I calculated the capex expenditure for perft(16) which would be in the range of 4000 - 8500usd in terms of vastai instances. Perft(15) cost around 200usd. It would be a lot cheaper if I ask a University or one of the engines lc0 or stockfish if they can divert some gpu time for this.
Perft(16) is not only in reach, it is realistic and could be done in 2 days given the proper (non exotic, number of 5090, 4090 gpus).
On exotic hardware it works too, but the kernel is so well optimized that the real number truly scales with gpu 32bit integer Tflops x No. of gpus. Optimal machine - 512GB of Ram (or more) - 8x 5090 or more. Ideally 20 times the same machine (160 gpus in total for 2 days)
So call for action - if you are interested in Perft(16) or know anybody who is, lets get this topic going.
Here an example P13 run from just now - It runs at 65600.14 GN/s (without the TT) and at a astonishing 4030452.930 GN/S (yes that is 4 Million Billion - or 4PN/S) per second.
At higher depths the TT number goes up even more, and the node rate (without TT) sits at 65TN/s.
Code: Select all
19:20:05 [deploy] online
19:20:06 [deploy] all 1 agent(s) online
19:20:06 [deploy] online
registered kind=vast GPU=NVIDIA GeForce RTX 5090 x8 32607 MB (TT sized at runtime from free VRAM / CHESS_TT_VRAM_MB)
assigned to default-P13-r0-e5 on NVIDIA GeForce RTX 5090 x8 (tl-bc02c29c2e500ed9) -- engine starts on first unit, CHESS_GPUS=8
leasing units for default-P13-r0-e5
[2026-08-24 17:20:22:729] - [HOSTRAM] effective host RAM 519.2 GB (519207649280 B) source=cgroup /sys/fs/cgroup/memory.max [cgroup 519.2 GB vs sysconf 540.8 GB]; usable now 518.4 GB
[2026-08-24 17:20:23:910] - READY
[2026-08-24 17:20:23:910] - rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 0 1
[2026-08-24 17:20:23:910] - ZOBRIST=DEFAULT
[2026-08-24 17:20:23:910] - [CONFIG] FEN: rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 0 1
[2026-08-24 17:20:23:910] - [CONFIG] DEPTH: 13
[2026-08-24 17:20:23:910] - [CONFIG] GPU DEPTH: 5
[2026-08-24 17:20:23:910] - [CONFIG] CPU: 96 cores source=affinity (hw 192)
[2026-08-24 17:20:23:911] - [CONFIG] RAM: 519.2 GB (518.4 GB usable) source=cgroup
[2026-08-24 17:20:24:062] - [CONFIG] VRAM: gpu0 33.7 GB (33.1 GB free)
[2026-08-24 17:20:24:219] - [CONFIG] VRAM: gpu1 33.7 GB (33.1 GB free)
[2026-08-24 17:20:24:362] - [CONFIG] VRAM: gpu2 33.7 GB (33.1 GB free)
[2026-08-24 17:20:24:511] - [CONFIG] VRAM: gpu3 33.7 GB (33.1 GB free)
[2026-08-24 17:20:24:666] - [CONFIG] VRAM: gpu4 33.7 GB (33.1 GB free)
[2026-08-24 17:20:24:875] - [CONFIG] VRAM: gpu5 33.7 GB (33.1 GB free)
[2026-08-24 17:20:25:033] - [CONFIG] VRAM: gpu6 33.7 GB (33.1 GB free)
[2026-08-24 17:20:25:189] - [CONFIG] VRAM: gpu7 33.7 GB (33.1 GB free)
[2026-08-24 17:20:25:189] - [CONFIG] RUN: frontierPly=8 endDepth=5 gpus=8 stream=off(default) exact=off tt=on mmap=(auto) zobrist=DEFAULT
[2026-08-24 17:20:25:190] - [membudget] COMPRESS cap raised to 410.2 GB from the 56 GB default (usable host RAM 482.6 GB; pin with COMPRESS_MEM_CAP_GB)
[2026-08-24 17:20:25:191] - [HOST] pinning feed buffers (8 lane(s) x 106 MB, concurrent with the ladder)
[2026-08-24 17:20:27:725] - [HOST] fusing ply 7 into the stream - producers expand two plies from 9417683 ply-6 boards instead of materializing the last level first
[2026-08-24 17:20:27:798] - [TT] sizing from the tightest of 8 counting device(s): device 1 with 31433 MB free
[2026-08-24 17:20:27:798] - [TT] tier sizing: 155879896/623519584/1247039172 slots (30.20 GB tables, pow2 shape 27/29/30) scheme=fastrange f=1.16
[2026-08-24 17:20:27:798] - [TT] counting VRAM: 32.42 GB tables + 0.54 GB reserved of 33.67 GB card = 98% in use (CHESS_TT_HEADROOM_MB to move it)
[2026-08-24 17:20:27:866] - [LEDGER] file=/tmp/tlm-ledger/rnbqkbnr_pppppppp_8_8_8_8_PPPPPPPP_RNBQKBNR_w_KQkq_-_0_1_13.sledger interval=600s (CHESS_LEDGER_SEC) blockrun>=1 (CHESS_STREAM_BLOCKRUN) mode=drain-free (producers park at a run boundary, the cut is written once the units staged before it retire, gpus keep counting) resume=fresh
[2026-08-24 17:20:27:866] - [sledger] armed /tmp/tlm-ledger/rnbqkbnr_pppppppp_8_8_8_8_PPPPPPPP_RNBQKBNR_w_KQkq_-_0_1_13.sledger - checkpoint every 600s over 9417683 parent board(s) in 2413 block(s)
[2026-08-24 17:20:27:887] - [HOST] unit pool 282 units (18726 MB host)
[2026-08-24 17:20:27:907] - [HOST] budget: table 109.4 + pool 19.6 + lanes 1.34 + level 0.01 + driver 12.9 = 143.3 GB peak of 516.0 GB usable (72% headroom); parents 9417683 -> ~1139539643 expected uniques in 3418615808 slots
[2026-08-24 17:20:33:527] - [HOST] prefault 109.4 GB in 5.62s (192 threads)
[2026-08-24 17:20:33:527] - [HOST] staged-index reserve 870400 roots/producer (94 producers, unit 870400, blockrun 1 = 94-block window over 2413 source block(s)) - one range is one contiguous run of the source level
[2026-08-24 17:20:33:570] - [TT] lane pinning + async init blocked 0.13s
[2026-08-24 17:20:33:570] - [GPU] streaming ply 8 (fused 2-ply host expansion) on 8 device(s) - Threads 435200 (3400 x 128) - depth=5
[2026-08-24 17:20:35:433] - [GPU] counting started
[2026-08-24 17:20:41:578] - [GPU] 0.1% 870400/~1413712730 roots 8.0s elapsed 459331.6 GN/s 5964.31 raw GN/s pool 128/282 ~ETA 12995.8s (60s 0 raw)
[2026-08-24 17:20:43:579] - [GPU] 1.3% 18278400/~1400054490 roots 10.0s elapsed 2717657.1 GN/s 35829.53 raw GN/s pool 156/282 ~ETA 514.6s (60s 155288 raw)
[2026-08-24 17:20:45:581] - [GPU] 1.8% 25241600/~1430545828 roots 12.0s elapsed 3041661.9 GN/s 42085.94 raw GN/s pool 249/282 ~ETA 480.7s (60s 114326 raw)
