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Research and Implementation of Source Code Parallelization Based on Multi-Cores

Author: GuoShen
Tutor: LiPeiFeng;ZhuQiaoMing
School: Suzhou University
Course: Applied Computer Technology
Keywords: Multicore Parallel Dependency Parallel granularity Parallel speedup
CLC: TP332
Type: Master's thesis
Year: 2010
Downloads: 240
Quote: 3
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Abstract


With the popularity of multi-core processors in just two years time , how to take full advantage of its parallel processing capability development program is parallelized became the focus of today's multi-core applications research and one of the difficulties . In this paper, in-depth analysis on the basis of multi-core computing technology , the proposed the parallel program process and inter-process information mining method , and provide the basis for the realization of the program parallelization . The use of internationally accepted the parallel evaluation criteria ( such as Livermore , LAPACK and NAS ) experiment , and the experimental results with the currently popular program parallelization tool Intel Parallel Studio compare to validate our methods . In this paper, the process can parallel the information mining method focuses on the dependency with parallel information closely related commence . The program execution time , the portion of the program cycle , the data dependence analysis and a program execution time and cycle times than the other characteristics to characterize the program can be parallel , and using support vector machine (SVM) based on the above characteristics can be parallel in the program point of the excavation . Experiments show that the method can better meet the needs of practical application , found in parallel point do parallelization substantial parallel speedup . In this paper, inter - process parallel information mining method to build the dependency graph , effective integration of the process of inter- dependent information . And dependency information within the process of the reliance on information influential in the process , need to rely on the information thus extracted optimization process dependency information through the accession process thinking . Comparative experiments show that the method has a better process information in parallel mining effects . Finally, given the focus on the use of these two parallel test experimental results can be combined with parallel information mining method , experiments show that coarse-grained and fine-grained parallel information mining method to be able to obtain a valid program parallel information in the multi-core platform A good program parallel speedup .

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CLC: > Industrial Technology > Automation technology,computer technology > Computing technology,computer technology > Electronic digital computer (not a continuous role in computer ) > Arithmetic unit and the controller (CPU)
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