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Transferring Power and Speed from a Lock Requester to a Lock Holder on a System with Multiple Processors

  • US 20120144218A1
  • Filed: 12/03/2010
  • Published: 06/07/2012
  • Est. Priority Date: 12/03/2010
  • Status: Abandoned Application
First Claim
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1. A computer implemented method for allocating power between processors in a multiprocessor system, the method comprising:

  • receiving a request to acquire a lock from a first thread executing on a first processor;

    responsive to receiving the request to acquire a lock, determining whether a second thread has acquired the lock;

    responsive to determining that the second thread has acquired the lock, identifying an original frequency of the first thread executing on the first processor and identifying an operating frequency of the second thread executing on the second processor; and

    altering the operating frequency of the second thread executing on the second processor based on the original frequency of the first thread executing on the first processor.

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