[2026-08-24 17:20:47:583] - [GPU] 2.2% 32204800/~1445726586 roots 14.0s elapsed 3337846.9 GN/s 46808.29 raw GN/s pool 255/282 ~ETA 457.5s (60s 101264 raw)
[2026-08-24 17:20:49:585] - [GPU] 2.7% 38297600/~1444082778 roots 16.0s elapsed 3461249.8 GN/s 48500.80 raw GN/s pool 256/282 ~ETA 457.0s (60s 91033 raw)
[2026-08-24 17:20:51:587] - [GPU] 2.9% 41779200/~1438046668 roots 18.0s elapsed 3395053.3 GN/s 47395.92 raw GN/s pool 259/282 ~ETA 522.0s (60s 80537 raw)
[2026-08-24 17:20:53:589] - [GPU] 3.3% 47872000/~1431564008 roots 20.0s elapsed 3499865.3 GN/s 48784.24 raw GN/s pool 262/282 ~ETA 496.8s (60s 77326 raw)
[2026-08-24 17:20:55:592] - [GPU] 3.9% 54835200/~1423464349 roots 22.0s elapsed 3672107.3 GN/s 50975.25 raw GN/s pool 260/282 ~ETA 457.3s (60s 76690 raw)
[2026-08-24 17:20:57:594] - [GPU] 4.4% 61798400/~1411091738 roots 24.0s elapsed 3833338.3 GN/s 52831.66 raw GN/s pool 259/282 ~ETA 430.0s (60s 76260 raw)
[2026-08-24 17:20:59:597] - [GPU] 4.7% 66150400/~1409239227 roots 26.0s elapsed 3799055.0 GN/s 52394.95 raw GN/s pool 262/282 ~ETA 471.5s (60s 73025 raw)
[2026-08-24 17:21:01:598] - [GPU] 5.1% 71372800/~1406439784 roots 28.0s elapsed 3824026.3 GN/s 52902.21 raw GN/s pool 265/282 ~ETA 480.8s (60s 71673 raw)
[2026-08-24 17:21:03:600] - [GPU] 5.5% 77465600/~1405968685 roots 30.0s elapsed 3882229.6 GN/s 53760.32 raw GN/s pool 267/282 ~ETA 465.0s (60s 71136 raw)
[2026-08-24 17:21:05:602] - [GPU] 6.0% 83558400/~1398052528 roots 32.0s elapsed 3986423.4 GN/s 54796.59 raw GN/s pool 265/282 ~ETA 451.3s (60s 71070 raw)
[2026-08-24 17:21:07:604] - [GPU] 6.4% 88780800/~1392374481 roots 34.0s elapsed 4014895.7 GN/s 54928.28 raw GN/s pool 265/282 ~ETA 462.0s (60s 69990 raw)
[2026-08-24 17:21:09:606] - [GPU] 6.8% 94873600/~1389756600 roots 36.0s elapsed 4069333.4 GN/s 55580.92 raw GN/s pool 266/282 ~ETA 448.4s (60s 69754 raw)
[2026-08-24 17:21:11:608] - [GPU] 7.3% 100966400/~1381983692 roots 38.0s elapsed 4136455.3 GN/s 56171.91 raw GN/s pool 266/282 ~ETA 436.5s (60s 69557 raw)
[2026-08-24 17:21:13:610] - [GPU] 7.8% 107059200/~1377933313 roots 40.0s elapsed 4174865.9 GN/s 56529.91 raw GN/s pool 266/282 ~ETA 428.3s (60s 69168 raw)
[2026-08-24 17:21:15:612] - [GPU] 8.2% 112281600/~1371081667 roots 42.0s elapsed 4204521.3 GN/s 56676.16 raw GN/s pool 265/282 ~ETA 440.2s (60s 68606 raw)
[2026-08-24 17:21:17:614] - [GPU] 8.7% 118374400/~1365906312 roots 44.0s elapsed 4251337.3 GN/s 57163.58 raw GN/s pool 262/282 ~ETA 428.0s (60s 68539 raw)
[2026-08-24 17:21:19:617] - [GPU] 9.1% 123596800/~1354625789 roots 46.0s elapsed 4303315.8 GN/s 57470.09 raw GN/s pool 269/282 ~ETA 436.2s (60s 68311 raw)
[2026-08-24 17:21:21:619] - [GPU] 9.5% 127948800/~1346695982 roots 48.0s elapsed 4308545.4 GN/s 57206.27 raw GN/s pool 269/282 ~ETA 463.8s (60s 67452 raw)
[2026-08-24 17:21:23:622] - [GPU] 10.1% 134912000/~1337370237 roots 50.1s elapsed 4427188.2 GN/s 58439.64 raw GN/s pool 265/282 ~ETA 417.1s (60s 68432 raw)
[2026-08-24 17:21:25:624] - [GPU] 10.5% 139264000/~1330568537 roots 52.1s elapsed 4428139.7 GN/s 58244.01 raw GN/s pool 267/282 ~ETA 446.2s (60s 67747 raw)
[2026-08-24 17:21:27:626] - [GPU] 11.1% 146227200/~1321437811 roots 54.1s elapsed 4532506.2 GN/s 59205.47 raw GN/s pool 264/282 ~ETA 403.5s (60s 68462 raw)
[2026-08-24 17:21:29:628] - [GPU] 11.6% 152320000/~1312324798 roots 56.1s elapsed 4590279.5 GN/s 59590.41 raw GN/s pool 265/282 ~ETA 393.0s (60s 68526 raw)
[2026-08-24 17:21:31:632] - [GPU] 11.9% 155801600/~1309802158 roots 58.1s elapsed 4558807.0 GN/s 59082.16 raw GN/s pool 263/282 ~ETA 446.0s (60s 67578 raw)
[2026-08-24 17:21:33:634] - [GPU] 12.5% 161894400/~1299942652 roots 60.1s elapsed 4643063.3 GN/s 59674.97 raw GN/s pool 261/282 ~ETA 417.8s (60s 67936 raw)
[2026-08-24 17:21:35:636] - [GPU] 12.9% 167116800/~1293209799 roots 62.1s elapsed 4677746.4 GN/s 59789.68 raw GN/s pool 263/282 ~ETA 418.7s (60s 67761 raw)
[2026-08-24 17:21:37:638] - [GPU] 13.5% 173209600/~1286296417 roots 64.1s elapsed 4733557.5 GN/s 60126.06 raw GN/s pool 267/282 ~ETA 398.2s (60s 67861 raw)
[2026-08-24 17:21:39:640] - [GPU] 14.0% 179302400/~1280224286 roots 66.1s elapsed 4782976.4 GN/s 60479.30 raw GN/s pool 268/282 ~ETA 383.6s (60s 67996 raw)
[2026-08-24 17:21:41:644] - [GPU] 14.6% 186265600/~1277470403 roots 68.1s elapsed 4848529.2 GN/s 61163.74 raw GN/s pool 265/282 ~ETA 357.6s (60s 65530 raw)
[2026-08-24 17:21:43:646] - [GPU] 15.0% 190617600/~1274628833 roots 70.1s elapsed 4829890.4 GN/s 60798.72 raw GN/s pool 264/282 ~ETA 388.8s (60s 64669 raw)
[2026-08-24 17:21:45:650] - [GPU] 15.4% 194969600/~1270149757 roots 72.1s elapsed 4822961.8 GN/s 60542.86 raw GN/s pool 264/282 ~ETA 413.0s (60s 63857 raw)
[2026-08-24 17:21:47:655] - [GPU] 15.9% 201932800/~1269174768 roots 74.1s elapsed 4876415.6 GN/s 61169.71 raw GN/s pool 258/282 ~ETA 372.6s (60s 64663 raw)
[2026-08-24 17:21:49:658] - [GPU] 16.3% 206284800/~1268056328 roots 76.1s elapsed 4855322.2 GN/s 60863.37 raw GN/s pool 255/282 ~ETA 399.6s (60s 65041 raw)
[2026-08-24 17:21:51:662] - [GPU] 16.8% 212377600/~1267897296 roots 78.1s elapsed 4867428.7 GN/s 61009.58 raw GN/s pool 250/282 ~ETA 380.8s (60s 65224 raw)
[2026-08-24 17:21:53:668] - [GPU] 17.2% 218470400/~1267820024 roots 80.1s elapsed 4903559.7 GN/s 61459.92 raw GN/s pool 243/282 ~ETA 368.0s (60s 65435 raw)
[2026-08-24 17:21:54:208] - [PERF WARNING] [sledger] waited 36s for 94 producer(s) to reach a run boundary before the cut. A run is CHESS_STREAM_BLOCKRUN (1) block(s); lower it to make a unit resumable sooner.
