Thread and Data Mapping in Software Transactional Memory: an Overview

In current microarchitectures, due to the complex memory hierarchies and different latencies on memory accesses, thread and data mapping are important issues to improve application performance. Software transactional memory (STM) is an abstraction used for thread synchronization, replacing the use o...

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Veröffentlicht in:International journal of parallel programming Jg. 53; H. 3; S. 19
Hauptverfasser: Pasqualin, Douglas Pereira, Diener, Matthias, Du Bois, André Rauber, Pilla, Maurício Lima
Format: Journal Article
Sprache:Englisch
Veröffentlicht: New York Springer US 01.06.2025
Springer Nature B.V
Schlagworte:
Computer Science
Concurrent processing
Hierarchies
Mapping
Parallel programming
Processor Architectures
Run time (computers)
Software
Software Engineering/Programming and Operating Systems
Synchronism
Theory of Computation
Software transactional memory
Data mapping
Thread mapping
Communication
ISSN:0885-7458, 1573-7640
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Zusammenfassung:In current microarchitectures, due to the complex memory hierarchies and different latencies on memory accesses, thread and data mapping are important issues to improve application performance. Software transactional memory (STM) is an abstraction used for thread synchronization, replacing the use of locks in parallel programming. Regarding thread and data mapping, STM presents new challenges and mapping opportunities, since (1) STM can use different conflict detection and resolution strategies, making the behavior of the application less predictable, and; (2) the STM runtime has precise information about shared data and the intensity with each thread accesses them. These unique characteristics provide many opportunities for low-overhead, but precise statistics to guide mapping strategies for STM applications. The main objective of this paper is to survey the existing work about thread and data mapping that uses solely information gathered from the STM runtime to guide thread and data mapping decisions. We also discuss future research directions within this research area.
Bibliographie:ObjectType-Article-1
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ISSN:0885-7458
1573-7640
DOI:10.1007/s10766-025-00796-1