[OSRM-talk] map matching service for a huge number of requests

[Patrick Agin]

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 <BSayer at s-3.com>:

> 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 <agin.patrick at gmail.com>
> *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
>
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