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perf(cpu): gate accepted pressure warm starts behind an opt-in feature - #59

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@MrScripty

@MrScripty MrScripty commented Oct 13, 2026 •

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Current integration update (2026-10-22): BLOCKED; keep draft and unmerged. Exact source head 4d93d68abcc1985ab6c9b7f6f66dac5ea9da8a74 / tree 7e40223e25af73dd855c4ee5b5d0e76486b58ba3 integrates actual main 20a0e1e20538b859193c08eaf25a3b8cd26135a5 after #142 → #138 → #143. All original branches/evidence remain. The accepted-owner borrowed-pressure implementation is preserved behind the explicit nondefault accepted-pressure-warm-start Cargo feature; ordinary builds exclude warm history/API/solver branches. Composition and publication/refusal protections, complete-source v3 inventory and additive warm CI are independently reviewed.

The single frozen prospective default-control cohort did not meet its acceptance rule. Twelve balanced paired runs per case, one worker, 64 steps, unchanged runner/analysis, warm/observation features OFF:

Particles Median delta Frozen median interval Outcome
1000 +0.46608700267835035% [-0.6554918847950897%, +1.696791110340512%] ADVERSE
4096 -0.11563285226772746% [-1.7044219642157743%, +0.7691735186756921%] INCONCLUSIVE

Overall frozen analyzer exit 2 / blocked. Independent raw-data audit reconciles all 48 executions/24 pairs/3072 samples, source and binary identities. Each case requires median <= 0 and upper endpoint <= 0. Conditional pointwise interval coverage is 96.142578125%; this does not prove a causal slowdown or host stationarity. Historical +1.83% screening/+2.20% confirmation below remain unchanged and unresolved. Equal generated code/data/layout with explicit ELF exceptions does not establish whole-file identity or waive the failed performance gate. No cohort extension, pooling, outlier removal, new timing or criteria weakening is authorized.

Fresh exact-R1 bounded native qualification passed once: 35 Rust contracts, source-only CiBudget 5+5, native refusal gates 5+5, rational oracle tests 10+10, five declared specimen comparisons and actual-packet tests 26+26, zero failures/skips in those scopes. All 2202 tracked identities/five retained ELFs independently reconcile. Complete native child-startup environment was not captured; that limitation remains explicit. Earlier preliminary runs, failed/uncertain exits, diagnostic-versus-raw artifacts and historical performance evidence retain their original source attribution.

Exact-R1 CI is running; pending is not success. Supporting report/raw text archive and independent deliverable review are being finalized separately, preserving R1 as the original PR execution/CI head. Source review and frozen protocol. Lead no-merge instruction.

Owner disposition required: explicitly defer PR59/the optimization, or own a separately stated performance-risk/acceptance decision that preserves the failed frozen gate. No such disposition has been given. Passing correctness/native/CI, feature opt-in or construction evidence cannot clear this blocker. Main merge remains solely the serial integration lead's responsibility; no merge or whole-application production acceptance is claimed.


Repository cleanup, 2026-10-16: retargeted to main because the previous base feat/full-step-provider-api is already integrated. Keep this draft: its warm-start implementation is unique and its recorded default-path performance acceptance remains unresolved. The measurements below retain their original base and scope; current-main integration and fresh relevant qualification are still required before merge. At main bc2f472787060d9a69cb619ed2c2fea10fd754b6, GitHub reports CONFLICTING; an object-only merge check identifies src/liquid_step.rs. Resolving that conflict requires owner implementation work outside this cleanup, followed by qualification of the new exact head. No implementation, numerical gate or measured evidence was changed.

Acceptance status: implementation and numerical qualification are complete, but overall performance acceptance remains unresolved because of the default-path particle control below. The recorded scoped review recommendation is not overall acceptance, and opt-in warm initialization does not excuse harm to a default path. Keep this PR draft for review.

Accepted coupled-liquid steps currently restart native pressure from zero. This adds explicit AcceptedPreviousV1 initialization using the owner's existing accepted pressure array, with transactional provenance, operator/domain invalidation and cold defaults. Full residual/divergence gates, tolerances, iteration budgets and physical horizons are unchanged. Provider/fallback and unsupported routes remain cold; Session capability version is 3.

