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32 entries may sound small by modern standards (current x86 processors have thousands of TLB entries), but it covers 128 KB of memory -- enough for the working set of most 1980s programs. A TLB miss is not catastrophic either; the hardware page walker handles it transparently in about 20 cycles.
。关于这个话题，Line官方版本下载提供了深入分析
// 栈不为空时才判断（避免访问stack.at(-1)时报错）。WPS下载最新地址对此有专业解读
災後重建面臨的一個普遍問題是時間，這對無家可歸的災民尤其重要。
Юлия Сычева (корреспондент)