Impulse benchmark

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Simulation step time

Scene Bodies Steps Avg ms p95 ms Max ms Peak contacts Awake at end

Full World.step: contacts, solver (10 iterations), integration, sleeping. Scenes with sleeping off keep every body awake so the solver stays loaded. The first 20 steps are untimed warm-up.

Broadphase: spatial hash vs brute force

Bodies Overlapping pairs Spatial hash ms Brute force ms Speedup Same pairs
Raw results