[jboss-jira] [JBoss JIRA] (JBRULES-681) Multi-threaded Solver: construction heuristics, local search, ...
Geoffrey De Smet (JIRA)
jira-events at lists.jboss.org
Mon Feb 20 15:17:36 EST 2012
[ https://issues.jboss.org/browse/JBRULES-681?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Geoffrey De Smet updated JBRULES-681:
-------------------------------------
Summary: Multi-threaded Solver: construction heuristics, local search, ... (was: Multi-threaded local search, tabu search, ... solving on Decider.decideNextStep)
Priority: Critical (was: Major)
> Multi-threaded Solver: construction heuristics, local search, ...
> ------------------------------------------------------------------
>
> Key: JBRULES-681
> URL: https://issues.jboss.org/browse/JBRULES-681
> Project: Drools
> Issue Type: Feature Request
> Security Level: Public(Everyone can see)
> Components: drools-planner
> Reporter: Geoffrey De Smet
> Assignee: Geoffrey De Smet
> Priority: Critical
>
> 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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