| 摘要 |
A multiprocessor system of a distributed shared memory structure has a hot plug function for main memories. Each of nodes of the multiprocessor system has a processor, an IO unit, a main memory, a mover, and a routing control unit. If a memory read access request is issued from the processor, the IO unit, or the mover to the main memory of a master node, the routing control unit instructs the master node to transfer the memory read access request. If a memory write access request is issued from the processor, the IO unit, or the mover to the main memory of the master node, the routing control unit instructs both the master node and a slave node to transfer the memory write access request when in a multicasting mode, and instructs only the master node to transfer the memory write access request when not in the multicasting mode.
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