Article
Multidisciplinary Sciences
Mahsa Mohtashami, Mohammad Khalily-Dermany
Summary: This paper investigates the implementation of RBSD system in QCA and proposes two new gate structures and a novel half-adder structure. Through performance analysis and comparison with other studies, the proposed structures are proven to have better performance in terms of cell count, area, latency, etc.
ARABIAN JOURNAL FOR SCIENCE AND ENGINEERING
(2022)
Article
Multidisciplinary Sciences
Udayan S. Patankar, Miguel E. Flores, Ants Koel
Summary: This article introduces the state-of-the-art USP-Awadhoot algorithm for improving area-critical electronic applications. The algorithm can be flexibly implemented as a restoring or nonrestoring algorithm. The implementation example demonstrates the use of the Baudhayan-Pythagoras triplet method in conjunction with the USP-Awadhoot divider. The proposed divider is divided into three parts: preprocessing circuit stage, processing circuit stage, and postprocessing circuit stage.
SCIENTIFIC REPORTS
(2023)
Article
Computer Science, Hardware & Architecture
Zhehe Wang, Yunfu Shen, Shuang Li, Shuxin Wang
Summary: In this paper, a fine-grained fast parallel genetic algorithm based on a ternary optical computer is proposed. The algorithm, demonstrated by solving the traveling salesman problem, takes advantage of the parallelizability and power-efficient characteristics of ternary optical computers. The theoretical analysis and experimental results show that the proposed algorithm performs efficiently as the size of the problem increases, providing a theoretical foundation for the application of ternary optical computers in data-intensive computing.
JOURNAL OF SUPERCOMPUTING
(2023)
Article
Computer Science, Hardware & Architecture
Zixuan Liu, Xiaoyu Song, Zhuowei Wang, Yan Wang, Jian-Tao Zhou
Summary: This paper proposes an algebraic method for computing the quotient digit selection tables. The method characterizes the quotient digit selection functions and computes the truncations of the remainder and divisor. It can be applied in the design phase of SRT division and square root.
IEEE TRANSACTIONS ON COMPUTERS
(2023)
Article
Mathematics
Javad Golzarpoor, Dilan Ahmed, Stanford Shateyi
Summary: In this paper, an improved mid-point method is proposed for finding the square root of a matrix and its inverse. Numerical simulations demonstrate the effectiveness and accuracy of the method for matrices of various sizes.
Article
Engineering, Electrical & Electronic
Shilei Zhao, Hai Huang, Zhiwei Liu, Bin Yu, Bo Yu
Summary: In this paper, a novel radix-2 Montgomery modular multiplier and architecture for high speed and low ATP implementation are proposed. The use of SSDA and a detecting and skipping mechanism effectively reduce the number of addition rounds, leading to higher speed and lower hardware cost.
MICROELECTRONICS JOURNAL
(2021)
Article
Mathematics, Applied
B. V. Rajarama Bhat, Chaitanya Gopalakrishna
Summary: This study provides new characterizations for detecting the non-existence of square roots for self-maps on arbitrary sets. It proves the density of continuous self-maps with no square roots in the space of all continuous self-maps for various topological spaces. The study also shows that every continuous self-map on a space homeomorphic to the unit cube in R-m with a fixed point on the boundary can be approximated by iterative squares of continuous self-maps.
ERGODIC THEORY AND DYNAMICAL SYSTEMS
(2023)
Article
Optics
Yunfu Shen, Sulan Zhang, Zhehe Wang, Weimin Li
Summary: This paper proposes a parallel carry-free radix-4 MSD iterative division algorithm based on TOP, which can improve the efficiency of multi-bit parallel division. Experimental results show that compared to traditional radix-2 bitwise division, the required clock cycles are reduced by half.
