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parallelization OF SEQUENTIAL PROGRAMS: DISTRIBUTION OF ARRAYS AMONG PROCESSORS AND STRUCTURIZATION OF COMMUNICATIONS

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CYBERNETICS AND SYSTEMS ANALYSIS 2012年第1期48卷 122-137页

作者： Adutskevich, E. V. Likhoded, N. A. Sikorsky, A. O. Natl Acad Sci Belarus Inst Math Minsk BELARUS LLC Ynadex Bel Minsk BELARUS

Data distribution functions are introduced. They are matched with scheduling functions. The processors and iterations are determined that use an array element at its fixed position in a statement. This makes it possible to obtain the initial data distribution and also information on the data volume for every processor and on the structure of required communications.

关键词： parallel computing parallelization of algorithms affine loop nest parallel computer with distributed memory optimization of communications

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OPTIMIZATION OF DATA EXCHANGE IN PARALLEL COMPUTERS WITH DISTRIBUTED MEMORY

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CYBERNETICS AND SYSTEMS ANALYSIS 2006年第2期42卷 298-310页

作者： Adutskevich, E. V. Likhoded, N. A. Natl Acad Sci Belarus Inst Math Minsk BELARUS

The problem of optimization of communications during the execution of a program on a parallel computer with distributed memory is investigated. Statements are formulated that make it possible to determine the possibility of organization of data broadcast and translation. The conditions proposed are represented in the form suitable for practical application and can be used for automated parallelization of programs.

关键词： parallel computations parallelization of algorithms affine cycle nests parallel computer with distributed memory optimization of communications

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Sufficient conditions for the determination and use of data in the same granular parallel computation process

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COMPUTATIONAL MATHEMATICS AND MATHEMATICAL PHYSICS 2014年第8期54卷 1316-1326页

作者： Likhoded, N. A. Belarusian State Univ Minsk 220030 BELARUS

Parallel algorithms for distributed memory computers should be granular, in which case the set of algorithmic operations is split into sets known as computation grains, or tiles. Conditions are proposed and proved under which data is used in the same granular computation process where it was determined. These conditions can be used to estimate the number of communication operations in alternative versions of parallel algorithms.

关键词： parallelization of algorithms distributed memory parallel computer reduction in data exchange

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