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System and method for prefetching data using a hardware prefetch mechanism
System and method for prefetching data using a hardware prefetch mechanism
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机译:使用硬件预取机制预取数据的系统和方法
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摘要
A data processing system includes a processor having a first level cache and a prefetch engine. Coupled to the processor are a second level cache and a third level cache and a system memory. Prefetching of cache lines is performed into each of the first, second, and third level caches by the prefetch engine. Prefetch requests from the prefetch engine to the second and third level caches is performed over a private prefetch request bus, which is separate from the bus system that transfers data from the various cache levels to the processor.
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