As a mechanism of branch prediction always has limitation . A hybrid branch prediction was presented.
由于一种分支预测方式总会有一些缺陷,所以复合分支预测方式就被提出来。
Confidence estimation is used to evaluate the possibility of a branch prediction to be correct.
使用置信度评估方案来判断转移预测结果正确的概率,即转移预测的可信度。