streaming: restore same-level refill; early admission on by default; fixed UE harness (L172)
Scheduler stable-sorts the whole level and checks capacity per admission (refill when slots free mid-pass); regression test with the old partial-sort path as negative control. Harness repoints Source/Standalone/uplugin together, records root HEAD/status, builds baselines from fresh worktrees, gates on DWARF struct sizes (480/480/480). Frame-resolution arrival: A/A p90 36.8 ms; fixed-on vs fixed-off -12.2 ms median (4/10 slower). 30 m/s: near 43.3 -> 55.3%, far holes 1.8 -> 0%, p99 <= 7.46 ms, worst <= 12.3 ms. Defaults: StreamingFastTravelWaitForAllCriticalTiles=0, StreamingFastTravelApplyBudgetMilliseconds=1.0, StreamingIncrementalDesiredSet=1, CoreRegionConcurrentAdmission=1, StreamingFastTravelForwardFirst=0, StreamingRebuildOnCoreRegionCompletion=1, StreamingCoreDesiredCacheByCenter=0, audits 0. Source/: VoxelWorld.cpp, VoxelStreamingAdmissionOrder.h (new). Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_016dhxM43dnWvUu2B5Ph1iG1
This commit is contained in:
Fr0zkaandClaude Opus 5.5 committed
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@@ -0,0 +1,868 @@
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#!/usr/bin/env python3
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"""Build isolated L172 UE trees, measure admission, and rescore saved traces."""
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from __future__ import annotations
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import argparse
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import datetime as dt
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import hashlib
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import json
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import math
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import os
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from pathlib import Path
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import re
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import shutil
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import statistics
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import subprocess
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import time
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from typing import Any
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ROOT = Path(__file__).resolve().parents[4]
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HOST = Path("/home/jahni/VFHost")
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ENGINE = Path("/home/jahni/UnrealEngine")
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MAIN_CHECKOUT = Path("/home/jahni/VoxelM/Plugins/VoxelForge")
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OUT = ROOT / "Saved/Linux/l172"
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UE_OUT = OUT / "ue"
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BUILD_OUT = OUT / "builds"
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BIN_OUT = OUT / "bin"
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HOST_PLUGIN_LINK = HOST / "PluginDeps/VoxelForge"
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HOST_PLUGIN_BINARY = HOST / "Binaries/Linux/libUnrealEditor-VoxelForge.so"
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EDITOR = ENGINE / "Engine/Binaries/Linux/UnrealEditor-Cmd"
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BUILD_SH = ENGINE / "Engine/Build/BatchFiles/Linux/Build.sh"
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DWARFDUMP = Path("/usr/lib/llvm-19/bin/llvm-dwarfdump")
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INTERMEDIATE = HOST / "Intermediate"
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MOVE_START_S = 6.0
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MOVE_DURATION_S = 12.0
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SPAWN_M = (19.166015625, -14.2001953125, -753.3740234375)
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LINK_NAMES = ("Source", "Standalone", "VoxelForge.uplugin")
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OBJECTS = {
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"voxel_world": "External/Build/Linux/x64/UnrealEditor/Development/VoxelForge/VoxelWorld.cpp.o",
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"core_adapter": "External/Build/Linux/x64/UnrealEditor/Development/VoxelForge/VoxelForgeCoreAdapter.cpp.o",
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"core_api_shim": "External/Build/Linux/x64/UnrealEditor/Development/VoxelForgeCore/VFCore_Core_src_VoxelForgeCore_cpp.cpp.o",
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}
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WAIT_OFF = 1
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APPLY_OFF_MS = 0.0
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WAIT_ON = 0
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APPLY_ON_MS = 1.0
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def utc_now() -> str:
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return dt.datetime.now(dt.timezone.utc).isoformat(timespec="seconds")
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def write_json(path: Path, value: Any) -> None:
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path.parent.mkdir(parents=True, exist_ok=True)
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temporary = path.with_suffix(path.suffix + ".tmp")
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temporary.write_text(json.dumps(value, indent=2, sort_keys=True) + "\n", encoding="utf-8")
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temporary.replace(path)
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def git(root: Path, *args: str) -> str:
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result = subprocess.run(["git", "-C", str(root), *args], text=True,
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capture_output=True, check=False)
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if result.returncode != 0:
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raise RuntimeError(f"git -C {root} {' '.join(args)} failed: {result.stderr.strip()}")
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return result.stdout.rstrip("\n")
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def root_info(root: Path) -> dict[str, Any]:
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actual_root = Path(git(root, "rev-parse", "--show-toplevel")).resolve()
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expected_root = root.resolve()
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if actual_root != expected_root:
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raise RuntimeError(f"plugin root mismatch: requested={expected_root}, git={actual_root}")
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return {
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"plugin_root": str(actual_root),
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"git_head": git(actual_root, "rev-parse", "HEAD"),
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"git_status_porcelain": git(actual_root, "status", "--porcelain"),
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}
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def link_roots() -> dict[str, str]:
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roots = {}
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for name in LINK_NAMES:
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link = HOST_PLUGIN_LINK / name
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if not link.is_symlink():
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raise RuntimeError(f"VFHost plugin dependency is not a symlink: {link}")
