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Scientific applications often contain large computationally-intensive parallel loops. Loop scheduling techniques aim to achieve load balanced executions of such applications. For distributed-memory systems, existing dynamic loop scheduling…

Distributed, Parallel, and Cluster Computing · Computer Science 2019-01-10 Ahmed Eleliemy , Florina M. Ciorba

Scientific applications are often complex, irregular, and computationally-intensive. To accommodate the ever-increasing computational demands of scientific applications, high-performance computing (HPC) systems have become larger and more…

Distributed, Parallel, and Cluster Computing · Computer Science 2019-11-20 Ali Mohammed , Aurelien Cavelan , Florina M. Ciorba , Ruben M. Cabezon , Ioana Banicesu

Scientific applications are complex, large, and often exhibit irregular and stochastic behavior. The use of efficient loop scheduling techniques in computationally-intensive applications is crucial for improving their performance on…

Distributed, Parallel, and Cluster Computing · Computer Science 2018-06-08 Ali Mohammed , Ahmed Eleliemy , Florina M. Ciorba

Loop scheduling techniques aim to achieve load-balanced executions of scientific applications. Dynamic loop self-scheduling (DLS) libraries for distributed-memory systems are typically MPI-based and employ a centralized chunk calculation…

Distributed, Parallel, and Cluster Computing · Computer Science 2021-01-19 Ahmed Eleliemy , Florina M. Ciorba

Scientific applications are often irregular and characterized by large computationally-intensive parallel loops. Dynamic loop scheduling (DLS) techniques improve the performance of computationally-intensive scientific applications via load…

Distributed, Parallel, and Cluster Computing · Computer Science 2018-05-08 Ali Mohammed , Ahmed Eleliemy , Florina M. Ciorba , Franziska Kasielke , Ioana Banicescu

Scientific applications often contain large and computationally intensive parallel loops. Dynamic loop self scheduling (DLS) is used to achieve a balanced load execution of such applications on high performance computing (HPC) systems.…

Distributed, Parallel, and Cluster Computing · Computer Science 2019-10-07 Ali Mohammed , Aurelien Cavelan , Florina M. Ciorba

Scientific applications often contain large, computationally-intensive, and irregular parallel loops or tasks that exhibit stochastic characteristics. Applications may suffer from load imbalance during their execution on high-performance…

Distributed, Parallel, and Cluster Computing · Computer Science 2019-10-16 Ali Mohammed , Ahmed Eleliemy , Florina M. Ciorba , Franziska Kasielke , Ioana Banicescu

Many scientific applications consist of large and computationally-intensive loops. Dynamic loop self-scheduling (DLS) techniques are used to parallelize and to balance the load during the execution of such applications. Load imbalance…

Distributed, Parallel, and Cluster Computing · Computer Science 2019-12-05 Ali Mohammed , Florina M. Ciorba

High-level synthesis (HLS) enhances digital hardware design productivity through a high abstraction level. Even if the HLS abstraction prevents fine-grained manual register-transfer level (RTL) optimizations, it also enables automatable…

Hardware Architecture · Computer Science 2024-01-01 Giovanni Brignone , Mihai T. Lazarescu , Luciano Lavagno

Dynamic High-Level Synthesis (HLS) uses additional hardware to perform memory disambiguation at runtime, increasing loop throughput in irregular codes compared to static HLS. However, most irregular codes consist of multiple sibling loops,…

Hardware Architecture · Computer Science 2025-01-27 Robert Szafarczyk , Syed Waqar Nabi , Wim Vanderbauwhede

Regions of nested loops are a common feature of High Performance Computing (HPC) codes. In shared memory programming models, such as OpenMP, these structure are the most common source of parallelism. Parallelising these structures requires…

Programming Languages · Computer Science 2012-05-14 Adrian Jackson , Orestis Agathokleous

Dynamic resource management is essential for optimizing computational efficiency in modern high-performance computing (HPC) environments, particularly as systems scale. While research has demonstrated the benefits of malleability in…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-06-18 Sergio Iserte , Iker Martín-Álvarez , Krzysztof Rojek , José I. Aliaga , Maribel Castillo , Weronika Folwarska , Antonio J. Peña

Scientific applications consist of large and computationally-intensive loops. Dynamic loop scheduling (DLS) techniques are used to load balance the execution of such applications. Load imbalance can be caused by variations in loop iteration…

Distributed, Parallel, and Cluster Computing · Computer Science 2018-07-16 Ali Mohammed , Florina M. Ciorba

In light of continued advances in loop scheduling, this work revisits the OpenMP loop scheduling by outlining the current state of the art in loop scheduling and presenting evidence that the existing OpenMP schedules are insufficient for…

Distributed, Parallel, and Cluster Computing · Computer Science 2018-09-11 Florina M. Ciorba , Christian Iwainsky , Patrick Buder

Synchronization phenomena are pervasive in coupled nonlinear systems across the natural world and engineering domains. Understanding how to dynamically identify the parameter space (or network structure) of coupled nonlinear systems in a…

Biological Physics · Physics 2024-09-25 Yong Wu , Qianming Ding , Weifang Huang , Tianyu Li , Dong Yu , Ya Jia

Dynamically scheduled high-level synthesis (HLS) achieves higher throughput than static HLS for codes with unpredictable memory accesses and control flow. However, excessive dataflow scheduling results in circuits that use more resources…

Distributed, Parallel, and Cluster Computing · Computer Science 2023-08-30 Robert Szafarczyk , Syed Waqar Nabi , Wim Vanderbauwhede

Dynamic programming (DP) based algorithms are essential yet compute-intensive parts of numerous bioinformatics pipelines, which typically involve populating a 2-D scoring matrix based on a recursive formula, optionally followed by a…

Hardware Architecture · Computer Science 2024-11-07 Yingqi Cao , Anshu Gupta , Jason Liang , Yatish Turakhia

The main computing tasks of a finite element code(FE) for solving partial differential equations (PDE's) are the algebraic system assembly and the iterative solver. This work focuses on the first task, in the context of a hybrid MPI+X…

Mathematical Software · Computer Science 2019-05-28 Marta Garcia-Gasulla , Guillaume Houzeaux , Roger Ferrer , Antoni Artigues , Victor López , Jesús Labarta , Mariano Vázquez

Scientific and data science applications are becoming increasingly complex, with growing computational and memory demands. Modern high performance computing (HPC) systems provide high parallelism and heterogeneity across nodes, devices, and…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-07-29 Jonas H. Müller Korndörfer , Ali Mohammed , Ahmed Eleliemy , Quentin Guilloteau , Reto Krummenacher , Florina M. Ciorba

MPI+Threads, embodied by the MPI/OpenMP hybrid programming model, is a parallel programming paradigm where threads are used for on-node shared-memory parallelization and MPI is used for multi-node distributed-memory parallelization. OpenMP…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-01-31 Hui Zhou , Ken Raffenetti , Junchao Zhang , Yanfei Guo , Rajeev Thakur
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