37 lines
1.5 KiB
JavaScript
37 lines
1.5 KiB
JavaScript
// The heavy-world benchmark: same song, same seed, same planted population —
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// only the decision cadence varies. Sim-only (no render), field 128.
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import { buildSong } from '../src/song/song.js';
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import { analyse } from '../src/audio/analyse.js';
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import { decodeWav, mono } from '../src/audio/wav.js';
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import { World } from '../src/sim/world.js';
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import { readFileSync } from 'node:fs';
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const name = process.argv[2] ?? 'runner';
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const frames = Number(process.argv[3] ?? 300);
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const wav = decodeWav(readFileSync(new URL(`../../flow-state/test/songs/${name}.wav`, import.meta.url)));
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const song = buildSong(analyse(mono(wav.channels), wav.sampleRate), 12345);
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function plant(w) {
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// identical starting points: a dense 80×80 metropolis west of centre
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const F = w.field;
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for (let y = 24; y < 104; y++) {
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for (let x = 24; x < 104; x++) {
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const i = y * F + x;
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for (let s = 0; s < w.m; s++) w.pop[s][i] = 1.6;
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}
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}
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w.recount();
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}
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for (const vmEvery of [1, 2, 3]) {
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const w = new World(song, { fps: 30, field: 128, genesis: 0, vmEvery });
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plant(w);
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const start = w.count;
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// warm-up
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for (let f = 0; f < 30; f++) w.step();
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const t0 = process.hrtime.bigint();
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for (let f = 0; f < frames; f++) w.step();
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const ms = Number(process.hrtime.bigint() - t0) / 1e6 / frames;
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console.log(`vmEvery=${vmEvery} sim ${ms.toFixed(1)} ms/frame (start ${Math.round(start)}, now ${Math.round(w.count)}, peak-ish budget ${Math.round(w.cap).toLocaleString()})`);
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}
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