[2026-08-24 17:21:54:514] - [sledger] feed: parked 35.5s, first post-cut unit ready 0.3s after the cut, pool 262 -> min 244 of 282, filler 64534925 roots (74.14 units), lanes starved +0.0s, producers ring-blocked +2442.0s
[2026-08-24 17:21:55:670] - [GPU] 16.9% 222822400/~1317098496 roots 82.1s elapsed 4692749.9 GN/s 61123.23 raw GN/s pool 254/282 ~ETA 413.2s (60s 64553 raw)
[2026-08-24 17:21:57:572] - [GPU] 17.0% 228044800/~1339529385 roots 84.0s elapsed 4619430.8 GN/s 61144.60 raw GN/s pool 261/282 ~ETA 415.1s (60s 64474 raw)
[2026-08-24 17:21:59:574] - [GPU] 17.3% 234137600/~1355863218 roots 86.0s elapsed 4577855.9 GN/s 61342.86 raw GN/s pool 263/282 ~ETA 402.4s (60s 65225 raw)
[2026-08-24 17:22:01:577] - [GPU] 17.6% 240230400/~1363795188 roots 88.0s elapsed 4569806.6 GN/s 61603.44 raw GN/s pool 263/282 ~ETA 392.4s (60s 65669 raw)
[2026-08-24 17:22:03:579] - [GPU] 17.8% 243712000/~1366439621 roots 90.0s elapsed 4528395.7 GN/s 61153.43 raw GN/s pool 264/282 ~ETA 444.4s (60s 64855 raw)
[2026-08-24 17:22:05:581] - [GPU] 18.1% 249804800/~1377978722 roots 92.0s elapsed 4497816.3 GN/s 61321.49 raw GN/s pool 266/282 ~ETA 420.8s (60s 64806 raw)
[2026-08-24 17:22:07:586] - [GPU] 18.6% 256768000/~1377523792 roots 94.0s elapsed 4524163.1 GN/s 61663.24 raw GN/s pool 260/282 ~ETA 384.0s (60s 65485 raw)
[2026-08-24 17:22:09:588] - [GPU] 18.9% 261990400/~1387012022 roots 96.0s elapsed 4483778.6 GN/s 61608.87 raw GN/s pool 263/282 ~ETA 398.1s (60s 65230 raw)
[2026-08-24 17:22:11:592] - [GPU] 19.2% 267212800/~1389517273 roots 98.0s elapsed 4475356.4 GN/s 61620.61 raw GN/s pool 260/282 ~ETA 406.6s (60s 65076 raw)
[2026-08-24 17:22:13:594] - [GPU] 19.6% 273305600/~1393610441 roots 100.0s elapsed 4464031.3 GN/s 61681.36 raw GN/s pool 262/282 ~ETA 393.8s (60s 65120 raw)
[2026-08-24 17:22:15:596] - [GPU] 19.9% 278528000/~1397205051 roots 102.0s elapsed 4439812.1 GN/s 61575.37 raw GN/s pool 265/282 ~ETA 403.3s (60s 65009 raw)
[2026-08-24 17:22:17:598] - [GPU] 20.4% 284620800/~1396232992 roots 104.0s elapsed 4451964.8 GN/s 61771.47 raw GN/s pool 265/282 ~ETA 389.4s (60s 65155 raw)
[2026-08-24 17:22:19:600] - [GPU] 20.7% 289843200/~1399007480 roots 106.0s elapsed 4433640.6 GN/s 61713.16 raw GN/s pool 264/282 ~ETA 398.9s (60s 64970 raw)
[2026-08-24 17:22:21:602] - [GPU] 21.1% 295936000/~1399743543 roots 108.0s elapsed 4431212.4 GN/s 61815.87 raw GN/s pool 264/282 ~ETA 386.0s (60s 65508 raw)
[2026-08-24 17:22:23:604] - [GPU] 21.6% 302899200/~1400228298 roots 110.0s elapsed 4439121.8 GN/s 62116.16 raw GN/s pool 262/282 ~ETA 360.4s (60s 65184 raw)
[2026-08-24 17:22:25:606] - [GPU] 21.9% 307251200/~1404701524 roots 112.0s elapsed 4403251.2 GN/s 62005.18 raw GN/s pool 264/282 ~ETA 394.2s (60s 65269 raw)
[2026-08-24 17:22:27:608] - [GPU] 22.1% 311603200/~1407343271 roots 114.0s elapsed 4383230.5 GN/s 61779.49 raw GN/s pool 269/282 ~ETA 421.3s (60s 64099 raw)
[2026-08-24 17:22:29:611] - [GPU] 22.5% 317696000/~1409407977 roots 116.0s elapsed 4383047.3 GN/s 61953.30 raw GN/s pool 269/282 ~ETA 399.4s (60s 64162 raw)
[2026-08-24 17:22:31:612] - [GPU] 22.8% 322048000/~1412870266 roots 118.0s elapsed 4360460.6 GN/s 61793.39 raw GN/s pool 271/282 ~ETA 425.2s (60s 64418 raw)
[2026-08-24 17:22:33:614] - [GPU] 23.0% 326400000/~1416544230 roots 120.0s elapsed 4333057.8 GN/s 61605.81 raw GN/s pool 269/282 ~ETA 445.3s (60s 63539 raw)
[2026-08-24 17:22:35:616] - [GPU] 23.5% 333363200/~1418633479 roots 122.0s elapsed 4346887.7 GN/s 61882.73 raw GN/s pool 269/282 ~ETA 393.6s (60s 64049 raw)
[2026-08-24 17:22:37:618] - [GPU] 24.0% 339456000/~1413767956 roots 124.0s elapsed 4373138.7 GN/s 61982.56 raw GN/s pool 268/282 ~ETA 377.9s (60s 63966 raw)
[2026-08-24 17:22:39:620] - [GPU] 24.4% 345548800/~1414766170 roots 126.0s elapsed 4370814.3 GN/s 62016.18 raw GN/s pool 268/282 ~ETA 368.3s (60s 63709 raw)
[2026-08-24 17:22:41:622] - [GPU] 24.8% 351641600/~1415507430 roots 128.1s elapsed 4368412.4 GN/s 61986.50 raw GN/s pool 268/282 ~ETA 361.2s (60s 62920 raw)
[2026-08-24 17:22:43:624] - [GPU] 25.4% 357734400/~1406862325 roots 130.1s elapsed 4389022.1 GN/s 61925.44 raw GN/s pool 264/282 ~ETA 352.7s (60s 63242 raw)
[2026-08-24 17:22:45:627] - [GPU] 26.0% 364697600/~1404034652 roots 132.1s elapsed 4399249.0 GN/s 62046.68 raw GN/s pool 262/282 ~ETA 332.5s (60s 63854 raw)
[2026-08-24 17:22:47:628] - [GPU] 26.3% 370790400/~1408342504 roots 134.1s elapsed 4388096.6 GN/s 62135.13 raw GN/s pool 267/282 ~ETA 334.6s (60s 63328 raw)
[2026-08-24 17:22:49:630] - [GPU] 26.9% 376012800/~1400213603 roots 136.1s elapsed 4402700.8 GN/s 62063.78 raw GN/s pool 265/282 ~ETA 346.8s (60s 63587 raw)
[2026-08-24 17:22:51:632] - [GPU] 28.2% 390809600/~1386572976 roots 138.1s elapsed 4469636.9 GN/s 62573.90 raw GN/s pool 252/282 ~ETA 232.4s (60s 64611 raw)
[2026-08-24 17:22:53:634] - [GPU] 29.7% 407347200/~1373125617 roots 140.1s elapsed 4502114.8 GN/s 62683.25 raw GN/s pool 238/282 ~ETA 176.3s (60s 64317 raw)
[2026-08-24 17:22:55:636] - [GPU] 31.0% 426496000/~1374149845 roots 142.1s elapsed 4502013.3 GN/s 62913.22 raw GN/s pool 220/282 ~ETA 141.4s (60s 65364 raw)
[2026-08-24 17:22:57:637] - [GPU] 32.4% 449126400/~1385324550 roots 144.1s elapsed 4477171.5 GN/s 63207.66 raw GN/s pool 195/282 ~ETA 115.8s (60s 65970 raw)
[2026-08-24 17:22:59:639] - [GPU] 33.4% 459571200/~1377686940 roots 146.1s elapsed 4484211.1 GN/s 63038.59 raw GN/s pool 185/282 ~ETA 127.1s (60s 65214 raw)
[2026-08-24 17:23:00:816] - [sledger] checkpoint: 3416294 of 9417683 parent board(s) done (36.3%), running total 779537804300800539, 79s (cut 67s ago, gpus never drained, 135401882 merge(s) credited late, 53274401 re-staged) -> /tmp/tlm-ledger/rnbqkbnr_pppppppp_8_8_8_8_PPPPPPPP_RNBQKBNR_w_KQkq_-_0_1_13.sledger
[2026-08-24 17:23:01:642] - [GPU] 34.8% 466534400/~1339899939 roots 148.1s elapsed 4610912.6 GN/s 63119.23 raw GN/s pool 241/282 ~ETA 143.2s (60s 66167 raw)
[2026-08-24 17:23:02:123] - [sledger] feed: parked 0.9s, first post-cut unit ready 0.3s after the cut, pool 182 -> min 182 of 282, filler 25950261 roots (29.81 units), lanes starved +0.0s, producers ring-blocked +0.0s
[2026-08-24 17:23:03:644] - [GPU] 34.3% 473497600/~1382210768 roots 150.1s elapsed 4468212.6 GN/s 63174.52 raw GN/s pool 251/282 ~ETA 171.0s (60s 66111 raw)
