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Counter ASIC 2.0 status 21:41: the era draw's Mac spread 0.8%, the final package, the merges

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igneum-labs 2026-10-05 21:41:42 +00:00
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docs/plans/counter-asic-2-status.md
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@ -406,3 +406,7 @@ M5 Max, one core, measure lock, 21:40:12 to 21:40:23 UTC, on a loaded box (load
| x8 (genesis; devnet pack 2.972) | 2.785 / 2.790 | 2.942 | 2.1x |
256 MiB cache fill on one core 172 to 175 ms. Metal 1 GiB build, GPU time: v2 21.0 ms (29.7 cold), x4 20.9 / 21.0, x8 21.9 / 21.9: the Mac's build is bound by the 8 dependent cache-line reads per item, not the arithmetic, so the "under 1 s on every discrete card" half of the rule is decided by the 5090 and 9070 XT rows of the mixer PC job (by the M16 arithmetic the 5090 is 54 ms at x4 and 107 ms at x8 if arithmetic-bound, 13.4 ms if latency-bound: far under 1 s either way). Verifier half: x8 passes with 7.1 ms of the 10 ms gate to spare on the loaded core (about 1.3 ms on a quiet core, approximate); x4 leaves 8.0 ms. Chip row at x8: 1,198,080 ops per hash, 41.7 MH/s, 0.31x bare, 0.92x with the 3x factor, 0.76x at equal silicon; x4 1.84x / 1.53x. C19 at these loaded figures: shares per core per second 735 / 511 / 358 (v2 / x4 / x8), a 22,000-member pool at one share per 10 s needs 3.0 / 4.3 / 6.1 cores; IBD over 108,000 headers on one core 2.4 / 3.5 / 5.0 min. Provisional choice under the rule: x8, confirmed when the PC build rows land (about 22:10).
## 21:41 the era draw passes the 5% rule on the Mac; the final era package; the merges for G4 run 2
ca2-era 9f98af2 (one commit on ca2-v3 HEAD; 48 lib + 17 integration tests; the pinned v2 packs byte-identical; mx4-genesis unchanged; mx4-devnet-epoch0 re-exported with the era inside the class). V3_CLASS = LoadClass { era: None, ..LoadClass::MX4 }; the era class is drawn inside generate_from_seed_bytes_program_class from the era bytes; chain_dataset_day and Epoch::dataset_word compose unchanged; an era program takes 11 draws per instruction. Mac (M5 Max, 21:38Z, Metal packbench 5 x 2^24, a loaded box): v2 27.68 MH/s; era-0 to era-5 28.58, 28.48, 28.35, 28.38, 28.49, 28.48: min 28.35, median 28.48, max 28.58, SPREAD 0.8% (under the 5% rule); 3/3 vectors and the in-batch vectors PASS on every pack; CPU verify 1.319 to 1.345 ms per warp against v2 1.334 in the same loaded run (quiet re-run owed). FINAL PC 1 package: ~/Desktop/igneum-ca2-era-pc1.zip sha256 f79c0607bb4187e3cf16fce3f533e7d525673d766d7edb799f27fd81af5dcee1 (workers 0fbfd50a... and 8c8caff7... from the merged tree; packs re-exported, attempt 0, program id 73bcbfe8ccf988f1 in all six with the era seed beside it); fetch-ca2-era-20261005; ca2-era-pc1.ps1. The 0.3.10 update-now reached every machine at 21:39:59Z (manifest live 21:33Z); the era job starts on PC 1's 0.3.10 STATUS line. The node agent merges 9f98af2 then ca2-cache 2de19e5 into ca2-v3 for G4 run 2 and the suites' tip.