steam-frame/saphid--frame-control
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saphid--frame-control/bench/results/2026-09-28-a3c6e5c-dirty-ab-keepwarm.json
T
saphidandClaude Opus 5.5 9e4dcdd147 Mac in the headset: measure every frame, adapt to the network, separate windows 
- 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>
2026-09-28 20:56:14 +10:00

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{
"label": "ab-keepwarm",
"date": "2026-09-28T20:28:57",
"commit": "a3c6e5c+dirty",
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"host": "frame",
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},
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"t": 2,
"fps": 26,
"mbps": 0.08,
"content_p50": 12.9,
"content_p95": 15.3,
"bitrate": 14860800,
"tier": 0,
"w": 1920,
"net": null
},
{
"t": 3,
"fps": 6,
"mbps": 0.08,
"content_p50": 13.5,
"content_p95": 17.2,
"bitrate": 14860800,
"tier": 0,
"w": 1920,
"net": null
},
{
"t": 4,
"fps": 4,
"mbps": 0.05,
"content_p50": 18.8,
"content_p95": 25.6,
"bitrate": 14860800,
"tier": 0,
"w": 1920,
"net": null
},
{
"t": 5,
"fps": 3,
"mbps": 0.01,
"content_p50": 13.3,
"content_p95": 13.8,
"bitrate": 14860800,
"tier": 0,
"w": 1920,
"net": null
},
{
"t": 10,
"fps": 4,
"mbps": 0.03,
"content_p50": 264.8,
"content_p95": 354.5,
"bitrate": 300000,
"tier": 0,
"w": 1920,
"net": null
},
{
"t": 11,
"fps": 3,
"mbps": 0.01,
"content_p50": 13.8,
"content_p95": 15.1,
"bitrate": 300000,
"tier": 0,
"w": 1920,
"net": null
}
],
"adapt": [],
"content_p50": 13.4,
"content_p95": 21.6,
"input_p50": 42.5,
"input_p95": 194.0,
"grades": {
"input_replies": "bad",
"content_p50": "local",
"content_p95": "local",
"input_p50": "local",
"input_p95": "bad"
},
"controller": {
"adapt": true,
"baseRtt": 0,
"ceiling": 14860800,
"fps": 60,
"inFlight": 0,
"scale": 1,
"slack": 41.666,
"target": 14855423,
"tier": 0
},
"events": [
{
"t": 10.93,
"e": "down to 300 kbit/s: queue 0 ms, held 0, oldest 201 ms, base 5 ms, sent 61 got 0 wants 51"
}
],
"source_fps": 6.1,
"cpu": {
"mac_agent_pct": 2.1,
"frame_viewer_pct": 11.1,
"frame_tailscaled_pct": 2.6,
"frame_sshd_pct": 0.4,
"frame_gamescope_pct": 6.0,
"frame_total_pct": 25.6
},
"viewer": "h264 software; ANGLE (Mesa, zink Vulkan 1.4(Turnip Adreno (TM) 750 (MESA_TURNIP)), OpenGL 4.6); raf 72 Hz",
"show_s": 1.32,
"panel": "valve.steam.desktopgame.2001763888",
"src": "separate:7401"
}
]
]
},
"table": {
"type": {
"content_p50": {
"cold": [
13.9,
12.8,
14.6
],
"warm": [
14.5,
13.0,
13.4
]
},
"content_p95": {
"cold": [
25.6,
19.4,
60.4
],
"warm": [
29.9,
25.6,
21.6
]
},
"input_p50": {
"cold": [
44.5,
35.9,
44.3
],
"warm": [
46.6,
51.4,
42.5
]
},
"input_p95": {
"cold": [
68.2,
91.9,
236.4
],
"warm": [
71.3,
63.8,
194.0
]
},
"fps": {
"cold": [
6.9,
9.0,
3.9
],
"warm": [
5.4,
10.4,
6.1
]
},
"late_pct": {
"cold": [
51.37,
41.88,
61.45
],
"warm": [
72.17,
38.46,
17.83
]
},
"stall_max": {
"cold": [
1007.5,
2314.7,
9230.5
],
"warm": [
1001.0,
4500.7,
9246.3
]
},
"mbps": {
"cold": [
0.03,
0.03,
0.15
],
"warm": [
0.03,
0.05,
0.02
]
}
}
}
}
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