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相关论文: Modeling pre-Exascale AMR Parallel I/O Workloads v…

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Artificial intelligence workloads, especially transformer models, exhibit emergent sparsity in which computations perform selective sparse access to dense data. The workloads are inefficient on hardware designed for dense computations and…

数据结构与算法 · 计算机科学 2024-02-23 Brian Wheatman , Meghana Madhyastha , Randal Burns

In an effort to study the applicability of adaptive mesh refinement (AMR) techniques to atmospheric models an interpolation-based spectral element shallow water model on a cubed-sphere grid is compared to a block-structured finite volume…

Optimizing scientific applications to take full advan-tage of modern memory subsystems is a continual challenge forapplication and compiler developers. Factors beyond working setsize affect performance. A benchmark framework that…

性能 · 计算机科学 2018-12-20 Mahesh Lakshminarasimhan , Catherine Olschanowsky

The problem of the resolution of turbulent flows in adaptive mesh refinement (AMR) simulations is investigated by means of 3D hydrodynamical simulations in an idealised setup, representing a moving subcluster during a merger event. AMR…

天体物理学 · 物理学 2009-11-13 L. Iapichino , J. Adamek , W. Schmidt , J. C. Niemeyer

An adaptive inference method for crossbar (AIDX) is presented based on an optimization scheme for adjusting the duration and amplitude of input voltage pulses. AIDX minimizes the long-term effects of memristance drift on artificial neural…

新兴技术 · 计算机科学 2020-09-02 Tony Liu , Amirali Amirsoleimani , Fabien Alibart , Serge Ecoffey , Dominique Drouin , Roman Genov

We are given a set of jobs, each one specified by its release date, its deadline and its processing volume (work), and a single (or a set of) speed-scalable processor(s). We adopt the standard model in speed-scaling in which if a processor…

数据结构与算法 · 计算机科学 2012-11-26 Evripidis Bampis , Giorgio Lucarelli , Ioannis Nemparis

We present SensiX++ - a multi-tenant runtime for adaptive model execution with integrated MLOps on edge devices, e.g., a camera, a microphone, or IoT sensors. SensiX++ operates on two fundamental principles - highly modular componentisation…

机器学习 · 计算机科学 2021-09-10 Chulhong Min , Akhil Mathur , Utku Gunay Acer , Alessandro Montanari , Fahim Kawsar

Extreme-scale cosmological simulations have been widely used by today's researchers and scientists on leadership supercomputers. A new generation of error-bounded lossy compressors has been used in workflows to reduce storage requirements…

分布式、并行与集群计算 · 计算机科学 2021-04-22 Sian Jin , Jesus Pulido , Pascal Grosset , Jiannan Tian , Dingwen Tao , James Ahrens

Automatic speech recognition (ASR) models rely on high-quality transcribed data for effective training. Generating pseudo-labels for large unlabeled audio datasets often relies on complex pipelines that combine multiple ASR outputs through…

音频与语音处理 · 电气工程与系统科学 2025-10-06 Jeena Prakash , Blessingh Kumar , Kadri Hacioglu , Bidisha Sharma , Sindhuja Gopalan , Malolan Chetlur , Shankar Venkatesan , Andreas Stolcke

Signal processing in wireless communications, such as precoding, detection, and channel estimation, are basically about solving inverse matrix problems, which, however, are slow and inefficient in conventional digital computers, thus…

信号处理 · 电气工程与系统科学 2022-11-08 Pushen Zuo , Zhong Sun , Ru Huang

The ever-growing popularity and rapid improving of artificial intelligence (AI) have raised rethinking on the evolution of wireless networks. Mobile edge computing (MEC) provides a natural platform for AI applications since it is with rich…

信息论 · 计算机科学 2020-12-29 Shanfeng Huang , Shuai Wang , Rui Wang , Miaowen Wen , Kaibin Huang

In resource-constrained environments, one can employ spatial multiplexing cameras to acquire a small number of measurements of a scene, and perform effective reconstruction or high-level inference using purely data-driven neural networks.…

计算机视觉与模式识别 · 计算机科学 2018-09-11 Suhas Lohit , Rajhans Singh , Kuldeep Kulkarni , Pavan Turaga

Additive Manufacturing (AM) is a manufacturing paradigm that builds three-dimensional objects from a computer-aided design model by successively adding material layer by layer. AM has become very popular in the past decade due to its…

机器学习 · 计算机科学 2019-08-12 Arindam Paul , Mojtaba Mozaffar , Zijiang Yang , Wei-keng Liao , Alok Choudhary , Jian Cao , Ankit Agrawal

In the push for exascale computing, energy efficiency is of utmost concern. System architectures often adopt accelerators to hasten application execution at the cost of power. The Intel Xeon Phi co-processor is unique accelerator that…

分布式、并行与集群计算 · 计算机科学 2015-05-26 Gary Lawson , Masha Sosonkina , Yuzhong Shen

The design and implementation of a new framework for adaptive mesh refinement (AMR) calculations is described. It is intended primarily for applications in astrophysical fluid dynamics, but its flexible and modular design enables its use…

天体物理仪器与方法 · 物理学 2020-07-08 James M. Stone , Kengo Tomida , Christopher J. White , Kyle G. Felker

Recently Resistive-RAM (RRAM) crossbar has been used in the design of the accelerator of convolutional neural networks (CNNs) to solve the memory wall issue. However, the intensive multiply-accumulate computations (MACs) executed at the…

信号处理 · 电气工程与系统科学 2019-06-10 Xizi Chen , Jingyang Zhu , Jingbo Jiang , Chi-Ying Tsui

Adaptive Mesh Refinement (AMR) enables efficient computation of flows by providing high resolution in critical regions while allowing for coarsening in areas where fine detail is unnecessary. While early AMR software packages relied solely…

计算物理 · 物理学 2025-02-26 Khodr Jaber , Ebenezer Essel , Pierre Sullivan

Debiased machine learning estimators for smooth functionals in nonparametric models can exhibit substantial variability and instability, often leading practitioners to instead rely on parametric or semiparametric working models. Such…

统计方法学 · 统计学 2026-03-20 Lars van der Laan , Marco Carone , Alex Luedtke , Mark van der Laan

The high computational demands of multiscale modeling necessitate advanced parallel and adaptive strategies. To address this challenge, we introduce an adaptive method that utilizes two microscale models based on an offline database for…

分布式、并行与集群计算 · 计算机科学 2024-07-02 Sion Kim , Ezra Kissel , Karel Matous

Parallel applications can spend a significant amount of time performing I/O on large-scale supercomputers. Fast near-compute storage accelerators called burst buffers can reduce the time a processor spends performing I/O and mitigate I/O…

分布式、并行与集群计算 · 计算机科学 2024-01-15 Yiheng Xu , Pranav Sivaraman , Hariharan Devarajan , Kathryn Mohror , Abhinav Bhatele