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.
SPE用直接内存访问（DMA）命令访问主存储器，可以在主存储器与称为本地库或本地存储（LS）的私有本地内存之间移动数据和指令。
The SPEs access main storage with direct memory access (DMA) commands that move data and instructions between main storage and a private local memory, called a local store or local storage (LS).
计算机系统的运行不能离开主存储器，也被称为内存、主存、基本主存，及随机存储处理器(RAM)，或简单记忆体。
A computer system could not operate without main memory, also called internal memory, primary memory, primary storage, random access memory (RAM), or simply memory.
存储器诊断单元使第二处理器执行存储器诊断程序来对主存储器进行诊断，并识别主存储器中的缺陷区。
The memory-diagnostic unit causes the second processor to execute a memory-diagnostic program to diagnose the main memory, and identifies a defective area in the main memory.
存储器诊断单元使第二处理器执行存储器诊断程序来对主存储器进行诊断，并识别主存储器中的缺陷区。
The memory-diagnostic unit causes the second processor to execute a memory-diagnostic program to diagnose the main memory, and identifies a defective area in the main memory.
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