[2026-08-24 17:23:05:646] - [GPU] 34.6% 481331200/~1391238474 roots 152.1s elapsed 4444711.7 GN/s 63385.72 raw GN/s pool 264/282 ~ETA 185.9s (60s 66175 raw)
[2026-08-24 17:23:07:649] - [GPU] 35.1% 489164800/~1395555379 roots 154.1s elapsed 4441629.9 GN/s 63557.23 raw GN/s pool 259/282 ~ETA 197.1s (60s 66779 raw)
[2026-08-24 17:23:09:652] - [GPU] 35.5% 496998400/~1398148032 roots 156.1s elapsed 4451178.6 GN/s 63921.66 raw GN/s pool 255/282 ~ETA 205.2s (60s 67806 raw)
[2026-08-24 17:23:11:654] - [GPU] 36.0% 506572800/~1405735504 roots 158.1s elapsed 4449945.8 GN/s 64340.18 raw GN/s pool 250/282 ~ETA 199.4s (60s 68921 raw)
[2026-08-24 17:23:13:656] - [GPU] 36.0% 512665600/~1424103366 roots 160.1s elapsed 4384077.7 GN/s 64325.14 raw GN/s pool 265/282 ~ETA 224.0s (60s 69157 raw)
[2026-08-24 17:23:15:659] - [GPU] 36.3% 519628800/~1430419887 roots 162.1s elapsed 4365539.2 GN/s 64480.35 raw GN/s pool 266/282 ~ETA 234.0s (60s 69334 raw)
[2026-08-24 17:23:17:660] - [GPU] 36.6% 524851200/~1435409865 roots 164.1s elapsed 4343510.6 GN/s 64497.78 raw GN/s pool 267/282 ~ETA 259.6s (60s 69583 raw)
[2026-08-24 17:23:19:662] - [GPU] 36.9% 531814400/~1442191184 roots 166.1s elapsed 4323419.9 GN/s 64674.80 raw GN/s pool 269/282 ~ETA 260.2s (60s 69994 raw)
[2026-08-24 17:23:21:665] - [GPU] 37.2% 537907200/~1445565050 roots 168.1s elapsed 4315853.8 GN/s 64751.65 raw GN/s pool 268/282 ~ETA 270.0s (60s 69746 raw)
[2026-08-24 17:23:23:666] - [GPU] 37.5% 543129600/~1447914917 roots 170.1s elapsed 4295850.9 GN/s 64651.55 raw GN/s pool 268/282 ~ETA 288.5s (60s 69758 raw)
[2026-08-24 17:23:25:668] - [GPU] 37.9% 549222400/~1450601239 roots 172.1s elapsed 4298957.2 GN/s 64723.27 raw GN/s pool 267/282 ~ETA 290.0s (60s 70505 raw)
[2026-08-24 17:23:27:670] - [GPU] 38.2% 555315200/~1454047502 roots 174.1s elapsed 4278621.5 GN/s 64723.89 raw GN/s pool 268/282 ~ETA 291.0s (60s 70261 raw)
[2026-08-24 17:23:29:572] - [GPU] 38.6% 562278400/~1456385462 roots 176.0s elapsed 4284039.7 GN/s 64934.09 raw GN/s pool 265/282 ~ETA 274.2s (60s 70703 raw)
[2026-08-24 17:23:31:574] - [GPU] 39.0% 568371200/~1457968635 roots 178.0s elapsed 4282300.9 GN/s 64969.54 raw GN/s pool 268/282 ~ETA 278.4s (60s 71222 raw)
[2026-08-24 17:23:33:576] - [GPU] 39.3% 575334400/~1462649370 roots 180.0s elapsed 4275743.9 GN/s 65130.38 raw GN/s pool 265/282 ~ETA 270.5s (60s 72187 raw)
[2026-08-24 17:23:35:578] - [GPU] 39.7% 581427200/~1464584501 roots 182.0s elapsed 4268961.5 GN/s 65129.79 raw GN/s pool 267/282 ~ETA 275.2s (60s 71739 raw)
[2026-08-24 17:23:37:580] - [GPU] 40.2% 588390400/~1463423111 roots 184.0s elapsed 4275287.2 GN/s 65258.35 raw GN/s pool 265/282 ~ETA 266.0s (60s 72035 raw)
[2026-08-24 17:23:39:582] - [GPU] 40.7% 595353600/~1463902958 roots 186.0s elapsed 4282565.8 GN/s 65418.20 raw GN/s pool 267/282 ~ETA 259.6s (60s 72570 raw)
[2026-08-24 17:23:41:584] - [GPU] 41.2% 602316800/~1460917746 roots 188.0s elapsed 4299139.8 GN/s 65549.88 raw GN/s pool 264/282 ~ETA 253.6s (60s 73160 raw)
[2026-08-24 17:23:43:586] - [GPU] 41.7% 608409600/~1459132806 roots 190.0s elapsed 4303759.6 GN/s 65600.14 raw GN/s pool 264/282 ~ETA 259.1s (60s 73570 raw)
[2026-08-24 17:23:45:588] - [GPU] 42.1% 615372800/~1459976952 roots 192.0s elapsed 4307430.0 GN/s 65784.13 raw GN/s pool 265/282 ~ETA 252.7s (60s 74015 raw)
[2026-08-24 17:23:47:590] - [GPU] 42.5% 619724800/~1458669123 roots 194.0s elapsed 4298796.3 GN/s 65672.17 raw GN/s pool 266/282 ~ETA 280.5s (60s 73580 raw)
[2026-08-24 17:23:49:592] - [GPU] 43.0% 625817600/~1455753448 roots 196.0s elapsed 4315552.8 GN/s 65820.44 raw GN/s pool 263/282 ~ETA 276.0s (60s 74345 raw)
[2026-08-24 17:23:51:594] - [GPU] 43.3% 630169600/~1454307985 roots 198.0s elapsed 4301625.8 GN/s 65658.91 raw GN/s pool 265/282 ~ETA 298.9s (60s 72762 raw)
[2026-08-24 17:23:53:597] - [GPU] 43.6% 636262400/~1458248165 roots 200.0s elapsed 4293726.5 GN/s 65750.50 raw GN/s pool 261/282 ~ETA 289.2s (60s 72915 raw)
[2026-08-24 17:23:55:600] - [GPU] 43.9% 640614400/~1457685529 roots 202.0s elapsed 4287960.8 GN/s 65656.28 raw GN/s pool 257/282 ~ETA 309.3s (60s 72155 raw)
[2026-08-24 17:23:57:602] - [GPU] 44.3% 644096000/~1454450344 roots 204.0s elapsed 4280925.3 GN/s 65436.00 raw GN/s pool 255/282 ~ETA 341.8s (60s 70790 raw)
[2026-08-24 17:23:59:604] - [GPU] 45.1% 653670400/~1449022655 roots 206.0s elapsed 4308767.4 GN/s 65675.77 raw GN/s pool 246/282 ~ETA 257.0s (60s 72100 raw)
[2026-08-24 17:24:01:606] - [GPU] 45.5% 658892800/~1447592892 roots 208.0s elapsed 4293586.9 GN/s 65511.51 raw GN/s pool 248/282 ~ETA 267.5s (60s 71419 raw)
[2026-08-24 17:24:03:609] - [GPU] 46.5% 668467200/~1437104569 roots 210.0s elapsed 4321921.7 GN/s 65614.38 raw GN/s pool 238/282 ~ETA 219.7s (60s 71721 raw)
[2026-08-24 17:24:05:611] - [GPU] 47.2% 676300800/~1434215912 roots 212.0s elapsed 4313674.7 GN/s 65514.85 raw GN/s pool 236/282 ~ETA 209.2s (60s 70914 raw)
[2026-08-24 17:24:07:613] - [GPU] 47.7% 680652800/~1427666835 roots 214.0s elapsed 4304693.9 GN/s 65233.30 raw GN/s pool 234/282 ~ETA 234.3s (60s 69540 raw)
[2026-08-24 17:24:09:615] - [GPU] 48.1% 686745600/~1428979774 roots 216.0s elapsed 4278717.2 GN/s 65111.46 raw GN/s pool 233/282 ~ETA 236.0s (60s 68208 raw)
[2026-08-24 17:24:11:616] - [GPU] 48.7% 694579200/~1425216896 roots 218.0s elapsed 4285454.9 GN/s 65155.66 raw GN/s pool 225/282 ~ETA 216.5s (60s 67306 raw)
[2026-08-24 17:24:13:618] - [GPU] 49.2% 701542400/~1425038961 roots 220.0s elapsed 4273372.0 GN/s 65040.58 raw GN/s pool 221/282 ~ETA 212.4s (60s 66951 raw)
[2026-08-24 17:24:15:620] - [GPU] 49.9% 707635200/~1418364792 roots 222.0s elapsed 4281276.6 GN/s 64929.46 raw GN/s pool 214/282 ~ETA 215.5s (60s 66143 raw)
[2026-08-24 17:24:17:621] - [GPU] 50.7% 713728000/~1408418333 roots 224.0s elapsed 4310175.3 GN/s 64992.09 raw GN/s pool 209/282 ~ETA 215.6s (60s 66345 raw)
[2026-08-24 17:24:19:623] - [GPU] 51.0% 717209600/~1405765293 roots 226.1s elapsed 4297835.6 GN/s 64734.97 raw GN/s pool 205/282 ~ETA 248.0s (60s 64902 raw)
[2026-08-24 17:24:20:328] - [sledger] checkpoint: 5016805 of 9417683 parent board(s) done (53.3%), running total 1125638274851558302, 146s (cut 79s ago, gpus never drained, 422508792 merge(s) credited late, 122895071 re-staged) -> /tmp/tlm-ledger/rnbqkbnr_pppppppp_8_8_8_8_PPPPPPPP_RNBQKBNR_w_KQkq_-_0_1_13.sledger
