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Apparatus and method for a non-power-of-2 size cache in a first level memory device to cache data present in a second level memory device
Apparatus and method for a non-power-of-2 size cache in a first level memory device to cache data present in a second level memory device
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机译:用于第一级存储设备中的非2幂次幂高速缓存以缓存第二级存储设备中存在的数据的设备和方法
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摘要
Provided are an apparatus and method for a non-power-of-2 size cache in a first level memory device to cache data present in a second level memory device having a 2n cache size. A request is to a target address having n bits directed to the second level memory device. A determination is made whether a target index, comprising m bits of the n bits of the target address, is within an index set of the first level memory device. A determination is made of a modified target index in the index set of the first level memory device having at least one index bit that differs from a corresponding at least one index bit in the target index. The request is processed with respect to data in a cache line at the modified target index in the first level memory device.
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机译:提供了一种用于第一级存储设备中的非2幂次幂高速缓存的设备和方法,以缓存存在于具有2 n Sup>高速缓存大小的第二级存储设备中的数据。向具有第二个存储装置的n位的目标地址的请求。确定包括目标地址的n位中的m位中的m位的目标索引是否在第一级存储设备的索引集中。确定第一级存储设备的索引集中的修改后的目标索引,该目标索引具有至少一个索引位,该索引位与目标索引中的对应的至少一个索引位不同。针对在第一级存储设备中的修改后的目标索引处的高速缓存行中的数据处理请求。
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