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Synchronization of Iterative Methods for Solving Optimization Problems with Concurrent Methods for Forecasting in Stream Computing
Synchronization of Iterative Methods for Solving Optimization Problems with Concurrent Methods for Forecasting in Stream Computing
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机译:流计算中并行求解优化问题的迭代方法与并行预测方法的同步
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摘要
A mechanism is provided for synchronization of concurrent optimization and forecasting. A change between current forecast input data most recently received from a forecasting mechanism and forecast input data used in a current iterative execution of a mechanism for solving optimization problems is estimated with respect to the objective function employed in the optimization problem. A threshold is estimated by evaluating the progress of the mechanism for solving optimization problems in a current execution. A determination is made as to whether the change is greater than or equal to the threshold. Responsive to the change being greater than or equal to the threshold, further computation by the mechanism for solving optimization problems is canceled, restarted, or rescheduled. Responsive to the change being less than the threshold, computation by the sensitivity-aware scheduler is allowed to continue.
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