[{"data":1,"prerenderedAt":161},["ShallowReactive",2],{"run:lego-stp-12500":3,"run-findings:lego-stp-12500":130},{"run":4,"config":21,"metrics":75,"curve":81,"assets":129},{"id":5,"title":5,"subtitle":6,"eyebrow":7,"date":8,"workspace":9,"commit":10,"tags":11,"verdict":20},"lego-stp-12500","2026-08 msplat gap sweep Phase 0.1 — 規約 v2 適用後 baseline、per-kernel breakdown 取得 (StopThePop 12.5k gate run)","Run summary · P1 Phase G.5 final Pareto integration","2026-08-16","splat","31864b3",[12,13,14,15,16,17,18,19],"p1-g","phase-g","early-stop","sh-progressive","stacked","lego-15k","brush-compat","premultiplied","partial",[22,25,28,31,34,37,40,43,46,49,52,55,58,61,64,67,70,72],{"key":23,"value":24},"dataset","\u002FUsers\u002Fotkrickey\u002Fdev\u002F3dgs-workspace\u002Fdatasets\u002Fnerf_synthetic\u002Flego",{"key":26,"value":27},"gt_convention","Premultiplied",{"key":29,"value":30},"iterations","12,500",{"key":32,"value":33},"seed","42",{"key":35,"value":36},"capacity","1,000,000 splats",{"key":38,"value":39},"sh_degree","3",{"key":41,"value":42},"loss","L1Ssim",{"key":44,"value":45},"lambda","0.200",{"key":47,"value":48},"ssim","window=7 sigma=1",{"key":50,"value":51},"backend.backward","Simd",{"key":53,"value":54},"backend.loss_path","Gpu",{"key":56,"value":57},"backend.emit_pairs","StopThePop",{"key":59,"value":60},"backend.forward","F32",{"key":62,"value":63},"backend.dispatch","PerStage",{"key":65,"value":66},"backend.radix_scan","Cpu",{"key":68,"value":69},"backend.target_cache","true",{"key":71,"value":69},"backend.shader_fast_math",{"key":73,"value":74},"os_build","26.5.2 (25F84)",{"psnr":76,"wallclock":77,"wallclock_regress":78,"splats":79,"final_loss":80},36.193031311035156,"11m 48s",false,407575,"5.541245e-3",{"loss":82,"splats":113},{"iters":83,"values":98},[84,85,86,87,88,89,90,91,92,93,94,95,96,97],1,1000,2000,3000,4000,5000,6000,7000,8000,9000,10000,11000,12000,12500,[99,100,101,102,103,104,105,106,107,108,109,110,111,112],0.5938454866409302,0.053790293633937836,0.013720476999878883,0.007891682907938957,0.007155299186706543,0.006490260362625122,0.00623717438429594,0.005929366685450077,0.005791554227471352,0.0056646354496479034,0.005661985836923122,0.005490101873874664,0.005498573649674654,0.005541244521737099,{"iters":114,"values":115},[84,85,86,87,88,89,90,91,92,93,94,95,96,97],[116,117,118,119,120,121,122,123,124,125,126,127,128,79],5207,7998,180417,295408,348044,374007,388812,396896,401459,403638,404552,405390,406742,{"has_renders":78,"has_splat":78},[131],{"id":132,"title":133,"date":8,"status":134,"polarity":135,"category":136,"axes":137,"tags":138,"task_code":148,"related_runs":149,"delta_psnr":155,"delta_wallclock":156,"rank":157,"verdict":158,"impact_summary":159,"detail_path":160},"p2-gap-sweep-baseline","P2 gap sweep Phase 0\u002F1a — binning 55% 実測 + C0 発見 + StopThePop -7.45%","stable","positive","experiment",[84],[139,140,141,142,143,144,145,146,147],"gap-sweep","phase-0","phase-1a","profiling","per-kernel-breakdown","stop-the-pop","binning","c0-resident-arena","lego","2026-08 msplat gap sweep Phase 0 + 1a",[150,5,151,152,153,154],"lego-gap-baseline-12500","lego-stp-ab-original-5k-r1","lego-stp-ab-original-5k-r2","lego-stp-ab-stp-5k-r1","lego-stp-ab-stp-5k-r2","STP 12.5k: 36.216 → 36.193 dB = -0.023 dB (guard -0.05 内で通過)","STP 12.5k: 766.07 → 708.96s = **-7.45%** (emit -10.5% \u002F radix -8% \u002F backward -6%)","high","binning-55-percent-c0-discovered-stp-marginal-go","\u003Cstrong>Phase 2 の主戦場が確定\u003C\u002Fstrong>: strategy doc の trigger 3 候補 (separable SSIM \u002F last_contributor \u002F SH-Adam fusion) は全て閾値不発、代わりに \u003Cstrong>binning 経路 55% の主犯 = per-iter ~1.25GB alloc + Vec 三重往復 (C0)\u003C\u002Fstrong> が最大 lever。C0 (persistent buffer arena、bit-exact、3-4 日) の期待は \u003Cstrong>wallclock -30〜39% (766→~470s) で単独 gap ≤2.0× 到達圏\u003C\u002Fstrong>。C1 (radix 定数桁 pass skip 16→11、bit-exact、0.5-1 日) が +4-5%。StopThePop は -7.45% で adoption gate (-8%) に僅差未達、default 維持のまま C0 後再判定。5 連敗の教訓「profiling が指す順」が機能した初の事例 — 事前決め打ちなら SSIM (5.2%) に突撃していた。","\u002Ffindings\u002Fp2-gap-sweep-baseline\u002F",1790227324519]