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Spin-Transfer Torque Magnetic RAM} (STT-MRAM) is a promising alternative for SRAMs in on-chip cache memories. Besides all its advantages, high error rate in STT-MRAM is a major limiting factor for on-chip cache memories. In this paper, we…

Hardware Architecture · Computer Science 2026-01-05 Elham Cheshmikhani , Hamed Farbeh , Hossein Asadi

Fault tolerance overhead of high performance computing (HPC) applications is becoming critical to the efficient utilization of HPC systems at large scale. HPC applications typically tolerate fail-stop failures by checkpointing. Another…

Distributed, Parallel, and Cluster Computing · Computer Science 2011-06-22 Erlin Yao , Mingyu Chen , Rui Wang , Wenli Zhang , Guangming Tan

High-Bandwidth Memory (HBM) delivers exceptional bandwidth and energy efficiency for AI workloads, but its high cost per bit, driven in part by stringent on-die reliability requirements, poses a growing barrier to scalable deployment. This…

Hardware Architecture · Computer Science 2025-09-04 Rui Xie , Asad Ul Haq , Yunhua Fang , Linsen Ma , Sanchari Sen , Swagath Venkataramani , Liu Liu , Tong Zhang

The cache plays a key role in determining the performance of applications, no matter for sequential or concurrent programs on homogeneous and heterogeneous architecture. Fixing cache misses requires to understand the origin and the type of…

Performance · Computer Science 2022-03-22 Jin Zhou , Steven , Tang , Hanmei Yang , Tongping Liu

Computing-in-memory (CIM) promises to alleviate the Von Neumann bottleneck and accelerate data-intensive applications. Depending on the underlying technology and configuration, CIM enables implementing compute primitives in place, such as…

Hardware Architecture · Computer Science 2024-08-01 Preston Brazzle , Benjamin F. Morris , Evan McKinney , Peipei Zhou , Jingtong Hu , Asif Ali Khan , Alex K. Jones

Rowhammer is a well-studied DRAM phenomenon wherein multiple activations to a given row can cause bit flips in adjacent rows. Many mitigation techniques have been introduced to address Rowhammer, with some support being incorporated into…

Hardware Architecture · Computer Science 2026-02-17 Maccoy Merrell , Daniel Puckett , Gino Chacon , Jeffrey Stuecheli , Stavros Kalafatis , Paul V. Gratz

Spin-Transfer Torque Magnetic RAM (STT-MRAM) as one of the most promising replacements for SRAMs in on-chip cache memories benefits from higher density and scalability, near-zero leakage power, and non-volatility, but its reliability is…

Hardware Architecture · Computer Science 2026-01-05 Elham Cheshmikhani , Hamed Farbeh , Hossein Asadi

Spin Transfer Torque MRAMs are attractive due to their non-volatility, high density and zero leakage. However, STT-MRAMs suffer from poor reliability due to shared read and write paths. Additionally, conflicting requirements for data…

Other Computer Science · Computer Science 2016-06-20 Zoha Pajouhi , Xuanyao Fong , Anand Raghunathan , Kaushik Roy

In large-scale datacenters, memory failure is a common cause of server crashes, with Uncorrectable Errors (UEs) being a major indicator of Dual Inline Memory Module (DIMM) defects. Existing approaches primarily focus on predicting UEs using…

Hardware Architecture · Computer Science 2023-12-19 Qiao Yu , Wengui Zhang , Jorge Cardoso , Odej Kao

Computational storage, known as a solution to significantly reduce the latency by moving data-processing down to the data storage, has received wide attention because of its potential to accelerate data-driven devices at the edge. To meet…

Information Theory · Computer Science 2021-03-23 Siyi Yang , Ahmed Hareedy , Robert Calderbank , Lara Dolecek

LLM inference is increasingly memory bound, and HBM cost per GB dominates system cost. Current HBM stacks include short on-die ECC that tightens binning, raises price, and fixes reliability policy inside the device. This paper asks whether…

Hardware Architecture · Computer Science 2025-12-23 Rui Xie , Yunhua Fang , Asad Ul Haq , Linsen Ma , Sanchari Sen , Swagath Venkataramani , Liu Liu , Tong Zhang

As DRAM technology continues to evolve towards smaller feature sizes and increased densities, faults in DRAM subsystem are becoming more severe. Current servers mostly use CHIPKILL based schemes to tolerate up-to one/two symbol errors per…

Hardware Architecture · Computer Science 2020-02-25 Ravikiran Yeleswarapu , Arun K. Somani

In order to achieve fault tolerance, highly reliable system often require the ability to detect errors as soon as they occur and prevent the speared of erroneous information throughout the system. Thus, the need for codes capable of…

Information Theory · Computer Science 2010-02-08 Muzhir Al-Ani , Qeethara Al-Shayea

The aggressive scaling of technology may have helped to meet the growing demand for higher memory capacity and density, but has also made DRAM cells more prone to errors. Such a reality triggered a lot of interest in modeling DRAM behavior…

Distributed, Parallel, and Cluster Computing · Computer Science 2020-03-30 Lev Mukhanov , Konstantinos Tovletoglou , Hans Vandierendonck , Dimitrios S. Nikolopoulos , Georgios Karakonstantis

Error Detection and Correction Codes (ECCs) are often used in digital designs to protect data integrity. Especially in safety-critical systems such as automotive electronics, ECCs are widely used and the verification of such complex logic…

Artificial Intelligence · Computer Science 2024-04-30 Aman Kumar

This paper summarizes our work on characterizing application memory error vulnerability to optimize datacenter cost via Heterogeneous-Reliability Memory (HRM), which was published in DSN 2014, and examines the work's significance and future…

Distributed, Parallel, and Cluster Computing · Computer Science 2018-05-11 Yixin Luo , Sriram Govindan , Bikash Sharma , Mark Santaniello , Justin Meza , Aman Kansal , Jie Liu , Badriddine Khessib , Kushagra Vaid , Onur Mutlu

Deep recommendation systems (DRS) heavily depend on specialized HPC hardware and accelerators to optimize energy, efficiency, and recommendation quality. Despite the growing number of hardware errors observed in large-scale fleet systems…

Information Retrieval · Computer Science 2023-07-21 Dongning Ma , Xun Jiao , Fred Lin , Mengshi Zhang , Alban Desmaison , Thomas Sellinger , Daniel Moore , Sriram Sankar

Human Activity Recognition (HAR) based on inertial data is an increasingly diffused task on embedded devices, from smartphones to ultra low-power sensors. Due to the high computational complexity of deep learning models, most embedded HAR…

Multi-agent LLM systems decompose workflows across agents, tools, shared context, memory, and decision gates. This modularity improves interpretability, but creates a propagation risk: a bounded perturbation to one component can be reused…

Cryptography and Security · Computer Science 2026-05-28 Md Hafizur Rahman , Zafaryab Haider , Tanzim Mahfuz , Prabuddha Chakraborty

This paper presents SHARP (Supercomputing for High-speed Avoidance and Reactive Planning), a proof-of-concept study demonstrating how high-performance computing (HPC) can enable millisecond-scale responsiveness in robotic control. While…