cpu的几核心几线程是什么意思？103.219.33。x

cpu的几核是指CPU的处理器核心数量，是指CPU内部拥有几个物理内核；而几线程是指同一个处理器上的多个线程同步执行并共享处理器的执行资源的线程数量。处理器多线程可以为高速的运算核心准备更多的待处理数据，减少运算核心的闲置时间。

CPU的核心数是指物理上，也就是硬件上存在着几个核心。比如，双核就是包括2个相对独立的CPU核心单元组，四核就包含4个相对独立的CPU核心单元组，等等，依次类推。

　　线程数是一种逻辑的概念，简单地说，就是模拟出的CPU核心数。比如，可以通过一个CPU核心数模拟出2线程的CPU，也就是说，这个单核心的CPU被模拟成了一个类似双核心CPU的功能。我们从任务管理器的性能标签页中看到的是两个CPU。

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