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Mechanism for sharing data cache resources between data prefetch operations and normal load/store operations in a data processing system
Mechanism for sharing data cache resources between data prefetch operations and normal load/store operations in a data processing system
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机译:在数据处理系统中的数据预取操作和常规加载/存储操作之间共享数据缓存资源的机制
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摘要
A data processing system (10) provides a mechanism for choosing when the data stream touch (DST) controller (300) is allowed access to the data cache and MMU (50). The mechanism uses a count value to determine at what point in program execution the DST controller (300) is allowed to interrupt normal load and store accesses. This allows DST prefetches to be optimized for maximum performance of the data processing system (10).
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