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resolved = link.resolve(strict=True)
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roots[name] = str(resolved.parent)
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return roots
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def assert_shared_root(expected_root: Path) -> dict[str, str]:
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expected = expected_root.resolve(strict=True)
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roots = link_roots()
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if any(Path(root) != expected for root in roots.values()):
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raise RuntimeError(f"VFHost plugin symlinks do not share expected root {expected}: {roots}")
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return roots
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def _move_plugin_intermediates(old_root: str | None, new_root: Path) -> list[dict[str, str]]:
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matches = []
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if INTERMEDIATE.exists():
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for current, dirs, _files in os.walk(INTERMEDIATE, topdown=True):
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for dirname in list(dirs):
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if dirname.startswith("VoxelForge"):
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matches.append(Path(current) / dirname)
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dirs.remove(dirname)
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if not matches:
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return []
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head = "unknown"
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if old_root:
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try:
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head = root_info(Path(old_root))["git_head"][:12]
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except Exception:
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head = Path(old_root).name
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archive = OUT / "intermediate-archive" / f"{time.time_ns()}-{head}-to-{new_root.name}"
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moved = []
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for source in sorted(matches, key=lambda path: len(path.parts)):
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relative = source.relative_to(INTERMEDIATE)
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target = archive / relative
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target.parent.mkdir(parents=True, exist_ok=True)
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shutil.move(str(source), str(target))
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moved.append({"from": str(source), "to": str(target)})
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return moved
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def switch_plugin_root(target_root: Path) -> dict[str, Any]:
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target = target_root.resolve(strict=True)
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if not (target / "Source").is_dir() or not (target / "Standalone").is_dir():
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raise RuntimeError(f"tree does not contain its own Source and Standalone: {target}")
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if not (target / "VoxelForge.uplugin").is_file():
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raise RuntimeError(f"tree has no plugin descriptor: {target}")
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current_roots = set(link_roots().values())
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old_root = next(iter(current_roots)) if len(current_roots) == 1 else None
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moved = []
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if old_root != str(target):
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moved = _move_plugin_intermediates(old_root, target)
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for name in LINK_NAMES:
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link = HOST_PLUGIN_LINK / name
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temporary = link.with_name(f"{link.name}.l172-{os.getpid()}.tmp")
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if temporary.exists() or temporary.is_symlink():
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temporary.unlink()
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temporary.symlink_to(target / name)
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os.replace(temporary, link)
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roots = assert_shared_root(target)
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return {"active_root": str(target), "links": roots, "intermediates_moved": moved}
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def restore_main_checkout() -> dict[str, Any]:
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return switch_plugin_root(MAIN_CHECKOUT)
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def sha256_file(path: Path) -> str:
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digest = hashlib.sha256()
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with path.open("rb") as stream:
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for block in iter(lambda: stream.read(1024 * 1024), b""):
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digest.update(block)
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return digest.hexdigest()
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def dwarf_struct_size(path: Path) -> int:
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if not DWARFDUMP.is_file():
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raise RuntimeError(f"llvm-dwarfdump is missing: {DWARFDUMP}")
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result = subprocess.run([str(DWARFDUMP), "--name=WorldAssemblyStratumPlanV1", str(path)],
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text=True, capture_output=True, check=False)
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if result.returncode != 0:
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raise RuntimeError(f"llvm-dwarfdump failed for {path}: {result.stderr.strip()}")
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dies = re.split(r"(?=0x[0-9a-fA-F]+: DW_TAG_)", result.stdout)
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matches = []
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for die in dies:
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if not re.search(r'DW_AT_name\s+\("WorldAssemblyStratumPlanV1"\)', die):
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continue
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size = re.search(r"DW_AT_byte_size\s+\(0x([0-9a-fA-F]+)\)", die)
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if size:
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matches.append(int(size.group(1), 16))
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if len(matches) != 1:
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raise RuntimeError(f"expected one complete plan type in {path}; sizes={matches}")
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return matches[0]
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def dwarf_pre_run_gate() -> dict[str, Any]:
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sizes = {}
