Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Toru Hikichi0
Date of Patent
May 29, 2012
0Patent Application Number
128056910
Date Filed
August 13, 2010
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A common L2 cache unit of a CPU constituting a multicore processor, in addition to a PFPORT arranged for each CPU core unit, has a common PFPORT shared by the plurality of the CPU core units. The common PFPORT secures an entry when the prefetch request loaded from the PFPORT into a L2 pipeline processing unit fails to be completed. The uncompleted prefetch request is loaded again from the common PFPORT to the L2 pipeline processing unit.
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