发明授权
US08949581B1 Threshold controlled limited out of order load execution 有权
阈值控制限制了无序加载执行

Threshold controlled limited out of order load execution
摘要:
A load scheduler capable of limited issuing of out of order load instruction is disclosed. The load scheduler uses a max skipping threshold which limits the number of skipping load instructions and a max skipped threshold which limits the number of skipped load instructions. An address tag for a skipping instruction is stored in a skipping load instruction tracking unit when a skipping load instruction is issued. When a skipped load instruction issues, the address tag of the skipped load instruction is compared to the address tag of the skipping instruction to determine if a hazard from the out of order issuing of the skipping load instruction caused a hazard and must be flushed.
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