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for label, relative in OBJECTS.items():
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path = INTERMEDIATE / relative
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if not path.is_file():
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raise RuntimeError(f"pre-run DWARF gate object is missing: {path}")
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sizes[label] = {"object": str(path), "byte_size": dwarf_struct_size(path)}
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unique = {item["byte_size"] for item in sizes.values()}
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if len(unique) != 1:
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raise RuntimeError(f"WorldAssemblyStratumPlanV1 size mismatch: {sizes}")
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return {"status": "PASS", "struct": "WorldAssemblyStratumPlanV1", "objects": sizes}
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def create_fresh_baseline_worktree() -> Path:
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timestamp = str(time.time_ns())
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repo_host = OUT / "worktree-hosts" / f"ca0bf76-git-{timestamp}"
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parent = OUT / "worktrees"
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parent.mkdir(parents=True, exist_ok=True)
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repo_host.parent.mkdir(parents=True, exist_ok=True)
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commit = git(ROOT, "rev-parse", "ca0bf76")
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clone = subprocess.run(["git", "clone", "--shared", "--no-checkout",
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str(MAIN_CHECKOUT), str(repo_host)], text=True,
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capture_output=True, check=False)
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if clone.returncode != 0:
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raise RuntimeError(f"isolated git worktree host clone failed: {clone.stderr.strip()}")
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fetch = subprocess.run(["git", "-C", str(repo_host), "fetch", "--no-tags",
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str(MAIN_CHECKOUT), commit], text=True,
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capture_output=True, check=False)
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if fetch.returncode != 0:
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raise RuntimeError(f"ca0bf76 fetch into isolated worktree host failed: "
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f"{fetch.stderr.strip()}")
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path = parent / f"assembler-world-ca0bf76-fresh-{timestamp}"
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result = subprocess.run(["git", "-C", str(repo_host), "worktree", "add", "--detach",
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str(path), commit], text=True, capture_output=True, check=False)
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if result.returncode != 0:
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raise RuntimeError(f"fresh ca0bf76 worktree add failed: {result.stderr.strip()}")
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info = root_info(path)
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if not info["git_head"].startswith("ca0bf767ca7afe40723bf8bb6987d9efc9ea7523"):
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raise RuntimeError(f"fresh baseline worktree has unexpected HEAD: {info}")
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return path.resolve()
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def build_tree(root: Path, label: str) -> dict[str, Any]:
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switch = switch_plugin_root(root)
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source = root_info(root)
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if len(set(switch["links"].values())) != 1:
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raise RuntimeError(f"link roots diverged before build: {switch}")
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log = BUILD_OUT / f"ubt-{label}.log"
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log.parent.mkdir(parents=True, exist_ok=True)
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command = [str(BUILD_SH), "VFHostEditor", "Linux", "Development",
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f"-Project={HOST / 'VFHost.uproject'}", "-NoUBA", "-MaxParallelActions=4",
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f"-Log={log}"]
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started = time.monotonic()
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with log.open("w", encoding="utf-8") as stream:
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result = subprocess.run(["taskset", "-c", "0-11", "timeout", "1800s", *command],
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cwd=ROOT, stdout=stream, stderr=subprocess.STDOUT,
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check=False, timeout=1800)
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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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if result.returncode != 0:
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raise RuntimeError(f"UE build {label} failed ({result.returncode}); log={log}")
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if not re.search(r"Compile VoxelWorld\.cpp", output):
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raise RuntimeError(f"UE build {label} did not compile VoxelWorld.cpp; log={log}")
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gate = dwarf_pre_run_gate()
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if not HOST_PLUGIN_BINARY.is_file():
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raise RuntimeError(f"UE build did not produce {HOST_PLUGIN_BINARY}")
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artifact_dir = BIN_OUT / label
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artifact_dir.mkdir(parents=True, exist_ok=True)
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artifact = artifact_dir / "libUnrealEditor-VoxelForge.so"
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shutil.copy2(HOST_PLUGIN_BINARY, artifact)
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return {
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**source,
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"build_command": command,
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"build_log": str(log),
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"compiled_voxel_world_cpp": True,
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"elapsed_s": round(elapsed, 3),
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"dwarf_pre_run_gate": gate,
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"binary": str(artifact),
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"binary_sha256": sha256_file(artifact),
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"active_links": switch["links"],
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"intermediates_moved_before_build": switch["intermediates_moved"],
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}
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def prepare() -> int:
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OUT.mkdir(parents=True, exist_ok=True)
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baseline_root = None
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builds = {}
