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METHOD FOR IMPLEMENTING DYNAMIC LIFETIME RELIABILITY EXTENSION FOR MICROPROCESSOR ARCHITECTURES

  • US 20090178051A1
  • Filed: 05/09/2008
  • Published: 07/09/2009
  • Est. Priority Date: 01/04/2008
  • Status: Abandoned Application
First Claim
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1. A method for implementing dynamic lifetime reliability extension for microprocessor architectures, the method comprising:

  • configuring a plurality of primary resources;

    configuring a secondary resource pool having one or more secondary resources;

    configuring a resource operational mode controller to selectively switch each of the primary and secondary resources between an operational mode and a non-operational mode, wherein the operational mode corresponds to performance of one or more tasks for which a given resource is designed to execute with respect to a microprocessor system and wherein the non-operational mode corresponds to a temporary lifetime extension process for at least one of suspending the aging of resources and extending the aging of resources;

    configuring a resource mapper associated with the secondary resource pool and in communication with the resource operational mode controller to map a secondary resource placed into the operational mode to a corresponding primary resource placed into the non-operational mode, and to un-map a secondary resource from a corresponding primary resource in the event the corresponding primary resource is placed back into the operational mode; and

    configuring a transaction decoder to receive incoming transaction requests and, responsive to the resource operational mode controller, direct the requests to one of a primary resource in the operational mode and a secondary resource in the operational mode, the secondary resource mapped to an associated primary resource placed in the non-operational mode.

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