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Bit matrix compression is a highly relevant operation in computer arithmetic. Essentially being a multi-operand addition, it is the key operation behind fast multiplication and many higher-level operations such as multiply-accumulate, the…

硬件体系结构 · 计算机科学 2018-06-22 Thomas B. Preußer

Optical architectures have been emerging as an energy-efficient and high-throughput hardware platform to accelerate computationally intensive general matrix-matrix multiplications (GEMMs) in modern machine learning (ML) algorithms. However,…

新兴技术 · 计算机科学 2022-04-01 Jichao Fan , Yingheng Tang , Weilu Gao

Large 3D SIMP studies require repeated elasticity solves for density-dependent operators whose finest matrices are expensive to assemble and whose conditioning degrades under high contrast. We study this linear-solver layer rather than…

计算工程、金融与科学 · 计算机科学 2026-04-30 Shaoliang Yang , Jun Wang , Yunsheng Wang

Quantum circuit simulation provides the foundation for the development of quantum algorithms and the verification of quantum supremacy. Among the various methods for quantum circuit simulation, tensor network contraction has been increasing…

量子物理 · 物理学 2023-07-11 Hiroyuki Ootomo , Hidetaka Manabe , Kenji Harada , Rio Yokota

Artificial Intelligence (AI) algorithms, such as Deep Neural Networks (DNNs), have become an important tool for a wide range of applications, from computer vision to natural language processing. However, the computational complexity of DNN…

Product distribution matching (PDM) is proposed to generate target distributions over large alphabets by combining the output of several parallel distribution matchers (DMs) with smaller output alphabets. The parallel architecture of PDM…

信息论 · 计算机科学 2017-02-27 Georg Böcherer , Patrick Schulte , Fabian Steiner

While fast multipole methods (FMMs) are in widespread use for the rapid evaluation of potential fields governed by the Laplace, Helmholtz, Maxwell or Stokes equations, their coupling to high-order quadratures for evaluating layer potentials…

数值分析 · 数学 2021-04-26 Leslie Greengard , Michael O'Neil , Manas Rachh , Felipe Vico

Energy system optimization models are increasing in scope and resolution, yielding large and challenging linear programs. For a long time, the standard way to address such problems has relied on shared-memory interior-point methods (IPM),…

Due to the irregular nature of connections in most graph datasets, partitioning graph analysis algorithms across multiple computational nodes that do not share a common memory inevitably leads to large amounts of interconnect traffic.…

分布式、并行与集群计算 · 计算机科学 2020-01-22 Nina Engelhardt , Hayden K. -H. So

High-performance computing underpins modern artificial intelligence (AI), enabling foundation models, real-time inference and perception in autonomous systems, and data-intensive scientific simulations. Recent advances in quantization…

We present GOFMM (geometry-oblivious FMM), a novel method that creates a hierarchical low-rank approximation, "compression," of an arbitrary dense symmetric positive definite (SPD) matrix. For many applications, GOFMM enables an approximate…

数值分析 · 计算机科学 2017-07-04 Chenhan D. Yu , James Levitt , Severin Reiz , George Biros

Processing-in-memory (PIM) seeks to eliminate computation/memory data transfer using devices that support both storage and logic. Stateful logic techniques such as IMPLY, MAGIC and FELIX can perform logic gates within memristive crossbar…

硬件体系结构 · 计算机科学 2021-09-21 Orian Leitersdorf , Ronny Ronen , Shahar Kvatinsky

Matrix multiplication is a cornerstone operation in a wide array of scientific fields, including machine learning and computer graphics. The standard algorithm for matrix multiplication has a complexity of $\mathcal{O}(n^3)$ for $n\times n$…

硬件体系结构 · 计算机科学 2024-06-05 Afzal Ahmad , Linfeng Du , Wei Zhang

This work is concerned with the rigorous analysis on the Generalized Multiscale Finite Element Methods (GMsFEMs) for elliptic problems with high-contrast heterogeneous coefficients. GMsFEMs are popular numerical methods for solving flow…

数值分析 · 数学 2018-02-27 Guanglian Li

Graph Neural Networks (GNNs) have achieved significant improvements in various domains. Sparse Matrix-Matrix multiplication (SpMM) is a fundamental operator in GNNs, which performs a multiplication between a sparse matrix and a dense…

分布式、并行与集群计算 · 计算机科学 2020-07-08 Guyue Huang , Guohao Dai , Yu Wang , Huazhong Yang

The rapidly growing popularity and scale of data-parallel workloads demand a corresponding increase in raw computational power of GPUs (Graphics Processing Units). As single-GPU systems struggle to satisfy the performance demands, multi-GPU…

分布式、并行与集群计算 · 计算机科学 2018-11-15 Yifan Sun , Trinayan Baruah , Saiful A. Mojumder , Shi Dong , Rafael Ubal , Xiang Gong , Shane Treadway , Yuhui Bao , Vincent Zhao , José L. Abellán , John Kim , Ajay Joshi , David Kaeli

Recent advances in self-supervised learning and the Transformer architecture have significantly improved natural language processing (NLP), achieving remarkably low perplexity. However, the growing size of NLP models introduces a memory…

分布式、并行与集群计算 · 计算机科学 2024-04-02 Gunho Park , Baeseong Park , Minsub Kim , Sungjae Lee , Jeonghoon Kim , Beomseok Kwon , Se Jung Kwon , Byeongwook Kim , Youngjoo Lee , Dongsoo Lee

Neural networks in general, from MLPs and CNNs to attention-based Transformers, are constructed from layers of linear combinations followed by nonlinear operations such as ReLU, Sigmoid, or Softmax. Despite their strength, these…

机器学习 · 计算机科学 2025-10-09 Weiguo Lu , Gangnan Yuan , Hong-kun Zhang , Shangyang Li

Quantization significantly accelerates inference in large language models (LLMs) by replacing original high-precision matrices with low-precision counterparts. Recent advances in weight-activation quantization have primarily focused on…

机器学习 · 计算机科学 2026-03-31 Wenyuan Liu , Haoqian Meng , Yilun Luo , Yafei Zhao , Peng Zhang , Xindian Ma

The kernel-independent fast multipole method (KIFMM) proposed in [1] is of almost linear complexity. In the original KIFMM the time-consuming M2L translations are accelerated by FFT. However, when more equivalent points are used to achieve…

数值分析 · 计算机科学 2015-03-19 Yanchuang Cao , Lihua Wen , Junjie Rong