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Replace dynamic distance calculation for table plugin with pre-calculated distances on shortcuts, avoiding unpacking cost.

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Adds approx 10% to total data size.  Speeds up large table requests by 2 orders of magnitude.

Co-authored-by: Kajari Ghosh <ghoshkaj@gmail.com>
This commit is contained in:
Daniel Patterson
2018-10-29 21:47:49 -07:00
parent 5327f8da4e
commit 498259b220
48 changed files with 767 additions and 995 deletions
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src/engine/routing_algorithms/alternative_path_ch.cpp
+1 -1
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@@ -90,7 +90,7 @@ void alternativeRoutingStep(const DataFacade<Algorithm> &facade,
else
{
// check whether there is a loop present at the node
const auto loop_weight = getLoopWeight<false>(facade, node);
const auto loop_weight = std::get<0>(getLoopWeight<false>(facade, node));
const EdgeWeight new_weight_with_loop = new_weight + loop_weight;
if (loop_weight != INVALID_EDGE_WEIGHT &&
new_weight_with_loop <= *upper_bound_to_shortest_path_weight)