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1D partitioning: Every processor gets <math>n/p</math> vertices and the corresponding outgoing edges. This can be understood as a row-wise or column-wise decomposition of the adjacency matrix. For algorithms operating on this representation, this requires an All-to-All communication step as well as <math>\mathcal{O}(m)</math> message buffer sizes, as each PE potentially has outgoing edges to every other PE.
 
1D partitioning: Every processor gets <math>n/p</math> vertices and the corresponding outgoing edges. This can be understood as a row-wise or column-wise decomposition of the adjacency matrix. For algorithms operating on this representation, this requires an All-to-All communication step as well as <math>\mathcal{O}(m)</math> message buffer sizes, as each PE potentially has outgoing edges to every other PE.
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1D 分区: 每个处理器都会得到 <math>n/p</math> 顶点和相应的外出边。这可以理解为按行或按列对邻接矩阵进行分解。对于在这种表示形式上运行的算法,这需要一个 All-to-All 通信步骤以及 <math> mathcal{o}(m)</math> 消息缓冲区大小,因为每个 PE 可能具有相对于其他 PE 的传出边缘。
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1D 分区: 每个处理器都会得到 <math>n/p</math> 顶点和相应的外边。这可以理解为按行或按列对邻接矩阵进行展开。对于在这种表示形式上运行的算法,需要一个 All-to-All 连接步骤以及 <math> mathcal{o}(m)</math> 消息缓冲区大小,因为每个 PE 可能具有相对于其他 PE 的输出边。
     
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