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In the era of large language models (LLMs), weight-activation quantization helps fit models on edge device by reducing memory and compute bit-widths. However, three challenges persist for energy constrained hardware: (1) even after…

机器学习 · 计算机科学 2025-10-23 Chenyu Wang , Zhanglu Yan , Zhi Zhou , Xu Chen , Weng-Fai Wong

Compute-in-Memory (CIM) and weight sparsity are two effective techniques to reduce data movement during Neural Network (NN) inference. However, they can hardly be employed in the same accelerator simultaneously because CIM requires…

硬件体系结构 · 计算机科学 2025-11-19 Weiping Yang , Shilin Zhou , Hui Xu , Yujiao Nie , Qimin Zhou , Zhiwei Li , Changlin Chen

Spiking Neural Networks (SNNs) have shown capabilities of achieving high accuracy under unsupervised settings and low operational power/energy due to their bio-plausible computations. Previous studies identified that DRAM-based off-chip…

神经与进化计算 · 计算机科学 2023-04-11 Rachmad Vidya Wicaksana Putra , Muhammad Abdullah Hanif , Muhammad Shafique

While linear attention architectures offer efficient inference, compressing unbounded history into a fixed-size memory inherently limits expressivity and causes information loss. To address this limitation, we introduce Random Access Memory…

机器学习 · 计算机科学 2026-02-13 Kaicheng Xiao , Haotian Li , Liran Dong , Guoliang Xing

In this paper, we propose a low-power hardware for efficient deployment of binarized neural networks (BNNs) that have been trained for physiological datasets. BNNs constrain weights and feature-map to 1 bit, can pack in as many 1-bit…

信号处理 · 电气工程与系统科学 2019-03-28 Morteza Hosseini , Hirenkumar Paneliya , Uttej Kallakuri , Mohit Khatwani , Tinoosh Mohsenin

Binary Neural Networks (BNNs) can significantly accelerate the inference time of a neural network by replacing its expensive floating-point arithmetic with bitwise operations. Most existing solutions, however, do not fully optimize data…

机器学习 · 计算机科学 2023-04-04 L. Vorabbi , D. Maltoni , S. Santi

In this work we investigate stochastic non-convex optimization problems where the objective is an expectation over smooth loss functions, and the goal is to find an approximate stationary point. The most popular approach to handling such…

最优化与控制 · 数学 2021-11-02 Kfir Y. Levy , Ali Kavis , Volkan Cevher

The brain performs intelligent tasks with extremely low energy consumption. This work takes inspiration from two strategies used by the brain to achieve this energy efficiency: the absence of separation between computing and memory…

In this paper, the sum capacity of the Gaussian Multiple Input Multiple Output (MIMO) Cognitive Radio Channel (MCC) is expressed as a convex problem with finite number of linear constraints, allowing for polynomial time interior point…

信息论 · 计算机科学 2008-02-29 Rajiv Soundararajan , Sriram Vishwanath

We present a new data structure called the \emph{Compressed Random Access Memory} (CRAM) that can store a dynamic string $T$ of characters, e.g., representing the memory of a computer, in compressed form while achieving asymptotically…

数据结构与算法 · 计算机科学 2015-03-17 Jesper Jansson , Kunihiko Sadakane , Wing-Kin Sung

Over the past two decades, the storage capacity and access bandwidth of main memory have improved tremendously, by 128x and 20x, respectively. These improvements are mainly due to the continuous technology scaling of DRAM (dynamic…

硬件体系结构 · 计算机科学 2017-12-25 Kevin K. Chang

Short-term load forecasting is of paramount importance in the efficient operation and planning of power systems, given its inherent non-linear and dynamic nature. Recent strides in deep learning have shown promise in addressing this…

机器学习 · 计算机科学 2023-09-20 Paapa Kwesi Quansah , Edwin Kwesi Ansah Tenkorang

In this paper, we propose a novel algorithm to optimize the energy-efficiency (EE) of orthogonal frequency division multiplexing-based cognitive radio systems under channel uncertainties. We formulate an optimization problem that guarantees…

信号处理 · 电气工程与系统科学 2019-02-11 Ebrahim Bedeer , Osama Amin , Octavia A. Dobre , Mohamed H. Ahmed , Kareem E. Baddour

DRAM-based main memories have read operations that destroy the read data, and as a result, must buffer large amounts of data on each array access to keep chip costs low. Unfortunately, system-level trends such as increased memory contention…

硬件体系结构 · 计算机科学 2018-12-18 Justin Meza , Jing Li , Onur Mutlu

This paper considers an orthogonal frequency division multiplexing (OFDM) downlink point-to-point system with simultaneous wireless information and power transfer. It is assumed that the receiver is able to harvest energy from noise,…

信息论 · 计算机科学 2016-11-18 Derrick Wing Kwan Ng , Ernest S. Lo , Robert Schober

This paper investigates the application of non-orthogonal multiple access (NOMA) in millimeter wave (mmWave) communications by exploiting beamforming, user scheduling and power allocation. Random beamforming is invoked for reducing the…

信息论 · 计算机科学 2017-05-10 Jingjing Cui , Yuanwei Liu , Zhiguo Ding , Pingzhi Fan , Arumugam Nallanathan

This paper explores adaptive variance reduction methods for stochastic optimization based on the STORM technique. Existing adaptive extensions of STORM rely on strong assumptions like bounded gradients and bounded function values, or suffer…

最优化与控制 · 数学 2024-10-24 Wei Jiang , Sifan Yang , Yibo Wang , Lijun Zhang

This paper proposes energy-efficient coordinated beamforming strategies for multi-cell multi-user multiple-input single-output system. We consider a practical power consumption model, where part of the consumed power depends on the base…

信息论 · 计算机科学 2017-10-03 Oskari Tervo , Antti Tölli , Markku Juntti , Le-Nam Tran

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)…

Spin Transfer Torque Random Access Memory (STT-RAM) has garnered interest due to its various characteristics such as non-volatility, low leakage power, high density. Its magnetic properties have a vital role in STT switching operations…

硬件体系结构 · 计算机科学 2022-08-17 Saeed Seyedfaraji , Javad Talafy Daryani , Mohamed M. Sabry Aly , Semeen Rehman