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Random projections are able to perform dimension reduction efficiently for datasets with nonlinear low-dimensional structures. One well-known example is that random matrices embed sparse vectors into a low-dimensional subspace nearly…

机器学习 · 计算机科学 2019-01-11 Jian-Feng Cai , Dong Li , Jiaze Sun , Ke Wang

The most efficient way to calculate strong bisimilarity is by calculation the relational coarsest partition on a transition system. We provide the first linear time algorithm to calculate strong bisimulation using parallel random access…

分布式、并行与集群计算 · 计算机科学 2021-05-26 Jan Martens , Jan Friso Groote , Lars van den Haak , Pieter Hijma , Anton Wijs

AI accelerator processing capabilities and memory constraints largely dictate the scale in which machine learning workloads (e.g., training and inference) can be executed within a desirable time frame. Training a state of the art,…

分布式、并行与集群计算 · 计算机科学 2023-10-12 Michael Benington , Leo Phan , Chris Pierre Paul , Evan Shoemaker , Priyanka Ranade , Torstein Collett , Grant Hodgson Perez , Christopher Krieger

This paper deals with supervised classification and feature selection in high dimensional space. A classical approach is to project data on a low dimensional space and classify by minimizing an appropriate quadratic cost. A strict control…

机器学习 · 计算机科学 2019-12-02 Michel Barlaud , Antonin Chambolle , Jean-Baptiste Caillau

Evolutionary reinforcement learning (ERL) algorithms recently raise attention in tackling complex reinforcement learning (RL) problems due to high parallelism, while they are prone to insufficient exploration or model collapse without…

神经与进化计算 · 计算机科学 2023-08-03 Junyi Wang , Yuanyang Zhu , Zhi Wang , Yan Zheng , Jianye Hao , Chunlin Chen

We propose a model for multiclass classification of time series to make a prediction as early and as accurate as possible. The matrix sequential probability ratio test (MSPRT) is known to be asymptotically optimal for this setting, but…

机器学习 · 计算机科学 2021-06-01 Taiki Miyagawa , Akinori F. Ebihara

In this paper, we consider a non-convex problem which is the sum of $\ell_0$-norm and a convex smooth function under box constraint. We propose one proximal iterative hard thresholding type method with extrapolation step used for…

最优化与控制 · 数学 2018-01-03 Xue Zhang , Xiaoqun Zhang

Parallelism has become a central concern in modern decoding frameworks aiming to meet stringent throughput and latency requirements. Guessing Random Additive Noise Decoding (GRAND) is a recently proposed decoding paradigm that tests…

信息论 · 计算机科学 2026-05-04 Li Wan , Huarui Yin , Wenyi Zhang

Priority encoders are typically considered expensive hardware components in terms of complexity, especially at high bit precisions or input lengths (e.g., above 512 bits). However, if the complexity can be reduced, priority encoders can…

硬件体系结构 · 计算机科学 2026-01-29 Maxwell Phillips , Firas Hassan , Ahmed Ammar

We propose a randomized multiplicative weight update (MWU) algorithm for $\ell_{\infty}$ regression that runs in $\widetilde{O}\left(n^{2+1/22.5} \text{poly}(1/\epsilon)\right)$ time when $\omega = 2+o(1)$, improving upon the previous best…

数据结构与算法 · 计算机科学 2025-04-29 Deeksha Adil , Shunhua Jiang , Rasmus Kyng

In this paper, we study a class of bilevel programming problem where the inner objective function is strongly convex. More specifically, under some mile assumptions on the partial derivatives of both inner and outer objective functions, we…

最优化与控制 · 数学 2018-02-08 Saeed Ghadimi , Mengdi Wang

Huge neural network models have shown unprecedented performance in real-world applications. However, due to memory constraints, model parallelism must be utilized to host large models that would otherwise not fit into the memory of a single…

机器学习 · 计算机科学 2021-04-13 Qifan Xu , Shenggui Li , Chaoyu Gong , Yang You

In this paper, we explore a broad class of constrained saddle point problems with a bilevel structure, wherein the upper-level objective function is nonconvex-concave and smooth over compact and convex constraint sets, subject to a strongly…

最优化与控制 · 数学 2025-03-31 Mohammad Mahdi Ahmadi , Erfan Yazdandoost Hamedani

We propose a new gradient projection algorithm that compares favorably with the fastest algorithms available to date for $\ell_1$-constrained sparse recovery from noisy data, both in the compressed sensing and inverse problem frameworks.…

数值分析 · 数学 2013-01-01 I. Loris , M. Bertero , C. De Mol , R. Zanella , L. Zanni

Embedded systems have proliferated in various consumer and industrial applications with the evolution of Cyber-Physical Systems and the Internet of Things. These systems are subjected to stringent constraints so that embedded software must…

Nonnegative matrix factorization (NMF) is a powerful technique for dimension reduction, extracting latent factors and learning part-based representation. For large datasets, NMF performance depends on some major issues: fast algorithms,…

最优化与控制 · 数学 2015-07-01 Duy-Khuong Nguyen , Tu-Bao Ho

Maximum bipartite matching (MBM) is a fundamental problem in combinatorial optimization with a long and rich history. A classic result of Hopcroft and Karp (1973) provides an $O(m \sqrt{n})$-time algorithm for the problem, where $n$ and $m$…

数据结构与算法 · 计算机科学 2024-06-03 Julia Chuzhoy , Sanjeev Khanna

Multimodal large language models (MLLMs) extend LLMs to handle images, videos, and audio by incorporating feature extractors and projection modules. However, these additional components -- combined with complex inference pipelines and…

分布式、并行与集群计算 · 计算机科学 2025-11-12 Zedong Liu , Shenggan Cheng , Guangming Tan , Yang You , Dingwen Tao

We study the improper learning of multi-layer neural networks. Suppose that the neural network to be learned has $k$ hidden layers and that the $\ell_1$-norm of the incoming weights of any neuron is bounded by $L$. We present a kernel-based…

机器学习 · 计算机科学 2015-10-14 Yuchen Zhang , Jason D. Lee , Michael I. Jordan

Sparse tensor algebra is challenging to efficiently parallelize due to the irregular, data-dependent, and potentially skewed structure of sparse computation. We propose the first partitioning algorithm that provably load balances the…

编程语言 · 计算机科学 2026-04-23 Atharva Chougule , Alexander J Root , Rubens Lacouture , Bobby Yan , Rohan Yadav , Fredrik Kjolstad