OPTICS COMMUNICATIONS
(2021)
Article
Chemistry, Analytical
Ali Abdullah Yahya, Jieqing Tan, Min Hu
Summary: The paper proposes four contributions: calculating the effective receptive field to select filter size, data preparation to avoid misleading results, data augmentation to reduce errors, and adding noise to simulate real-world influences.
Article
Mathematics, Applied
Gabriela Ioana Usurelu, Andreea Bejenaru, Mihai Postolache
Summary: This paper introduces new Newton-like methods for solving the root-finding problem in the complex plane, and provides convergence tests for these methods. It also analyzes the stability and data dependence of the Thakur iterative process, and explores modified Thakur iteration procedures using polynomiographic techniques.
INTERNATIONAL JOURNAL OF COMPUTER MATHEMATICS
(2021)
Article
Computer Science, Hardware & Architecture
Rui Xiao, Yewei Zhang, Bo Wang, Yanfeng Xu, Jicong Fan, Haibin Shen, Kejie Huang
Summary: Data transfer bottleneck in AI computing systems has led to the emergence of computing in memory (CIM) as a promising solution for reducing latency and power consumption. However, conventional analog CIM schemes suffer from reliability issues. This article presents a low-power CIM scheme that utilizes modified radix-4 (M-RD4) Booth algorithm and modified canonical signed digit (M-CSD) for input and network weights, resulting in reduced power consumption and improved efficiency.
IEEE TRANSACTIONS ON VERY LARGE SCALE INTEGRATION (VLSI) SYSTEMS
(2023)
Article
Engineering, Multidisciplinary
Sajjad Haider Bhatti, Muhammad Irfan, Muhammad Azeem, Maria Javed, Muhammad Ali Raza
Summary: The article proposes new modified estimators for parameter estimation of the Power Function distribution, which is suitable for modeling failure times of electric components and devices. The performance of these estimators is compared with existing traditional and modified estimators using Monte Carlo simulation and real-life examples. The results indicate that the proposed modified estimators outperform the competing estimators, providing more precise parameter estimates for the distribution commonly applied in modeling failure times.
QUALITY AND RELIABILITY ENGINEERING INTERNATIONAL
(2023)
Article
Environmental Sciences
Yansuo Zhang, Shubi Zhang, Yandong Gao, Shijin Li, Yikun Jia, Minggeng Li
Summary: This article proposes an adaptive square-root unscented Kalman filter PU method to overcome the difficulties of phase unwrapping in regions with large gradient changes and high noise. Experimental results demonstrate its effectiveness and improvement over existing algorithms.
Article
Engineering, Electrical & Electronic
Shuanghu Qiao, Yunsheng Fan, Guofeng Wang, Dongdong Mu, Zhiping He
Summary: This paper proposes a simplified strong tracking square-root modified sliding window variational adaptive Kalman filter to address the performance deterioration of the Kalman filter in the presence of slowly time-varying and unknown measurement and process noise covariances. The proposed algorithm includes a modified sliding window variational adaptive Kalman filtering that corrects and smooths the previous states based on the latter states, reducing backward iterations and improving filtering accuracy and computational efficiency. Multiple fading factors are constructed to correct the one-step predicted error covariance matrix. The simulation results demonstrate that the proposed algorithm outperforms existing filters in tracking capacity and filtering accuracy of the one-step predicted error covariance matrix.
Article
Computer Science, Information Systems
Luis Parrilla, Antonio Lloris, Encarnacion Castillo, Antonio Garcia
Summary: Restrictions in IoT devices and AI processing systems make it necessary to find a balance between precision and area in arithmetic operations. Simple precision can save space and speed up computations when higher precision is not needed. Iterative methods like Newton-Raphson and Goldschmidt can reduce the use of memory tables. The selection of the initial value is critical for achieving reasonable precision with minimal iterations. This article proposes new hardware implementations of seed generators for Square Root and Inverse Square Root that have low-area requirements while maintaining good precision, high performance, and low power consumption.
IEEE INTERNET OF THINGS JOURNAL
(2022)