Message Passing Interface (MPI) is the most commonly used parallel programming model, and collective communications is an important part of the MPI standard.

消息传递接口（MPI）是最常用的并行编程模型，而群集通信又是MPI中的重要组成部分。

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In order to take full advantage of multi-core processor resources, the parallel programming model by building blocks with multithreading was studied, hence improving the performance of the program.

为了充分利用多核处理器资源，研究了多线程构建模块并行编程模式，从而提高程序的性能。

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