| """Time the browser-free engine: per-frame simulate + export + pipe, at the live 24 fps cadence.""" |
| import json |
| import statistics |
| import time |
|
|
| from engine_client import Engine |
|
|
| started = time.perf_counter() |
| engine = Engine() |
| boot_ms = (time.perf_counter() - started) * 1e3 |
| scene = engine.scene |
| print(json.dumps(dict(boot_ms=round(boot_ms), draws=len(scene['draws']), geometries=len(scene['geometries']), |
| materials=sorted({m['type'] for m in scene['materials']}), lights=scene['lights'], |
| triangles=int(sum(g['indices'] for g in scene['geometries']) // 3), clear=scene['clearColor'], |
| tone=scene['toneMapping'], exposure=scene['exposure']))) |
|
|
| rows = [] |
| for i in range(480): |
| target = round((i + 1) * 60 / 24) |
| events = [{'action': 'enter', 'phase': 'down'}, {'action': 'enter', 'phase': 'up'}] if i == 5 else [] |
| if 40 <= i < 400 and i % 20 == 0: |
| events.append({'action': 'w', 'phase': 'down' if (i // 20) % 2 == 0 else 'up'}) |
| if 60 <= i < 400 and i % 37 == 0: |
| events += [{'action': 'j', 'phase': 'down'}, {'action': 'j', 'phase': 'up'}] |
| capture = (i % 4) == 0 |
| t0 = time.perf_counter() |
| header, arrays = engine.advance(target, events, capture=capture) |
| rows.append(dict(capture=capture, total=(time.perf_counter() - t0) * 1e3, **header['timing'], |
| bytes=sum(a.nbytes for a in arrays.values()))) |
| state = header.get('state') or {} |
| engine.close() |
|
|
| def stat(xs): |
| xs = sorted(xs) |
| return dict(n=len(xs), median=round(xs[len(xs) // 2], 3), p95=round(xs[int(len(xs) * .95)], 3), max=round(xs[-1], 3)) |
| steady = rows[30:] |
| print(json.dumps(dict( |
| sim_only_frame_ms=stat([r['total'] for r in steady if not r['capture']]), |
| capture_frame_ms=stat([r['total'] for r in steady if r['capture']]), |
| node_simulate_ms=stat([r['simulate_ms'] for r in steady]), |
| node_export_ms=stat([r['export_ms'] for r in steady if r['capture']]), |
| capture_bytes=steady[0]['bytes'] if steady[0]['capture'] else max(r['bytes'] for r in steady), |
| final_state={k: state.get(k) for k in ('state', 'elapsed', 'shots', 'hits', 'kills', 'health', 'ammo')}, |
| player=state.get('player')))) |
|
|