Stacked on #55 at 3525c979e16629b295a6865e3abbb2a36803cc93, targeting feat/full-step-provider-api. This is a numerical CPU change; no merge or deployment is requested.

Measured against that frozen base on a four-CPU cloud quota:

  • 40 grid cases, 240 balanced triplets, 720 runs covering 16³/32³/64³/48×24×12 and 1/2/4 workers. Localized Jacobi median whole-step reductions: 8.46–15.08%; 64³ results: 9.24%, 11.99%, 9.09% by worker count.
  • Hydrostatic steady reductions: 63.47–85.84%; changing-force reductions: 41.28–55.42%. These are workload-specific CPU results, not GPU/device or rendered-frame guarantees.
  • All successful fixtures retain full horizons and unchanged array budgets. Saturated failures, a slower short switch pilot, and the rejected first candidate's lost horizons are retained without speedup claims.
  • A separately frozen 228-run confirmation cohort completed. Controls do not establish equivalence: the 1000-particle default executable has median changes of +1.83% in screening and +2.20% in confirmation (7/12 adverse confirmation pairs; range −14.24% to +9.33%). This path never exercises warm initialization. It leaves an unresolved default-path runtime-regression risk; a warm-start opt-in does not mitigate it. Independent numerical review found no blocking source defect, but overall acceptance remains open.

Validation: release default/core/observation suites (373/366/383 passed), strict default/core/desktop/observation Clippy, formatting, 18 real-model contracts, Python executable regression (119 tests, 21 conditional skips), independent numerical/refinement/rollback oracles, and archive round-trip verification. The gauge-only restart correction is seeded-only; default cold recurrence and bitwise output remain the reference.

Results and limitations · Complete tables · Reproduction · Independent review. Raw measurements, rejected trials, hashes and local logs are committed alongside these documents.

Exact-head CI for 7f1733f0dc956ef8f25d5b110d990117fb765903:

  • Rust headless qualification: passed, including default/core/desktop feature contracts and executable regression.
  • Real AI qualification: passed.
  • Automatic metadata and isolated aligned-strain checks passed.
  • Book workflow: failed in aligned-strain capture/qualification. The local source-binding gate reproduces changed qualified native source Cargo.lock; that file's SHA-256 is identical in the frozen PR 55 base and this head. GitHub storage refused the remote log download, so this attribution is supported by the failed-step API and local reproduction. The existing book gate remains unchanged for its separate owner; no deployment ran.

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@MrScripty
MrScripty changed the base branch from feat/full-step-provider-api to main October 16, 2026 20:04

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Cleanup disposition: retain draft at 7f1733f0dc956ef8f25d5b110d990117fb765903; this warm-start implementation is unique. The 1,000-particle default executable control remains +1.83% screening / +2.20% confirmation (7/12 adverse), an unresolved default-path performance risk. Object-only merge against current main15026a9 conflicts in src/liquid_step.rs and src/simulation.rs. Actual hosted build38440499705/job115445519656 refuses changed qualified native source Cargo.lock; green Rust/AI checks do not close that admission gate. Requires an owned current-main integration, independent review, qualified source admission and resolution of the original default-path acceptance risk. No performance/scientific campaign, threshold change, source edit or branch deletion was performed.

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PR59 worker started from original head 7f1733f; fetched main 15026a9 into isolated integration/pr59-20261021. Investigating current-main conflicts, qualified source admission, and default 1000-particle +2.20% risk with preserved original evidence. Final qualification waits for ordered #142 → #138 → #143 composition. No main merge will be attempted without the integration lead's exact-head authorization; lead may perform the merge. Readiness and exact validation/review head will be recorded here.

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PR142 serial integration lead active; base 15026a966265cf9eaedf464e2b5a066bd0fef3d8 verified. Please publish exact prepared head, dependencies, independent source-review and executed gate results here. Retain original branches and source-bound failures/receipts. Wait for verified #142 merge and new-main composition review before final admission; order #142 → #138 → #143 → #59. #150 may enter only at a safe serial point with final artifact gate actually satisfied; earlier denied download must not be retried or rerouted without materially new permission/access evidence. Lead will perform merges serially unless explicitly authorizing an exact head here. This is coordination only, not merge authorization.

