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In Near Memory Processing (NMP), processing elements(PEs) are placed near the 3D memory, reducing unnecessary data transfers between the CPU and the memory. However, as the CPUs and the PEs of the NMP use a shared memory space, maintaining…

硬件体系结构 · 计算机科学 2023-12-13 Amit Kumar Kabat , Shubhang Pandey , TG Venkatesh

The performance of discrete general purpose graphics processing units (GPGPUs) has been improving at a rapid pace. The PCIe interconnect that controls the communication of data between the system host memory and the GPU has not improved as…

计算物理 · 物理学 2019-05-15 Connor Kenyon , Glenn Volkema , Gaurav Khanna

Recent innovations focused around {\em parallel} processing, either through systems containing multiple processors or processors containing multiple cores, hold great promise for enhancing the performance of the trigger at the LHC and…

计算物理 · 物理学 2015-06-17 V. Halyo , P. LeGresley , P. Lujan , V. Karpusenko , A. Vladimirov

GPU computing is embracing weak memory concurrency for performance improvement. However, compared to CPUs, modern GPUs provide more fine-grained concurrency features such as scopes, have additional properties like divergence, and thereby…

计算机科学中的逻辑 · 计算机科学 2025-05-27 Soham Chakraborty , S. Krishna , Andreas Pavlogiannis , Omkar Tuppe

Memory safety errors continue to pose a significant threat to current computing systems, and graphics processing units (GPUs) are no exception. A prominent class of memory safety algorithms is allocation-based solutions. The key idea is to…

分布式、并行与集群计算 · 计算机科学 2025-02-27 Mohamed Tarek Ibn Ziad , Sana Damani , Mark Stephenson , Stephen W. Keckler , Aamer Jaleel

Comprehending the performance bottlenecks at the core of the intricate hardware-software interactions exhibited by highly parallel programs on HPC clusters is crucial. This paper sheds light on the issue of automatically asynchronous MPI…

分布式、并行与集群计算 · 计算机科学 2023-09-06 Ayesha Afzal , Georg Hager , Stefano Markidis , Gerhard Wellein

Most commercial embedded devices have been deployed with a single processor architecture. The code size and complexity of applications running on embedded devices are rapidly increasing due to the emergence of application business models…

分布式、并行与集群计算 · 计算机科学 2021-01-26 Geunsik Lim , Changwoo Min , YoungIk Eom

In high performance computing, researchers try to optimize the CPU Scheduling algorithms, for faster and efficient working of computers. But a process needs both CPU bound and I/O bound for completion of its execution. With modernization of…

操作系统 · 计算机科学 2019-08-06 Amar Ranjan Dash , Sandipta Kumar Sahu , B Kewal

Last level cache management and core interconnection network play important roles in performance and power consumption in multicore system. Large scale chip multicore uses mesh interconnect widely due to scalability and simplicity of the…

分布式、并行与集群计算 · 计算机科学 2015-08-14 Navin Kumar , Aryabartta Sahu

The usage of large language models (LLMs) has grown increasingly fragmented, with no single model dominating. Meanwhile, cloud providers offer a wide range of mid-tier and older-generation GPUs that enjoy better availability and deliver…

分布式、并行与集群计算 · 计算机科学 2026-05-07 Yixuan Mei , Zikun Li , Zixuan Chen , Shiqi Pan , Mengdi Wu , Xupeng Miao , Zhihao Jia , K. V. Rashmi

Today's high-performance computing (HPC) applications are producing vast volumes of data, which are challenging to store and transfer efficiently during the execution, such that data compression is becoming a critical technique to mitigate…

分布式、并行与集群计算 · 计算机科学 2021-03-02 Jiannan Tian , Cody Rivera , Sheng Di , Jieyang Chen , Xin Liang , Dingwen Tao , Franck Cappello

Traditional heterogeneous parallel algorithms, designed for heterogeneous clusters of workstations, are based on the assumption that the absolute speed of the processors does not depend on the size of the computational task. This assumption…

分布式、并行与集群计算 · 计算机科学 2011-09-15 Alexey Lastovetsky , Ravi Reddy , Vladimir Rychkov , David Clarke

This paper focuses on data structures for multi-core reachability, which is a key component in model checking algorithms and other verification methods. A cornerstone of an efficient solution is the storage of visited states. In related…

分布式、并行与集群计算 · 计算机科学 2010-05-06 Alfons Laarman , Jaco van de Pol , Michael Weber

Heterogeneous supercomputers have become the standard in HPC. GPUs in particular have dominated the accelerator landscape, offering unprecedented performance in parallel workloads and unlocking new possibilities in fields like AI and…

分布式、并行与集群计算 · 计算机科学 2024-08-27 Luigi Fusco , Mikhail Khalilov , Marcin Chrapek , Giridhar Chukkapalli , Thomas Schulthess , Torsten Hoefler

Long-context training of large language models (LLMs) is commonly distributed with Context Parallelism (CP) and Head Parallelism (HP), but existing training systems largely assume homogeneous GPU meshes. This paper extends CP and HP to…

分布式、并行与集群计算 · 计算机科学 2026-05-11 Yan Liang , Youhe Jiang , Ran Yan , Binhang Yuan , Wei Wang , Chuan Wu

A high fidelity flow simulation for complex geometries for high Reynolds number ($Re$) flow is still very challenging, which requires more powerful computational capability of HPC system. However, the development of HPC with traditional CPU…

计算物理 · 物理学 2022-03-03 Chuangchao Ye , Pengjunyi Zhang , Rui Yan , Dejun Sun , Zhenhua Wan

The introduction of AI and ML technologies into medical devices has revolutionized healthcare diagnostics and treatments. Medical device manufacturers are keen to maximize the advantages afforded by AI and ML by consolidating multiple…

软件工程 · 计算机科学 2024-02-08 Soham Sinha , Shekhar Dwivedi , Mahdi Azizian

In recent years, the Hamiltonian Monte Carlo (HMC) algorithm has been found to work more efficiently compared to other popular Markov Chain Monte Carlo (MCMC) methods (such as random walk Metropolis-Hastings) in generating samples from a…

统计计算 · 统计学 2014-02-18 Andrew L. Beam , Sujit K. Ghosh , Jon Doyle

This paper presents a methodology for simultaneous heterogeneous computing, named ENEAC, where a quad core ARM Cortex-A53 CPU works in tandem with a preprogrammed on-board FPGA accelerator. A heterogeneous scheduler distributes the tasks…

分布式、并行与集群计算 · 计算机科学 2021-11-16 Kris Nikov , Mohammad Hosseinabady , Rafael Asenjo , Andrés Rodríguezz , Angeles Navarro , Jose Nunez-Yanez

Hardware specialization is becoming a key enabler of energyefficient performance. Future systems will be increasingly heterogeneous, integrating multiple specialized and programmable accelerators, each with different memory demands.…

硬件体系结构 · 计算机科学 2021-04-26 Johnathan Alsop , Weon Taek Na , Matthew D. Sinclair , Samuel Grayson , Sarita V. Adve