[2026-08-24 17:24:21:518] - [sledger] feed: parked 0.8s, first post-cut unit ready 0.3s after the cut, pool 199 -> min 199 of 282, filler 23400576 roots (26.88 units), lanes starved +0.0s, producers ring-blocked +0.0s
[2026-08-24 17:24:21:625] - [GPU] 52.3% 725913600/~1387491285 roots 228.1s elapsed 4365788.8 GN/s 65081.31 raw GN/s pool 262/282 ~ETA 203.7s (60s 66005 raw)
[2026-08-24 17:24:23:629] - [GPU] 52.7% 732876800/~1389786920 roots 230.1s elapsed 4375788.6 GN/s 65334.72 raw GN/s pool 258/282 ~ETA 198.1s (60s 67273 raw)
[2026-08-24 17:24:25:633] - [GPU] 53.2% 739840000/~1389599899 roots 232.1s elapsed 4383193.3 GN/s 65436.08 raw GN/s pool 250/282 ~ETA 193.2s (60s 67482 raw)
[2026-08-24 17:24:27:634] - [GPU] 53.3% 745932800/~1400470881 roots 234.1s elapsed 4348680.5 GN/s 65486.34 raw GN/s pool 252/282 ~ETA 200.3s (60s 67700 raw)
[2026-08-24 17:24:29:636] - [GPU] 53.5% 753766400/~1408305900 roots 236.1s elapsed 4332492.8 GN/s 65703.39 raw GN/s pool 250/282 ~ETA 189.1s (60s 67953 raw)
[2026-08-24 17:24:31:638] - [GPU] 53.7% 758988800/~1414402762 roots 238.1s elapsed 4304667.1 GN/s 65710.52 raw GN/s pool 262/282 ~ETA 204.5s (60s 67509 raw)
[2026-08-24 17:24:33:640] - [GPU] 53.9% 763340800/~1416693091 roots 240.1s elapsed 4292028.4 GN/s 65648.36 raw GN/s pool 259/282 ~ETA 225.6s (60s 67274 raw)
[2026-08-24 17:24:35:642] - [GPU] 54.2% 770304000/~1420765647 roots 242.1s elapsed 4290400.0 GN/s 65816.00 raw GN/s pool 255/282 ~ETA 211.8s (60s 67583 raw)
[2026-08-24 17:24:37:644] - [GPU] 54.8% 776396800/~1416613240 roots 244.1s elapsed 4319410.9 GN/s 66070.50 raw GN/s pool 251/282 ~ETA 209.1s (60s 68160 raw)
[2026-08-24 17:24:39:646] - [GPU] 54.9% 782489600/~1425291718 roots 246.1s elapsed 4298587.7 GN/s 66243.85 raw GN/s pool 263/282 ~ETA 210.3s (60s 68491 raw)
[2026-08-24 17:24:41:648] - [GPU] 55.2% 787712000/~1427209394 roots 248.1s elapsed 4288105.2 GN/s 66266.58 raw GN/s pool 268/282 ~ETA 218.8s (60s 68448 raw)
[2026-08-24 17:24:43:650] - [GPU] 55.8% 795545600/~1424997459 roots 250.1s elapsed 4302862.1 GN/s 66507.10 raw GN/s pool 264/282 ~ETA 195.5s (60s 68898 raw)
[2026-08-24 17:24:45:652] - [GPU] 56.1% 800768000/~1427077111 roots 252.1s elapsed 4293434.8 GN/s 66500.52 raw GN/s pool 268/282 ~ETA 206.3s (60s 69269 raw)
[2026-08-24 17:24:47:654] - [GPU] 56.5% 806860800/~1428354300 roots 254.1s elapsed 4297422.1 GN/s 66648.12 raw GN/s pool 267/282 ~ETA 204.5s (60s 69442 raw)
[2026-08-24 17:24:49:656] - [GPU] 56.8% 812083200/~1429764003 roots 256.1s elapsed 4290251.6 GN/s 66629.00 raw GN/s pool 271/282 ~ETA 212.3s (60s 69938 raw)
[2026-08-24 17:24:51:658] - [GPU] 57.3% 818176000/~1428394621 roots 258.1s elapsed 4305750.5 GN/s 66796.77 raw GN/s pool 268/282 ~ETA 206.9s (60s 70401 raw)
[2026-08-24 17:24:53:660] - [GPU] 57.8% 824268800/~1425236566 roots 260.1s elapsed 4326950.1 GN/s 66975.50 raw GN/s pool 264/282 ~ETA 201.8s (60s 71566 raw)
[2026-08-24 17:24:55:662] - [GPU] 58.2% 831232000/~1428637553 roots 262.1s elapsed 4329237.6 GN/s 67224.10 raw GN/s pool 264/282 ~ETA 191.0s (60s 73508 raw)
[2026-08-24 17:24:57:664] - [GPU] 58.4% 834713600/~1428180280 roots 264.1s elapsed 4321490.0 GN/s 67162.94 raw GN/s pool 269/282 ~ETA 218.9s (60s 72440 raw)
[2026-08-24 17:24:59:666] - [GPU] 59.0% 839936000/~1424111721 roots 266.1s elapsed 4334025.5 GN/s 67239.96 raw GN/s pool 267/282 ~ETA 217.9s (60s 73433 raw)
[2026-08-24 17:25:01:668] - [GPU] 59.4% 846028800/~1423861108 roots 268.1s elapsed 4337695.9 GN/s 67365.71 raw GN/s pool 266/282 ~ETA 207.2s (60s 73701 raw)
[2026-08-24 17:25:03:669] - [GPU] 59.7% 850380800/~1423873248 roots 270.1s elapsed 4330994.6 GN/s 67320.37 raw GN/s pool 267/282 ~ETA 220.2s (60s 73914 raw)
[2026-08-24 17:25:05:671] - [GPU] 60.0% 853862400/~1422903574 roots 272.1s elapsed 4325490.1 GN/s 67205.96 raw GN/s pool 271/282 ~ETA 242.7s (60s 74478 raw)
[2026-08-24 17:25:07:573] - [GPU] 60.6% 859955200/~1418714724 roots 274.0s elapsed 4343169.8 GN/s 67365.23 raw GN/s pool 265/282 ~ETA 214.7s (60s 74976 raw)
[2026-08-24 17:25:09:575] - [GPU] 61.0% 866048000/~1418916415 roots 276.0s elapsed 4352623.9 GN/s 67555.03 raw GN/s pool 263/282 ~ETA 202.1s (60s 76359 raw)
[2026-08-24 17:25:11:576] - [GPU] 61.3% 868659200/~1417029280 roots 278.0s elapsed 4339555.6 GN/s 67339.56 raw GN/s pool 267/282 ~ETA 237.8s (60s 75281 raw)
[2026-08-24 17:25:13:578] - [GPU] 61.8% 873881600/~1415076375 roots 280.0s elapsed 4344793.2 GN/s 67445.84 raw GN/s pool 265/282 ~ETA 225.8s (60s 76273 raw)
[2026-08-24 17:25:15:580] - [GPU] 62.0% 878233600/~1415829868 roots 282.0s elapsed 4338618.0 GN/s 67407.16 raw GN/s pool 267/282 ~ETA 230.7s (60s 76583 raw)
[2026-08-24 17:25:17:582] - [GPU] 62.2% 880844800/~1416554894 roots 284.0s elapsed 4324533.8 GN/s 67263.34 raw GN/s pool 268/282 ~ETA 264.9s (60s 75750 raw)
[2026-08-24 17:25:19:584] - [GPU] 62.6% 886067200/~1415602056 roots 286.0s elapsed 4330076.7 GN/s 67341.50 raw GN/s pool 266/282 ~ETA 240.9s (60s 77168 raw)
[2026-08-24 17:25:21:586] - [GPU] 63.0% 890419200/~1413559820 roots 288.0s elapsed 4334845.5 GN/s 67383.79 raw GN/s pool 264/282 ~ETA 238.8s (60s 76141 raw)
[2026-08-24 17:25:23:588] - [GPU] 63.2% 893030400/~1412772221 roots 290.0s elapsed 4327557.8 GN/s 67287.89 raw GN/s pool 266/282 ~ETA 270.0s (60s 74782 raw)
[2026-08-24 17:25:25:590] - [GPU] 63.7% 898252800/~1410524464 roots 292.0s elapsed 4336811.2 GN/s 67420.57 raw GN/s pool 263/282 ~ETA 240.5s (60s 75101 raw)
[2026-08-24 17:25:27:592] - [GPU] 63.9% 901734400/~1410358071 roots 294.0s elapsed 4326731.1 GN/s 67320.45 raw GN/s pool 264/282 ~ETA 252.7s (60s 74480 raw)
[2026-08-24 17:25:29:594] - [GPU] 64.2% 905216000/~1408935215 roots 296.0s elapsed 4320294.5 GN/s 67206.70 raw GN/s pool 264/282 ~ETA 260.9s (60s 73126 raw)
[2026-08-24 17:25:31:597] - [GPU] 64.5% 908697600/~1409537981 roots 298.0s elapsed 4311920.8 GN/s 67130.16 raw GN/s pool 262/282 ~ETA 267.4s (60s 72767 raw)
[2026-08-24 17:25:33:598] - [GPU] 64.8% 912179200/~1406838151 roots 300.0s elapsed 4311568.4 GN/s 67057.86 raw GN/s pool 260/282 ~ETA 269.9s (60s 72701 raw)
