astar: Switch from std hashmap to hashbrown #335
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This offers a 30% improvement on the benchmark with zero other changes:
a_star_test_map time: [24.398 µs 24.607 µs 24.873 µs]
change: [-31.335% -30.672% -29.858%] (p = 0.00 < 0.05)
Real-world results were similar.
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This offers a 30% improvement on the benchmark with zero other changes:
Real-world results were similar.