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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Rather than being the new John Lennon, or even Justin Timberlake, Cruz's reedy voice and upbeat retro psych pop could make him the new Crispian Mills - another nepo-rocker (the son of actress Hayley Mills and grandson of actor Sir John), whose band Kula Shaker made it moderately big in the afterglow of Britpop.，详情可参考heLLoword翻译官方下载