[{"data":1,"prerenderedAt":162},["ShallowReactive",2],{"run:lego-w1-warpany-12500":3,"run-findings:lego-w1-warpany-12500":135},{"run":4,"config":20,"metrics":80,"curve":86,"assets":134},{"id":5,"title":5,"subtitle":6,"eyebrow":7,"date":8,"workspace":9,"commit":10,"tags":11,"verdict":19},"lego-w1-warpany-12500","2026-08 1× 工程表 v2 W1 — warp sparse skip + exp-skip (bit-exact) の 12.5k PSNR guard + wallclock gate (rep1\u002F3 — PSNR guard は n=3 mean 判定)","Run summary · 1x roadmap v2 W1","2026-08-16","splat","85016f6",[12,13,14,15,16,17,18],"p2-w1","warp-sparse-skip","exp-skip","gpu-gate","lego-12500","brush-compat","premultiplied","partial",[21,24,27,30,33,36,39,42,45,48,51,54,57,60,63,66,69,72,75,77],{"key":22,"value":23},"dataset","\u002FUsers\u002Fotkrickey\u002Fdev\u002F3dgs-workspace\u002Fdatasets\u002Fnerf_synthetic\u002Flego",{"key":25,"value":26},"gt_convention","Premultiplied",{"key":28,"value":29},"iterations","12,500",{"key":31,"value":32},"seed","42",{"key":34,"value":35},"capacity","1,000,000 splats",{"key":37,"value":38},"sh_degree","3",{"key":40,"value":41},"loss","L1Ssim",{"key":43,"value":44},"lambda","0.200",{"key":46,"value":47},"ssim","window=7 sigma=1",{"key":49,"value":50},"backend.backward","Simd",{"key":52,"value":53},"backend.loss_path","Gpu",{"key":55,"value":56},"backend.emit_pairs","Original",{"key":58,"value":59},"backend.forward","F32",{"key":61,"value":62},"backend.dispatch","PerStage",{"key":64,"value":65},"backend.radix_scan","Cpu",{"key":67,"value":68},"backend.binning","Resident",{"key":70,"value":71},"backend.tile_sort","GlobalRadix",{"key":73,"value":74},"backend.target_cache","true",{"key":76,"value":74},"backend.shader_fast_math",{"key":78,"value":79},"os_build","26.5.2 (25F84)",{"psnr":81,"wallclock":82,"wallclock_regress":83,"splats":84,"final_loss":85},36.20934295654297,"3m 59s",false,410446,"5.519842e-3",{"loss":87,"splats":118},{"iters":88,"values":103},[89,90,91,92,93,94,95,96,97,98,99,100,101,102],1,1000,2000,3000,4000,5000,6000,7000,8000,9000,10000,11000,12000,12500,[104,105,106,107,108,109,110,111,112,113,114,115,116,117],0.5938450694084167,0.054358161985874176,0.014048732817173004,0.008184593170881271,0.007321920245885849,0.006545047741383314,0.006208375096321106,0.0059632412157952785,0.00585647439584136,0.005653616972267628,0.005651029758155346,0.005517835728824139,0.0054221320897340775,0.00551984179764986,{"iters":119,"values":120},[89,90,91,92,93,94,95,96,97,98,99,100,101,102],[121,122,123,124,125,126,127,128,129,130,131,132,133,84],5207,8301,182853,297982,350274,376591,391600,399569,403920,406276,407520,408455,409696,{"has_renders":83,"has_splat":83},[136],{"id":137,"title":138,"date":8,"status":139,"polarity":140,"category":141,"axes":142,"tags":143,"task_code":152,"related_runs":153,"delta_psnr":156,"delta_wallclock":157,"rank":158,"verdict":159,"impact_summary":160,"detail_path":161},"p2-w1-warp-sparse-skip","W1 warp sparse skip + exp-skip — backward -35% \u002F replay -11.2% (bit-exact)","stable","positive","experiment",[89],[144,145,13,14,146,147,148,149,150,151],"1x-roadmap-v2","w1","backward","forward","simd-any","function-constant","bit-exact","lego","2026-08 1× 工程表 v2 W1",[5,154,155],"lego-w1-warpany-12500-rep2","lego-w1-warpany-12500-rep3","12.5k gate n=3: 36.209 \u002F 36.201 \u002F 36.193 dB → mean 36.201 dB = 基準 36.148 (S1 n=3 mean) 比 +0.053 dB (guard ±0.1 内、n=3 mean 判定 — S1 の教訓に従い n=1 判定なし)","replay bench final regime: 21.724 → 19.300 ms\u002Fiter = **-11.16%** (閾値 max(2σ,1%)=2.7%)。iter5000 regime: 19.984 → 17.759 = **-11.13%** (閾値 3.1%)。backward_raster: 7.183 → 4.652 ms\u002Fcall (**-35.2%**、GPU 部 5.963 → 3.437 = -42.4%)。12.5k full run n=3: 239.74 \u002F 246.93 \u002F 237.57s → mean **241.41s** (S1 基準 261.55s 比 **-7.7%**)","high","w1-adopted-default-flip-warp-any","1× 工程表 v2 の第 1 波。msplat \u002F Inria \u002F brush の 3 実装が持ち本実装だけ欠落していた backward の 2 つの skip を、bit-exact の等価性論証つきで移植した。backward_raster は LC (2-BWD) 後の 7.2ms\u002Fcall から 4.65ms\u002Fcall へ -35.2% (kernel share 13.1% に低下)、replay 全体で -11.2%。12.5k full run は 261.55 → 241.41s で msplat 同日等価 gap は 1.56× → 1.44× に縮小。数学的同値の施策のみの累計は 766.07 → 241.41s = -68.5% になった。次の律速は forward (23.6%) \u002F radix (15.0%) で、W2 (encoder\u002FCB 統合) と計測 (counter session) が次段。","\u002Ffindings\u002Fp2-w1-warp-sparse-skip\u002F",1790227324541]