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Run summary · 2026-09 第 5 回ゼミ milestones — M5a (A6 SSIM float4 化)
m5a-12500-off-r1
M5a SSIM float4 gate arm A (baseline, per_channel): Lego 12.5k full run repeat 1
partial pass
01
設定
- dataset
- /Users/otkrickey/dev/3dgs-workspace/datasets/nerf_synthetic/lego
- gt_convention
- Premultiplied
- iterations
- 12,500
- 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
- backend.emit_pairs
- Original
- backend.forward
- F32
- backend.dispatch
- PerStage
- backend.radix_scan
- GpuHierarchical
- backend.radix_scatter
- SimdBallot
- backend.binning
- Resident
- backend.tile_sort
- GlobalRadix
- backend.submission
- Chained
- backend.target_cache
- true
- backend.shader_fast_math
- true
- os_build
- 26.6.2 (25G83)
- backend.ssim_clear
- HostMemset
- backend.raster_grad_clear
- HostMemset
- backend.backward_uniform
- HostBuffer
- backend.lazy_c3_scratch
- false
- backend.ssim_walk
- PerChannel
02
結果
Val PSNR
36.26dB
Wallclock
2m 8s
Final splats
407,399
Final loss
5.568728e-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 | 5.9385e-1 |
| 1,000 | 5.4517e-2 |
| 2,000 | 1.3758e-2 |
| 3,000 | 8.2786e-3 |
| 4,000 | 7.4439e-3 |
| 5,000 | 6.5528e-3 |
| 6,000 | 6.1415e-3 |
| 7,000 | 5.9133e-3 |
| 8,000 | 5.7388e-3 |
| 9,000 | 5.7130e-3 |
| 10,000 | 5.5959e-3 |
| 11,000 | 5.5868e-3 |
| 12,000 | 5.4925e-3 |
| 12,500 | 5.5687e-3 |