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Stencil computation is an important class of scientific applications that can be efficiently executed by graphics processing units (GPUs). Out-of-core approach helps run large scale stencil codes that process data with sizes larger than the…

Distributed, Parallel, and Cluster Computing · Computer Science 2021-09-14 Jingcheng Shen , Yifan Wu , Masao Okita , Fumihiko Ino

As the size of artificial intelligence and machine learning (AI/ML) models and datasets grows, the memory bandwidth becomes a critical bottleneck. The paper presents a novel extended memory hierarchy that addresses some major memory…

Hardware Architecture · Computer Science 2025-05-20 Jordi Altayo , Paul Delestrac , David Novo , Simey Yang , Debjyoti Bhattacharjee , Francky Catthoor

B-spline based orbital representations are widely used in Quantum Monte Carlo (QMC) simulations of solids, historically taking as much as 50% of the total run time. Random accesses to a large four-dimensional array make it challenging to…

Distributed, Parallel, and Cluster Computing · Computer Science 2017-08-10 Amrita Mathuriya , Ye Luo , Anouar Benali , Luke Shulenburger , Jeongnim Kim

The evolution of 5G and Beyond networks has enabled new applications with stringent end-to-end latency requirements, but providing reliable low-latency service with high throughput over public wireless networks is still a significant…

Networking and Internet Architecture · Computer Science 2022-10-19 Andrea Bedin , Federico Chiariotti , Stepan Kucera , Andrea Zanella

Many performance critical systems today must rely on performance enhancements, such as multi-port memories, to keep up with the increasing demand of memory-access capacity. However, the large area footprints and complexity of existing…

Hardware Architecture · Computer Science 2020-01-28 Hardik Jain , Matthew Edwards , Ethan Elenberg , Ankit Singh Rawat , Sriram Vishwanath

Major chip manufacturers have all introduced multicore microprocessors. Multi-socket systems built from these processors are used for running various server applications. However to the best of our knowledge current commercial operating…

Distributed, Parallel, and Cluster Computing · Computer Science 2018-10-24 Suryanarayana Murthy Durbhakula

Stencil computations are widely used to simulate the change of state of physical systems across a multidimensional grid over multiple timesteps. The state-of-the-art techniques in this area fall into three groups: cache-aware tiled looping…

Data Structures and Algorithms · Computer Science 2021-05-17 Zafar Ahmad , Rezaul Chowdhury , Rathish Das , Pramod Ganapathi , Aaron Gregory , Yimin Zhu

Arrival of multicore systems has enforced a new scenario in computing, the parallel and distributed algorithms are fast replacing the older sequential algorithms, with many challenges of these techniques. The distributed algorithms provide…

Distributed, Parallel, and Cluster Computing · Computer Science 2023-11-13 Rajendra Purohit , K R Chowdhary , S D Purohit

Iterative graph algorithms often compute intermediate values and update them as computation progresses. Updated output values are used as inputs for computations in current or subsequent iterations; hence the number of iterations required…

Distributed, Parallel, and Cluster Computing · Computer Science 2021-10-05 Mark P. Blanco , Scott McMillan , Tze Meng Low

As the demand of real time computing increases day by day, there is a major paradigm shift in processing platform of real time system from single core to multi-core platform which provides advantages like higher throughput, linear power…

Distributed, Parallel, and Cluster Computing · Computer Science 2021-12-30 Girish Talmale , Urmila Shrawankar

A diamond network is considered in which the central processor is connected, via backhaul noiseless links, to multiple conferencing base stations, which communicate with a single user over a multiple access channel. We propose coding…

Information Theory · Computer Science 2022-05-05 Michael Dikshtein , Shirin Saeedi Bidokhti , Shlomo Shamai

An out-of-core stencil computation code handles large data whose size is beyond the capacity of GPU memory. Whereas, such an code requires streaming data to and from the GPU frequently. As a result, data movement between the CPU and GPU…

Distributed, Parallel, and Cluster Computing · Computer Science 2022-04-26 Jingcheng Shen , Xin Deng , Yifan Wu , Masao Okita , Fumihiko Ino

Next-generation wireless technologies (for immersive-massive communication, joint communication and sensing) demand highly parallel architectures for massive data processing. A common architectural template scales up by grouping tens to…

Hardware Architecture · Computer Science 2025-07-08 Samuel Riedel , Yichao Zhang , Marco Bertuletti , Luca Benini

We propose overcoming the memory capacity limitation of GPUs with high-capacity Storage-Class Memory (SCM) and DRAM cache. By significantly increasing the memory capacity with SCM, the GPU can capture a larger fraction of the memory…

Hardware Architecture · Computer Science 2024-03-15 Jeongmin Hong , Sungjun Cho , Geonwoo Park , Wonhyuk Yang , Young-Ho Gong , Gwangsun Kim

The impact of transformer networks is booming, yet, they come with significant computational complexity. It is therefore essential to understand how to optimally map and execute these networks on modern neural processor hardware. So far,…

Hardware Architecture · Computer Science 2024-06-17 Steven Colleman , Arne Symons , Victor J. B. Jung , Marian Verhelst

We extend the reach of temporal computing schemes by developing a memory for multi-channel temporal patterns or "wavefronts." This temporal memory re-purposes conventional one-transistor-one-resistor (1T1R) memristor crossbars for use in an…

Emerging Technologies · Computer Science 2020-03-23 Advait Madhavan , Mark D. Stiles

Stencil computation is one of the most important kernels in various scientific computing. Nowadays, most Stencil-driven scientific computing still relies heavily on supercomputers, suffering from expensive access, poor scalability, and…

Distributed, Parallel, and Cluster Computing · Computer Science 2023-03-16 Kun Li , Zhichun Li , Yuetao Chen , Zixuan Wang , Yiwei Zhang , Liang Yuan , Haipeng Jia , Yunquan Zhang , Ting Cao , Mao Yang

Common implementations of core memory allocation components, like the Linux buddy system, handle concurrent allocation/release requests by synchronizing threads via spin-locks. This approach is clearly not prone to scale with large thread…

Distributed, Parallel, and Cluster Computing · Computer Science 2018-05-22 Romolo Marotta , Mauro Ianni , Alessandro Pellegrini , Andrea Scarselli , Francesco Quaglia

We present a numerical scheme geared for high performance computation of wall-bounded turbulent flows. The number of all-to-all communications is decreased to only six instances by using a two-dimensional (pencil) domain decomposition and…

Fluid Dynamics · Physics 2015-01-07 Erwin P. van der Poel , Rodolfo Ostilla Mónico , John Donners , Roberto Verzicco

Spatial computing devices have been shown to significantly accelerate stencil computations, but have so far relied on unrolling the iterative dimension of a single stencil operation to increase temporal locality. This work considers the…

Distributed, Parallel, and Cluster Computing · Computer Science 2021-01-12 Johannes de Fine Licht , Andreas Kuster , Tiziano De Matteis , Tal Ben-Nun , Dominic Hofer , Torsten Hoefler