Method And Apparatus For Cache Occupancy Determination And Instruction Scheduling

Abstract: An apparatus and method for determining whether data needed for one or more operations is stored in a cache and scheduling the operations for execution based on the determination. For example one embodiment of a processor comprises: a hierarchy of cache levels for caching data including at least a level 1 (L1) cache; cache occupancy determination logic to determine whether data associated with one or more subsequent operations is stored in one of the cache levels; and scheduling logic to schedule execution of the subsequent operations based on the determination of whether data associated with the subsequent operations is stored in the cache levels.

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