Parallel Programming: for Multicore and Cluster Systems- P16 pdf

... matrices [127]. The GA approach is provided as a library with interfaces for C, C++, and Fortran for different parallel platforms. The GA approach is based on a global address space in which global ... synchronization are performed by the runtime system, and no low-level lock synchronization must be performed. Chapel has been developed by Cray Inc. as a new parallel language for...

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... description of XY routing for two-dimensional meshes and E-cube routing for hypercubes as typical examples for dimension-order routing algorithms. XY Routing for Two-Dimensional Meshes For a two-dimensional ... {n 1 , ,n k } exists such that for 1 ≤ i < k each message N i uses a link n i for transmission and waits for the release of link n i+1 which is currently used f...

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... team. This fork operation is performed implicitly. The program code inside the parallel construct is called a parallel region and is executed in parallel by all threads of the team. The parallel ... sophisticated implementa- tions may queue command for execution by one of a set of threads. For multicore processors, several threads are typically available for the execution of...

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... coefficient matrix A = (a ij ) ∈ R n×n is symmetric and positive definite, i.e., if a ij = a ji and x T Ax > 0 for all x ∈ R n with x = 0. For a symmetric and positive definite n × n matrix A ∈ R n×n there ... Factorization for Sparse Matrices 431 identify its original position in the full matrix. Thus, a compressed storage scheme for sparse matrices needs the space for the n...

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