Very interesting, thanks Bryan. Unfortunately, the requirement about Stata is probably a downer for us.
2018-05-11 13:30 GMT-04:00 Sayer, Bryan <[email protected]>: > We use the Stata implementation OSRMTIME from Stephan Huber at Regensburg > University which can split the data across threads (we have 2 CPUS with > four cores each, and two threads per core). So 16 threads on a 3.5 Ghz Xeon > and 64 GB of RAM, and if the network traffic is low (like on holidays) I > can get about 1.2 million routes per hour in the United States. > > > Of course, this requires having Stata, but we find it is a pretty good way > to do batch routing. I recently did about 460 million routes. But it only > returns distance and time, not the actual route, if that matters. > > > http://www.uni-regensburg.de/wirtschaftswissenschaften/vwl- > moeller/medien/huber/osrm_paper_online.pdf > osrmtime: Calculate Travel Time and Distance with ... > <http://www.uni-regensburg.de/wirtschaftswissenschaften/vwl-moeller/medien/huber/osrm_paper_online.pdf> > www.uni-regensburg.de > The Stata Journal (2016) 16, Number , pp. 1{8 osrmtime: Calculate Travel > Time and Distance with OpenStreetMap Data Using the Open Source Routing > Machine (OSRM) > > > ------------------------------ > *From:* Patrick Agin <[email protected]> > *Sent:* Friday, May 11, 2018 1:14:31 PM > *To:* Mailing list to discuss Project OSRM > *Subject:* [OSRM-talk] map matching service for a huge number of requests > > Hi, > I want to call the map matching service for nearly a million of routes. I > calculated that the task could take 10 hours on my laptop to complete. I > was wondering if there's someone who faced the same problem and who > addressed it in parallel, maybe with Spark? Another tool or way? > Any hint is greatly appreciated! > Patrick > > ****WARNING**** This information may be confidential. It is intended only > for the addressee(s) identified above. If you are not the addressee(s), or > an employee or agent of the addressee(s), please note that any > dissemination, distribution, or copying of this communication is strictly > prohibited. If you have received this information in error, please destroy > the information and notify the sender of the error. Thank you. > > _______________________________________________ > OSRM-talk mailing list > [email protected] > https://lists.openstreetmap.org/listinfo/osrm-talk > >
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