A New Execution Model and Executor for Adaptively Optimizing the Performance of Parallel Algorithms Using HPX Runtime System

Developing parallel algorithms efficiently requires careful management of concurrency across diverse hardware architectures. C++ executors provide a standardized interface that simplifies the development process, allowing developers to write portable and uniform code. However, in some cases, they ma...

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Vydáno v:SN computer science Ročník 6; číslo 8; s. 911
Hlavní autoři: Mohammadiporshokooh, Karame, Brandt, Steven R., Kaiser, Hartmut
Médium: Journal Article
Jazyk:angličtina
Vydáno: Singapore Springer Nature Singapore 01.12.2025
Springer Nature B.V
Témata:
Algorithms
Application programming interface
C plus plus
C++ (programming language)
Computer Imaging
Computer Science
Computer Systems Organization and Communication Networks
Data Structures and Information Theory
Hardware
Information Systems and Communication Service
Libraries
Optimization
Original Research
Pattern Recognition and Graphics
Resource allocation
Run time (computers)
Software Engineering/Programming and Operating Systems
Vision
Workload
Workloads
HPX
Executors
Performance
Asynchronous many-task (AMT)
Parallel algorithms
Optimization
ISSN:2661-8907, 2662-995X, 2661-8907
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Shrnutí:Developing parallel algorithms efficiently requires careful management of concurrency across diverse hardware architectures. C++ executors provide a standardized interface that simplifies the development process, allowing developers to write portable and uniform code. However, in some cases, they may not fully leverage hardware capabilities or optimally allocate resources for specific workloads, leading to potential performance inefficiencies. Building on our earlier conference paper [Adaptively Optimizing the Performance of HPX's Parallel Algorithms], which introduced a preliminary strategy based on cores and chunking (workload), and integrated it into HPX’s executor API, that dynamically optimizes for workload distribution and resource allocation, based on runtime metrics and overheads, this paper, introduces a more detailed model of that strategy. It evaluates the efficiency of this implementation (as an HPX executor) across a wide range of compute-bound and memory-bound workloads on different architectures and with different algorithms. The results show consistent speedups across all tests, configurations, and workloads studied, offering improved performance through a familiar and user-friendly C ++ executor API. Additionally, the paper highlights how runtime-driven executor adaptations can simplify performance optimization without increasing the complexity of algorithm development.
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ISSN:2661-8907
2662-995X
2661-8907
DOI:10.1007/s42979-025-04442-y