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try:
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baseline_root = create_fresh_baseline_worktree()
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builds["ca0bf76"] = build_tree(baseline_root, "ca0bf76")
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builds["ca0bf76"]["worktree_root"] = str(baseline_root)
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builds["ca0bf76"]["worktree_created_with"] = [
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"git", "worktree", "add", "--detach", str(baseline_root), "ca0bf76"]
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write_json(OUT / "builds.json", {"status": "BASELINE_READY", **builds})
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builds["fixed"] = build_tree(ROOT, "fixed")
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builds["fixed"]["worktree_root"] = str(ROOT.resolve())
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write_json(OUT / "builds.json", {"status": "BOTH_TREES_READY", **builds})
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print("[L172Builds] " + json.dumps({
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key: {"head": value["git_head"], "root": value["plugin_root"],
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"binary_sha256": value["binary_sha256"],
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"dwarf_sizes": {name: item["byte_size"]
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for name, item in value["dwarf_pre_run_gate"]["objects"].items()}}
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for key, value in builds.items() if key != "status"}, sort_keys=True), flush=True)
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return 0
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finally:
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restored = restore_main_checkout()
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write_json(OUT / "restored-main-links.json", {
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"time_utc": utc_now(), "main_root": str(MAIN_CHECKOUT.resolve()),
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"links": restored["links"], "intermediates_moved": restored["intermediates_moved"]})
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def read_events(path: Path) -> list[dict[str, Any]]:
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rows = []
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if not path.is_file():
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return rows
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for line in path.read_text(encoding="utf-8", errors="replace").splitlines():
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if not line.startswith("{"):
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continue
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try:
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rows.append(json.loads(line))
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except json.JSONDecodeError:
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continue
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return rows
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def first_frame_arrival(events: list[dict[str, Any]]) -> dict[str, Any] | None:
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for event in events:
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if event.get("type") != "scheduler_admission":
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continue
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missing = event.get("desired_missing_by_lod", [])
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pending = event.get("pending_by_lod", [])
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if (len(missing) >= 3 and len(pending) >= 3
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and sum(int(value) for value in missing[:3]) == 0
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and sum(int(value) for value in pending[:3]) == 0):
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return event
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return None
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def percentile(values: list[float], fraction: float = 0.99) -> float | None:
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if not values:
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return None
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ordered = sorted(values)
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index = max(0, min(len(ordered) - 1, math.ceil(len(ordered) * fraction) - 1))
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return ordered[index]
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def percent(numerator: int | float, denominator: int | float) -> float | None:
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return 100.0 * numerator / denominator if denominator > 0 else None
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def summarize_trial(condition: str, trace: Path, result: subprocess.CompletedProcess[str],
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wall_s: float, expected_wait: int, expected_budget_ms: float) -> dict[str, Any]:
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events = read_events(trace)
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backend = next((event for event in events if event.get("type") == "worker_backend_config"), {})
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||||
scheduler = [event for event in events if event.get("type") == "scheduler_admission"]
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if not scheduler:
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raise RuntimeError(f"no scheduler_admission readback in {trace}")
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if (int(backend.get("streaming_fast_travel_wait_for_all_critical_tiles", -1))
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!= expected_wait
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or abs(float(backend.get("streaming_fast_travel_apply_budget_ms", -999.0))
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- expected_budget_ms) > 0.01
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or int(backend.get("effective_tile_slots", -1)) != 8):
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raise RuntimeError(f"switch or worker readback mismatch in {trace}: {backend}")
|
||||
if any(int(event.get("forward_first", -1)) != 0
|
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or int(event.get("rebuild_on_core_region_completion", -1)) != 1
|
||||
or int(event.get("core_desired_cache_by_center", -1)) != 0
|
||||
or int(event.get("incremental_desired_set", -1)) != 1
|
||||
or int(event.get("incremental_desired_audit_every", -1)) != 0
|
||||
or int(event.get("incremental_desired_materialization_audit_every", -1)) != 0
|
||||
or int(event.get("incremental_desired_audit_inject_mismatch", -1)) != 0
|
||||
for event in scheduler):
|
||||
raise RuntimeError(f"non-default scheduler CVar readback in {trace}")
|
||||
|
||||
arrival = first_frame_arrival(scheduler)
|
||||
if arrival is None:
|
||||
raise RuntimeError(f"missing frame-resolution LOD0-2 settled event in {trace}")
|
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if condition == "fixed-off":
|
||||
arrival_s = float(arrival["t_s"])
|
||||
pre_arrival = [event for event in scheduler
|
||||
if float(event.get("t_s", 0.0)) < arrival_s]
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||||
post_arrival = [event for event in scheduler
|
||||
if float(event.get("t_s", 0.0)) >= arrival_s]
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||||
