To whom it may concern: The simulation could complete without the SSM device; The simulation could also finish with edgedumps; The simulation could finish using SSM device in the scale of 1.8(nearly 2) with 25% memory usage. However, it would shut down using SSM device in the scale of 3 with only 40% memory usage by that time. I think the hardware requirement is under mine. As a result, I would try to change the critiria and methodology with this specfic scenario if the simulation could finish and the conclusion is obvious, logic and coherent. Otherwise I may forgive it. Have a nice day!
Best wishes, Haotian Li On Mon, 23 Aug 2021 at 17:57, Mirko Barthauer <m.bartha...@t-online.de> wrote: > Hi, > > I had similar issues as described by Haotian Li with the SSM device when > calculating SSM measures for many vehicles. I had the impression the number > of simultaneous SSM vehicles was more important in this case but did not do > more formal checks. In my case, I solved it by refining the research > question to only enable the device for certain vehicles (e.g. by type, by > route,...) > > Best regards > Mirko > Am 23.08.2021 um 11:47 schrieb Jakob Erdmann: > > Hello, > the SSM device is not very memory efficient and has only been used on > medium sized scenarios thus far. > However, a shutdown of the simulation might also be due to a software bug > (i.e. due to a combination of untested options or an untested traffic > situation). > > Does the simulation complete successfully without SSM device? > Does the simulation complete with SSM device and default scale value? How > much memory does it consume in this case? > How big is the simulation (total number of vehicles, approximate number of > simultaneous vehicles)? > > regards, > Jakob > > Am Mo., 23. Aug. 2021 um 09:58 Uhr schrieb Haotian Li < > haotian...@ucdconnect.ie>: > >> To whom it may concern: >> >> I am Haotian Li, a senior student from UCD and BJUT. I'm here to ask >> something about the hardware requirement for sumo-gui. I am working on a >> summer internship using this software as a tool. When I tried to simulate >> the urban networks using the scale of 3(try to provide traffic jams), I >> used SSM devices to detect TTC and PET and record conflict loading in >> conflict.xml and do statistics research after simulation ended. However, I >> found that 16G RAM can't afford the stress of caching index files and it >> would break down while simulating. Then, I tried the 32G one and it would >> also shut down even if the memory usage is not high. Would you please give >> me some suggestions to fix it? Or I may forgive this scenario because the >> DDL is approaching. Looking forward to your reply. Have a nice day! >> >> Yours sincerely, >> Haotian Li >> _______________________________________________ >> sumo-dev mailing list >> sumo-dev@eclipse.org >> To unsubscribe from this list, visit >> https://www.eclipse.org/mailman/listinfo/sumo-dev >> > > _______________________________________________ > sumo-dev mailing listsumo-...@eclipse.org > To unsubscribe from this list, visit > https://www.eclipse.org/mailman/listinfo/sumo-dev > > _______________________________________________ > sumo-dev mailing list > sumo-dev@eclipse.org > To unsubscribe from this list, visit > https://www.eclipse.org/mailman/listinfo/sumo-dev >
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