[{"data":1,"prerenderedAt":274},["ShallowReactive",2],{"run:counter-12500-prof":3,"run-findings:counter-12500-prof":245},{"run":4,"config":17,"metrics":80,"curve":86,"assets":244},{"id":5,"title":5,"subtitle":6,"eyebrow":7,"date":8,"workspace":9,"commit":10,"tags":11,"verdict":16},"counter-12500-prof","counter session (H1\u002FH2\u002FH3): default スタック 12.5k を profile=true で 1 本 — [gpu] busy 軌跡 (refine tick \u002F 序盤大 splat 期 vs 後期) を取る。wallclock は profiling オーバーヘッド込みなので 219.51s 系列とは比較不可","Run summary · 2026-08 msplat gap sweep Phase 3 (parity 再計測)","2026-08-16","splat","56519c4",[12,13,14,15],"p2-counter-session","gpu-busy","profile-on","lego-12500","partial",[18,21,24,27,30,33,36,39,42,45,48,51,54,57,60,63,66,69,72,75,77],{"key":19,"value":20},"dataset","\u002FUsers\u002Fotkrickey\u002Fdev\u002F3dgs-workspace\u002Fdatasets\u002Fnerf_synthetic\u002Flego",{"key":22,"value":23},"gt_convention","Premultiplied",{"key":25,"value":26},"iterations","12,500",{"key":28,"value":29},"seed","42",{"key":31,"value":32},"capacity","1,000,000 splats",{"key":34,"value":35},"sh_degree","3",{"key":37,"value":38},"loss","L1Ssim",{"key":40,"value":41},"lambda","0.200",{"key":43,"value":44},"ssim","window=7 sigma=1",{"key":46,"value":47},"backend.backward","Simd",{"key":49,"value":50},"backend.loss_path","Gpu",{"key":52,"value":53},"backend.emit_pairs","Original",{"key":55,"value":56},"backend.forward","F32",{"key":58,"value":59},"backend.dispatch","PerStage",{"key":61,"value":62},"backend.radix_scan","Cpu",{"key":64,"value":65},"backend.binning","Resident",{"key":67,"value":68},"backend.tile_sort","GlobalRadix",{"key":70,"value":71},"backend.submission","Chained",{"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},36.2624397277832,"3m 56s",false,409140,"5.387596e-3",{"loss":87,"splats":192},{"iters":88,"values":140},[89,90,91,92,93,94,95,96,97,98,99,100,101,102,103,104,105,106,107,108,109,110,111,112,113,114,115,116,117,118,119,120,121,122,123,124,125,126,127,128,129,130,131,132,133,134,135,136,137,138,139],1,250,500,750,1000,1250,1500,1750,2000,2250,2500,2750,3000,3250,3500,3750,4000,4250,4500,4750,5000,5250,5500,5750,6000,6250,6500,6750,7000,7250,7500,7750,8000,8250,8500,8750,9000,9250,9500,9750,10000,10250,10500,10750,11000,11250,11500,11750,12000,12250,12500,[141,142,143,144,145,146,147,148,149,150,151,152,153,154,155,156,157,158,159,160,161,162,163,164,165,166,167,168,169,170,171,172,173,174,175,176,177,178,179,180,181,182,183,184,185,186,187,188,189,190,191],0.5938454866409302,0.09952379018068314,0.09397121518850327,0.0641786977648735,0.05484173446893692,0.03627023845911026,0.027004987001419067,0.018030377104878426,0.014114350080490112,0.011006664484739304,0.009789730422198772,0.008412088267505169,0.0081092594191432,0.0078007131814956665,0.008246665820479393,0.006647291127592325,0.007193474099040031,0.006103171966969967,0.006705801002681255,0.005749911535531282,0.0064710332080721855,0.00555399339646101,0.0062561798840761185,0.0053755054250359535,0.006126376800239086,0.005226435139775276,0.006009839475154877,0.005125023424625397,0.005871833302080631,0.005038024857640266,0.005836251191794872,0.004936606157571077,0.005737597122788429,0.0048918090760707855,0.005680692382156849,0.004832839127629995,0.005647590849548578,0.004772542975842953,0.005588846281170845,0.0047265347093343735,0.0054979389533400536,0.004670223221182823,0.005511373747140169,0.00462688971310854,0.005454549565911