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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，这一点在搜狗输入法2026中也有详细论述
В России ответили на имитирующие высадку на Украине учения НАТО18:04，详情可参考heLLoword翻译官方下载
[사설]계엄 때보다 낮은 지지율 17%… 국힘의 존재 이유를 묻는 민심