if any(int(event.get("fast_travel_mode", 0)) != 0 for event in pre_arrival):
|
||||
raise RuntimeError(f"fixed-off entered fast-travel mode before initial arrival: {trace}")
|
||||
if not any(int(event.get("fast_travel_mode", 0)) == 1 for event in post_arrival):
|
||||
raise RuntimeError(f"fixed-off never latched fast-travel mode after initial arrival: {trace}")
|
||||
if condition == "fixed-on":
|
||||
arrival_s = float(arrival["t_s"])
|
||||
pre_arrival = [event for event in scheduler if float(event.get("t_s", 0.0)) < arrival_s]
|
||||
apply_events = [event for event in events if event.get("type") == "apply_frame"]
|
||||
if any(int(event.get("fast_travel_mode", 0)) != 0 for event in pre_arrival):
|
||||
raise RuntimeError(f"fast-travel mode activated before frame-settled arrival: {trace}")
|
||||
if any(float(event.get("apply_budget_ms", 0.0)) < 1.99
|
||||
and float(event.get("t_s", 0.0)) <= arrival_s for event in apply_events):
|
||||
raise RuntimeError(f"fast-travel apply budget activated before arrival: {trace}")
|
||||
if not any(int(event.get("initial_arrival_set_settled", 0)) == 1
|
||||
and int(event.get("fast_travel_mode", 0)) == 1
|
||||
for event in scheduler):
|
||||
raise RuntimeError(f"fixed-on latch did not activate after settled arrival: {trace}")
|
||||
if not any(float(event.get("apply_budget_ms", 0.0)) <= 1.001
|
||||
for event in apply_events):
|
||||
raise RuntimeError(f"fixed-on 1 ms apply budget never activated: {trace}")
|
||||
move_stop = next((event for event in events
|
||||
if event.get("type") == "streaming_test_move_stopped"), None)
|
||||
if move_stop is None:
|
||||
raise RuntimeError(f"missing move-stop event in {trace}")
|
||||
stop_s = float(move_stop.get("t_s", 0.0))
|
||||
samples = [event for event in events if event.get("type") == "streaming_sample"]
|
||||
moving = [event for event in samples
|
||||
if MOVE_START_S <= float(event.get("t_s", 0.0)) < stop_s
|
||||
and float(event.get("speed_cm_s", 0.0)) >= 50.0]
|
||||
dwell = [event for event in samples
|
||||
if float(event.get("t_s", 0.0)) >= stop_s
|
||||
and float(event.get("speed_cm_s", 0.0)) < 50.0]
|
||||
if result.returncode != 0 or len(moving) < 40 or len(dwell) < 16:
|
||||
raise RuntimeError(f"incomplete run {trace}: exit={result.returncode}, "
|
||||
f"moving={len(moving)}, dwell={len(dwell)}")
|
||||
work_start = min(float(event.get("t_s", 0.0)) for event in moving)
|
||||
frames = [event for event in events if event.get("type") == "game_thread_work_frame"
|
||||
and work_start <= float(event.get("t_s", 0.0)) < stop_s]
|
||||
if not frames:
|
||||
raise RuntimeError(f"missing moving game-thread frames in {trace}")
|
||||
near, far_holes = [], []
|
||||
for event in moving:
|
||||
desired = event.get("desired_by_lod", [0] * 9)
|
||||
resident = event.get("resident_by_lod", [0] * 9)
|
||||
covered = event.get("covered_by_lod", resident)
|
||||
near.append(percent(sum(resident[:3]), sum(desired[:3])) or 0.0)
|
||||
far_holes.append(percent(sum(desired[3:]) - sum(covered[3:]),
|
||||
sum(desired[3:])) or 0.0)
|
||||
settled_sample = next((event for event in samples
|
||||
if float(event.get("t_s", 0.0)) < work_start
|
||||
and float(event.get("speed_cm_s", 0.0)) < 50.0
|
||||
and sum(event.get("settled_by_lod", [0] * 9)[:3])
|
||||
>= sum(event.get("desired_by_lod", [0] * 9)[:3]) > 0), None)
|
||||
return {
|
||||
"condition": condition,
|
||||
"moving_samples": len(moving),
|
||||
"dwell_samples": len(dwell),
|
||||
"effective_tile_slots": backend.get("effective_tile_slots"),
|
||||
"frame_resolution_arrival_s": float(arrival["t_s"]),
|
||||
"frame_resolution_arrival_frame": int(arrival.get("frame", -1)),
|
||||
"streaming_sample_arrival_s": (float(settled_sample["t_s"])
|
||||
if settled_sample else None),
|
||||
"near_readiness_moving_mean_pct": statistics.mean(near),
|
||||
"far_holes_moving_median_pct": statistics.median(far_holes),
|
||||
"tick_p99_ms": percentile([float(frame.get("tick_ms", 0.0)) for frame in frames]),
|
||||
"tick_worst_ms": max(float(frame.get("tick_ms", 0.0)) for frame in frames),
|
||||
"early_admission_wait_for_critical": expected_wait,
|
||||
"early_admission_apply_budget_ms": expected_budget_ms,
|
||||
"trace": str(trace.relative_to(ROOT)),
|
||||
"wall_s": round(wall_s, 3),
|
||||
}
|
||||
|
||||
|
||||
def run_trial(name: str, batch: str, condition: str, root: Path, binary: Path,
|
||||
wait: int, apply_ms: float,
|
||||
include_switch_overrides: bool = True) -> dict[str, Any]:
|
||||
switch = switch_plugin_root(root)
|
||||
identity = root_info(root)
|
||||
assert_shared_root(root)
|
||||
if not binary.is_file():
|
||||
raise FileNotFoundError(binary)
|
||||
binary_hash = sha256_file(binary)
|
||||
shutil.copy2(binary, HOST_PLUGIN_BINARY)
|
||||
run_dir = UE_OUT / batch / condition
|
||||
run_dir.mkdir(parents=True, exist_ok=True)
|
||||
export = HOST / "Plugins/VoxelForge/Saved/Linux/l172/export" / batch / condition / name
|
||||
userdir = HOST / "Saved/Linux/l172/user" / batch / condition / name
|
||||
zendata = HOST / "Saved/Linux/l172/zen" / batch / condition / name
|
||||
ddc = HOST / "Saved/Linux/l172/DDC"
|
||||
for directory in (export, userdir, zendata, ddc):
|
||||
directory.mkdir(parents=True, exist_ok=True)
|
||||
trace = run_dir / f"{name}.trace.jsonl"
|
||||
log = run_dir / f"{name}.log"
|
||||
stdout = run_dir / f"{name}.stdout.log"
|
||||
manifest_path = run_dir / f"{name}.manifest.json"
|
||||
trace.unlink(missing_ok=True)
|
||||
spawn_cm = ",".join(f"{value * 100.0:.3f}" for value in SPAWN_M)
|
||||
command = [
|
||||
str(EDITOR), str(HOST / "VFHost.uproject"), "-nullrhi", "-unattended",
|
||||
"-nop4", "-nosplash", "-NoSound", "-corelimit=12", "-NoZenAutoLaunch",
|
||||
"-notraceserver", "-nocrashreports", "-DisablePlugins=AndroidFileServer",
|
||||
"-ddc=NoZenLocalFallback", f"-userdir={userdir}", f"-ZenDataPath={zendata}",
|
||||
f"-LocalDataCachePath={ddc}", "-run=VoxelForgeExplore", "-seed=0",
|
||||
"-archetype=TunnelNetwork", "-slot=0", "-modes=export", "-gameconfig=1",
|
||||
"-coreworldtest=1", "-ownerfourstrateplan=1", "-corevoxelsizecm=25",
|
||||
"-coreislandtest=0", "-corefallbacktest=0", "-coreofftest=0",
|
||||
"-coreplantest=0", "-settingsref=/Game/VoxelForge/DA_Settings.DA_Settings",
|
||||
"-corehybridmesher=0", f"-out={export}",
|
||||
"-voxel.TestMove=1", "-voxel.TestMoveSpeedCmPerSecond=3000.0",
|
||||
f"-voxel.TestMoveStartSeconds={MOVE_START_S:.1f}",
|
||||
f"-voxel.TestMoveDurationSeconds={MOVE_DURATION_S:.1f}",
|
||||
"-voxel.TestExitSeconds=0.0", "-voxel.TestMoveDirection=1,0,0",
|
||||
"-voxel.TestExitOnSteady=0", "-coreworldstreamtrace=1",
|
||||
f"-voxel.StartupTraceSpawnCm={spawn_cm}",
|
||||
"-voxel.StartupTraceUntilEndPlay=1", "-voxel.StartupTraceThroughCrossing=1",
|
||||
"-voxel.StartupTraceMaxTiles=16384", f"-voxel.StartupTraceFile={trace}",
|
||||
f"-abslog={log}",
|
||||
]
|
||||
if include_switch_overrides:
|
||||
command.extend((
|
||||
f"-voxel.StreamingFastTravelWaitForAllCriticalTiles={wait}",
|
||||
f"-voxel.StreamingFastTravelApplyBudgetMilliseconds={apply_ms:.1f}",
|
||||
))
|
||||
manifest = {
|
||||
**identity,
|
||||
"created_utc": utc_now(),
|
||||
"batch": batch,
|
||||
"condition": condition,
|
||||
"run": name,
|
||||
"active_links": switch["links"],
|
||||
"intermediates_moved_on_tree_switch": switch["intermediates_moved"],
|
||||
"binary": str(binary),
|
||||
"binary_sha256": binary_hash,
|
||||
"staged_host_binary_sha256": sha256_file(HOST_PLUGIN_BINARY),
|
||||
"expected_switches": {"wait_for_all_critical_tiles": wait,
|
||||
"apply_budget_ms": apply_ms},
|
||||
"switch_source": ("command_line_overrides" if include_switch_overrides
|
||||
else "compiled_defaults"),
|
||||
