this post was submitted on 22 Aug 2023
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Because the processing is done on your phone, not by servers with enormous quantities of map data stores in RAM in the cloud.
but google maps also works offline, does it store the routes in memory? is it more convenient than calculating the route locally?
We're talking about servers storing tens or hundreds of gigabytes of map data in RAM. Your phone doesn't even have that capability. That's why calculating a route on OSM is slow and Google is fast