| 摘要 |
A method and apparatus for hardware support of the thread level speculation for existing processor cores without having to change the existing processor core, processor core's interface, or existing caches on the L1, L2 or L3 level. Architecture support for thread speculative execution by adding a new cache level for storing speculative values and a dedicated bus for forwarding speculative values and control. The cache level is hierarchically positioned between the cache levels L1 and L2 cache levels.
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