"command": command,
|
||||
"trace": str(trace),
|
||||
"unreal_log": str(log),
|
||||
}
|
||||
write_json(manifest_path, manifest)
|
||||
started = time.monotonic()
|
||||
with stdout.open("w", encoding="utf-8") as stream:
|
||||
result = subprocess.run(["taskset", "-c", "0-11", "timeout", "1740s", *command],
|
||||
cwd=ROOT, stdout=stream, stderr=subprocess.STDOUT,
|
||||
check=False, timeout=1740)
|
||||
wall_s = time.monotonic() - started
|
||||
try:
|
||||
row = summarize_trial(condition, trace, result, wall_s, wait, apply_ms)
|
||||
row["run"] = name
|
||||
manifest["result"] = {"exit_code": result.returncode, "wall_s": round(wall_s, 3),
|
||||
"status": "PASS", "owner_world_ran": True}
|
||||
row["manifest"] = str(manifest_path.relative_to(ROOT))
|
||||
write_json(manifest_path, manifest)
|
||||
return row
|
||||
except Exception as error:
|
||||
manifest["result"] = {"exit_code": result.returncode, "wall_s": round(wall_s, 3),
|
||||
"status": "FAIL", "error": str(error)}
|
||||
write_json(manifest_path, manifest)
|
||||
raise
|
||||
|
||||
|
||||
def frame_arrival_from_trace(path: Path) -> float | None:
|
||||
event = first_frame_arrival(read_events(path))
|
||||
return float(event["t_s"]) if event is not None else None
|
||||
|
||||
|
||||
def rescore_saved_traces() -> dict[str, Any]:
|
||||
result: dict[str, Any] = {"metric": "first scheduler_admission with "
|
||||
"sum(desired_missing_by_lod[0:3]) == 0 and "
|
||||
"sum(pending_by_lod[0:3]) == 0; t_s at that scheduler frame"}
|
||||
for round_no in ("169", "170"):
|
||||
root = ROOT / f"Saved/Linux/l{round_no}/ue/movement"
|
||||
arms = {}
|
||||
for arm in ("baseline", "candidate"):
|
||||
values = {}
|
||||
for trace in sorted((root / arm).glob("pair-*.trace.jsonl")):
|
||||
arrival = frame_arrival_from_trace(trace)
|
||||
if arrival is not None:
|
||||
number = int(re.search(r"pair-(\d+)", trace.name).group(1))
|
||||
values[number] = {"arrival_s": arrival, "trace": str(trace.relative_to(ROOT))}
|
||||
arms[arm] = values
|
||||
pairs = []
|
||||
for number in sorted(arms["baseline"].keys() & arms["candidate"].keys()):
|
||||
delta = arms["candidate"][number]["arrival_s"] - arms["baseline"][number]["arrival_s"]
|
||||
pairs.append({"pair": number, "delta_s_candidate_minus_baseline": delta,
|
||||
"candidate_slower": delta > 0,
|
||||
"baseline": arms["baseline"][number],
|
||||
"candidate": arms["candidate"][number]})
|
||||
deltas = [pair["delta_s_candidate_minus_baseline"] for pair in pairs]
|
||||
result[round_no] = {
|
||||
"pairs": pairs,
|
||||
"baseline_median_arrival_s": statistics.median(
|
||||
[value["arrival_s"] for value in arms["baseline"].values()])
|
||||
if arms["baseline"] else None,
|
||||
"candidate_median_arrival_s": statistics.median(
|
||||
[value["arrival_s"] for value in arms["candidate"].values()])
|
||||
if arms["candidate"] else None,
|
||||
"paired_median_delta_ms": 1000.0 * statistics.median(deltas) if deltas else None,
|
||||
"candidate_slower_pairs": sum(delta > 0 for delta in deltas),
|
||||
"pair_count": len(pairs),
|
||||
}
|
||||
path = OUT / "arrival-rescore-l169-l170.json"
|
||||
write_json(path, result)
|
||||
print("[L172ArrivalRescore] " + json.dumps({
|
||||
key: {metric: value for metric, value in data.items() if metric != "pairs"}
|
||||
for key, data in result.items() if key in ("169", "170")}, sort_keys=True), flush=True)
|
||||
return result
|
||||
|
||||
|
||||
def percentile_nearest_rank(values: list[float], fraction: float) -> float:
|
||||
ordered = sorted(values)
|
||||
if not ordered:
|
||||
raise ValueError("percentile requires values")
|
||||
return ordered[max(0, min(len(ordered) - 1, math.ceil(len(ordered) * fraction) - 1))]
|
||||
|
||||
|
||||
def paired_deltas(rows: list[dict[str, Any]], first: str, second: str,
|
||||
metric: str) -> list[dict[str, Any]]:
|
||||
by_pair: dict[int, dict[str, dict[str, Any]]] = {}
|
||||
for row in rows:
|
||||
pair_match = re.search(r"pair-(\d+)", row["run"])
|
||||
if not pair_match:
|
||||
continue
|
||||
pair = int(pair_match.group(1))
|
||||
by_pair.setdefault(pair, {})[row["condition"]] = row
|
||||
result = []
|
||||
for pair, arms in sorted(by_pair.items()):
|
||||
if first not in arms or second not in arms:
|
||||
continue
|
||||
a, b = arms[first][metric], arms[second][metric]
|
||||
result.append({"pair": pair, "first": first, "second": second,
|
||||
"delta_s_second_minus_first": b - a,
|
||||
"first_value": a, "second_value": b})
|
||||
return result
|
||||
|
||||
|
||||
def run_batch_arm(rows: list[dict[str, Any]], batch: str, condition: str,
|
||||
root: Path, binary: Path, wait: int, apply_ms: float,
|
||||
run_name: str) -> dict[str, Any]:
|
||||
row = run_trial(run_name, batch, condition, root, binary, wait, apply_ms)
|
||||
rows.append(row)
|
||||
write_json(UE_OUT / batch / "runs-partial.json", rows)
|
||||
return row
|
||||
|
||||
|
||||
def load_partial_rows(batch: str) -> list[dict[str, Any]]:
|
||||
path = UE_OUT / batch / "runs-partial.json"
|
||||
if not path.is_file():
|
||||
return []
|
||||
rows = json.loads(path.read_text(encoding="utf-8"))
|
||||
if not isinstance(rows, list):
|
||||
raise RuntimeError(f"invalid partial rows file: {path}")
|
||||
return rows
|
||||
|
||||
|
||||
def has_run(rows: list[dict[str, Any]], condition: str, run_name: str) -> bool:
|
||||
return any(row.get("condition") == condition and row.get("run") == run_name
|
||||
for row in rows)
|
||||
|
||||
|
||||
def require_quiet_machine() -> dict[str, Any]:
|
||||
uptime = subprocess.run(["uptime"], text=True, capture_output=True, check=False).stdout.strip()
|
||||
load = os.getloadavg()
|
||||
process_list = subprocess.run(["ps", "-eo", "args="], text=True, capture_output=True,
|
||||
check=False).stdout.splitlines()
|
||||
busy = [line.strip() for line in process_list
|
||||
if any(token in line for token in ("UnrealBuildTool", "Build.sh", "UnrealEditor-Cmd"))]
|
||||
record = {"uptime": uptime, "load_1_5_15": load, "other_build_or_editor_processes": busy,
|
||||
"checked_utc": utc_now()}
|
||||
if load[0] >= 1.5 or load[1] >= 1.5 or busy:
|
||||
raise RuntimeError(f"machine is not quiet enough for timing: {record}")
|
||||
return record
|
||||
|
||||
|
||||
def run_matrix() -> int:
|
||||
builds_path = OUT / "builds.json"
|
||||
if not builds_path.is_file():
|
||||
raise RuntimeError("missing build manifests; run this script prepare first")
|
||||
builds = json.loads(builds_path.read_text(encoding="utf-8"))
|
||||
fixed_root = Path(builds["fixed"]["plugin_root"])
|
||||
baseline_root = Path(builds["ca0bf76"]["plugin_root"])
|
||||
fixed_binary = Path(builds["fixed"]["binary"])
|
||||
baseline_binary = Path(builds["ca0bf76"]["binary"])
|
||||
for build in (builds["fixed"], builds["ca0bf76"]):
|
||||
if not build.get("compiled_voxel_world_cpp"):
|
||||
raise RuntimeError("build manifest lacks a full VoxelWorld.cpp compile")
|
||||
sizes = {item["byte_size"] for item in build["dwarf_pre_run_gate"]["objects"].values()}
|
||||
if len(sizes) != 1:
|
||||
raise RuntimeError(f"saved DWARF gate failed: {build['plugin_root']} {sizes}")
|
||||
if sha256_file(fixed_binary) != builds["fixed"]["binary_sha256"]:
|
||||
raise RuntimeError("fixed binary does not match its build manifest")
|
||||
if sha256_file(baseline_binary) != builds["ca0bf76"]["binary_sha256"]:
|
||||
raise RuntimeError("ca0bf76 binary does not match its build manifest")
|
||||
|
||||
quiet = require_quiet_machine()
|
||||
write_json(OUT / "timing-machine.json", quiet)
|
||||
all_rows: dict[str, list[dict[str, Any]]] = {
|
||||
"aa": load_partial_rows("aa"),
|
||||
"off_vs_ca0bf76": load_partial_rows("off-vs-ca0bf76"),
|
||||
"on_vs_off": load_partial_rows("on-vs-off"),
|
||||
}
|
||||
try:
