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saphidandClaude Opus 5.5
9e4dcdd147
- Per-frame timing on the Mac's clock (capture, encode, network, decode, draw), viewer clock sync and reports, input echo, /stats and a HUD. - scripts/macview-bench.py: repeatable runs on the real Frame, a shaping relay (no sudo), interleaved A/B between agent settings; results in bench/results/. - Adaptive controller: ack-based send gate with jitter-aware slack, AIMD bitrate that knows when a stream is app-limited, fps then size tiers. On a 50->3->50 Mbit/s step, scroll p95 went from 4.7 s to 72 ms; no cost on a clean link. - Separate mode: real AppKit event loop (HiDPI and NSScreen now work), cropped capture for fixed-size windows, windows kept on their display, graceful quit restores windows; stop/start races fixed. - Encoder timeline clamp (no oversized frame after a pause). - Frame Control shows each live stream's fps, delay, bitrate and tier. Reviewed by GPT-6 Astra xhigh (read-only), 7 rounds; findings fixed. Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
33 lines
1.8 KiB
HTML
33 lines
1.8 KiB
HTML
<!doctype html>
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<!-- Benchmark content: a long page of text that scrolls itself at a steady
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speed, so every frame changes the way reading a real page does. -->
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<html lang="en"><head><meta charset="utf-8"><title>fmv-bench scroll</title>
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<style>
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body { font: 17px/1.55 -apple-system, "Helvetica Neue", sans-serif; margin: 0 auto; max-width: 900px; padding: 24px; color: #1d1d1f; background: #fff; }
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h2 { font-size: 22px; margin: 28px 0 8px; } code { background: #f2f2f5; padding: 1px 4px; border-radius: 3px; }
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</style></head><body><div id="doc"></div>
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<script>
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const words = "latency frame panel stream encoder decoder network display pixel window capture budget quality motion text sharp adaptive controller queue socket clock".split(" ");
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let seed = 7; const rnd = () => (seed = (seed * 16807) % 2147483647) / 2147483647;
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let html = "";
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for (let s = 0; s < 120; s++) {
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html += `<h2>Section ${s + 1}: ${words[s % words.length]} and ${words[(s * 7) % words.length]}</h2>`;
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for (let p = 0; p < 4; p++) {
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let para = [];
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for (let w = 0; w < 70; w++) para.push(rnd() < 0.05 ? `<code>${words[Math.floor(rnd() * words.length)]}()</code>` : words[Math.floor(rnd() * words.length)]);
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html += `<p>${para.join(" ")}.</p>`;
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}
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}
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document.getElementById("doc").innerHTML = html;
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// 240 points a second, whatever the display's refresh rate.
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// The title carries the page's own frame rate, so the source's rate is known.
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let last = performance.now(), frames = 0, since = last;
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function step(now) {
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const dy = (now - last) * 0.24; last = now;
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if (++frames && now - since >= 1000) { document.title = `fmv-bench scroll ${frames} fps`; frames = 0; since = now; }
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if (window.scrollY + innerHeight >= document.body.scrollHeight - 2) window.scrollTo(0, 0); else window.scrollBy(0, dy);
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requestAnimationFrame(step);
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}
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requestAnimationFrame(step);
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</script></body></html>
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