[2026-08-24 17:25:35:603] - [GPU] 65.1% 914790400/~1405484400 roots 302.0s elapsed 4304487.7 GN/s 66905.32 raw GN/s pool 257/282 ~ETA 293.2s (60s 71303 raw)
[2026-08-24 17:25:37:605] - [GPU] 65.7% 920012800/~1401093587 roots 304.0s elapsed 4312993.5 GN/s 66931.63 raw GN/s pool 252/282 ~ETA 246.2s (60s 70437 raw)
[2026-08-24 17:25:39:606] - [GPU] 66.2% 926105600/~1398192442 roots 306.0s elapsed 4317772.6 GN/s 66947.91 raw GN/s pool 252/282 ~ETA 206.9s (60s 69837 raw)
[2026-08-24 17:25:41:608] - [GPU] 66.5% 929587200/~1396864584 roots 308.0s elapsed 4306322.9 GN/s 66798.42 raw GN/s pool 256/282 ~ETA 220.5s (60s 68999 raw)
[2026-08-24 17:25:43:610] - [GPU] 67.1% 936550400/~1395239907 roots 310.0s elapsed 4301606.1 GN/s 66773.21 raw GN/s pool 249/282 ~ETA 181.6s (60s 67883 raw)
[2026-08-24 17:25:45:612] - [GPU] 67.9% 943513600/~1390086742 roots 312.0s elapsed 4303704.0 GN/s 66681.51 raw GN/s pool 242/282 ~ETA 158.8s (60s 67442 raw)
[2026-08-24 17:25:47:614] - [GPU] 68.4% 950476800/~1389240799 roots 314.0s elapsed 4299698.6 GN/s 66670.67 raw GN/s pool 243/282 ~ETA 145.7s (60s 66766 raw)
[2026-08-24 17:25:49:615] - [GPU] 69.0% 957440000/~1387522358 roots 316.0s elapsed 4298609.1 GN/s 66659.86 raw GN/s pool 236/282 ~ETA 136.5s (60s 66792 raw)
[2026-08-24 17:25:51:617] - [GPU] 69.7% 963532800/~1382703027 roots 318.0s elapsed 4295787.4 GN/s 66485.31 raw GN/s pool 232/282 ~ETA 134.4s (60s 65145 raw)
[2026-08-24 17:25:53:619] - [GPU] 70.3% 969625600/~1379844416 roots 320.0s elapsed 4293914.5 GN/s 66468.10 raw GN/s pool 229/282 ~ETA 132.5s (60s 64267 raw)
[2026-08-24 17:25:55:621] - [GPU] 71.0% 975718400/~1374873090 roots 322.0s elapsed 4296834.2 GN/s 66407.35 raw GN/s pool 225/282 ~ETA 129.6s (60s 62837 raw)
[2026-08-24 17:25:57:623] - [GPU] 71.7% 983552000/~1372280629 roots 324.1s elapsed 4293579.3 GN/s 66411.99 raw GN/s pool 222/282 ~ETA 116.7s (60s 63104 raw)
[2026-08-24 17:25:59:624] - [GPU] 72.3% 988774400/~1366970976 roots 326.1s elapsed 4292679.5 GN/s 66336.83 raw GN/s pool 222/282 ~ETA 121.4s (60s 62329 raw)
[2026-08-24 17:26:00:936] - [sledger] checkpoint: 6691215 of 9417683 parent board(s) done (71.0%), running total 1496443371110771066, 226s (cut 100s ago, gpus never drained, 867322921 merge(s) credited late, 187728994 re-staged) -> /tmp/tlm-ledger/rnbqkbnr_pppppppp_8_8_8_8_PPPPPPPP_RNBQKBNR_w_KQkq_-_0_1_13.sledger
[2026-08-24 17:26:01:626] - [GPU] 73.8% 994867200/~1348732216 roots 328.1s elapsed 4324051.5 GN/s 66319.52 raw GN/s pool 240/282 ~ETA 114.4s (60s 61642 raw)
[2026-08-24 17:26:03:631] - [GPU] 74.5% 1000960000/~1343000063 roots 330.1s elapsed 4329329.1 GN/s 66297.04 raw GN/s pool 267/282 ~ETA 111.2s (60s 61687 raw)
[2026-08-24 17:26:03:880] - [sledger] feed: parked 1.1s, first post-cut unit ready 1.7s after the cut, pool 220 -> min 220 of 282, filler 15580878 roots (17.90 units), lanes starved +0.0s, producers ring-blocked +154.9s
[2026-08-24 17:26:05:636] - [GPU] 74.8% 1006182400/~1344516983 roots 332.1s elapsed 4319050.6 GN/s 66226.03 raw GN/s pool 263/282 ~ETA 115.3s (60s 61779 raw)
[2026-08-24 17:26:07:641] - [GPU] 74.9% 1011404800/~1349525921 roots 334.1s elapsed 4299424.0 GN/s 66177.84 raw GN/s pool 260/282 ~ETA 119.2s (60s 59632 raw)
[2026-08-24 17:26:09:643] - [GPU] 75.2% 1018368000/~1353652863 roots 336.1s elapsed 4288722.7 GN/s 66281.24 raw GN/s pool 256/282 ~ETA 110.7s (60s 61214 raw)
[2026-08-24 17:26:11:645] - [GPU] 75.5% 1025331200/~1357826502 roots 338.1s elapsed 4272022.5 GN/s 66318.86 raw GN/s pool 255/282 ~ETA 105.1s (60s 60884 raw)
[2026-08-24 17:26:13:647] - [GPU] 75.4% 1030553600/~1367351777 roots 340.1s elapsed 4230076.7 GN/s 66272.71 raw GN/s pool 254/282 ~ETA 112.4s (60s 60763 raw)
[2026-08-24 17:26:15:649] - [GPU] 75.4% 1036646400/~1373959137 roots 342.1s elapsed 4200744.0 GN/s 66273.28 raw GN/s pool 262/282 ~ETA 112.0s (60s 61431 raw)
[2026-08-24 17:26:17:651] - [GPU] 75.6% 1041868800/~1377612845 roots 344.1s elapsed 4176295.3 GN/s 66231.00 raw GN/s pool 268/282 ~ETA 116.2s (60s 60761 raw)
[2026-08-24 17:26:19:654] - [GPU] 76.0% 1047961600/~1378193673 roots 346.1s elapsed 4168171.1 GN/s 66289.36 raw GN/s pool 267/282 ~ETA 112.5s (60s 60861 raw)
[2026-08-24 17:26:21:656] - [GPU] 76.2% 1052313600/~1380233310 roots 348.1s elapsed 4150366.7 GN/s 66207.83 raw GN/s pool 270/282 ~ETA 121.1s (60s 60814 raw)
[2026-08-24 17:26:23:658] - [GPU] 76.4% 1057536000/~1383307420 roots 350.1s elapsed 4133676.0 GN/s 66200.70 raw GN/s pool 272/282 ~ETA 121.7s (60s 60066 raw)
[2026-08-24 17:26:25:663] - [GPU] 77.0% 1063628800/~1382194898 roots 352.1s elapsed 4134873.4 GN/s 66230.77 raw GN/s pool 269/282 ~ETA 114.4s (60s 60714 raw)
[2026-08-24 17:26:27:667] - [GPU] 77.4% 1070592000/~1382347045 roots 354.1s elapsed 4133509.4 GN/s 66299.91 raw GN/s pool 270/282 ~ETA 104.2s (60s 61678 raw)
[2026-08-24 17:26:29:670] - [GPU] 77.9% 1076684800/~1382264073 roots 356.1s elapsed 4130720.0 GN/s 66322.46 raw GN/s pool 270/282 ~ETA 101.6s (60s 62177 raw)
[2026-08-24 17:26:31:573] - [GPU] 78.3% 1081907200/~1382133776 roots 358.0s elapsed 4126811.8 GN/s 66309.59 raw GN/s pool 271/282 ~ETA 102.5s (60s 62232 raw)
[2026-08-24 17:26:33:578] - [GPU] 78.5% 1085388800/~1382133776 roots 360.0s elapsed 4118976.1 GN/s 66183.68 raw GN/s pool 267/282 ~ETA 115.4s (60s 61811 raw)
[2026-08-24 17:26:35:583] - [GPU] 78.9% 1090611200/~1382384996 roots 362.0s elapsed 4117747.7 GN/s 66191.68 raw GN/s pool 262/282 ~ETA 113.0s (60s 62598 raw)
[2026-08-24 17:26:37:587] - [GPU] 79.3% 1096704000/~1383093737 roots 364.0s elapsed 4117552.9 GN/s 66249.57 raw GN/s pool 257/282 ~ETA 105.4s (60s 62792 raw)
[2026-08-24 17:26:39:589] - [GPU] 79.4% 1100185600/~1385854475 roots 366.0s elapsed 4091088.1 GN/s 66108.52 raw GN/s pool 264/282 ~ETA 117.8s (60s 61826 raw)
[2026-08-24 17:26:41:593] - [GPU] 79.7% 1105408000/~1386094179 roots 368.0s elapsed 4089131.2 GN/s 66105.90 raw GN/s pool 260/282 ~ETA 113.2s (60s 62550 raw)
[2026-08-24 17:26:43:596] - [GPU] 80.1% 1110630400/~1386867162 roots 370.0s elapsed 4081400.2 GN/s 66085.79 raw GN/s pool 258/282 ~ETA 109.7s (60s 62533 raw)
[2026-08-24 17:26:45:599] - [GPU] 80.3% 1114982400/~1387760546 roots 372.0s elapsed 4067011.0 GN/s 66008.19 raw GN/s pool 261/282 ~ETA 113.0s (60s 62506 raw)
