EPPY based periodic simulation results

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I am using eppy for running energy plus with a specified .idf file and weather file. After simulation has run i get the results. How do i specify the simulation time and update interval. For example: the simulation should run for 3 days and update should be obtained at an hourly basis. So basically i want to obtain hourly updates and then using my own optimization techniques send out changes. Please provide certain instructions on how i can obtain these updates and then accordingly make changes.