File size: 2,186 Bytes
5dd27d0 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 | """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 # one condition frame per latent frame
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'))))
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