System and method for prefetching data

System and method for prefetching data

  • CN 101,751,246 A
  • Filed: 11/12/2009
  • Published: 06/23/2010
  • Est. Priority Date: 12/15/2008
  • Status: Active Application
First Claim
Patent Images

1. system comprises:

  • Data cache, it is configured to store at least one instruction;

    Processor, it links to each other with described data cache in operation, and described processor is configured to carry out described at least one instruction;

    Prefetch controller, it links to each other with described data cache in operation, described prefetch controller is configured to receive first tuple that comprises first instruction ID and the first miss data address, described prefetch controller also is configured to retrieve the final data access address and deducts described final data access address to generate instruction/step-length tuple from the described first miss data address, and described prefetch controller is configured to use described instruction/step-length tuple to generate the prefetch address of prediction;

    AndPrefetch, it is configured to receive the prefetch address of described prediction and the prefetch address of described prediction is offered described data cache from described prefetch controller.

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