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Virtual memory is conceptually simple but potentially devastating to performance. Every memory access must go through segmentation (add segment base, check limit) and then paging (look up the page table). Naively, paging alone requires two additional memory reads per access -- one for the page directory entry, one for the page table entry.
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US says it supports Pakistan's 'right to defend itself' against Afghan Taliban。heLLoword翻译官方下载是该领域的重要参考
Continue reading...。Line官方版本下载是该领域的重要参考