A giant leap forward with multithreaded incremental solving

OptaPlanner finally supports multithreaded incremental solving. The speedup is spectacular. Even with just a few CPU cores, it triples the…

Read More »

Integrating JPA Hibernate with OptaPlanner

We’ve been improving the integration of OptaPlanner with the rest of JEE, so it’s easier to build end user applications…

Read More »

OptaPlanner – Scaling Vehicle Routing with Nearby Selection

OptaPlanner 6.2 has made big step forward for the Vehicle Routing Problem (VRP), Traveling Salesman Problem (TSP) and similar use…

Read More »

OptaPlanner – Open benchmarks for the win

Recently, there was some commotion on Twitter because a competitor heavily restricts publicising benchmarks of their Solver as part of…

Read More »

OptaPlanner – Vehicle routing with real road distances

In the real world, vehicles in a Vehicle Routing Problem (VRP) have to follow the roads: they can’t travel in…

Read More »

Score DRL: faster and easier in OptaPlanner

For OptaPlanner (= Drools Planner) 6.0.0.Beta1, I ‘ve replaced the ConstraintOccurrence with the much more elegant ConstraintMatch system. The result…

Read More »