Fr0zkaandClaude Opus 5.5
707bc61553
Chord error 2.5 -> 10 cm, shell work skipped outside the 0-0.75 m band. Sweep pairs -39%, prepare -60%, near-ready 3-8% faster than L115 but still +13..+22% vs L109. Floor offset 7.88 mm; captures match L115 by eye; fast tier, walk audits, Clang/GCC W1/W8/W12 determinism green. Not for merge yet. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_016dhxM43dnWvUu2B5Ph1iG1
80 lines
3.7 KiB
Python
80 lines
3.7 KiB
Python
#!/usr/bin/env python3
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"""Measure L119 floor zero crossings at three route stations per passage."""
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from __future__ import annotations
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import csv
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import json
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import math
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import os
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import re
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import statistics
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import subprocess
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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/l119/density-probe"
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BINARY = ROOT / "Saved/Linux/l119/bin/VoxelForgeCoreHeadless-l119-clang"
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DATA = ROOT / "Standalone/data/owner_world.json"
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SLOPE = re.compile(
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r"^\[L115DensitySlopeSample\] passage=(\S+) station=(\S+) s_m=([\d.]+) "
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r".*?planned_floor_m=(-?[\d.]+) root_floor_m=(-?[\d.]+|nan) "
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r"residual_m=(-?[\d.]+|nan)", re.M)
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def main() -> int:
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OUT.mkdir(parents=True, exist_ok=True)
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log = OUT / "owner4-clang.log"
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layout = OUT / "layout.json"
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command = [
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"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", "--workers=12", "--clip-radius=3",
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"--max-clip-level=8", "--max-level=8", "--camera=8,16,-372.2626953125,0,0",
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"--audit-resolved-layout-passages", f"--resolved-layout-output={layout}",
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]
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with log.open("w", encoding="utf-8") as stream:
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result = subprocess.run(command, cwd=ROOT,
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env={**os.environ,
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"VOXELFORGE_L115_DENSITY_PROFILE": "1"},
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stdout=stream, stderr=subprocess.STDOUT,
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check=False, timeout=1740)
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if result.returncode:
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raise SystemExit(f"L119 density probe failed: {log}")
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text = log.read_text(encoding="utf-8", errors="replace")
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groups: dict[tuple[str, str], list[dict]] = {}
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for passage, station, distance, planned, root, residual in SLOPE.findall(text):
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root_value = float(root) if root != "nan" else math.nan
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residual_value = float(residual) if residual != "nan" else math.nan
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groups.setdefault((passage, station), []).append({
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"route_s_m": float(distance), "planned_floor_m": float(planned),
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"root_floor_m": root_value, "offset_m": residual_value})
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summary = []
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with (OUT / "zero-crossing-offsets.csv").open("w", newline="", encoding="utf-8") as stream:
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writer = csv.DictWriter(stream, fieldnames=("passage", "station", "route_s_m",
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"planned_floor_m", "root_floor_m", "offset_m"))
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writer.writeheader()
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for (passage, station), samples in sorted(groups.items()):
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for sample in samples:
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writer.writerow({"passage": passage, "station": station, **sample})
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finite = [sample["offset_m"] for sample in samples
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if math.isfinite(sample["offset_m"])]
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summary.append({"passage": passage, "station": station,
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"samples": len(samples), "finite_roots": len(finite),
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"max_abs_offset_m": max(map(abs, finite)) if finite else None,
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"median_abs_offset_m": statistics.median(map(abs, finite))
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if finite else None,
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"p95_abs_offset_m": sorted(map(abs, finite))[
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min(len(finite)-1, math.ceil(0.95*len(finite))-1)]
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if finite else None})
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if not summary or any(item["samples"] != 51 for item in summary):
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raise RuntimeError("L119 density profile is missing 51-sample route stations")
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(OUT / "zero-crossing-summary.json").write_text(
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json.dumps(summary, indent=2) + "\n", encoding="utf-8")
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print(f"[L119DensityProbe] exit={result.returncode} stations={len(summary)} "
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f"log={log.relative_to(ROOT)}", flush=True)
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return result.returncode
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if __name__ == "__main__":
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raise SystemExit(main())
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