, transactions within a block in Groundhog are not ordered relative to one another. Instead, our…

分布式、并行与集群计算 · 计算机科学 2024-04-05 Geoffrey Ramseyer , David Mazières

The number of processing elements (PEs) in a fixed-sized systolic accelerator is well matched for large and compute-bound DNNs; whereas, memory-bound DNNs suffer from PE underutilization and fail to achieve peak performance and energy…

信号处理 · 电气工程与系统科学 2020-06-29 Nandan Kumar Jha , Shreyas Ravishankar , Sparsh Mittal , Arvind Kaushik , Dipan Mandal , Mahesh Chandra

In this paper, we propose StruM, a novel structured mixed-precision-based deep learning inference method, co-designed with its associated hardware accelerator (DPU), to address the escalating computational and memory demands of deep…

硬件体系结构 · 计算机科学 2025-05-20 Michael Wu , Arnab Raha , Deepak A. Mathaikutty , Martin Langhammer , Engin Tunali , Daksha Sharma

Decoder-only Transformer models such as GPT have demonstrated exceptional performance in text generation, by autoregressively predicting the next token. However, the efficacy of running GPT on current hardware systems is bounded by low…

硬件体系结构 · 计算机科学 2024-04-16 Yuting Wu , Ziyu Wang , Wei D. Lu

Causal consistency is an attractive consistency model for replicated data stores. It is provably the strongest model that tolerates partitions, it avoids the long latencies associated with strong consistency, and, especially when using…

分布式、并行与集群计算 · 计算机科学 2018-03-13 Diego Didona , Rachid Guerraoui , Jingjing Wang , Willy Zwaenepoel

Transformers are the driving force behind today's Large Language Models (LLMs), serving as the foundation for their performance and versatility. Yet, their compute and memory costs grow with sequence length, posing scalability challenges…

Static Random Access Memory (SRAM) Physically Unclonable Functions (PUFs) make use of intrinsic manufacturing variations in memory cells to derive device-unique responses. Employing such hardware-rooted fingerprints for authentication, this…

密码学与安全 · 计算机科学 2026-04-20 Florian Lehn , Pascal Ahr , Hans D. Schotten

An urgent demand of deploying BFT consensus over the Internet is raised for implementing blockchain services. The deterministic (partial) synchronous protocols can be simple and fast in good network conditions, but are subject to…

密码学与安全 · 计算机科学 2022-09-02 Yuan Lu , Zhenliang Lu , Qiang Tang

The Intel Optane DC Persistent Memory (DCPM) is an attractive novel technology for building storage systems for data intensive HPC applications, as it provides lower cost per byte, low standby power and larger capacities than DRAM, with…

Fine-tuning large language models (LLMs) remains resource-intensive due to their sheer scale. While zeroth-order (ZO) optimization provides a memory-efficient alternative by eliminating backward passes, its application to…

机器学习 · 计算机科学 2025-07-08 Liangyu Wang , Huanyi Xie , Di Wang

Persistent Memory (PM) is non-volatile byte-addressable memory that offers read and write latencies in the order of magnitude smaller than flash storage, such as SSDs. This survey discusses how file systems address the most prominent…

操作系统 · 计算机科学 2023-10-05 Wiebe van Breukelen , Animesh Trivedi

Processing-in-Memory (PIM) architectures offer promising solutions for efficiently handling AI applications in energy-constrained edge environments. While traditional PIM designs enhance performance and energy efficiency by reducing data…

硬件体系结构 · 计算机科学 2025-12-09 Sangmin Jeon , Kangju Lee , Kyeongwon Lee , Woojoo Lee

The growing disparity between computational power and on-chip communication bandwidth is a critical bottleneck in modern Systems-on-Chip (SoCs), especially for data-parallel workloads like AI. Efficient point-to-multipoint (P2MP) data…

硬件体系结构 · 计算机科学 2025-12-22 Yunhao Deng , Fanchen Kong , Xiaoling Yi , Ryan Antonio , Marian Verhelst