<html><head><meta http-equiv="Content-Type" content="text/html charset=iso-8859-1"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><div>Hi Peter,</div><div><br></div><div>Here is an example where time difference is around +40% . The good duration is 1h05 min</div><div><br></div><a href="http://graphhopper.com/maps/?point=47.87502,-3.92245&point=48.44791,-4.41854&vehicle=car">http://graphhopper.com/maps/?point=47.87502,-3.92245&point=48.44791,-4.41854&vehicle=car</a><div>Graphhopper : 1h23 min<br><div><br></div><div><br></div><div><a href="http://map.project-osrm.org/?hl=fr&loc=47.87502,-3.92245&loc=48.44791,-4.41854">http://map.project-osrm.org/?hl=fr&loc=47.87502,-3.92245&loc=48.44791,-4.41854</a></div><div>OSRM : 01h04 min</div><div><br></div><div><br></div><div>Thanks for your help </div><div><br></div><div>Guillaume</div><div><br></div><div><br></div><div><br><div><div>Le 2 juil. 2013 à 14:37, Peter K <<a href="mailto:peathal@yahoo.de">peathal@yahoo.de</a>> a écrit :</div><br class="Apple-interchange-newline"><blockquote type="cite">Hi Guillaume,<br><br>I do not know internals from OSRM but GraphHopper could probably need<br>some tuning there (e.g. less speed in cities, less speed for turns, ...).<br><br>Do you have some example links for OSRM where you encounter big differences?<br><br>Regards,<br>Peter.<br><br><blockquote type="cite">Hello,<br><br>We are testing Graphhopper and OSRM and we have found some differences in routing times :<br><br>- Graphhopper returns longer driving time as OSRM does (except for very short distance between 2 cities). It appears that OSRM driving durations are closer to the real durations compare to Graphhopper.<br>- We have set same speed parameters (when there is no max speed) on Graphhopper (carflagencoder.java) and OSRM (car profile).<br><br>Both Graphhopper and OSRM seems to be using CH.<br><br>How to explain these difference in driving time ? Is there a way to modify parameters on Graphhopper to get driving durations closer to the real ones ?<br><br>Thank you<br><br>Guillaume<br>_______________________________________________<br>GraphHopper mailing list<br><a href="mailto:GraphHopper@openstreetmap.org">GraphHopper@openstreetmap.org</a><br>http://lists.openstreetmap.org/listinfo/graphhopper<br><br></blockquote><br><br>_______________________________________________<br>GraphHopper mailing list<br><a href="mailto:GraphHopper@openstreetmap.org">GraphHopper@openstreetmap.org</a><br>http://lists.openstreetmap.org/listinfo/graphhopper<br></blockquote></div><br></div></div></body></html>