[jboss-jira] [JBoss JIRA] Created: (JBRULES-681) Multi-threaded local search solving

[Geoffrey De Smet (JIRA)]

Multi-threaded local search solving
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                 Key: JBRULES-681
                 URL: http://jira.jboss.com/jira/browse/JBRULES-681
             Project: JBoss Rules
          Issue Type: Feature Request
      Security Level: Public (Everyone can see)
          Components: Solver
            Reporter: Geoffrey De Smet
         Assigned To: Geoffrey De Smet
            Priority: Optional


Use Future's to spread all possible moves in each step over a number of threads.
This number of threads is equal to the number of cpu's by default, as no IO is done during solving.

Problems:
- each thread will needs it own WorkingMemory and during a step, each working memory will need to be updated
- a bunch of classes will need to be thread safe, or at least visibility save, such as bestsolutionrecaller.
- Barriers will be needed to collect the result of each step
- decks might be a great way to spread out the load

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