Patent ID: 8607000
Filing Date: 2013-12-10
Classification: G06F,H03K,H03M,Y02D

Abstract:
1. A data processing system comprising: a central processing unit executing program instructions to manipulate data; at least one first level cache connected to said central processing unit temporarily storing in a plurality of cache lines at least one of program instructions for execution by said central processing unit and data for manipulation by said central processing unit, said at least one first level cache having a cache line size of less than or equal to N bits; and a second level cache connected to said first level cache temporarily storing in a plurality of cache lines at least one of program instructions for execution by said central processing unit and data for manipulation by said central processing unit, said second level cache having a cache line size of 2N bits; and a cache operation unit connected to said at least one first level cache and said second level cache operable upon a cache miss in said at least one first level cache and a cache miss in said second level cache in response to a request from said central processing unit at a generated address, said cache operation unit operable to