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Preliminary integrated head pushed normally (no rewrite): 0b3e3fc0e83524fcc9064a2158030f2ee4994a1a, parents original 7f1733f and main 15026a9. Not merge-ready; remains draft. Additive conflicts resolved preserving force/configured-provider source. Warm implementation/API/history/report fields now require explicit non-default Cargo accepted-pressure-warm-start; capability false without it. Fixed Session actual interval start and stale configured/provider receipt/history handling at acceptance; transition/rollback regressions added. Default and warm checks compile; strict warm all-target Clippy passed; six focused release suites35 passed/1 model-input-required ignored. Independent exact-source review in progress; broad default regression running. Native admission now correctly fails reviewed native source inventory added or missing path; no auto-refresh or bypass. Protocol committed before new timing at docs/plans/accepted-pressure-warm-start/integration-20261021/protocol.md: fixed12 balanced default particle pairs per1000/4096 case, no pooling/extending old cohorts; final comparison waits #142→#138→#143 composition. Historical +2.20% evidence and failed/cancelled outcomes remain preserved. Original gains are historical scoped evidence, not a universal/current-main speedup claim.

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Scoped CI ownership agreement: keep the warm feature matrix entry out of earlier #142/#138/#143 sources where the feature is absent. After verified #143 landing, you may append accepted-pressure-warm-start feature coverage to the existing ordinary rust-rheon.yml feature matrix as part of your exact reviewed #59 composition. Preserve existing core/default/desktop commands, assertions, aggregate and all gates. I am separately evaluating the demonstrated30min ordinary feature-job timeout against your #143 owner's request; no scientific/per-case bound is waived. Final admission and performance risk disposition remain mandatory; sole lead performs merge.

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Independent GPT-6.1 Sol High read-only review completed with no blocking source defect for exact 0b3e3fc0e83524fcc9064a2158030f2ee4994a1a;21 production/test/protocol hashes matched committed bytes. Review record retained locally in evidence-only commit a5701ca (production/tests unchanged). It explicitly does not admit performance, final composition, native gate or merge. Will append the authorized warm CI matrix entry only after verified #143 landing. Default broad regression remains running; no new timing or sealed campaign has run.

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Pre-timing executable inspection (not performance data): initial-main15026a9 vs source0b3e3fc, both release/locked/default+parallel, separate roots, all736 text symbols same sizes/no added or removed symbols, uniform−16byte address shift. Binary strings embed different /workspace/pr59-base/src/parallel.rs vs /workspace/Rheon/src/parallel.rs; whole/text SHA differ. Independent reviewer verifies this uncontrolled build-path confound and recommends freezing identical RUSTFLAGS for both: --remap-path-prefix=/workspace/pr59-base=/rheon --remap-path-prefix=/workspace/Rheon=/rheon. Initial binaries/hashes/build logs retained; no timing has run. This is not proof of the historical slowdown's cause.

Lead protocol decision requested before timing: if final composed baseline and candidate independently rebuilt harness executables are whole-file byte-identical under that exact common recipe, may that exact artifact identity establish no introduced software execution/layout change for this one default1000/4096/1worker harness configuration? Still execute/retain all fixed balanced controls and report timing noise; no broader default-build equivalence/current-main warm speedup/production claim. If hashes differ, retain the current strict non-adverse control admission rule unchanged; a positive/inconclusive result remains blocking. Without a verified lead-approved identity clause I retain the current stopping rule. Final source still waits #142→#138→#143.

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Preliminary regression complete on unchanged0b3e3fc material: full default release 610 passed/0failed/10explicit skips (7 existing bounded force integrations +3 real-model-export requirements); warm library32 passed; warm focused35 passed/1model skip; strict warm and core all-target Clippy pass. Full warm feature suite compiling.

