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同一类别物体之间的分量预测
原标题:Branch prediction between objects of same class

I m 优化方案,并努力避免分行错误预测。 我有两个目标。 在班级的主要职能中,有多个“条码”栏目。 每一物体对每一分支部门都采取不同方向,各自在另一处运作。 我的问题:

由于他们重新担任同一类别的成员,因此正在分享这一职能,他们是否也分享同样的分支预测? 从根本上说,我是否使这个系统成为工作队的任务。

Or, since they re their own objects do they have their own branch predictions and therefore maintaining consistent predictions (TTTTTTT... and FFFFFFFF...)

问题回答

是的,该方法在某类情况之间共享。

这也意味着分享预测。

然而,比“最后”时间更有分量预测。 加工商将铭记最后的一些成果,并查明“海洋”模式。 因此,如果你在两个物体和模式之间不断交换<>TFTF<> > 代码>,那么,处理人将正确地猜测下一个结果将是<代码>。 T。

From a semantic point of view, however, did you thought about using a base class and two different derived classes (+ the usual virtual mechanism) ?

由于分支机构的错误预测通常会耗费10至20个周期的次序,因此,在第二多百万次处决的圈子内,它确实具有重要性。 现代邮联在分支部门预测方面做了相当出色的工作,因此很难对这种事情表示担忧(而前5至10年)。





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