research: Floating Islands planned around fixed tunnels (L140, 0/16; kept as patch)
Native FI binds and its own route/clearance/mouth-support checks pass on seeds 0 and 10, but 14/16 seeds have no island arrangement that clears the fixed passage tubes and reaches both mouth heights; seed 10 has one composed collision; ripple 6-7 cm vs the 3.5 cm limit on both upper passages. Third failure of the 'islands adapt to fixed tunnels' premise (L133 x2, L140). Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_016dhxM43dnWvUu2B5Ph1iG1
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#!/usr/bin/env python3
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"""Check native Floating Islands owner identity and hashes at W1/W8/W12."""
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from __future__ import annotations
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import json
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import re
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import subprocess
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import time
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from pathlib import Path
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ROOT = Path(__file__).resolve().parents[4]
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OUT = ROOT / "Saved/Linux/l140/determinism"
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DATA = ROOT / "Standalone/data/owner_world.json"
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STAMP = "6205e6c180ef32c41792dc3e0d8bf443a96df41974f40334af4bf3a157ab88da"
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BINARIES = {
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"clang": ROOT / "Saved/Linux/l140/bin/VoxelForgeCoreHeadless-l140-clang",
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"gcc": ROOT / "Saved/Linux/l140/bin/VoxelForgeCoreHeadless-l140-gcc",
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}
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CAMERA = "25.836914,3.199219,-737.000000,0,0"
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STAMP_RE = re.compile(r"^\[VoxelForgeSourceStamp\] sha256=([0-9a-f]+)$", re.M)
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HASH_RE = re.compile(
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r"^\[Pipeline(?:FullDetailHash|WholeViewHash|MaterialHash|LODHash|ExactQueryHash)\].*$",
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re.M)
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NATIVE_FI = re.compile(
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r"^\[DensityDispatch\] strate=1 generator=FloatingIslands "
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r"recipe=FloatingIslands\.ClusterField version=10 "
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r"bound_path=FloatingIslands-native adapter=FFloatingIslandFieldAdapter$", re.M)
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FI_RECIPE_HASH = re.compile(r"^\[FloatingIslandWorldAssembly\].*recipe_hash=([0-9a-f]+) status=PASS$", re.M)
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FI_CLEARANCE = re.compile(r"^\[FloatingIslandPassageClearance\].*status=PASS$", re.M)
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FI_ROUTE_AUDIT = re.compile(r"^\[FloatingIslandRouteAudit\].*status=PASS$", re.M)
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def main() -> int:
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if not DATA.is_file() or any(not path.is_file() for path in BINARIES.values()):
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raise SystemExit("missing L140 Clang/GCC determinism binary or owner fixture")
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OUT.mkdir(parents=True, exist_ok=True)
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rows: list[dict[str, object]] = []
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reference_hashes: list[str] | None = None
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reference_identity: str | None = None
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for compiler, binary in BINARIES.items():
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for workers in (1, 8, 12):
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name = f"native-owner-fi-{compiler}-w{workers}"
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log, layout = OUT / f"{name}.log", OUT / f"{name}.json"
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command = ["taskset", "-c", "0-11", "prlimit", "--as=6442450944", "--",
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"timeout", "1740s", str(binary), str(DATA), "--world-assembler-prototype",
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"--stream-benchmark", "--stream-pipeline", f"--workers={workers}",
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"--clip-radius=3", "--max-clip-level=8", "--max-level=0",
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f"--camera={CAMERA}", "--stream-hash", "--force-generate", "--seed=0",
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"--recipe=surface-world", "--native-owner-fi", "--render-distance-chunks=0",
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"--density-dispatch-report", f"--resolved-layout-output={layout}"]
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started = time.monotonic()
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with log.open("w", encoding="utf-8") as output:
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proc = subprocess.run(command, cwd=ROOT, stdout=output,
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stderr=subprocess.STDOUT, check=False, timeout=1740)
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content = log.read_text(encoding="utf-8", errors="replace")
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stamp = STAMP_RE.search(content)
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hashes = HASH_RE.findall(content)
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current_layout = json.loads(layout.read_text(encoding="utf-8")) if layout.is_file() else {}
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identity = current_layout.get("stable_identity")
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native_ok = bool(NATIVE_FI.search(content))
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plan_ok = ("[FloatingIslandRouteAudit]" in content
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and "[FloatingIslandPassageClearance]" in content)
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recipe_hash = FI_RECIPE_HASH.search(content)
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clearance = FI_CLEARANCE.search(content)
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route_audit = FI_ROUTE_AUDIT.search(content)
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passed = (proc.returncode == 0 and stamp is not None and stamp.group(1) == STAMP
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and len(hashes) >= 4 and native_ok and plan_ok and recipe_hash is not None
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and clearance is not None and route_audit is not None and bool(identity))
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if reference_hashes is None and passed:
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reference_hashes, reference_identity = hashes, identity
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else:
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passed = passed and hashes == reference_hashes and identity == reference_identity
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row = {"compiler": compiler, "workers": workers, "exit": proc.returncode,
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"source_stamp": stamp.group(1) if stamp else None, "hash_lines": hashes,
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"layout_identity": identity, "native_fi_dispatch": native_ok,
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"native_plan_audits": plan_ok, "floating_island_recipe_hash":
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recipe_hash.group(1) if recipe_hash else None,
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"passage_clearance_line": clearance.group(0) if clearance else None,
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"route_audit_line": route_audit.group(0) if route_audit else None,
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"passed": bool(passed),
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"elapsed_s": round(time.monotonic() - started, 3),
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"log": str(log.relative_to(ROOT)), "layout": str(layout.relative_to(ROOT))}
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rows.append(row)
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print("[L140DeterminismRun] " + json.dumps(row, sort_keys=True), flush=True)
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(OUT / "runs-partial.json").write_text(json.dumps(rows, indent=2) + "\n")
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if not passed:
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(OUT / "summary.json").write_text(json.dumps({"status": "FAIL", "runs": rows}, indent=2) + "\n")
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raise SystemExit(f"native owner determinism mismatch; see {log}")
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summary = {"status": "PASS", "source_stamp": STAMP,
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"layout_identity": reference_identity, "runs": rows}
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(OUT / "summary.json").write_text(json.dumps(summary, indent=2) + "\n")
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(ROOT / "Standalone/Research/WorldAssemblerM3/Linux140/baselines").mkdir(parents=True, exist_ok=True)
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(ROOT / "Standalone/Research/WorldAssemblerM3/Linux140/baselines/native-owner-fi-seed0.json").write_text(
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json.dumps(summary, indent=2) + "\n", encoding="utf-8")
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print(f"[L140DeterminismSummary] runs={len(rows)} source_stamp={STAMP} status=PASS")
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return 0
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if __name__ == "__main__":
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raise SystemExit(main())
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