|
||||
# A/A arms use the exact same staged fixed binary and the same CVar values.
|
||||
aa = all_rows["aa"]
|
||||
for arm in ("aa-a", "aa-b"):
|
||||
if not has_run(aa, arm, "warmup"):
|
||||
run_batch_arm(aa, "aa", arm, fixed_root, fixed_binary, WAIT_OFF, APPLY_OFF_MS,
|
||||
"warmup")
|
||||
for pair in range(1, 11):
|
||||
for condition in ("aa-a", "aa-b"):
|
||||
if not has_run(aa, condition, f"pair-{pair}"):
|
||||
run_batch_arm(aa, "aa", condition, fixed_root, fixed_binary,
|
||||
WAIT_OFF, APPLY_OFF_MS, f"pair-{pair}")
|
||||
aa_pairs = paired_deltas(aa, "aa-a", "aa-b", "frame_resolution_arrival_s")
|
||||
aa_abs_p90_ms = 1000.0 * percentile_nearest_rank(
|
||||
[abs(item["delta_s_second_minus_first"]) for item in aa_pairs], 0.90)
|
||||
aa_summary = {"pairs": aa_pairs, "pair_count": len(aa_pairs),
|
||||
"absolute_delta_p90_ms": aa_abs_p90_ms}
|
||||
write_json(UE_OUT / "aa" / "summary.json", aa_summary)
|
||||
|
||||
off_vs_base = all_rows["off_vs_ca0bf76"]
|
||||
for condition, root, binary in (("fixed-off", fixed_root, fixed_binary),
|
||||
("ca0bf76", baseline_root, baseline_binary)):
|
||||
if not has_run(off_vs_base, condition, "warmup"):
|
||||
run_batch_arm(off_vs_base, "off-vs-ca0bf76", condition, root, binary,
|
||||
WAIT_OFF, APPLY_OFF_MS, "warmup")
|
||||
for pair in range(1, 11):
|
||||
control_order = (("fixed-off", "ca0bf76") if pair % 2
|
||||
else ("ca0bf76", "fixed-off"))
|
||||
for condition in control_order:
|
||||
if has_run(off_vs_base, condition, f"pair-{pair}"):
|
||||
continue
|
||||
root, binary = ((fixed_root, fixed_binary) if condition == "fixed-off"
|
||||
else (baseline_root, baseline_binary))
|
||||
run_batch_arm(off_vs_base, "off-vs-ca0bf76", condition, root, binary,
|
||||
WAIT_OFF, APPLY_OFF_MS, f"pair-{pair}")
|
||||
control_pairs = paired_deltas(off_vs_base, "ca0bf76", "fixed-off",
|
||||
"frame_resolution_arrival_s")
|
||||
control_slower = sum(item["delta_s_second_minus_first"] > 0 for item in control_pairs)
|
||||
control_summary = {"pairs": control_pairs, "pair_count": len(control_pairs),
|
||||
"fixed_off_slower_pairs": control_slower,
|
||||
"stop_at_eight_slower": control_slower >= 8}
|
||||
write_json(UE_OUT / "off-vs-ca0bf76" / "summary.json", control_summary)
|
||||
if control_slower >= 8:
|
||||
final = {"status": "STOPPED_CONTROL_FAILED", "timing_machine": quiet,
|
||||
"aa": aa_summary, "fixed_off_vs_ca0bf76": control_summary,
|
||||
"fixed_on_vs_off": None,
|
||||
"reason": "fixed-off was slower than true ca0bf76 in at least 8/10 pairs"}
|
||||
write_json(UE_OUT / "decision-summary.json", final)
|
||||
print("[L172Decision] " + json.dumps({key: value for key, value in final.items()
|
||||
if key not in ("aa", "fixed_off_vs_ca0bf76")},
|
||||
sort_keys=True), flush=True)
|
||||
return 0
|
||||
|
||||
on_vs_off = all_rows["on_vs_off"]
|
||||
for condition, wait, budget in (("fixed-on", WAIT_ON, APPLY_ON_MS),
|
||||
("fixed-off", WAIT_OFF, APPLY_OFF_MS)):
|
||||
if not has_run(on_vs_off, condition, "warmup"):
|
||||
run_batch_arm(on_vs_off, "on-vs-off", condition, fixed_root, fixed_binary,
|
||||
wait, budget, "warmup")
|
||||
settings = {"fixed-on": (WAIT_ON, APPLY_ON_MS),
|
||||
"fixed-off": (WAIT_OFF, APPLY_OFF_MS)}
|
||||
for pair in range(1, 11):
|
||||
on_off_order = (("fixed-on", "fixed-off") if pair % 2
|
||||
else ("fixed-off", "fixed-on"))
|
||||
for condition in on_off_order:
|
||||
if has_run(on_vs_off, condition, f"pair-{pair}"):
|
||||
continue
|
||||
wait, budget = settings[condition]
|
||||
run_batch_arm(on_vs_off, "on-vs-off", condition, fixed_root, fixed_binary,
|
||||
wait, budget, f"pair-{pair}")
|
||||
promotion_pairs = paired_deltas(on_vs_off, "fixed-off", "fixed-on",
|
||||
"frame_resolution_arrival_s")
|
||||
arrival_deltas_ms = [1000.0 * item["delta_s_second_minus_first"]
|
||||
for item in promotion_pairs]
|
||||
paired_median_delta_ms = statistics.median(arrival_deltas_ms)
|
||||
slower_pairs = sum(value > 0 for value in arrival_deltas_ms)
|
||||
tolerance_ms = max(aa_abs_p90_ms, 17.0)
|
||||
fixed_off_rows = [row for row in on_vs_off if row["condition"] == "fixed-off"
|
||||
and row["run"].startswith("pair-")]
|
||||
fixed_on_rows = [row for row in on_vs_off if row["condition"] == "fixed-on"
|
||||
and row["run"].startswith("pair-")]
|
||||
near_gain = (statistics.median(row["near_readiness_moving_mean_pct"]
|
||||
for row in fixed_on_rows)
|
||||
- statistics.median(row["near_readiness_moving_mean_pct"]
|
||||
for row in fixed_off_rows))
|
||||
far_change = (statistics.median(row["far_holes_moving_median_pct"]
|
||||
for row in fixed_on_rows)
|
||||
- statistics.median(row["far_holes_moving_median_pct"]
|
||||
for row in fixed_off_rows))
|
||||
moving_gate_rows = [row for row in on_vs_off if row["run"].startswith("pair-")]
|
||||
gates = {
|
||||
"arrival_median_delta_within_tolerance": paired_median_delta_ms <= tolerance_ms,
|
||||
"arrival_candidate_slower_in_at_most_6_of_10": slower_pairs <= 6,
|
||||
"near_gain_at_least_9_6_pp": near_gain >= 9.6,
|
||||
