Patent ID: 9292443
Filing Date: 2016-03-22
CPC Classification: G06F

Claim Text:
1. A method for fetching a cache line into caches of a multilevel cache system, the multilevel cache system comprising at least a first cache, a second cache on a next higher level and a memory, the first cache being arranged to hold a subset of information of the second cache, the second cache being arranged to hold a subset of information of a next higher level cache or memory if no higher level cache is present, the method comprising: sending a fetch request from one cache to the next higher level cache in the multilevel cache system; based on the fetch request, fetching a cache line into one cache of a plurality of caches of the multilevel cache system, the cache line in the one cache having a particular state; and based on the fetch request, fetching the cache line into another cache of the plurality of caches, wherein the cache line in the other cache has another state, the other state being a different state than the particular state.