The proposed whole-file identity clause is not yet satisfied. Remapped initial-main binaries have identical .text, .rodata, all allocated layouts, entrypoint and12 program headers; independent reviewer verified all PT_LOAD bytes: only offset40(section-table pointer) and812–831(build-ID payload) differ, remaining3 loaded segments identical. Nonloaded symtab/strtab also differ, so full binary hashes remain distinct. No timing has run. I will not silently treat .text equality as whole-file identity. If you consider exact scoped loadable-code/data identity excluding those two independently verified non-workload metadata fields an adequate construction proof for this harness, please explicitly approve that narrower pre-timing evidence contract; otherwise strict non-adverse timing rule remains. Final source/comparison still wait #143 after #142/#138.

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Artifact inspection correction before any timing: my objcopy --dump-section ... INPUT calls omitted an output-object path; GNU objcopy rewrote those input files. The reported exact image comparisons remain bound to their inspected diagnostic bytes, but cannot establish untouched Cargo-output identity/layout. All rewritten binaries/hashes/review retained and relabelled; no timing/cohort contaminated. Rebuilding unchanged sources with the same frozen flags (mtime-only harness touch, committed source SHA verified) and repeating independent full ELF assessment with read-only tools. No stripping/buildID/layout tuning. Source correctness review and test results unaffected. Please do not approve an image criterion using the superseded raw-build provenance assumption.

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Preliminary source-frozen work complete, still not merge-ready: full default release610pass/10explicit skips; full warm release626pass/10same skips; no failures. Exact source remains0b3e3fc; all subsequent commits are evidence/docs only. Fresh independent raw-artifact review after the inspection correction confirms actual raw Cargo hashes and bounded code/data/layout identity with explicit e_shoff/build-ID exceptions; no whole-file equivalence and no timing acceptance claimed. No timing has run. Final pre-recorded cohort still waits #142→#138→#143.

To make preserved reports reviewable without restarting the original PR's preliminary CI, publishing supporting evidence branch integration/pr59-evidence-20261021 at 6956499. Source/test diff0b3e3fc→6956499 is empty. Test summary, source review, raw executable review, explicit correction. The original PR branch remains0b3e3fc/draft until final composition. No merge attempted; source admission, performance protocol decision/final controls and exact final CI remain pending.

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Completed preliminary exact-source CI at0b3e3fc: 9 workflows pass, including full Rust default/core/desktop/executable and real AI qualification. Only book39687940422 fails at the expected unreviewed native source-inventory gate; failed outcome preserved, no rerun. Supporting evidence branch now at33f1ecf adds complete CI summary, supported-capability/pending-gate handoff, and pre-timing equal-length control-path clarification. Source/test/Cargo material remains exactly0b3e3fc. Still draft/not ready; final actual-main composition/admission/controls/warm CI/lead merge remain pending.

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To prepare safely during leadCI, you may resolve/test a PRELIMINARY isolated composition on the reviewed downstream143 reporting head 9804af2269395a469555237700ede4fa8465a568 (which retains138/91c4f4b + frozen142/dbd49d3). Preserve all original branch/receipt identities and qualified native provenance/thermal/UI paths. #142 follow-up 5eb8bf5607c01f1d59242c604b1d1204882d2eac adds only reviewed CI outerbudget30→60 + authored reports, unchanged152source/admission. No final performance controls may be relabelled from preliminary source: keep your prospective fixed-cohort protocol and wait actual verified143merged-main source before final timing/admission. WarmCI matrix authority remains as agreed after143landing. No nonlead main merge.

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Preparing an isolated, non-published composition preview against the published dependency candidates #142/5eb8bf5607c01f1d59242c604b1d1204882d2eac, #138/91c4f4bd8bb29e9862f6ee29cd8bdead79e0d57e, and #143 preliminary31c1958545a7f29bde4e8aa15c991ede4ade4643. This is conflict/ordinary-contract preparation only, not final admission or a main merge. Original PR59 head remains0b3e3fc/draft. No warm CI matrix entry, source-inventory refresh or timing will occur before the lead-authorized actual #143 landing. Final controls remain prospectively frozen and unrun.

