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Access speculation predictor with predictions based on a scope predictor
Access speculation predictor with predictions based on a scope predictor
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机译:使用基于范围预测器的预测访问推测预测器
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摘要
An access speculation predictor may predict whether to perform speculative retrieval of data for a data request from a main memory based on whether a scope predictor indicates whether a local or global request is predicted to be necessary to obtain the data for the data request. In particular, a first address and a scope predictor may be extracted from a first data request. A determination may be made as to whether a memory controller receiving the first data request is local to a source of the first data request or not. Speculative retrieval of the data for the first data request from a main memory may be controlled based on whether the memory controller is local to the source of the first data request and whether the scope predictor identifies whether a local or a global request is predicted to be necessary.
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