Thank you. On Tue, Feb 2, 2021 at 5:33 AM Jakob Erdmann <[email protected]> wrote:
> see > https://sumo.dlr.de/docs/Simulation/Basic_Definition.html#defining_the_time_step_length > > Am Di., 2. Feb. 2021 um 00:49 Uhr schrieb . Abdullah <[email protected]>: > >> Thank you for the explanation. If the simulation step-length doesn't >> determine the simulation speed, then what is it used for? What is the >> purpose of the step-length and how happens during 1 traci.simulationStep()? >> >> On Mon, Feb 1, 2021 at 12:21 AM Jakob Erdmann <[email protected]> >> wrote: >> >>> If you need to start a fresh simulation, you can use traci.load([ ]) >>> which reloads the network and also allows to set all simulation options. >>> getDeltaT is not suited for measing simulation speed. It simply returns >>> the step-length that was set via options. >>> To measure execution speed you could take the average wall-clock time >>> over multiple calls to traci.simulationStep. >>> >>> regards, >>> Jakob >>> >>> Am So., 31. Jan. 2021 um 20:14 Uhr schrieb . Abdullah <[email protected] >>> >: >>> >>>> Hi, >>>> >>>> thank you for the answer. Looking at traci.simulation.loadState, it >>>> only takes a filename, is there a way to specify these options >>>> (["--step-length", >>>> "0.5", '--save-state.rng', "--step-method.ballistic", "--no-step-log", >>>> "--no-warnings"], port=port) like I can for traci.start >>>> >>>> Also, when I measure the time across traci.simulation.getDeltaT(), it >>>> takes from 0 to 0.001 seconds rather than 0.5 seconds. So, I am a bit >>>> confused about how long it actually takes for sumo to perform one >>>> simulation step? >>>> >>>> On Sun, Jan 31, 2021 at 5:44 AM Jakob Erdmann <[email protected]> >>>> wrote: >>>> >>>>> Hello, >>>>> the delay most likely comes from loading the network and setting up >>>>> all the necessary simulation objects in memory. >>>>> If you need to start a simulation repeatedly, you can avoid the >>>>> overhead of network loading by calling traci.simulation.saveState and >>>>> traci.simulation.loadState >>>>> >>>>> regards, >>>>> Jakob >>>>> >>>>> Am Sa., 30. Jan. 2021 um 23:15 Uhr schrieb . Abdullah < >>>>> [email protected]>: >>>>> >>>>>> Hi all, >>>>>> >>>>>> I have two codes below. In traci_demo_v1, I have a loop that just >>>>>> starts and closes a simulation and prints the time taken to do so. In >>>>>> windows, it takes around 0.5 secs but when I check my task manager >>>>>> (Memory >>>>>> Usage.PNG file attached below) I see only some memory use of 35MB and no >>>>>> disk usage. So I was wondering why it takes so long to start or load a >>>>>> state (without gui)? Is there any way to reduce this time? Also, in >>>>>> traci_demo_v2 I have a simulation that runs for sometime with step-length >>>>>> 0.5. But when I measure the time across traci.simulation.getDeltaT(), it >>>>>> takes from 0 to 0.001 seconds rather than 0.5 seconds. So, I am a bit >>>>>> confused about how long it actually takes for sumo to perform one >>>>>> simulation step? >>>>>> >>>>>> I am using SUMO v1.7. >>>>>> >>>>>> >>>>>> -- >>>>>> Thank you. >>>>>> Abdullah >>>>>> _______________________________________________ >>>>>> sumo-user mailing list >>>>>> [email protected] >>>>>> To unsubscribe from this list, visit >>>>>> https://www.eclipse.org/mailman/listinfo/sumo-user >>>>>> >>>>> _______________________________________________ >>>>> sumo-user mailing list >>>>> [email protected] >>>>> To unsubscribe from this list, visit >>>>> https://www.eclipse.org/mailman/listinfo/sumo-user >>>>> >>>> >>>> >>>> -- >>>> Thank you. >>>> Abdullah >>>> _______________________________________________ >>>> sumo-user mailing list >>>> [email protected] >>>> To unsubscribe from this list, visit >>>> https://www.eclipse.org/mailman/listinfo/sumo-user >>>> >>> _______________________________________________ >>> sumo-user mailing list >>> [email protected] >>> To unsubscribe from this list, visit >>> https://www.eclipse.org/mailman/listinfo/sumo-user >>> >> >> >> -- >> Thank you. >> Abdullah >> _______________________________________________ >> sumo-user mailing list >> [email protected] >> To unsubscribe from this list, visit >> https://www.eclipse.org/mailman/listinfo/sumo-user >> > _______________________________________________ > sumo-user mailing list > [email protected] > To unsubscribe from this list, visit > https://www.eclipse.org/mailman/listinfo/sumo-user > -- Thank you. Abdullah
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