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Run summary · P1.D Stage 2 (splats 抑制 + Metal axis 1 効率化基盤)
lego-brushcompat-opacdecay-30k
P1.D Stage 2 brush 互換 + opacity decay 30k full bench
partial pass
01
設定
- dataset
- /Users/otkrickey/dev/3dgs-workspace/datasets/nerf_synthetic/lego
- gt_convention
- Premultiplied
- iterations
- 30,000
- seed
- 42
- capacity
- 1,000,000 splats
- sh_degree
- 3
- loss
- L1Ssim
- lambda
- 0.200
- ssim
- window=7 sigma=1
- backend.backward
- Simd
- backend.loss_path
- Gpu
02
結果
Val PSNR
36.11dB
Wallclock
41m 54s
Final splats
375,146
Final loss
5.165299e-3
03
3D ビューワー
学習結果 PLY を .splat 形式に変換し、antimatter15/splat の WebGL ビューワーで対話表示。
04
推移
Loss curve — 反復ごとの training loss
Splat count — refine の発火と最終構成
05
中間ログ抜粋
| iter | 本 run loss |
|---|---|
| 1 | 5.9384e-1 |
| 1,000 | 5.1726e-2 |
| 2,000 | 1.4371e-2 |
| 3,000 | 8.7669e-3 |
| 4,000 | 7.3872e-3 |
| 5,000 | 6.7933e-3 |
| 6,000 | 6.3518e-3 |
| 7,000 | 6.1670e-3 |
| 8,000 | 6.0003e-3 |
| 9,000 | 5.8799e-3 |
| 10,000 | 5.8711e-3 |
| 11,000 | 5.6741e-3 |
| 12,000 | 5.6233e-3 |
| 13,000 | 5.5537e-3 |
| 14,000 | 5.4626e-3 |
| 15,000 | 5.4291e-3 |
| 16,000 | 5.3544e-3 |
| 17,000 | 5.3697e-3 |
| 18,000 | 5.3703e-3 |
| 19,000 | 5.3935e-3 |
| 20,000 | 5.3209e-3 |
| 21,000 | 5.3471e-3 |
| 22,000 | 5.1789e-3 |
| 23,000 | 5.2516e-3 |
| 24,000 | 5.1482e-3 |
| 25,000 | 5.1706e-3 |
| 26,000 | 5.1399e-3 |
| 27,000 | 5.1148e-3 |
| 28,000 | 5.0531e-3 |
| 29,000 | 5.1990e-3 |
| 30,000 | 5.1653e-3 |
06
関連 finding
この run を related_runs に含む finding (Positive / Negative どちらも)。
- positivePhase G.3 SH-progressive — 5k smoke -14% は artifact、30k full は **quality improvement + 0.28 dB** に reframe、stacked + G.1 で **Pareto sweet spot** (Lego -61% wallclock + 0.15 dB)Δ PSNR +0.15 dB stacked (vs Phase D)、+0.28 dB 30k single (vs Phase D)、-0.12 dB 5k smoke (許容)Δ **-61% stacked** (vs Phase D)、-1.9% 30k single、-13.9% 5k smoke (artifact)2026-05-25
- positiveP1.D multi-scene Phase D re-chain final — 8 scene mean 33.49 dB、brush mean 32.86 を +0.63 dB 上回り、universal win-win-win 実証Δ PSNR 8 scene mean +0.63 dB vs brush paper (33.49 vs 32.86)Δ -61% total chain (13h+ → 5h 5m)2026-05-25
- positiveP1.D Stage 2 — Lego brushcompat + opacity decay 30k = 36.106 dB、splats -56% / wallclock -32%Δ PSNR +0.92 dB vs baseline 30k (35.184 → 36.106)Δ -32% vs baseline 30k (1h 02m 18s → 41m 54s)2026-05-25