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Memory-intensive applications, such as in-memory databases, caching systems and key-value stores, are increasingly demanding larger main memory to fit their working sets. Conventional swapping can enlarge the memory capacity by paging out…

操作系统 · 计算机科学 2021-07-30 Kan Zhong , Wenlin Cui , Youyou Lu , Quanzhang Liu , Xiaodan Yan , Qizhao Yuan , Siwei Luo , Keji Huang

The advent of RoCE (RDMA over Converged Ethernet) has led to a significant increase in the use of RDMA in datacenter networks. To achieve good performance, RoCE requires a lossless network which is in turn achieved by enabling Priority Flow…

网络与互联网体系结构 · 计算机科学 2018-06-22 Radhika Mittal , Alexander Shpiner , Aurojit Panda , Eitan Zahavi , Arvind Krishnamurthy , Sylvia Ratnasamy , Scott Shenker

With the advent of byte-addressable memory devices, such as CXL memory, persistent memory, and storage-class memory, tiered memory systems have become a reality. Page migration is the de facto method within operating systems for managing…

操作系统 · 计算机科学 2024-06-19 Lingfeng Xiang , Zhen Lin , Weishu Deng , Hui Lu , Jia Rao , Yifan Yuan , Ren Wang

Scalable persistent memory (PM) has opened up new opportunities for building indexes that operate and persist data directly on the memory bus, potentially enabling instant recovery, low latency and high throughput. When real PM hardware…

数据库 · 计算机科学 2022-07-29 Yuliang He , Duo Lu , Kaisong Huang , Tianzheng Wang

Despite the impressive search rate of one key per clock cycle, the update stage of a random-access-memory-based content-addressable-memory (RAM-based CAM) always suffers high latency. Two primary causes of such latency include: (1) the…

硬件体系结构 · 计算机科学 2018-06-28 Xuan-Thuan Nguyen , Trong-Thuc Hoang , Hong-Thu Nguyen , Katsumi Inoue , Cong-Kha Pham

Recently DRAM-based PIMs (processing-in-memories) with unmodified cell arrays have demonstrated impressive performance for accelerating AI applications. However, due to the very restrictive hardware constraints, PIM remains an accelerator…

硬件体系结构 · 计算机科学 2023-10-17 Jaewoo Park , Sugil Lee , Jongeun Lee

Compute-in-memory (PIM) mitigates the memory wall by performing computation within memory, reducing data movement and improving energy efficiency. DRAM-based PIM is particularly attractive due to its high density, mature manufacturing…

硬件体系结构 · 计算机科学 2026-05-26 Siddhartha Raman Sundara Raman , Siyuan Ma , Lizy Kurian John

3D NAND flash memory with advanced multi-level cell techniques provides high storage density, but suffers from significant performance degradation due to a large number of read-retry operations. Although the read-retry mechanism is…

硬件体系结构 · 计算机科学 2021-04-21 Jisung Park , Myungsuk Kim , Myoungjun Chun , Lois Orosa , Jihong Kim , Onur Mutlu

The speed of modern digital systems is severely limited by memory latency (the ``Memory Wall'' problem). Data exchange between Logic and Memory is also responsible for a large part of the system energy consumption. Logic--In--Memory (LiM)…

硬件体系结构 · 计算机科学 2023-04-14 Fabrizio Ottati , Giovanna Turvani , Marco Vacca , Guido Masera

The widespread integration of embedded systems across various industries has facilitated seamless connectivity among devices and bolstered computational capabilities. Despite their extensive applications, embedded systems encounter…

密码学与安全 · 计算机科学 2024-04-16 Sreenitha Kasarapu , Sathwika Bavikadi , Sai Manoj Pudukotai Dinakarrao

Rate-splitting multiple access (RSMA) has been proven as an effective communication scheme for 5G and beyond. However, current approaches to RSMA resource management require complicated iterative algorithms, which cannot meet the stringent…

信息论 · 计算机科学 2024-11-07 Hanwen Zhang , Mingzhe Chen , Alireza Vahid , Feng Ye , Haijian Sun

Memory-centric computing aims to enable computation capability in and near all places where data is generated and stored. As such, it can greatly reduce the large negative performance and energy impact of data access and data movement, by…

硬件体系结构 · 计算机科学 2024-12-30 Onur Mutlu , Ataberk Olgun , Geraldo F. Oliveira , Ismail Emir Yuksel

Non-volatile memory (NVM) is a promising technology for low-energy and high-capacity main memory of computers. The characteristics of NVM devices, however, tend to be fundamentally different from those of DRAM (i.e., the memory device…

分布式、并行与集群计算 · 计算机科学 2020-01-08 Atsushi Koshiba , Takahiro Hirofuchi , Ryousei Takano , Mitaro Namiki

System-level routers that intercept LLM requests for safety classification, domain routing, and PII detection must be both fast and operationally lightweight: they should add minimal latency to every request, yet not require a dedicated GPU…

计算与语言 · 计算机科学 2026-03-16 Xunzhuo Liu , Bowei He , Xue Liu , Andy Luo , Haichen Zhang , Huamin Chen

In recent years, there is an increasing demand of big memory systems so to perform large scale data analytics. Since DRAM memories are expensive, some researchers are suggesting to use other memory systems such as non-volatile memory (NVM)…

性能 · 计算机科学 2016-10-03 Gaoying Ju , Yongkun Li , Yinlong Xu , Jiqiang Chen , John C. S. Lui

Serverless computing promises enhanced resource efficiency and lower user costs, yet is burdened by a heavyweight, CPU-bound data plane. Prior efforts exploiting shared memory reduce overhead locally but fall short when scaling across…

网络与互联网体系结构 · 计算机科学 2025-05-19 Shixiong Qi , Songyu Zhang , K. K. Ramakrishnan , Diman Z. Tootaghaj , Hardik Soni , Puneet Sharma

Solid-state drives (SSDs) are well suited for near-data processing (NDP) because they: (1) store large application datasets, and (2) support three NDP paradigms: in-storage processing (ISP), processing using DRAM in the SSD (PuD-SSD), and…

Neural Network (NN) accelerators with emerging ReRAM (resistive random access memory) technologies have been investigated as one of the promising solutions to address the \textit{memory wall} challenge, due to the unique capability of…

新兴技术 · 计算机科学 2019-01-30 Yu Ji , Youyang Zhang , Xinfeng Xie , Shuangchen Li , Peiqi Wang , Xing Hu , Youhui Zhang , Yuan Xie

Data movement between memory and processors is a major bottleneck in modern computing systems. The processing-in-memory (PIM) paradigm aims to alleviate this bottleneck by performing computation inside memory chips. Real PIM hardware (e.g.,…

硬件体系结构 · 计算机科学 2023-10-04 Jinfan Chen , Juan Gómez-Luna , Izzat El Hajj , Yuxin Guo , Onur Mutlu

After nearly a decade of anticipation, scalable nonvolatile memory DIMMs are finally commercially available with the release of Intel's 3D XPoint DIMM. This new nonvolatile DIMM supports byte-granularity accesses with access times on the…

分布式、并行与集群计算 · 计算机科学 2019-08-13 Jian Yang , Juno Kim , Morteza Hoseinzadeh , Joseph Izraelevitz , Steven Swanson