wip(assembler): round L36 -- tunnel floor without washboard; FI mouth without shards (evaluator v23)
The walk tread was built per segment as a one-sided density clamp, so its crossing with the native field moved at segment joins (L35: 2.25-2.48 cm washboard). Treads now overlap up to 2 m as bounded signed-distance slabs (0.06 cm residual). The FI mouth's crater detail and tread met without a smooth join; v23 filters the local field, drops thin isolated solids and smooth-unions the tread with the terrain. New floor ripple and mouth fragment/crease audits with L35 as failing controls. 24/24 passage rows, 30/30 determinism, 16/16 invariants, LOD0-8 rings; cost within noise. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01CSFYgsdW8ejZSyiMf4qRSX
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#!/usr/bin/env python3
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"""Check L25, 24 m crossing and upper-SW fixture determinism for L36."""
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import csv
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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/l36"
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OWNER = ROOT / "Standalone/data/owner_world.json"
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FIXTURE = ROOT / "Saved/Linux/l33/fixtures/sw-upper-tunnel-network-style0.json"
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BINARIES = {
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"clang": OUT / "bin/VoxelForgeCoreHeadless-l36-final-clang",
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"gcc": OUT / "bin/VoxelForgeCoreHeadless-l36-final-gcc",
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}
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HASH = re.compile(r"^\[Pipeline(?:FullDetailHash|WholeViewHash|LODHash|ExactQueryHash)\].*$", re.M)
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STAMP = re.compile(
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r"^\[WorldAssemblerRecipeAudit\] requested=([^ ]+) actual=([^ ]+).*status=([^ ]+)$", re.M)
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LAYOUT = re.compile(
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r"^\[ResolvedLayoutSnapshot\] schema=\d+ stable_identity=([^ ]+) strata=\d+ bytes=\d+ round_trip=PASS$",
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re.M)
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PLAN = re.compile(
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r"^\[WorldAssemblerPlanSerialization\].*canonical_round_trip=true .*"
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r"plan_hash=([0-9a-f]+) manifest_hash=([0-9a-f]+) status=PASS$", re.M)
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ROUTE = re.compile(
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r"^\[WorldAssemblerRouteAccepted\] arrival_xy_m=\([^)]*\) "
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r"departure_xy_m=\([^)]*\) endpoint_proximity_cost=\d+ average_grade_q16=\d+$", re.M)
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rows = []
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failed = False
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references = {}
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def run(kind, recipe, compiler, workers, data, passage_audit=False, crossing=False):
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global failed
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binary = BINARIES[compiler]
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name = f"determinism-{kind}-{compiler}-{recipe}-w{workers}"
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if kind == "upper-fixture":
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name = f"determinism-upper-fixture-{compiler}-w{workers}"
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log = OUT / f"{name}.log"
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command = [
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"taskset", "-c", "0-11", "prlimit", "--as=6442450944", "--",
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"timeout", "1800s", str(binary), str(data), f"--workers={workers}",
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"--world-assembler-prototype", "--stream-benchmark", "--stream-pipeline",
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"--force-generate", "--clip-radius=3", "--max-clip-level=8", "--max-level=-1",
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f"--recipe={recipe}",
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]
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if passage_audit:
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command.append("--audit-resolved-layout-passages")
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else:
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command.append("--stream-hash")
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if crossing:
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command.extend(("--camera-step=24,0,0", "--region-crossing"))
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started = time.monotonic()
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try:
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with log.open("w", encoding="utf-8") as stream:
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result = subprocess.run(command, cwd=ROOT, stdout=stream,
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stderr=subprocess.STDOUT, timeout=1800, check=False)
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except subprocess.TimeoutExpired:
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result = None
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elapsed = time.monotonic() - started
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output = log.read_text(encoding="utf-8", errors="replace")
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stamps = STAMP.findall(output)
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stamp_ok = stamps == [(recipe, recipe, "PASS")]
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if passage_audit:
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signature = (tuple(LAYOUT.findall(output)), tuple(PLAN.findall(output)),
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tuple(ROUTE.findall(output)))
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expected = references.get((kind, recipe))
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stable = expected is None or signature == expected
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if expected is None and all(signature):
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references[(kind, recipe)] = signature
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valid = (result is not None and result.returncode == 0 and stamp_ok
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and len(signature[0]) == len(signature[1]) == len(signature[2]) == 1
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and re.search(r"^\[ResolvedPassageAuditSummary\].*status=PASS$", output, re.M)
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and re.search(r"^\[PassageRippleAuditSummary\].*status=PASS$", output, re.M)
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and stable)
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hashes = ()
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detail = f"layout={signature[0][0] if signature[0] else 'MISSING'} stable={stable}"
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else:
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hashes = tuple(HASH.findall(output))
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key = (kind, recipe)
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expected = references.get(key)
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stable = expected is None or hashes == expected
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if expected is None and hashes:
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references[key] = hashes
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valid = (result is not None and result.returncode == 0 and stamp_ok
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and "hash=on" in output and len(hashes) == 12 and stable)
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detail = f"hashes={len(hashes)}/12 stable={stable}"
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code = result.returncode if result is not None else "TIMEOUT"
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rows.append((kind, recipe, compiler, workers, elapsed, code, valid))
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failed |= not valid
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print(f"[L36DeterminismRun] kind={kind} recipe={recipe} compiler={compiler} "
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f"workers={workers} elapsed={elapsed:.1f}s {detail} "
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f"{'PASS' if valid else 'FAIL'} log={log}", flush=True)
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for kind in ("l25", "crossing24"):
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for recipe in ("surface-world", "floating-islands"):
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for compiler in BINARIES:
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for workers in (1, 8, 12):
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run(kind, recipe, compiler, workers, OWNER,
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crossing=(kind == "crossing24"))
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for compiler in BINARIES:
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for workers in (1, 8, 12):
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run("upper-fixture", "floating-islands", compiler, workers, FIXTURE,
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passage_audit=True)
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summary = OUT / "determinism-l36.csv"
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with summary.open("w", newline="", encoding="utf-8") as stream:
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writer = csv.writer(stream)
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writer.writerow(("kind", "recipe", "compiler", "workers", "elapsed_seconds",
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"exit_code", "status"))
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for row in rows:
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writer.writerow((*row[:-1], "PASS" if row[-1] else "FAIL"))
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print(f"[L36DeterminismSummary] runs={len(rows)} pass={sum(row[-1] for row in rows)} "
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f"fail={sum(not row[-1] for row in rows)} summary={summary}", flush=True)
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raise SystemExit(1 if failed or len(rows) != 30 else 0)
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