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Consequences ledger: C25 closed (Ember Tune 5d7ced9)

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Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
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igneum-labs 2026-10-05 21:31:24 +00:00
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docs/plans/consequences-2026-10-05.md
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@ -46,4 +46,4 @@ Sweep 5 (21:08 Mac clock) notes: the coordinator applied the public proving line
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| C23 | Mixer x4 or x8: the 5090's daily dataset build 13.4 ms at x1 (54 ms at x4, about 107 ms at x8); the integrated gfx1036 builds the dataset per PREPARE, 7 to 12 s at x1 and 55 to 124 s under CPU load (epoch-length.md section 7); the x8 rule: "the daily build under 1 s on every card we own" | status 21:25 and 21:27; epoch-length.md section 7 | integrated GPUs (the iGPU tier), 8 GB cards (about a tenth of a 5090's rate), rigs with one weak card | The x8 rule names "every card we own": the gfx1036 is one, and at x8 its per-prepare build is 56 to 96 s per epoch (7 to 16 min under load), so it misses every epoch boundary and falls to the exit-42 path; at x4 it is 28 to 48 s per hour (0.8 to 1.3%) or 4 to 8 min under load. An 8 GB discrete card scales at about a tenth of the 5090: about 1 s at x8, on the rule's edge. The per-day dataset reuse in the worker (owed in epoch-length.md section 9) is what makes the mixer cheap for the iGPU tier; without it the mixer multiplies a per-epoch cost | The mixer decision names the gfx1036 and an 8 GB-class scaled row beside the 5090, M5 Max and 9070 XT in the "under 1 s" check, and the per-day dataset reuse in the worker lands before (or with) class v3, or the iGPU tier is stated as "mines v3 with a restart per epoch" on the level 3 page | ca2-mixer af345b1e2c541ffbb; coordinator | taken (coordinator: the x8 table carries the gfx1036 row and a scaled 8 GB-class row; the under-1-s rule applies to the discrete cards' daily build; for the integrated tier either the per-day dataset reuse in the three workers lands with class v3, asked of the mixer and node agents as a bounded change tonight, or the level 3 page says the iGPU tier mines v3 with a restart per epoch; recorded with the x4/x8 choice) |
| C24 | Two PowerShell job scripts lost a quote inside an inline bash body tonight: amd-prove's awk program (cpu-prove-pc1-small, exit 0 with nothing proved) and the 0.3.10 installer's `bash -c` string (fb-installer-pc1-3, exit 2 in 4 s); amd-prove added `tools/amd-prove/check-job-bash.sh` (bash -n on its own scripts' bash bodies) | amd-proving.md section 2; status 21:28 | every PC job; the morning's rollouts | The class (CLAUDE.md, 5 October: fix the class the same day, add a check that fails when the shape comes back) is "a bash body inside a PowerShell job string"; the check exists for one agent's scripts and did not cover the shipper's, which failed the same way an hour later | A repo-wide CI check: every `.ps1` under relay/playbooks and tools that carries a bash body (`wsl ... bash -c`, `bash -lc`, here-strings fed to bash) has that body extracted and passed through `bash -n`; the shipper's rule (the WSL part as a file run with `bash <file>`) written in packaging/README-ship.md as the convention | sub-agent (bounded, no owner); coordinator told | in work (sub-agent bash-body-check; the coordinator: no collision with PC 1, the shipper moved its WSL part to a file for attempt 4, the repro agent added a PowerShell 5.1 parse gate for bench/; the check fails on an unextractable body rather than skipping it) |
| C25 | Ember Tune: the signed manifest carries per-card-model tuning priors (power limit and core clock) that a new card applies and confirms in two steps; K1 signs it | ember-tune.md sections 4 and 5; bench-log Ember Tune entry | every NVIDIA and AMD card on the app; the keys | The manifest now sets clocks and power limits on every user's card, so the signing key's blast radius grew: a signed prior can underclock the fleet or push a card model to its power ceiling. The plan's clamps (inside power.min_limit / max_limit and clocks.max.gr, the confirm step, a faulted step reverted) are the bound; keys.md's "what K1 signs" table (ota-k2 00fcbb5) predates the priors and does not list them | ember-tune.md section 5 states the bound in one line (a prior can never set a value outside the card's own reported limits, and never a memory clock), with the test that proves it; keys.md's table gains the tuning priors under K1 with that bound | Ember Tune a855dcc4bd05e0615; OTA key agent (the table row) | sent |
| C25 | Ember Tune: the signed manifest carries per-card-model tuning priors (power limit and core clock) that a new card applies and confirms in two steps; K1 signs it | ember-tune.md sections 4 and 5; bench-log Ember Tune entry | every NVIDIA and AMD card on the app; the keys | The manifest now sets clocks and power limits on every user's card, so the signing key's blast radius grew: a signed prior can underclock the fleet or push a card model to its power ceiling. The plan's clamps (inside power.min_limit / max_limit and clocks.max.gr, the confirm step, a faulted step reverted) are the bound; keys.md's "what K1 signs" table (ota-k2 00fcbb5) predates the priors and does not list them | ember-tune.md section 5 states the bound in one line (a prior can never set a value outside the card's own reported limits, and never a memory clock), with the test that proves it; keys.md's table gains the tuning priors under K1 with that bound | Ember Tune a855dcc4bd05e0615; OTA key agent (the table row) | closed (Ember Tune 5d7ced9: the rule as a row in section 5 with the two tests named, a prior of 9,000 MHz at 30% clamps to 3,090 MHz at 50%, a bad prior costs one confirm step per card; the OTA agent has the keys.md note: tuning priors and the kill switch under K1 with that bound) |