LilyTask parallel language 3.5 - approach towards task parallel programming in heterogeneous SMP-clusters

In heterogeneous clusters, different nodes may have different computing powers, so traditional parallel languages or runtime libraries are not suitable there even for regular computations. Task parallel systems may be good candidates since they may easily support dynamic task assignment. But most of...

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Published in:2005 International Conference on Parallel Processing Workshops (ICPPW'05) pp. 305 - 312
Main Authors: Tao Wang, Nan Di, Jian Shen, Min Liu
Format: Conference Proceeding
Language:English
Published: IEEE 2005
Subjects:
Computer networks
Concrete
Concurrent computing
Costs
Libraries
Message passing
Parallel languages
Parallel processing
Parallel programming
Programming profession
ISBN:9780769523811, 0769523811
ISSN:0190-3918
Online Access:Get full text
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Abstract In heterogeneous clusters, different nodes may have different computing powers, so traditional parallel languages or runtime libraries are not suitable there even for regular computations. Task parallel systems may be good candidates since they may easily support dynamic task assignment. But most of them can achieve high performances only in SMPs. And some of them do not provide convenient programmability. This paper presents the rich enhancements in the latest version of a very easy-to-use task parallel language called LilyTask, with which programmers can easily handle tasks and avoid explicit synchronizations and message passings. This paper also tells how LilyTask is realized in heterogeneous SMP-clusters. Evaluations show that due to its feature of dynamic task parallelism and due to its elaborate implementation, the executing efficiency of LilyTask is better than that of OpenMP in SMPs and that of MPI in both SMPs and heterogeneous clusters.
AbstractList In heterogeneous clusters, different nodes may have different computing powers, so traditional parallel languages or runtime libraries are not suitable there even for regular computations. Task parallel systems may be good candidates since they may easily support dynamic task assignment. But most of them can achieve high performances only in SMPs. And some of them do not provide convenient programmability. This paper presents the rich enhancements in the latest version of a very easy-to-use task parallel language called LilyTask, with which programmers can easily handle tasks and avoid explicit synchronizations and message passings. This paper also tells how LilyTask is realized in heterogeneous SMP-clusters. Evaluations show that due to its feature of dynamic task parallelism and due to its elaborate implementation, the executing efficiency of LilyTask is better than that of OpenMP in SMPs and that of MPI in both SMPs and heterogeneous clusters.
Author Min Liu
Nan Di
Tao Wang
Jian Shen
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  organization: Inst. of Network Comput. & Inf. Syst., Peking Univ., Beijing, China
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  surname: Min Liu
  fullname: Min Liu
  organization: Inst. of Network Comput. & Inf. Syst., Peking Univ., Beijing, China
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Snippet In heterogeneous clusters, different nodes may have different computing powers, so traditional parallel languages or runtime libraries are not suitable there...
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StartPage 305
SubjectTerms Computer networks
Concrete
Concurrent computing
Costs
Libraries
Message passing
Parallel languages
Parallel processing
Parallel programming
Programming profession
Title LilyTask parallel language 3.5 - approach towards task parallel programming in heterogeneous SMP-clusters
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