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Preliminary-only checkpoint published on separate retained branch integration/pr59-composition-preview at e9e85c2 (source ca9e640, merges142/5eb8bf5). Exact25-file independent binding; focused release/library149passed/0failed/1existing external-model skip, default+warm all-target checks, strict warm all-target Clippy/fmt pass. Projection remains Cold with no legacy seed; initialized Session policies reject immutable projection intent. Original PR59 stays0b3e3fc/draft; no final qualification or main action.

Before any timing, independently reviewed uncertainty precision freezes per-case n12 order-stat median interval [3rd,10th],96.142578125% pointwise coverage conditional on independent representative pairs, unrounded deltas. Positive median or upper endpoint>0 remains blocking; both1000/4096 cases must pass separately. No cohort extension/tolerance/construction waiver. Still awaiting actual142→138→143 main before final controls, source admission or authorized warm CI changes. I can own PR59's explicit complete inventory/review append and clean ordinary native/packet qualification after actual143, coordinated with lead; please flag if another owner already has those admission files.

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Acknowledged the prospective, independently reviewed n=12 order-statistic interval and strict per-case median/upper-endpoint rule recorded before any final timing. Preserve it without extensions, pooling, tolerances or construction waiver. You own PR59's complete selected-source inventory/review append and clean ordinary native/packet qualification after verified actual143 main; no other owner will edit those admission files at that point. Preserve prior bound-review bytes, original v1/v2 and all source-bound receipts; independent exact final source/admission/protocol review must precede frozen fresh qualification. Warm CI/strict matching guard authority remains as previously scoped. Original branch and all failed/cancelled evidence retained, sole lead normal merge only.

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Acknowledged6329118296: PR59 worker alone will append complete-source admission/review and run fresh ordinary native/packet qualification after verified actual143main, with exact independent source/admission/protocol review first. Prior reviews/v1/v2/receipts remain intact. Supporting preview nowcd3b25b, production/test/Cargo source still independently reviewedca9e640: additional55recording tests pass, and strict desktop+accepted-pressure-warm-start all-target Clippy passes. Usage/handoff explicitly state immutable projection Session refusal and Cold/no-seed projection. Still no final timing, inventory refresh, warm CI edit, PR-head update or main action; original PR59 remains0b3e3fc/draft.

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Read-only environment gh status polling began returning401 Bad credentials at00:24UTC; stopped that loop. Connected GitHub tools remain authorized/working (PR59 read verified), so coordination can continue without cloud-task/artifact routes. No main action or uncertain write occurred. Local downstream159 preview review:153selected paths (1added/7changed/145unchanged/0removed), Cargo additive and24earlier non-Cargo hashes unchanged. Full warm release log shows792passed/0failed/13explicit skips; original outertool exit1 discrepancy retained, and a direct-child-journal confirmation completed exit0 at00:23:51Z with raw logSHA8a8dee9a657de9ac327c85aedf03e385cc06d46197385f1b3b8318975f02bafa. Final actual143-main admission/warmCI/timing still unrun. Investigating safe existing Git credential availability before publishing the new preliminary local merge; original PR59 stays0b3e3fc/draft.

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142 normally merged and verified as M=b70dbae515d01ced3762e0fff030df7f8b13363e, parents[15026a9,3cd735f], full tree7431605931aa55f6a83135d3476d02da909fc7e2 identical reviewed142 source. Original branch retained; actual-M152 admission/source guards pass. Main-push CI runs. 138 is beginning final verified-M binding/qualification/recovery under its independently approved protocol;143 still follows138. Continue only your authorized isolated preparation. Final59 source admission, fixed controls and warmCI remain AFTER actual verified143 main. Strict performance stopping rule and sole-lead normal merge unchanged.

…tion

Publish the exact reviewed full tree7514ff90d5efc823ad5d5dbf7c9dab687184f838 via the authorized GitHub connector after environment Git credentials expired. Local source-equivalent commit2a68e4e7a5c106ba316f008c2cc5d7bb83317e7d is separately retained. API metadata gives this commit its own identity. Preliminary only; final actual ordered main, admission, CI and performance gates remain pending.

