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Stacked intelligent metasurfaces (SIMs) have recently gained significant interest since they enable precoding in the wave domain that comes with increased processing capability and reduced energy consumption. The study of SIMs and high…

Population count (popcount) is a crucial operation for many low-complexity machine learning (ML) algorithms, including Tsetlin Machine (TM)-a promising new ML method, particularly well-suited for solving classification tasks. The inference…

Machine Learning · Computer Science 2025-05-06 Shengyu Duan , Marcos L. L. Sartori , Rishad Shafik , Alex Yakovlev , Emre Ozer

We study a class of finite state machines, called \defi{$w$-matching machines}, which yield to simulate the behavior of pattern matching algorithms while searching for a pattern $w$. They can be used to compute the asymptotic speed, i.e.…

Computational Complexity · Computer Science 2016-05-03 Gilles Didier

We consider distributed stochastic optimization problems that are solved with master/workers computation architecture. Statistical arguments allow to exploit statistical similarity and approximate this problem by a finite-sum problem, for…

With unprecedented demand for generative AI (GenAI) inference, acceleration of primitives that dominate GenAI such as general matrix-vector multiplication (GEMV) is receiving considerable attention. A challenge with GEMVs is the high memory…

Hardware Architecture · Computer Science 2024-04-02 Mohamed Assem Ibrahim , Mahzabeen Islam , Shaizeen Aga

We present a method of estimating the number of people in high density crowds from still images. The method estimates counts by fusing information from multiple sources. Most of the existing work on crowd counting deals with very small…

Computer Vision and Pattern Recognition · Computer Science 2015-07-31 Ankan Bansal , K. S. Venkatesh

The resurgence of near-memory processing (NMP) with the advent of big data has shifted the computation paradigm from processor-centric to memory-centric computing. To meet the bandwidth and capacity demands of memory-centric computing, 3D…

Hardware Architecture · Computer Science 2021-04-29 Pritam Majumder , Jiayi Huang , Sungkeun Kim , Abdullah Muzahid , Dylan Siegers , Chia-Che Tsai , Eun Jung Kim

Correlation functions are widely used in extra-galactic astrophysics to extract insights into how galaxies occupy dark matter halos and in cosmology to place stringent constraints on cosmological parameters. A correlation function…

Instrumentation and Methods for Astrophysics · Physics 2021-05-12 Manodeep Sinha , Lehman H. Garrison

We give a simple and efficient algorithm for adaptively counting inversions in a sequence of $n$ integers. Our algorithm runs in $O(n + n \sqrt{\lg{(Inv/n)}})$ time in the word-RAM model of computation, where $Inv$ is the number of…

Data Structures and Algorithms · Computer Science 2015-03-05 Amr Elmasry

Population protocols are a formal model of sensor networks consisting of identical mobile devices. Two devices can interact and thereby change their states. Computations are infinite sequences of interactions in which the interacting…

Logic in Computer Science · Computer Science 2018-07-03 Michael Blondin , Javier Esparza , Antonín Kučera

We establish efficient approximate counting algorithms for several natural problems in local lemma regimes. In particular, we consider the probability of intersection of events and the dimension of intersection of subspaces. Our approach is…

Data Structures and Algorithms · Computer Science 2025-12-12 Ryan L. Mann , Gabriel Waite

Crowd counting is a challenging task due to the large variations in crowd distributions. Previous methods tend to tackle the whole image with a single fixed structure, which is unable to handle diverse complicated scenes with different…

Computer Vision and Pattern Recognition · Computer Science 2019-08-27 Zhikang Zou , Yu Cheng , Xiaoye Qu , Shouling Ji , Xiaoxiao Guo , Pan Zhou

Recent years have seen a rapid increase in research activity in the field of DRAM-based Processing-In-Memory (PIM) accelerators, where the analog computing capability of DRAM is employed by minimally changing the inherent structure of DRAM…

Hardware Architecture · Computer Science 2023-02-16 Supreeth Mysore Shivanandamurthy , Sairam Sri Vatsavai , Ishan Thakkar , Sayed Ahmad Salehi

We develop fixed-point algorithms for the approximation of structured matrices with rank penalties. In particular we use these fixed-point algorithms for making approximations by sums of exponentials, or frequency estimation. For the basic…

Numerical Analysis · Mathematics 2016-01-07 Fredrik Andersson , Marcus Carlsson

Stochastic computing (SC) offers hardware simplicity but suffers from low throughput, while high-throughput Digital Computing-in-Memory (DCIM) is bottlenecked by costly adder logic for matrix-vector multiplication (MVM). To address this…

Hardware Architecture · Computer Science 2026-01-13 Kunming Shao , Liang Zhao , Jiangnan Yu , Zhipeng Liao , Xiaomeng Wang , Yi Zou , Tim Kwang-Ting Cheng , Chi-Ying Tsui

Optimizing Large Language Model (LLM) performance requires well-crafted prompts, but manual prompt engineering is labor-intensive and often ineffective. Automated prompt optimization techniques address this challenge but the majority of…

Computation and Language · Computer Science 2025-08-20 Ximing Dong , Shaowei Wang , Dayi Lin , Ahmed E. Hassan

Genome sequence analysis is a powerful tool in medical and scientific research. Considering the inevitable sequencing errors and genetic variations, approximate string matching (ASM) has been adopted in practice for genome sequencing.…

Large language model inference on Central Processing Units (CPU) is challenging due to the vast quantities of expensive Multiply-Add (MAD) matrix operations in the attention computations. In this paper, we argue that there is a rare gem in…

Machine Learning · Computer Science 2024-03-05 Tianyi Zhang , Jonah Wonkyu Yi , Bowen Yao , Zhaozhuo Xu , Anshumali Shrivastava

We consider the predecessor problem on the ultra-wide word RAM model of computation, which extends the word RAM model with 'ultrawords' consisting of $w^2$ bits [TAMC, 2015]. The model supports arithmetic and boolean operations on…

Data Structures and Algorithms · Computer Science 2022-08-01 Philip Bille , Inge Li Gørtz , Tord Stordalen

We introduce a proximal version of the stochastic dual coordinate ascent method and show how to accelerate the method using an inner-outer iteration procedure. We analyze the runtime of the framework and obtain rates that improve…

Machine Learning · Statistics 2013-10-09 Shai Shalev-Shwartz , Tong Zhang