Faster all-pairs shortest paths on a weighted graph

Compute all-pairs shortest-path distances of a 352-node undirected weighted graph faster than SciPy's Dijkstra-based shortest_path.

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	1	+{
	2	+ "domain": "computer-science",
	3	+ "topics": [
	4	+ "scientific-computing",
	5	+ "algorithms-complexity"
	6	+ ],
	7	+ "type": "algorithm",
	8	+ "cover": {
	9	+ "motif": "graph",
	10	+ "n": 6
	11	+ },
	12	+ "benchmark": {
	13	+ "task": "Compute all-pairs shortest paths on a 352-node graph faster than SciPy",
	14	+ "metric": {
	15	+ "name": "Speed-up over the reference implementation (×)",
	16	+ "better": "higher"
	17	+ },
	18	+ "baseline": {
	19	+ "name": "Reference implementation",
	20	+ "score": 1
	21	+ }
	22	+ },
	23	+ "source": {
	24	+ "key": "algotune",
	25	+ "name": "AlgoTune",
	26	+ "url": "https://github.com/oripress/AlgoTune/tree/main/AlgoTuneTasks/shortest_path_dijkstra",
	27	+ "id": "shortest_path_dijkstra",
	28	+ "curator": "Ori Press and the AlgoTune contributors",
	29	+ "poser": "Ori Press et al. (AlgoTune)",
	30	+ "status": "open",
	31	+ "as_of": "2026-10-20",
	32	+ "catalog": "0521c19bbd38"
	33	+ }
	34	+}