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The performance gap between memory and processor has grown rapidly. Consequently, the energy and wall-clock time costs associated with moving data between the CPU and main memory predominate the overall computational cost. The…

Hardware Architecture · Computer Science 2024-03-01 Qingcai Jiang , Shaojie Tan , Junshi Chen , Hong An

Many high end and next generation computing systems to incorporated alternative memory technologies to meet performance goals. Since these technologies present distinct advantages and tradeoffs compared to conventional DDR* SDRAM, such as…

Performance · Computer Science 2021-10-06 M. Ben Olson , Brandon Kammerdiener , Kshitij A. Doshi , Terry Jones , Michael R. Jantz

CUDA Unified Memory improves the GPU programmability and also enables GPU memory oversubscription. Recently, two advanced memory features, memory advises and asynchronous prefetch, have been introduced. In this work, we evaluate the new…

Distributed, Parallel, and Cluster Computing · Computer Science 2020-03-03 Steven W. D. Chien , Ivy B. Peng , Stefano Markidis

Massive emerging applications are driving demand for the ubiquitous deployment of computing power today. This trend not only spurs the recent popularity of the \emph{Computing and Network Convergence} (CNC), but also introduces an urgent…

Artificial Intelligence · Computer Science 2023-08-08 Zicong Hong , Xiaoyu Qiu , Jian Lin , Wuhui Chen , Yue Yu , Hui Wang , Song Guo , Wen Gao

Software developers must adapt to keep up with the changing capabilities of platforms so that they can utilize the power of High- Performance Computers (HPC), including exascale systems. OpenMP, a directive-based parallel programming model,…

Performance modeling of parallel applications on multicore computers remains a challenge in computational co-design due to the complex design of multicore processors including private and shared memory hierarchies. We present a Scalable…

This paper presents a novel cross-coupling capacitor processing unit (C3PU) that supports analog-mixed signal in memory computing to perform multiply-and-accumulate (MAC) operations. The C3PU consists of a capacitive unit, a CMOS…

Machine Learning · Computer Science 2021-10-13 Dima Kilani , Baker Mohammad , Yasmin Halawani , Mohammed F. Tolba , Hani Saleh

We describe a universal modeling approach for predicting single- and multicore runtime of steady-state loops on server processors. To this end we strictly differentiate between application and machine models: An application model comprises…

Distributed, Parallel, and Cluster Computing · Computer Science 2020-09-30 Johannes Hofmann , Christie L. Alappat , Georg Hager , Dietmar Fey , Gerhard Wellein

High-performance computing systems are moving towards 2.5D and 3D memory hierarchies, based on High Bandwidth Memory (HBM) and Hybrid Memory Cube (HMC) to mitigate the main memory bottlenecks. This trend is also creating new opportunities…

Hardware Architecture · Computer Science 2017-09-26 Erfan Azarkhish , Davide Rossi , Igor Loi , Luca Benini

In this paper is proposed a technique to integrate and simulate a dynamic memory in a multiprocessor framework based on C/C++/SystemC. Using host machine's memory management capabilities, dynamic data processing is supported without…

Hardware Architecture · Computer Science 2011-11-09 O. Villa , P. Schaumont , I. Verbauwhede , M. Monchiero , G. Palermo

We present a portable platform, called PIC_ENGINE, for accelerating Particle-In-Cell (PIC) codes on heterogeneous many-core architectures such as Graphic Processing Units (GPUs). The aim of this development is efficient simulations on…

Computational Physics · Physics 2016-06-08 F. Hariri , T. M. Tran , A. Jocksch , E. Lanti , J. Progsch , P. Messmer , S. Brunner , G. Gheller , L. Villard

Scientific computing is at the core of many High-Performance Computing applications, including computational flow dynamics. Because of the uttermost importance to simulate increasingly larger computational models, hardware acceleration is…

Hardware Architecture · Computer Science 2022-01-13 Tom Hogervorst , Tong Dong Qiu , Giacomo Marchiori , Alf Birger , Markus Blatt , Razvan Nane

Heterogeneity has become a mainstream architecture design choice for building High Performance Computing systems. However, heterogeneity poses significant challenges for achieving performance portability of execution. Adapting a program to…

Programming Languages · Computer Science 2023-03-17 Giorgis Georgakoudis , Konstantinos Parasyris , Chunhua Liao , David Beckingsale , Todd Gamblin , Bronis de Supinski

Processing-in-memory (PIM) solutions vastly accelerate systems by reducing data transfer between computation and memory. Memristors possess a unique property that enables storage and logic within the same device, which is exploited in the…

Hardware Architecture · Computer Science 2021-09-21 Orian Leitersdorf , Ronny Ronen , Shahar Kvatinsky

High performance large scale graph analytics are essential to timely analyze relationships in big data sets. Conventional processor architectures suffer from inefficient resource usage and bad scaling on those workloads. To enable efficient…

Monte Carlo (MC) simulations play a pivotal role in diverse scientific and engineering domains, with applications ranging from nuclear physics to materials science. Harnessing the computational power of high-performance computing (HPC)…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-03-13 Yehonatan Fridman , Guy Tamir , Uri Steinitz , Gal Oren

Transformer models serve as the backbone of many state-ofthe-art language models, and most use the scaled dot-product attention (SDPA) mechanism to capture relationships between tokens. However, the straightforward implementation of SDPA…

Hardware Architecture · Computer Science 2024-08-09 Gina Sohn , Nathan Zhang , Kunle Olukotun

In high-performance computing (HPC), the demand for efficient parallel programming models has grown dramatically since the end of Dennard Scaling and the subsequent move to multi-core CPUs. OpenMP stands out as a popular choice due to its…

Distributed, Parallel, and Cluster Computing · Computer Science 2023-08-21 Tal Kadosh , Niranjan Hasabnis , Timothy Mattson , Yuval Pinter , Gal Oren

Multi-head Latent Attention (MLA) significantly reduces KVCache memory usage in Large Language Models while introducing substantial computational overhead and intermediate variable expansion. This poses challenges for efficient hardware…

Machine Learning · Computer Science 2025-10-23 Qichen Liao , Chengqiu Hu , Fangzheng Miao , Bao Li , Yiyang Liu , Junlong Lyu , Lirui Jiang , Jun Wang , Lingchao Zheng , Jun Li , Yuwei Fan

In this paper we describe, implement, and test the performance of distributed memory simulations of quantum circuits on the MSU Laconia Top500 supercomputer. Using OpenMP and MPI hybrid parallelization, we first use a distributed…

Quantum Physics · Physics 2018-06-25 Ryan LaRose