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The decode process is brocken into three address translation steps: system to channel,channel to rank,and finally rank to Dram device.The fist two steps each involve division and subtraction. The divison reduces the address space based on the number of interleave ways, and the subtraction adjusts for offsets between the different address spaces. The rank to Dram address translation step requires only muxing because of the matching address space sizes and lack of interleaving at this level.
这上面那句话后面将这个地址解码做了进一步分析。不明白的就是the number of interleave ways 指的是什么?是需要从几个内存控制器去读取吗?
在解码的最后一步,从rank到dram为什么需要的是muxing,如何理解? |
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