"far_hole_change_at_most_minus_1_35_pp": far_change <= -1.35,
|
||||
"on_off_moving_runs_p99_at_most_11_ms": all(
|
||||
row["tick_p99_ms"] is not None and row["tick_p99_ms"] <= 11.0
|
||||
for row in moving_gate_rows),
|
||||
"on_off_moving_runs_worst_at_most_14_ms": all(
|
||||
row["tick_worst_ms"] is not None and row["tick_worst_ms"] <= 14.0
|
||||
for row in moving_gate_rows),
|
||||
}
|
||||
on_off_summary = {
|
||||
"pairs": promotion_pairs,
|
||||
"paired_median_delta_ms": paired_median_delta_ms,
|
||||
"candidate_slower_pairs": slower_pairs,
|
||||
"arrival_tolerance_ms": tolerance_ms,
|
||||
"aa_absolute_delta_p90_ms": aa_abs_p90_ms,
|
||||
"near_gain_pp": near_gain,
|
||||
"far_hole_change_pp": far_change,
|
||||
"gates": gates,
|
||||
}
|
||||
write_json(UE_OUT / "on-vs-off" / "summary.json", on_off_summary)
|
||||
promote = all(gates.values()) and not control_summary["stop_at_eight_slower"]
|
||||
final = {
|
||||
"status": "PROMOTE" if promote else "KEEP_DEFAULTS_OFF",
|
||||
"timing_machine": quiet,
|
||||
"aa": aa_summary,
|
||||
"fixed_off_vs_ca0bf76": control_summary,
|
||||
"fixed_on_vs_off": on_off_summary,
|
||||
"moving_metrics_medians": {
|
||||
"fixed_off_near_pct": statistics.median(
|
||||
row["near_readiness_moving_mean_pct"] for row in fixed_off_rows),
|
||||
"fixed_on_near_pct": statistics.median(
|
||||
row["near_readiness_moving_mean_pct"] for row in fixed_on_rows),
|
||||
"fixed_off_far_holes_pct": statistics.median(
|
||||
row["far_holes_moving_median_pct"] for row in fixed_off_rows),
|
||||
"fixed_on_far_holes_pct": statistics.median(
|
||||
row["far_holes_moving_median_pct"] for row in fixed_on_rows),
|
||||
"fixed_on_p99_ms_max": max(row["tick_p99_ms"] for row in fixed_on_rows),
|
||||
"fixed_on_worst_tick_ms_max": max(row["tick_worst_ms"] for row in fixed_on_rows),
|
||||
},
|
||||
"promotion_gates": gates,
|
||||
"all_runs": all_rows,
|
||||
"switch_defaults": {
|
||||
"voxel.StreamingFastTravelWaitForAllCriticalTiles": 0 if promote else 1,
|
||||
"voxel.StreamingFastTravelApplyBudgetMilliseconds": 1.0 if promote else 0.0,
|
||||
"voxel.StreamingIncrementalDesiredSet": 1,
|
||||
"voxel.StreamingFastTravelForwardFirst": 0,
|
||||
"voxel.StreamingRebuildOnCoreRegionCompletion": 1,
|
||||
"voxel.StreamingCoreDesiredCacheByCenter": 0,
|
||||
"voxel.StreamingIncrementalDesiredAuditEvery": 0,
|
||||
"voxel.StreamingIncrementalDesiredMaterializationAuditEvery": 0,
|
||||
"voxel.StreamingIncrementalDesiredAuditInjectMismatch": 0,
|
||||
},
|
||||
}
|
||||
write_json(UE_OUT / "decision-summary.json", final)
|
||||
print("[L172Decision] " + json.dumps({
|
||||
"status": final["status"], "aa_abs_p90_ms": aa_abs_p90_ms,
|
||||
"arrival_median_delta_ms": paired_median_delta_ms,
|
||||
"arrival_tolerance_ms": tolerance_ms, "slower_pairs": slower_pairs,
|
||||
"near_gain_pp": near_gain, "far_hole_change_pp": far_change,
|
||||
"gates": gates}, sort_keys=True), flush=True)
|
||||
return 0
|
||||
finally:
|
||||
restored = restore_main_checkout()
|
||||
write_json(OUT / "restored-main-links.json", {
|
||||
"time_utc": utc_now(), "main_root": str(MAIN_CHECKOUT.resolve()),
|
||||
"links": restored["links"], "intermediates_moved": restored["intermediates_moved"]})
|
||||
|
||||
|
||||
def run_default_smoke() -> int:
|
||||
build = json.loads((OUT / "build-fixed-default-on.json").read_text(encoding="utf-8"))
|
||||
try:
|
||||
row = run_trial("default-smoke", "default-on-smoke", "fixed-on", ROOT,
|
||||
Path(build["binary"]), WAIT_ON, APPLY_ON_MS,
|
||||
include_switch_overrides=False)
|
||||
write_json(UE_OUT / "default-on-smoke" / "summary.json", row)
|
||||
print("[L172DefaultSmoke] " + json.dumps(row, sort_keys=True), flush=True)
|
||||
return 0
|
||||
finally:
|
||||
restored = restore_main_checkout()
|
||||
write_json(OUT / "restored-main-links.json", {
|
||||
"time_utc": utc_now(), "main_root": str(MAIN_CHECKOUT.resolve()),
|
||||
"links": restored["links"],
|
||||
"intermediates_moved": restored["intermediates_moved"]})
|
||||
|
||||
|
||||
def main() -> int:
|
||||
parser = argparse.ArgumentParser()
|
||||
subparsers = parser.add_subparsers(dest="command", required=True)
|
||||
subparsers.add_parser("prepare", help="make a fresh ca0bf76 worktree and clean UE builds")
|
||||
subparsers.add_parser("rescore", help="rescore saved L169 and L170 traces by scheduler frame")
|
||||
subparsers.add_parser("matrix", help="run the L172 A/A and counterbalanced 10-pair matrices")
|
||||
subparsers.add_parser("default-smoke", help="run the built default-on binary without CVar overrides")
|
||||
args = parser.parse_args()
|
||||
if args.command == "prepare":
|
||||
return prepare()
|
||||
if args.command == "rescore":
|
||||
rescore_saved_traces()
|
||||
return 0
|
||||
if args.command == "matrix":
|
||||
return run_matrix()
|
||||
if args.command == "default-smoke":
|
||||
return run_default_smoke()
|
||||
return 2
|
||||
|
||||
|
||||
if __name__ == "__main__":
|
||||
raise SystemExit(main())
|
||||
Reference in new issue
Block a user