Invention Grant
US08954680B2 Modifying data prefetching operation based on a past prefetching attempt 有权
根据过去的预取尝试修改数据预取操作

Modifying data prefetching operation based on a past prefetching attempt
Abstract:
A method, apparatus and product for data prefetching. The method comprising: prefetching data associated with a load instruction of a computer program, wherein the prefetching is performed in anticipation to performing the load instruction, whereby the data is retained in the cache; detecting whether the prefetched data of the prefetching is invalidated after the prefetching commenced and prior to performing the load instruction; and adaptively determining whether to modify the prefetching data operation associated with the load instruction in response to the detection.
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