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Collective communication字面意思是“集中通信”,在MPI中经常用到,它具体的表现形式有哪些呢?那位大牛能形象的介绍一下么?
@北方 集中通信与点对点通信是相对的两个概念。前者指的是一对多,多对一,多对多通信,在MPI中,指的是 MPI_Bcast, MPI_Gather, MPI_Reduce 等这些,后者指 MPI_Send, MPI_Recv等这些。
@xpqiu ,谢谢解答