GCMS: A Global Contention Management Scheme in Hardware Transactional Memory

Hardware Transactional Memory (HTM) is a promising Transactional Memory (TM) implementation because of its strong atomicity and high performance. Unfortunately, most contention management approaches in HTMs are dedicated to specific transaction conflict scenarios and it is hard to choose a universal...

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Vydáno v:IEEE computer architecture letters Ročník 10; číslo 1; s. 24 - 27
Hlavní autoři: Wang, Xiaoqun, Ji, Zhen, Fu, Chen, Hu, Ming
Médium: Journal Article
Jazyk:angličtina
Vydáno: New York IEEE 01.01.2011
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Témata:
Benchmarking
Bioinformatics
Concurrent Programming
Genomics
Hardware
Management
Multi-core/single-chip multiprocessors
Performance enhancement
Policies
Program processors
Radiation detectors
Rest
Strategy
System recovery
Workload
ISSN:1556-6056, 1556-6064
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Popis
Shrnutí:Hardware Transactional Memory (HTM) is a promising Transactional Memory (TM) implementation because of its strong atomicity and high performance. Unfortunately, most contention management approaches in HTMs are dedicated to specific transaction conflict scenarios and it is hard to choose a universal strategy for different workloads. In addition, HTM performance degrades sharply when there are severe transaction conflicts. In this paper, we present a Global Contention Management Scheme (GCMS) to resolve severe transaction conflicts in HTMs. Our scheme depends on a Deadlock and Livelock Detection Mechanism (DLDM) and a Global Contention Manager (GCM) to resolve severe transaction conflicts. This scheme is orthogonal to the rest of the contention management policies. We have incorporated GCMS into different HTMs and compared the performance of the enhanced systems with that of the original HTMs with the STAMP benchmark suite. The results demonstrate that the performance of the enhanced HTMs is improved.
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ISSN:1556-6056
1556-6064
DOI:10.1109/L-CA.2011.6