{
 "description": "PR #3187 head: 720 worlds x 75 shapes with dense pairwise self-collision filters. 'compact' keeps builder filters in replicated-block storage; 'materialized' reads builder.shape_collision_filter_pairs first, forcing the plain-list compatibility path. Mean of 3 runs.",
 "pr_commit": "5205aa49fb900e124f06122bf7e82ed7686a1fde",
 "worlds": 720, "shapes_per_world": 75, "runs": 3, "device": "cpu",
 "created_at": "2026-07-02",
 "metrics": {
  "build_s": {"compact": 0.481146, "materialized": 0.896031, "delta_pct": -46.3},
  "finalize_s": {"compact": 2.266019, "materialized": 4.751368, "delta_pct": -52.3},
  "broadphase_filter_s": {"compact": 3.873527, "materialized": 2.561672, "delta_pct": 51.2},
  "total_s": {"compact": 2.747165, "materialized": 5.647399, "delta_pct": -51.4},
  "total_with_broadphase_filter_s": {"compact": 6.620692, "materialized": 8.209071, "delta_pct": -19.3}
 },
 "invariants": {"filter_pairs": 3996000, "contact_pairs": 54000, "excluded_pairs": 1998000}
}