Tracking the content of a cache using a way tracker having entries with a cache miss indicator
A cache is provided comprising a plurality of ways, each way of the plurality of ways comprising a data array, wherein a data item stored by the cache is stored in the data array of one of the plurality of ways. A way tracker of the cache has a plurality of entries, each entry of the plurality of en...
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| creator | Rafacz Todd Larri Guy Dooley Miles Robert |
| description | A cache is provided comprising a plurality of ways, each way of the plurality of ways comprising a data array, wherein a data item stored by the cache is stored in the data array of one of the plurality of ways. A way tracker of the cache has a plurality of entries, each entry of the plurality of entries for storing a data item identifier and for storing, in association with the data item identifier, an indication of a selected way of the plurality of ways to indicate that a data item identified by the data item identifier is stored in the selected way. Each entry of the way tracker is further for storing a miss indicator in association with the data item identifier, wherein the miss indicator is set by the cache when a lookup for a data item identified by that data item identifier has resulted in a cache miss. A corresponding method of caching data is also provided. |
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A way tracker of the cache has a plurality of entries, each entry of the plurality of entries for storing a data item identifier and for storing, in association with the data item identifier, an indication of a selected way of the plurality of ways to indicate that a data item identified by the data item identifier is stored in the selected way. Each entry of the way tracker is further for storing a miss indicator in association with the data item identifier, wherein the miss indicator is set by the cache when a lookup for a data item identified by that data item identifier has resulted in a cache miss. 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A way tracker of the cache has a plurality of entries, each entry of the plurality of entries for storing a data item identifier and for storing, in association with the data item identifier, an indication of a selected way of the plurality of ways to indicate that a data item identified by the data item identifier is stored in the selected way. Each entry of the way tracker is further for storing a miss indicator in association with the data item identifier, wherein the miss indicator is set by the cache when a lookup for a data item identified by that data item identifier has resulted in a cache miss. 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A way tracker of the cache has a plurality of entries, each entry of the plurality of entries for storing a data item identifier and for storing, in association with the data item identifier, an indication of a selected way of the plurality of ways to indicate that a data item identified by the data item identifier is stored in the selected way. Each entry of the way tracker is further for storing a miss indicator in association with the data item identifier, wherein the miss indicator is set by the cache when a lookup for a data item identified by that data item identifier has resulted in a cache miss. A corresponding method of caching data is also provided.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | CALCULATING COMPUTING COUNTING ELECTRIC DIGITAL DATA PROCESSING PHYSICS |
| title | Tracking the content of a cache using a way tracker having entries with a cache miss indicator |
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