293,0.004581333603709936,0.005470646545290947,0.004559839144349098,0.005421018693596125,0.00453420914709568,0.005387595854699612,{"iters":193,"values":194},[89,90,91,92,93,94,95,96,97,98,99,100,101,102,103,104,105,106,107,108,109,110,111,112,113,114,115,116,117,118,119,120,121,122,123,124,125,126,127,128,129,130,131,132,133,134,135,136,137,138,139],[195,195,196,197,198,199,200,201,202,203,204,205,206,207,208,209,210,211,212,213,214,215,216,217,218,219,220,221,222,223,224,225,226,227,228,229,230,231,232,233,234,235,236,237,238,239,240,241,242,243,84],5207,562,1621,8210,21879,72182,118715,181039,216245,253518,272768,296755,313104,329296,338135,349303,355675,363967,368768,375063,378702,383397,386174,389850,391943,394640,396149,398049,399152,400644,401427,402493,403147,403984,404514,405039,405325,405727,405978,406239,406394,406727,406914,407167,407374,407700,407992,408398,408695,{"has_renders":83,"has_splat":83},[246],{"id":12,"title":247,"date":8,"status":248,"polarity":249,"category":250,"axes":251,"tags":253,"task_code":264,"related_runs":265,"delta_psnr":268,"delta_wallclock":269,"rank":270,"verdict":271,"impact_summary":272,"detail_path":273},"P2 counter session — default スタックの GPU busy% は 68〜69% で確定、H1 (bubble) 単独で W 比 0.70 を説明。H3 (DVFS) は棄却、卒論の「エネルギー 0.7-0.8× で勝つ」は不成立 (GPU energy 0.90×・package energy 1.06×)","stable","mixed","experiment",[89,252],3,[254,13,255,256,257,258,259,260,261,262,263],"counter-session","ioreport","power","energy","dvfs","p-state","msplat","m4-max","thesis-ready","negative","2026-08 1× 工程表 v2 — AC 復帰後 計測 queue #1",[5,266,267],"counter-12500-noprof-r1","counter-12500-noprof-r2","本 session の 12.5k n=3 self-eval (premultiplied convention) mean 36.174 dB (36.187 \u002F 36.130 \u002F 36.204)、profile=true 1 本 36.262 dB。msplat 30K native val (white) n=4 mean 36.539 dB。**convention 依存のため直接比較しない** (p2-msplat-parity-lego の cross-eval 表を参照)","12.5k profile=false n=3 mean **216.12s** (219.35 \u002F 222.71 \u002F 206.31) — W2 gate の 219.51s と同水準 (日内 drift 内)。msplat 30K n=4 mean **169.77s** (176.09 \u002F 161.37 \u002F 173.93 \u002F 167.68)。等価 gap = **1.273×**","high","busy-68to69pct-H1-only-H3-refuted-energy-claim-withdrawn","1× 工程表 v2 が「AC 復帰後 queue #1」に置いていた counter session を実施し、3 問すべてを実測で閉じた。\u003Cstrong>(1) busy% 論争は 68〜69% で決着\u003C\u002Fstrong> — bench (final 68.9% \u002F iter5000 67.5%、n=3、cb_dropped=0・overlap 1.00×) と 12.5k full run の補正値 (148.169s busy ÷ 同日 profile=false wallclock 216.12s = 68.6%) が一致。\u003Cstrong>(2) H1\u002FH2\u002FH3 の verdict は「H1 単独で説明・H2 null・H3 棄却」\u003C\u002Fstrong>。W 比 0.704 ≈ busy 比 0.689 なので activity factor の差 (H2) を持ち出す必要がなく、P-state residency は本実装が P15 に 97.6〜98.0% (bench) 居座る一方、msplat の方が電力上限で P10〜P14 に落ちる — \u003Cstrong>DVFS で損をしているのは msplat であって本実装ではない\u003C\u002Fstrong>。\u003Cstrong>(3) 卒論 positive の撤回\u003C\u002Fstrong>: roadmap v2 が期待した「エネルギー 0.7-0.8× = W\u002FPSNR 効率で勝つ」は\u003Cstrong>不成立\u003C\u002Fstrong>。W が 0.70× でも wallclock が 1.273× 長いので、完走までの GPU energy は \u003Cstrong>0.897×\u003C\u002Fstrong> (10% 得) に留まり、CPU を含む package energy では \u003Cstrong>1.062×\u003C\u002Fstrong> (6% 損) に反転する。energy 0.75× を達成するには W 比 0.573× が必要で、実測 0.704× は energy 等価点 (0.764×) の外側。\u003Cstrong>結論: 卒論 §5 で電力効率を主張軸にはできない。正しい主張は「同じ package 電力枠でより長く回る = 熱設計に優しい」ではなく、単純に『S2\u002FS3 で bubble を潰せば W も energy も改善する余地が 31% 残っている』という engineering debt の定量化。\u003C\u002Fstrong>","\u002Ffindings\u002Fp2-counter-session\u002F",1790227323336]