[2026-08-24 17:26:47:605] - [GPU] 80.7% 1120204800/~1387760546 roots 374.0s elapsed 4067683.6 GN/s 66019.11 raw GN/s pool 255/282 ~ETA 108.3s (60s 62608 raw)
[2026-08-24 17:26:49:609] - [GPU] 81.1% 1125427200/~1387760546 roots 376.0s elapsed 4068140.2 GN/s 66026.52 raw GN/s pool 249/282 ~ETA 104.5s (60s 62690 raw)
[2026-08-24 17:26:51:614] - [GPU] 81.3% 1128038400/~1387760546 roots 378.0s elapsed 4056932.9 GN/s 65844.62 raw GN/s pool 246/282 ~ETA 120.9s (60s 62448 raw)
[2026-08-24 17:26:53:616] - [GPU] 81.7% 1134131200/~1387760546 roots 380.0s elapsed 4058868.4 GN/s 65876.03 raw GN/s pool 239/282 ~ETA 104.9s (60s 62718 raw)
[2026-08-24 17:26:55:622] - [GPU] 82.0% 1138483200/~1387697178 roots 382.1s elapsed 4055030.1 GN/s 65831.00 raw GN/s pool 235/282 ~ETA 106.4s (60s 62585 raw)
[2026-08-24 17:26:57:626] - [GPU] 82.5% 1144576000/~1387697178 roots 384.1s elapsed 4058818.2 GN/s 65892.50 raw GN/s pool 228/282 ~ETA 95.3s (60s 63395 raw)
[2026-08-24 17:26:59:631] - [GPU] 82.8% 1148928000/~1387697178 roots 386.1s elapsed 4055040.8 GN/s 65831.18 raw GN/s pool 223/282 ~ETA 98.0s (60s 63069 raw)
[2026-08-24 17:27:01:635] - [GPU] 83.0% 1152409600/~1387697178 roots 388.1s elapsed 4048088.2 GN/s 65718.30 raw GN/s pool 219/282 ~ETA 105.6s (60s 62425 raw)
[2026-08-24 17:27:03:639] - [GPU] 83.4% 1157632000/~1387582282 roots 390.1s elapsed 4050756.5 GN/s 65777.52 raw GN/s pool 214/282 ~ETA 98.2s (60s 63210 raw)
[2026-08-24 17:27:05:643] - [GPU] 83.8% 1162854400/~1387582282 roots 392.1s elapsed 4050054.3 GN/s 65766.12 raw GN/s pool 209/282 ~ETA 92.9s (60s 63395 raw)
[2026-08-24 17:27:07:646] - [GPU] 84.1% 1166336000/~1387582282 roots 394.1s elapsed 4044846.0 GN/s 65681.54 raw GN/s pool 204/282 ~ETA 99.9s (60s 62207 raw)
[2026-08-24 17:27:09:651] - [GPU] 84.4% 1170688000/~1387582282 roots 396.1s elapsed 4040633.1 GN/s 65613.13 raw GN/s pool 199/282 ~ETA 98.5s (60s 61500 raw)
[2026-08-24 17:27:11:656] - [GPU] 84.7% 1175040000/~1387582282 roots 398.1s elapsed 4039642.9 GN/s 65597.05 raw GN/s pool 194/282 ~ETA 96.9s (60s 61636 raw)
[2026-08-24 17:27:13:662] - [GPU] 84.9% 1177651200/~1387582282 roots 400.1s elapsed 4032665.1 GN/s 65483.75 raw GN/s pool 191/282 ~ETA 109.0s (60s 60828 raw)
[2026-08-24 17:27:15:666] - [GPU] 85.3% 1183744000/~1387582282 roots 402.1s elapsed 4040278.4 GN/s 65607.37 raw GN/s pool 184/282 ~ETA 90.2s (60s 61909 raw)
[2026-08-24 17:27:17:670] - [GPU] 85.6% 1188096000/~1387365828 roots 404.1s elapsed 4039150.5 GN/s 65602.36 raw GN/s pool 180/282 ~ETA 89.2s (60s 61504 raw)
[2026-08-24 17:27:19:574] - [GPU] 85.9% 1191577600/~1386472251 roots 406.0s elapsed 4033541.5 GN/s 65543.53 raw GN/s pool 178/282 ~ETA 92.3s (60s 61236 raw)
[2026-08-24 17:27:21:576] - [GPU] 86.2% 1194188800/~1384576343 roots 408.0s elapsed 4021262.4 GN/s 65410.02 raw GN/s pool 181/282 ~ETA 101.8s (60s 60775 raw)
[2026-08-24 17:27:23:578] - [GPU] 86.6% 1198540800/1383270739 roots 410.0s elapsed 4022670.3 GN/s 65464.81 raw GN/s pool 181/213 ETA 94.2s (60s 61165 raw)
[2026-08-24 17:27:25:586] - [GPU] 86.8% 1200281600/1383270739 roots 412.0s elapsed 4010762.9 GN/s 65271.03 raw GN/s pool 179/211 ETA 112.1s (60s 59632 raw)
[2026-08-24 17:27:27:590] - [GPU] 87.1% 1205504000/1383270739 roots 414.0s elapsed 4017584.3 GN/s 65382.04 raw GN/s pool 173/205 ETA 92.4s (60s 59958 raw)
[2026-08-24 17:27:29:596] - [GPU] 87.3% 1208115200/1383270739 roots 416.0s elapsed 4011374.4 GN/s 65280.98 raw GN/s pool 170/202 ETA 100.8s (60s 59092 raw)
[2026-08-24 17:27:31:602] - [GPU] 87.7% 1213337600/1383270739 roots 418.0s elapsed 4014653.2 GN/s 65334.34 raw GN/s pool 164/196 ETA 85.1s (60s 60065 raw)
[2026-08-24 17:27:33:608] - [GPU] 88.0% 1216819200/1383270739 roots 420.0s elapsed 4007054.6 GN/s 65210.68 raw GN/s pool 160/192 ETA 86.7s (60s 59090 raw)
[2026-08-24 17:27:35:615] - [GPU] 88.3% 1221171200/1383270739 roots 422.0s elapsed 4003271.8 GN/s 65149.12 raw GN/s pool 155/187 ETA 81.3s (60s 58246 raw)
[2026-08-24 17:27:37:619] - [GPU] 88.6% 1225523200/1383270739 roots 424.0s elapsed 4003346.7 GN/s 65150.34 raw GN/s pool 150/182 ETA 77.1s (60s 59107 raw)
[2026-08-24 17:27:39:625] - [GPU] 88.9% 1229875200/1383270739 roots 426.1s elapsed 3998761.1 GN/s 65075.71 raw GN/s pool 145/177 ETA 73.6s (60s 58543 raw)
[2026-08-24 17:27:41:630] - [GPU] 89.3% 1235097600/1383270739 roots 428.1s elapsed 3995052.2 GN/s 65015.35 raw GN/s pool 139/171 ETA 66.1s (60s 58190 raw)
[2026-08-24 17:27:43:636] - [GPU] 89.5% 1237708800/1383270739 roots 430.1s elapsed 3986169.5 GN/s 64870.80 raw GN/s pool 136/168 ETA 74.3s (60s 57580 raw)
[2026-08-24 17:27:45:640] - [GPU] 90.0% 1244672000/1383270739 roots 432.1s elapsed 3991194.2 GN/s 64952.57 raw GN/s pool 128/160 ETA 57.4s (60s 58079 raw)
[2026-08-24 17:27:47:646] - [GPU] 90.4% 1250764800/1383270739 roots 434.1s elapsed 3991165.1 GN/s 64952.10 raw GN/s pool 121/153 ETA 51.0s (60s 57991 raw)
[2026-08-24 17:27:49:651] - [GPU] 90.7% 1255116800/1383270739 roots 436.1s elapsed 3985514.3 GN/s 64860.14 raw GN/s pool 116/148 ETA 51.9s (60s 58447 raw)
[2026-08-24 17:27:51:655] - [GPU] 91.1% 1260339200/1383270739 roots 438.1s elapsed 3987270.1 GN/s 64888.71 raw GN/s pool 110/142 ETA 48.9s (60s 58424 raw)
[2026-08-24 17:27:53:662] - [GPU] 91.4% 1264691200/1383270739 roots 440.1s elapsed 3986808.2 GN/s 64881.19 raw GN/s pool 105/137 ETA 49.2s (60s 58629 raw)
[2026-08-24 17:27:55:095] - [sledger] checkpoint: 8851393 of 9417683 parent board(s) done (94.0%), running total 1910372614869238245, 327s (cut 113s ago, gpus never drained, 1060483261 merge(s) credited late, 255897347 re-staged) -> /tmp/tlm-ledger/rnbqkbnr_pppppppp_8_8_8_8_PPPPPPPP_RNBQKBNR_w_KQkq_-_0_1_13.sledger
[2026-08-24 17:27:55:666] - [GPU] 91.7% 1268172800/1383270739 roots 442.1s elapsed 3981994.2 GN/s 64802.85 raw GN/s pool 101/133 ETA 52.1s (60s 57593 raw)
[2026-08-24 17:27:57:671] - [GPU] 92.1% 1274265600/1383270739 roots 444.1s elapsed 3993511.1 GN/s 64990.28 raw GN/s pool 94/126 ETA 44.4s (60s 59397 raw)
[2026-08-24 17:27:59:578] - [GPU] 92.4% 1277747200/1383270739 roots 446.0s elapsed 3989729.4 GN/s 64928.73 raw GN/s pool 90/122 ETA 46.5s (60s 59117 raw)
[2026-08-24 17:28:01:584] - [GPU] 92.7% 1282099200/1383270739 roots 448.0s elapsed 3992401.7 GN/s 64972.22 raw GN/s pool 85/117 ETA 45.2s (60s 60143 raw)
