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Phase change memory (PCM) has recently emerged as a promising technology to meet the fast growing demand for large capacity memory in computer systems, replacing DRAM that is impeded by physical limitations. Multi-level cell (MLC) PCM…

Hardware Architecture · Computer Science 2017-11-27 Seyed Mohammad Seyedzadeh , Alex K. Jones , Rami Melhem

This paper introduces a new coding algorithm for Framed Pulse Width Modulation (FPWM). The proposed algorithm requires 93% fewer look-up tables (LUTs) than the previous FPWM coding algorithm and increases a bitrate by 25%. The proposed…

Signal Processing · Electrical Eng. & Systems 2019-05-02 Soon-Won Kwon , Hyeon-Min Bae

Today's systems are overwhelmingly designed to move data to computation. This design choice goes directly against at least three key trends in systems that cause performance, scalability and energy bottlenecks: (1) data access from memory…

Hardware Architecture · Computer Science 2019-03-12 Onur Mutlu , Saugata Ghose , Juan Gómez-Luna , Rachata Ausavarungnirun

Poor DRAM technology scaling over the course of many years has caused DRAM-based main memory to increasingly become a larger system bottleneck. A major reason for the bottleneck is that data stored within DRAM must be moved across a…

Hardware Architecture · Computer Science 2018-02-02 Saugata Ghose , Kevin Hsieh , Amirali Boroumand , Rachata Ausavarungnirun , Onur Mutlu

Reversible sequential circuits are going to be the significant memory blocks for the forthcoming computing devices for their ultra low power consumption. Therefore design of various types of latches has been considered a major objective for…

Emerging Technologies · Computer Science 2014-07-29 Md. Selim Al Mamun , David Menville

We demonstrate a data-driven framework for emulating high-speed VCSEL-based 4-level Pulse Amplitude Modulation (PAM-4) optical interconnects using bidirectional Long Short-Term Memory (Bi-LSTM) networks. Unlike conventional rate-equation…

Encoder-based transformers, powered by self-attention layers, have revolutionized machine learning with their context-aware representations. However, their quadratic growth in computational and memory demands presents significant…

Machine Learning · Computer Science 2024-11-25 Donghyeon Yi , Seoyoung Lee , Jongho Kim , Junyoung Kim , Sohmyung Ha , Ik Joon Chang , Minkyu Je

We propose an enhanced spatial modulation (SM)-based scheme for indoor visible light communication systems. This scheme enhances the achievable throughput of conventional SM schemes by transmitting higher order complex modulation symbol,…

Signal Processing · Electrical Eng. & Systems 2022-01-21 Shimaa Naser , Lina Bariah , Sami Muhaidat , Mahmoud Al-Qutayri , Paschalis C. Sofotasios

With the emergence of Neural Radiance Fields (NeRF), neural implicit representations have gained widespread applications across various domains, including simultaneous localization and mapping. However, current neural implicit SLAM faces a…

Computer Vision and Pattern Recognition · Computer Science 2024-04-30 Zhiyao Zhang , Yunzhou Zhang , Yanmin Wu , Bin Zhao , Xingshuo Wang , Rui Tian

Deeply embedded systems often have the tightest constraints on energy consumption, requiring that they consume tiny amounts of current and run on batteries for years. However, they typically execute code directly from flash, instead of the…

Other Computer Science · Computer Science 2021-04-13 James Pallister , Kerstin Eder , Simon Hollis

In computer system buses, most of the energy is spent to change the voltage of each line from high to low or vice versa. Bus encoding schemes aim to improve energy efficiency by limiting the number of transitions between successive uses of…

Information Theory · Computer Science 2024-04-05 Lorenzo Valentini , Marco Chiani

The goal of this work is to minimize the energy dissipation of embedded controllers without jeopardizing the quality of control (QoC). Taking advantage of the dynamic voltage scaling (DVS) technology, this paper develops a performance-aware…

Other Computer Science · Computer Science 2008-09-30 Feng Xia , Liping Liu , Longhua Ma , Youxian Sun , Jinxiang Dong

Increasing attention is given to the upper mid-band or Frequency Range 3 (FR3), from 7 to 24 GHz, in the research towards sixth-generation (6G) networks. Promises of offering large data rates at favorable propagation conditions are leading…

Signal Processing · Electrical Eng. & Systems 2026-05-18 Emanuele Peschiera , Sangbu Yun , Youngjoo Lee , Liesbet Van der Perre , François Rottenberg

Processing-in-memory (PIM) architectures have demonstrated great potential in accelerating numerous deep learning tasks. Particularly, resistive random-access memory (RRAM) devices provide a promising hardware substrate to build PIM…

Hardware Architecture · Computer Science 2022-02-01 Weidong Cao , Yilong Zhao , Adith Boloor , Yinhe Han , Xuan Zhang , Li Jiang

Modern computing devices employ High-Bandwidth Memory (HBM) to meet their memory bandwidth requirements. An HBM-enabled device consists of multiple DRAM layers stacked on top of one another next to a compute chip (e.g. CPU, GPU, and FPGA)…

Hardware Architecture · Computer Science 2021-01-05 Seyed Saber Nabavi Larimi , Behzad Salami , Osman S. Unsal , Adrian Cristal Kestelman , Hamid Sarbazi-Azad , Onur Mutlu

The Gradient Echo Memory (GEM) scheme has potential to be a suitable protocol for storage and retrieval of optical quantum information. In this paper, we review the properties of the $\Lambda$-GEM method that stores information in the…

Quantum Physics · Physics 2015-06-04 M. Hosseini , B. M. Sparkes , G. T. Campbell , P. K. Lam , B. C. Buchler

In this letter, we propose a two-stage design method to construct memory efficient mutual information-maximizing quantized min-sum (MIM-QMS) decoder for rate-compatible low-density parity-check (LDPC) codes. We first develop a modified…

Information Theory · Computer Science 2022-01-19 Peng Kang , Kui Cai , Xuan He , Jinhong Yuan

High Bandwidth Memory with Processing-in-Memory (HBM-PIM) offers an opportunity to reduce data movement by executing computation directly inside memory, but current commercial platforms expose limited instruction sets and require…

Hardware Architecture · Computer Science 2026-05-01 Emanuele Venieri , Simone Manoni , Alberto Florian , Jaehyun Park , Kyomin Sohn , Andrea Bartolini

Non-uniform message quantization techniques such as reconstruction-computation-quantization (RCQ) improve error-correction performance and decrease hardware complexity of low-density parity-check (LDPC) decoders that use a flooding…

Signal Processing · Electrical Eng. & Systems 2021-04-20 Caleb Terrill , Linfang Wang , Sean Chen , Chester Hulse , Calvin Kuo , Richard Wesel , Dariush Divsalar

We initiate the systematic study of the energy complexity of algorithms (in addition to time and space complexity) based on Landauer's Principle in physics, which gives a lower bound on the amount of energy a system must dissipate if it…

Data Structures and Algorithms · Computer Science 2016-05-30 Erik D. Demaine , Jayson Lynch , Geronimo J. Mirano , Nirvan Tyagi