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We propose NVLog, an NVM-based write-ahead log for disk file systems, designed to transparently harness the high performance of NVM within the legacy storage stack. NVLog provides on-demand byte-granularity sync absorption, reserving the…

操作系统 · 计算机科学 2025-12-11 Guoyu Wang , Xilong Che , Haoyang Wei , Shuo Chen , Puyi He , Juncheng Hu

The continuing advancement of memory technology has not only fueled a surge in performance, but also substantially exacerbate reliability challenges. Traditional solutions have primarily focused on improving the efficiency of protection…

硬件体系结构 · 计算机科学 2025-09-09 Fan Li , Mimi Xie , Yanan Guo , Huize Li , Xin Xin

Non-volatile main memory (NVRAM) technologies provide an attractive set of features for large-scale graph analytics, including byte-addressability, low idle power, and improved memory-density. NVRAM systems today have an order of magnitude…

分布式、并行与集群计算 · 计算机科学 2020-06-01 Laxman Dhulipala , Charlie McGuffey , Hongbo Kang , Yan Gu , Guy E. Blelloch , Phillip B. Gibbons , Julian Shun

Large persistent memories such as NVDIMM have been perceived as a disruptive memory technology, because they can maintain the state of a system even after a power failure and allow the system to recover quickly. However, overheads incurred…

硬件体系结构 · 计算机科学 2021-06-29 Jie Zhang , Miryeong Kwon , Donghyun Gouk , Sungjoon Koh , Nam Sung Kim , Mahmut Taylan Kandemir , Myoungsoo Jung

Real-world applications are now processing big-data sets, often bottlenecked by the data movement between the compute units and the main memory. Near-memory computing (NMC), a modern data-centric computational paradigm, can alleviate these…

硬件体系结构 · 计算机科学 2021-06-30 Stefano Corda , Madhurya Kumaraswamy , Ahsan Javed Awan , Roel Jordans , Akash Kumar , Henk Corporaal

To mitigate the impact of noise and interference on multi-level-cell (MLC) flash memory with the use of low-density parity-check (LDPC) codes, we propose a dynamic write-voltage design scheme considering the asymmetric property of raw bit…

信号处理 · 电气工程与系统科学 2022-09-07 Runbin Cai , Yi Fang , Zhifang Shi , Lin Dai , Guojun Han

Transformers have achieved great success in a wide variety of natural language processing (NLP) tasks due to the attention mechanism, which assigns an importance score for every word relative to other words in a sequence. However, these…

机器学习 · 计算机科学 2023-03-15 Shrihari Sridharan , Jacob R. Stevens , Kaushik Roy , Anand Raghunathan

Emerging Persistent Memory technologies (also PM, Non-Volatile DIMMs, Storage Class Memory or SCM) hold tremendous promise for accelerating popular data-management applications like in-memory databases. However, programmers now need to deal…

分布式、并行与集群计算 · 计算机科学 2018-06-05 Ellis Giles , Kshitij Doshi , Peter Varman

Compute-in-memory (CiM) architectures promise significant improvements in energy efficiency and throughput for deep neural network acceleration by alleviating the von Neumann bottleneck. However, their reliance on emerging non-volatile…

机器学习 · 计算机科学 2026-03-05 Yifan Qin , Jiahao Zheng , Zheyu Yan , Wujie Wen , Xiaobo Sharon Hu , Yiyu Shi

The latest trends in high-performance computing systems show an increasing demand on the use of a large scale multicore systems in a efficient way, so that high compute-intensive applications can be executed reasonably well. However, the…

分布式、并行与集群计算 · 计算机科学 2013-02-25 Juliana M. N. Silva , Cristina Boeres , Lúcia M. A. Drummond , Artur A. Pessoa

The Aurora supercomputer is an exascale-class system designed to tackle some of the most demanding computational workloads. Equipped with both High Bandwidth Memory (HBM) and DDR memory, it provides unique trade-offs in performance,…

分布式、并行与集群计算 · 计算机科学 2025-04-07 Huda Ibeid , Vikram Narayana , Jeongnim Kim , Anthony Nguyen , Vitali Morozov , Ye Luo

Near-memory Computing (NMC) promises improved performance for the applications that can exploit the features of emerging memory technologies such as 3D-stacked memory. However, it is not trivial to find such applications and specialized…

性能 · 计算机科学 2019-06-26 Stefano Corda , Gagandeep Singh , Ahsan Javed Awan , Roel Jordans , Henk Corporaal

Parallel programmers face the often irreconcilable goals of programmability and performance. HPC systems use distributed memory for scalability, thereby sacrificing the programmability advantages of shared memory programming models.…

分布式、并行与集群计算 · 计算机科学 2013-01-21 Bharath Ramesh , Calvin J. Ribbens , Srinidhi Varadarajan

Processing-in-memory (PIM) has emerged as a promising solution for accelerating memory-intensive workloads as they provide high memory bandwidth to the processing units. This approach has drawn attention not only from the academic community…

硬件体系结构 · 计算机科学 2024-09-11 Dongjae Lee , Bongjoon Hyun , Taehun Kim , Minsoo Rhu

This paper presents a memory assessment of the next-generation Versatile Video Coding (VVC). The memory analyses are performed adopting as a baseline the state-of-the-art High-Efficiency Video Coding (HEVC). The goal is to offer insights…

多媒体 · 计算机科学 2020-06-02 Arthur Cerveira , Luciano Agostini , Bruno Zatt , Felipe Sampaio

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…

Intel OptaneTM DC Persistent Memory resides on the memory bus and approaches DRAM in access latency. One avenue for its adoption is to employ it in place of persistent storage; another is to use it as a cheaper and denser extension of DRAM.…

硬件体系结构 · 计算机科学 2022-05-30 Alexandra Fedorova , Keith Smith , Keith Bostic , Alexander Gorrod , Sue LoVerso , Michael Cahill

Deep Neural Networks (DNNs), as a subset of Machine Learning (ML) techniques, entail that real-world data can be learned and that decisions can be made in real-time. However, their wide adoption is hindered by a number of software and…

硬件体系结构 · 计算机科学 2021-09-10 Kamilya Smagulova , Mohammed E. Fouda , Fadi Kurdahi , Khaled Salama , Ahmed Eltawil

This paper introduces a novel approach in neuromorphic computing, integrating heterogeneous hardware nodes into a unified, massively parallel architecture. Our system transcends traditional single-node constraints, harnessing the neural…

硬件体系结构 · 计算机科学 2024-10-02 Murat Isik , Jonathan Naoukin , I. Can Dikmen

Neural networks (NNs) are growing in importance and complexity. A neural network's performance (and energy efficiency) can be bound either by computation or memory resources. The processing-in-memory (PIM) paradigm, where computation is…

硬件体系结构 · 计算机科学 2023-03-28 Geraldo F. Oliveira , Juan Gómez-Luna , Saugata Ghose , Amirali Boroumand , Onur Mutlu