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Infinite projected entangled-pair states (iPEPS) provide a powerful tool for studying strongly correlated systems directly in the thermodynamic limit. A core component of the algorithm is the approximate contraction of the iPEPS, where the…

强关联电子 · 物理学 2026-05-12 Yining Zhang , Qi Yang , Philippe Corboz

We present an automated procedure for computing stacking fault energies in random alloys from large-scale simulations using moment tensor potentials (MTPs) with the accuracy of density functional theory (DFT). To that end, we develop an…

材料科学 · 物理学 2021-11-23 Max Hodapp , Alexander Shapeev

Transformers have emerged as a powerful tool for natural language processing (NLP) and computer vision. Through the attention mechanism, these models have exhibited remarkable performance gains when compared to conventional approaches like…

硬件体系结构 · 计算机科学 2024-07-18 Salma Afifi , Ishan Thakkar , Sudeep Pasricha

Multilayer perceptrons (MLP), or fully connected artificial neural networks, are known for performing vector-matrix multiplications using learnable weight matrices; however, their practical application in many machine learning tasks,…

机器学习 · 计算机科学 2025-04-22 Mehmet Yamaç , Muhammad Numan Yousaf , Serkan Kiranyaz , Moncef Gabbouj

In this paper, we use multithreaded fast Fourier transforms provided in three highly optimized packages, FFTW-2.1.5, FFTW-3.3.7, and Intel MKL FFT, to present a novel model-based parallel computing technique as a very effective and portable…

分布式、并行与集群计算 · 计算机科学 2018-08-17 Semyon Khokhriakov , Ravi Reddy , Alexey Lastovetsky

The matrix product state (MPS) is utilized to study the ground state properties and quantum phase transitions (QPTs) of the one-dimensional quantum compass model (QCM). The MPS wavefunctions are argued to be very efficient descriptions of…

强关联电子 · 物理学 2012-06-05 Guang-Hua Liu , Wei Li , Wen-Long You , Guang-Shan Tian , Gang Su

Machine-learning interatomic potentials (MLIPs) have become a mainstay in computationally-guided materials science, surpassing traditional force fields due to their flexible functional form and superior accuracy in reproducing physical…

化学物理 · 物理学 2026-01-13 Igor Vorotnikov , Fedor Romashov , Nikita Rybin , Maxim Rakhuba , Ivan S. Novikov

Document parsing, as a fundamental yet crucial vision task, is being revolutionized by vision-language models (VLMs). However, the autoregressive (AR) decoding inherent to VLMs creates a significant bottleneck, severely limiting parsing…

计算与语言 · 计算机科学 2026-03-17 Lei Li , Ze Zhao , Meng Li , Zhongwang Lun , Yi Yuan , Xingjing Lu , Zheng Wei , Jiang Bian , Zang Li

This work studies the porting and optimization of the tensor network simulator QTensor on GPUs, with the ultimate goal of simulating quantum circuits efficiently at scale on large GPU supercomputers. We implement NumPy, PyTorch, and CuPy…

量子物理 · 物理学 2022-04-14 Danylo Lykov , Angela Chen , Huaxuan Chen , Kristopher Keipert , Zheng Zhang , Tom Gibbs , Yuri Alexeev

Dynamic and adaptive mesh refinement is pivotal in high-resolution, multi-physics, multi-model simulations, necessitating precise physics resolution in localized areas across expansive domains. Today's supercomputers' extreme heterogeneity…

Machine learning potential (MLP) has been a popular topic in recent years for its potential to replace expensive first-principles calculations in some large systems. Meanwhile, message passing networks have gained significant attention due…

TLS is extensively utilized for secure data transmission over networks. However, with the advent of quantum computers, the security of TLS based on traditional public-key cryptography is under threat. To counter quantum threats, it is…

密码学与安全 · 计算机科学 2024-04-24 Jieyu Zheng , Haoliang Zhu , Yifan Dong , Zhenyu Song , Zhenhao Zhang , Yafang Yang , Yunlei Zhao

Noisy quantum devices demand error-mitigation techniques to be accurate yet simple and efficient in terms of number of shots and processing time. Many established approaches (e.g., extrapolation and quasi-probability cancellation) impose…

新兴技术 · 计算机科学 2025-11-11 Seyed Mohamad Ali Tousi , G. N. DeSouza

In Large Language Model (LLM) inference services, it is challenging to make a parallelism strategy configuration, to efficiently process the requests of variance context lengths. Requests of long context require high degree of parallelism…

分布式、并行与集群计算 · 计算机科学 2026-04-23 Haoyu Chen , Xue Li , Kun Qian , Yu Guan , Jin Zhao , Xin Wang

Convex quadratic programs (QPs) constitute a fundamental computational primitive across diverse domains including financial optimization, control systems, and machine learning. The alternating direction method of multipliers (ADMM) has…

最优化与控制 · 数学 2025-05-15 Xi Gao , Jinxin Xiong , Linxin Yang , Akang Wang , Weiwei Xu , Jiang Xue

Machine learning interatomic potentials (MLIPs) have massively changed the field of atomistic modeling. They enable the accuracy of density functional theory in large-scale simulations while being nearly as fast as classical interatomic…

材料科学 · 物理学 2025-12-03 Niklas Leimeroth , Linus C. Erhard , Karsten Albe , Jochen Rohrer

Transformer-based large language models (LLMs) have achieved remarkable success as model sizes continue to grow, yet their deployment remains challenging due to significant computational and memory demands. Quantization has emerged as a…

机器学习 · 计算机科学 2024-11-26 Yu Zhang , Mingzi Wang , Lancheng Zou , Wulong Liu , Hui-Ling Zhen , Mingxuan Yuan , Bei Yu

Recent advances in large language models (LLMs) have enabled breakthroughs in many multimodal generation tasks, but a significant performance gap still exists in text-to-motion generation, where LLM-based methods lag far behind non-LLM…

计算机视觉与模式识别 · 计算机科学 2025-06-24 Chuhao Jin , Haosen Li , Bingzi Zhang , Che Liu , Xiting Wang , Ruihua Song , Wenbing Huang , Ying Qin , Fuzheng Zhang , Di Zhang

Reactive molecular dynamics simulations are computationally demanding. Reaching spatial and temporal scales where interesting scientific phenomena can be observed requires efficient and scalable implementations on modern hardware. In this…

分布式、并行与集群计算 · 计算机科学 2017-06-26 Hasan Metin Aktulga , Christopher Knight , Paul Coffman , Kurt A. O'Hearn , Tzu-Ray Shan , Wei Jiang

Statistical machine learning has widespread application in various domains. These methods include probabilistic algorithms, such as Markov Chain Monte-Carlo (MCMC), which rely on generating random numbers from probability distributions.…

硬件体系结构 · 计算机科学 2021-08-03 Ramin Bashizade , Xiangyu Zhang , Sayan Mukherjee , Alvin R. Lebeck