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docs(render): VM7 closeout — performance matrix PASS on fe56b6cf; #422 row updated (Campaign VM)

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Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
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# Atmospheric Rendering Performance Matrix
Scope: offline fixed-scene pack diagnostics. Final receiver CPU authority requires connected identical pack-off/on A/B.
- Result: **PASS**
- Source commit: `fe56b6cf32c5ec0fc46fc2b5c1645d39098c1d60`
- Binary commit: `fe56b6cf32c5ec0fc46fc2b5c1645d39098c1d60` (source match: True)
- Vulkan adapter: `AMD Radeon RX 9070 XT|vendor 0x1002, device 0x7550, driver 2.0.395 (raw 0x0080018B)|0`
- Frame pacing: `uncapped`
- Pins: warmup 45000 ms; day group 0; world day fraction 0.5; sky phase 0 s; MSAA 0; orbit 0 m
- Evidence window: explicit presets reset diagnostics after warmup; Auto preserves its hysteresis-owned rolling window. Every active row waits for a complete 2048-sample CPU / receiver / GPU window (300000 ms timeout).
## Declared ceilings
| Preset | CPU p50 / p99 (ms) | GPU p50 / p99 at 1080p (ms) | Resident MiB |
|---|---:|---:|---:|
| low | 0.15 / 0.5 | 2 / 3 | 64 |
| medium | 0.25 / 0.75 | 3.25 / 4.5 | 128 |
| high | 0.35 / 1 | 4.5 / 6 | 256 |
## Rows
| Pacing | Preset | Resolution | Availability | CPU / receiver / GPU samples | CPU p50 / p95 / p99 ms | Receiver p50 / p95 / p99 ms | GPU p50 / p95 / p99 ms | Resident MiB | Process WS / private MiB | Casters | Cascades | Draw / dispatch | Framebuffer / paired-default SHA-256 | Result |
|---|---|---:|---|---:|---:|---:|---:|---:|---:|---:|---:|---:|---|---|
| uncapped | retail | 1920x1080 | Retail | 0 / 0 / 0 | 0 / 0 / 0 | 0 / 0 / 0 | 0 / 0 / 0 | 0 | 1390.32 / 1606.82 | 0 | 0 | 0 / 0 | 116f897ad43404d6b0647f02025565435d19459ea90b0da182feac5d18482b36 / n/a | PASS |
| uncapped | low | 1920x1080 | Active | 2048 / 2048 / 2048 | 0.125 / 0.14 / 0.163 | 2.577 / 2.664 / 2.92 | 0.921 / 1.025 / 1.029 | 40.219 | 1476.875 / 1696.25 | 9498 | 2 | 11 / 0 | d50153b9f0b4a4ef901240bb9839fa233c253b660de97591c0c1ece8fefac850 / 116f897ad43404d6b0647f02025565435d19459ea90b0da182feac5d18482b36 | PASS |
| uncapped | medium | 1920x1080 | Active | 2048 / 2048 / 2048 | 0.134 / 0.154 / 0.189 | 2.557 / 2.661 / 2.964 | 1.033 / 1.06 / 1.17 | 74.09 | 1546.066 / 1802.129 | 9498 | 3 | 21 / 0 | 60f2f40a08c659b3d49b9902f82bd046b80947670768a4462af1da766964e525 / 116f897ad43404d6b0647f02025565435d19459ea90b0da182feac5d18482b36 | PASS |
| uncapped | high | 1920x1080 | Active | 2048 / 2048 / 2048 | 0.135 / 0.147 / 0.174 | 2.413 / 2.469 / 2.835 | 1.235 / 1.277 / 1.295 | 114.056 | 1472.148 / 1773.285 | 9498 | 4 | 26 / 0 | df93fda4127969c025dd51199fda74e25e837ebfb0b66a4a89884dc0a7c87892 / 116f897ad43404d6b0647f02025565435d19459ea90b0da182feac5d18482b36 | PASS |