In this paper, a Many Integrated Core Architecture (MIC) accelerated parallel method of moment (MoM) algorithm is proposed to solve electromagnetic problems in practical applications, where MIC means a kind of coprocessor or accelerator in computer systems which is used to accelerate the computation performed by Central Processing Unit (CPU). Three critical points are introduced in this paper in detail. The first one is the design of the parallel framework, which ensures that the algorithm can run on distributed memory platform with multiple nodes. The hybrid Message Passing Interface (MPI) and Open Multi-Processing (OpenMP) programming model is designed to achieve the purposes. The second one is the out-of-core algorithm, which greatly breaks the restriction of MIC memory. The third one is the pipeline algorithm which overlaps the data movement with MIC computation. The pipeline algorithm successfully hides the communication and thus greatly enhances the performance of hybrid MIC/CPU MoM. Numerical result indicates that the proposed algorithm has good parallel efficiency and scalability, and twice faster performance when compared with the corresponding CPU algorithm. key words: MIC accelerating MoM, MPI and OpenMP parallel programming mode, multiple nodes, out-of-core, pipeline

Hybrid MIC/CPU Parallel Implementation of MoM on MIC Cluster for Electromagnetic Problems

In this paper, a Method of Moments with Higher-Order basis functions (HOBMoM), parallel implementation based on Message Passing Interface (MPI) and Out-of-Core technology (OOC) has been proposed to compute the Radar Cross Section (RCS) of an aircraft's engine. The block-partitioned parallel scheme for the large dense MoM matrix is designed to achieve excellent load balancing and high parallel efficiency. Because of the bottleneck of the RAM limitation, the out-of-core technology is employed. Some numerical results demonstrate that the Higher-Order basis used in this paper is superior to the conventional RWG basis and is capable of solving various electrically large problems such as the computation of RCS. (3 pages)

RCS computation of engine by parallel higher-order MoM with out-of- core technique

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RCS computation of engine by parallel higher-order MoM with out-of- core technique