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Managing Threads in a Wake-and-Go Engine

  • US 20100269115A1
  • Filed: 04/16/2009
  • Published: 10/21/2010
  • Est. Priority Date: 04/16/2009
  • Status: Active Grant
First Claim
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1. A method, in a data processing system, for performing a wake-and-go operation, the method comprising:

  • detecting a thread running on a first processing unit within a plurality of processing units that is waiting for an event that modifies a data value associated with a target address;

    creating a wake-and-go instance for the thread by populating a wake-and-go storage array with the target address;

    placing the thread in a sleep state;

    responsive to detecting the event that modifies the data value associated with the target address, assigning the wake-and-go instance to a second processing unit within the plurality of processing units; and

    placing the thread in a non-sleep state on the second processing unit.

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