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    State machine based filtering of non-dominant branches to use a modified gshare scheme
    1.
    发明申请
    State machine based filtering of non-dominant branches to use a modified gshare scheme 有权
    基于状态机的非优势分支过滤使用修改的gshare方案

    公开(公告)号：US20050257036A1

    公开(公告)日：2005-11-17

    申请号：US10844300

    申请日：2004-05-12

    申请人： Brian Prasky ,  Moinuddin Khalil Qureshi

    发明人： Brian Prasky ,  Moinuddin Khalil Qureshi

    IPC分类号： G06F9/00 ,  G06F9/38

    CPC分类号： G06F9/3806 ,  G06F9/3848

    摘要： Disclosed is a method and apparatus providing the ability to create a multi-level prediction algorithm where branch predictions beyond the first level of prediction are maintained at a secondary level because the prior level was unsuccessfully able to highly predict accurate the direction of the stated branch. A secondary level is smaller in size than the upper level through selected filtering thereby enabling high prediction accuracy of branches while minimizing the amount of hardware to perform stated predictions.

    摘要翻译： 公开了一种提供创建多级预测算法的能力的方法和装置，其中超过第一预测级别的分支预测保持在次级级别，因为先前级别不能高精度地预测所述分支的方向。 通过所选择的滤波，次级电平的尺寸小于上电平，从而能够实现分支的高预测精度，同时最小化执行所述预测的硬件量。