PPE用载入和存储指令访问主存储器(有效地址空间)，可以在主存储器与内容可以缓存的私有寄存器文件之间移动数据。
The PPE accesses main storage (the effective-address space) with load and store instructions that move data between main storage and a private register file, the contents of which may be cached.
当CPU下次读取相同地址时，数据将从高度缓存中而不是主存储器中传出。
The next time the CPU reads the same address, the data is transferred from the cache memory instead of from main memory.
当CPU下次读取相同地址时，数据将从高度缓存中而不是主存储器中传出。
The next time the CPU reads the same address, the data is transferred from the cache memory instead of from main memory.
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