Hello, the latest development version of sumo supports additional options for restricting the set of vehicles which generate fcd output as well as reducing the output period. ( http://sumo.dlr.de/wiki/Simulation/Output/FCDOutput#Instantiating_within_the_Simulation ) regards, Jakob
2018-03-21 9:59 GMT+01:00 Thuresson, Daniel < [email protected]>: > Hi, > > I'm running win7 and python 2.7.14 and SUMO 0.30.0. I will try to > investigate if firewall/virus scanner issue. / > > -----Original Message----- > From: [email protected] [mailto:[email protected]] > On Behalf Of Michael Behrisch > Sent: den 16 mars 2018 21:21 > To: Sumo project User discussions <[email protected]> > Subject: Re: [sumo-user] fcd-output: speed issue > > Hi Daniel, > I could not reproduce it. I did a small test generating an fcd file of > about 350MB resulting in a gpsdat file of about 18MB. Both runs took about > two minutes on my PC (Windows 7 with Python 2.7.11). What is your platform? > There may be some interferring virus scanner or firewall watching your > sockets. > > Best regards, > Michael > > Am 16.03.2018 um 10:14 schrieb Jakob Erdmann: > > Hello, > > i haven't personally used this method of operation so I have no data > > to compare too. However, your finding does not surprise me insofar as > > sumo still generates the full amount of xml output. Most likely the > > socket buffering parameters are not optimized for speed as they are > > for writing to disk. I'm forwarding this to my colleague who may be > > able to help with setting the correct parameters. > > > > regards, > > Jakob > > > > 2018-03-16 8:23 GMT+01:00 Thuresson, Daniel > > <[email protected] > > <mailto:[email protected]>>: > > > > Hi,____ > > > > __ __ > > > > I tried to use the fcd-output and write data to a port. The reason > > for this is to avoid large files, which I have assumed slows down > > the computation.____ > > > > __ __ > > > > I do this by first starting python in a command prompt:____ > > > > c:\temp\SUMO_RESULTS_automized\Simulations>python traceExporter.py > > –fcd-input 43214 --delta-t 1 --begin 3000 --gpsdat-output > > test.txt____ > > > > __ __ > > > > Then I start SUMO with:____ > > > > SumoVersion --time-to-teleport 80 --fcd-output localhost:43214 > > --step-length 0.1 -b 0 -e 4501 -n netPath -r PHEMrouPath -a addPath > > --start --quit-on-end &____ > > > > __ __ > > > > My problem with this is that the simulation runs significantly > > slower than when running without fcd-output and creating a very > > large file. ____ > > > > Have I done something wrong? ____ > > > > __ __ > > > > Rgds /Daniel____ > > > > > > _______________________________________________ > > sumo-user mailing list > > [email protected] <mailto:[email protected]> > > To change your delivery options, retrieve your password, or > > unsubscribe from this list, visit > > https://emea01.safelinks.protection.outlook.com/?url= > https%3A%2F%2Fdev.eclipse.org%2Fmailman%2Flistinfo%2Fsumo- > user&data=02%7C01%7Cdaniel.thuresson.2%40volvocars.com% > 7C0c6326d458f34c1708b908d58b7b7562%7C81fa766ea34948678bf4ab35e250 > a08f%7C0%7C0%7C636568284720877369&sdata=UixQaB8Ux38yn%2BKqYT9W5BUuIJsA% > 2BJqobIUHoOoRqjU%3D&reserved=0 > > > > <https://emea01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fde > > v.eclipse.org%2Fmailman%2Flistinfo%2Fsumo-user&data=02%7C01%7Cdaniel.t > > huresson.2%40volvocars.com%7C0c6326d458f34c1708b908d58b7b7562% > 7C81fa766ea34948678bf4ab35e250a08f%7C0%7C0%7C636568284720877369&sdata= > UixQaB8Ux38yn%2BKqYT9W5BUuIJsA%2BJqobIUHoOoRqjU%3D&reserved=0> > > > > > > > _______________________________________________ > sumo-user mailing list > [email protected] > To change your delivery options, retrieve your password, or unsubscribe > from this list, visit > https://dev.eclipse.org/mailman/listinfo/sumo-user >
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