[2026-08-24 17:28:03:589] - [GPU] 93.1% 1287321600/1383270739 roots 450.0s elapsed 3996004.9 GN/s 65030.86 raw GN/s pool 79/111 ETA 40.9s (60s 60173 raw)
[2026-08-24 17:28:05:594] - [GPU] 93.6% 1295155200/1383270739 roots 452.0s elapsed 4004386.0 GN/s 65167.25 raw GN/s pool 70/102 ETA 31.3s (60s 61251 raw)
[2026-08-24 17:28:07:600] - [GPU] 94.1% 1302118400/1383270739 roots 454.0s elapsed 4004713.7 GN/s 65172.59 raw GN/s pool 62/94 ETA 26.9s (60s 61827 raw)
[2026-08-24 17:28:09:605] - [GPU] 94.6% 1309081600/1383270739 roots 456.0s elapsed 4006768.7 GN/s 65206.03 raw GN/s pool 54/86 ETA 23.5s (60s 62517 raw)
[2026-08-24 17:28:11:612] - [GPU] 95.0% 1314304000/1383270739 roots 458.0s elapsed 4001819.8 GN/s 65125.49 raw GN/s pool 48/80 ETA 23.1s (60s 61994 raw)
[2026-08-24 17:28:13:615] - [GPU] 95.7% 1323878400/1383270739 roots 460.0s elapsed 4007240.1 GN/s 65213.70 raw GN/s pool 37/69 ETA 16.9s (60s 63412 raw)
[2026-08-24 17:28:15:617] - [GPU] 96.1% 1329100800/1383270739 roots 462.0s elapsed 4000536.2 GN/s 65104.60 raw GN/s pool 31/63 ETA 16.7s (60s 61732 raw)
[2026-08-24 17:28:17:622] - [GPU] 96.5% 1334323200/1383270739 roots 464.1s elapsed 3998384.7 GN/s 65069.59 raw GN/s pool 26/57 ETA 16.0s (60s 61479 raw)
[2026-08-24 17:28:19:626] - [GPU] 97.0% 1342156800/1383270739 roots 466.1s elapsed 4000035.0 GN/s 65096.45 raw GN/s pool 16/48 ETA 12.4s (60s 62893 raw)
[2026-08-24 17:28:21:633] - [GPU] 97.2% 1343897600/1383270739 roots 468.1s elapsed 3990273.9 GN/s 64937.59 raw GN/s pool 14/46 ETA 15.3s (60s 61214 raw)
[2026-08-24 17:28:23:639] - [GPU] 97.5% 1348249600/1383270739 roots 470.1s elapsed 3992019.3 GN/s 64966.00 raw GN/s pool 9/41 ETA 14.3s (60s 62801 raw)
[2026-08-24 17:28:25:645] - [GPU] 97.7% 1350860800/1383270739 roots 472.1s elapsed 3986377.2 GN/s 64874.18 raw GN/s pool 6/38 ETA 15.4s (60s 61252 raw)
[2026-08-24 17:28:27:650] - [GPU] 97.9% 1354342400/1383270739 roots 474.1s elapsed 3984764.5 GN/s 64847.93 raw GN/s pool 2/34 ETA 14.5s (60s 61745 raw)
[2026-08-24 17:28:29:655] - [GPU] 98.1% 1356953600/1383270739 roots 476.1s elapsed 3979299.7 GN/s 64759.00 raw GN/s pool 0/31 ETA 14.7s (60s 60616 raw)
[2026-08-24 17:28:31:662] - [GPU] 98.3% 1359564800/1383270739 roots 478.1s elapsed 3973800.9 GN/s 64669.51 raw GN/s pool 0/28 ETA 14.4s (60s 60754 raw)
[2026-08-24 17:28:33:669] - [GPU] 98.5% 1363046400/1383270739 roots 480.1s elapsed 3972336.9 GN/s 64645.69 raw GN/s pool 0/24 ETA 12.1s (60s 60986 raw)
[2026-08-24 17:28:35:577] - [GPU] 98.7% 1365657600/1383270739 roots 482.0s elapsed 3967942.7 GN/s 64574.18 raw GN/s pool 0/21 ETA 11.1s (60s 60527 raw)
[2026-08-24 17:28:37:583] - [GPU] 99.0% 1370009600/1383270739 roots 484.0s elapsed 3969525.1 GN/s 64599.93 raw GN/s pool 0/16 ETA 7.5s (60s 60708 raw)
[2026-08-24 17:28:39:590] - [GPU] 99.2% 1371750400/1383270739 roots 486.0s elapsed 3960259.7 GN/s 64449.14 raw GN/s pool 0/14 ETA 7.7s (60s 59997 raw)
[2026-08-24 17:28:41:599] - [GPU] 99.4% 1374361600/1383270739 roots 488.0s elapsed 3955126.8 GN/s 64365.61 raw GN/s pool 0/11 ETA 6.2s (60s 59728 raw)
[2026-08-24 17:28:43:606] - [GPU] 99.6% 1377843200/1383270739 roots 490.0s elapsed 3954277.1 GN/s 64351.78 raw GN/s pool 0/7 ETA 3.6s (60s 60630 raw)
[2026-08-24 17:28:45:608] - [GPU] 99.8% 1380659539/1383270739 roots 492.0s elapsed 3951399.0 GN/s 64304.94 raw GN/s pool 0/3 ETA 1.8s (60s 59639 raw)
[2026-08-24 17:28:47:610] - [GPU] 100.0% 1383270739/1383270739 roots 494.0s elapsed 3948705.6 GN/s 64261.11 raw GN/s pool 0/1 ETA -- (60s 59259 raw)
[2026-08-24 17:28:48:405] - [sledger] checkpoint: 9417683 of 9417683 parent board(s) done (100.0%), running total 1981066775000396239, 492s (cut 1s ago, gpus never drained, 1060483261 merge(s) credited late, 255897347 re-staged) -> /tmp/tlm-ledger/rnbqkbnr_pppppppp_8_8_8_8_PPPPPPPP_RNBQKBNR_w_KQkq_-_0_1_13.sledger
[2026-08-24 17:28:48:412] - [POLICY] evict=1 staged=1383270739 passes=0 evictions=0 load=988155008/3418615808 (28.9%) merged=80.1% table=109.40GB
[2026-08-24 17:28:48:412] - [HOST] dedup 6955814766 occurrences -> 1383270739 staged roots (80.1% merged in the host table, 0 pass-through(s), table 109.4 GB)
[2026-08-24 17:28:48:412] - [HOST] 139218384 filler root(s) (10.06% of staged) padded the producers' last reserve ranges - all the same board at weight 0, so they TT-hit at the root and never enter the fold
[2026-08-24 17:28:48:412] - [PERF WARNING] [HOST] the gpu waited on an EMPTY unit pool 8 time(s), 0.22s total mid-stream - the cpu cannot generate positions fast enough. More producer threads or a shallower frontier would help. (Another 0.00s on the final 8 unit(s) is the drain tail - fewer units than gpus - and not counted.)
[2026-08-24 17:28:48:425] - dedup tree (host roots):
[2026-08-24 17:28:48:425] - |- ply 1: 20 unique 20 nodes 1.00x dedup
[2026-08-24 17:28:48:425] - |- ply 2: 400 unique 400 nodes 1.00x dedup
[2026-08-24 17:28:48:425] - |- ply 3: 5362 unique 8902 nodes 1.66x dedup
[2026-08-24 17:28:48:425] - |- ply 4: 72078 unique 197281 nodes 2.74x dedup
[2026-08-24 17:28:48:425] - |- ply 5: 822518 unique 4865609 nodes 5.92x dedup
[2026-08-24 17:28:48:425] - |- ply 6: 9417683 unique 119060324 nodes 12.64x dedup
[2026-08-24 17:28:48:425] - |- ply 7: fused 3195901860 nodes (streamed without materializing)
[2026-08-24 17:28:48:425] - \- ply 8: 1383270739 staged 84998978956 nodes 61.45x dedup (streamed)
[2026-08-24 17:28:48:425] - [HOST] depth 8, 1383270739 roots streamed (host-table dedup, gpu per-root totals x weights folded exact), 503.2s wall (491.5s gpu)
[2026-08-24 17:28:48:426] - Perft 1 20
[2026-08-24 17:28:48:426] - Perft 2 400
[2026-08-24 17:28:48:426] - Perft 3 8902
[2026-08-24 17:28:48:426] - Perft 4 197281
[2026-08-24 17:28:48:426] - Perft 5 4865609
[2026-08-24 17:28:48:426] - Perft 6 119060324
[2026-08-24 17:28:48:426] - Perft 7 3195901860
[2026-08-24 17:28:48:426] - Perft 8 84998978956
[2026-08-24 17:28:48:426] - Perft 13 1981066775000396239 491524.6ms 4030452.930 GNodes/s
[2026-08-24 17:28:48:426] - target perft(13): 491.525 s (cleared tt)
[2026-08-24 17:28:48:513] - [serve] vram free 503 MB
[2026-08-24 17:28:48:513] - OK 1981066775000396239
worker loop finished -- GPU mutex released