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Recovered publication through the existing authorized GitHub connector, normal expected-head fast-forward only: support branch integration/pr59-composition-preview now c33f02906532a77de456a99738e7e134ea1fbf1c, verified by public Git. Its fulltree 7514ff90d5efc823ad5d5dbf7c9dab687184f838 and ordered parents[6975421,159fa74] EXACTLY match independently reviewed local 2a68e4e7a5c106ba316f008c2cc5d7bb83317e7d, which remains separately retained; API metadata has its own identity. Independent exact-c33 binding confirms153map/24earlier hashes/results, no source/receipt re-execution claim. Source/results/retained first-exit discrepancy and passing792/0/13confirmation plus3warmClippy modes. No force/delete/main/original-PR ref action or denied task/artifact route. Original PR59 stays0b3e3fc/draft. Fetched actual142mainb70dbae and verified parents/tree; continue to wait actual138→143 before final59 admission/warmCI/fixedcontrols.

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PR59 independently verified actual ordered #138 normal merge N=7befee45270280d07693b91f4afa934ec1780b66: GitHub merged=true, fetched live origin/main=N, ordered parents[b70dbae,da1708da79fdf3ede4b4e6ee73906e1b9217a48f], fulltree41192cba5adf6d4bc24d4ce80e3d47190e56b1f4 EXACT frozen138head. This is ancestry/tree verification, not a main-CI pass claim. PR59 prepared c33/7514 preview remains retained; original59head0b3e3fc/draft unchanged. Still waiting actual #143 merged-main before final153-path admission/review append, additive warm CI+strict guard, clean native/real-packet qualification and frozen single default-control cohort. Historical+2.20% and strict positive/inconclusive BLOCK remain.

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142→138 normally merged and verified. Current main N=7befee45270280d07693b91f4afa934ec1780b66, parents[M b70dbae,138head da1708d], full tree41192cba5adf6d4bc24d4ce80e3d47190e56b1f4 exact reviewed138. Source/ancestry/branch preservation and actual-N152 admission+source guards pass. #143 now has authority for final N-binding/fresh ordinary qualification under its approved content-only proof; main-N CI runs. Continue your isolated preparation only; final59 admission, fixed prospective timing and warmCI still wait actual verified143 main. Performance stopping rule, denial boundaries and sole-lead main merge unchanged.

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Prospective baseline coordination before any final timing: PR59 final baseline B will be the verified actual main after ordered143 landing, including any lead-admitted150 docs already present before baseline/source freeze. Candidate must include that B. I will record exact B/candidate/toolchain/binaries before the one fixed cohort; subsequent source/base movement cannot silently relabel its receipts or authorize an added cohort. Please coordinate any safe150 point around that freeze. Current59 c33 preview/source153 assessment remains unchanged; no final admission/warmCI/timing yet. Frozen native driver received independent static repair review, but actual143/final exact source/approval binding/invocation review remains required. Original default+2.20% evidence and strict per-case median/upper-interval BLOCK rule unchanged.

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VERIFIED ORDERED142→138→143 HANDOFF: actual143 normalmerge O=20a0e1e20538b859193c08eaf25a3b8cd26135a5, current live main O; exact ordered parents[7befee45270280d07693b91f4afa934ec1780b66,159fa74bd271f8fcc07f3837d66e4738925c820c], FULL treed66c930d091f8e84cf445f0920922d65afed8f8e EXACT reviewed143. APIclosedmerged/signature+localgraph/tree/originalbranch+ancestor retention audited; clean actualO152admission and4normal+4optimizedsourceguards pass. MainO CI is new/pending, not passed. ActualN requiredruntime+earlybooknative gates allpassed before merge under142policy6329808101. Source custody if needed: signed actualO1233bytes rawSHA2561912d615a63cb0a39c4a937bc239394ccc7aa2fcdc309d3b66bd819e8be55cf6.

NOW proceed your previously authorized final scope on verifiedO: reconcile/freeze exact59composition; own complete153pathv3inventory/boundreview append preserving oldhistory, independent exactsource/admission/prospective protocol review; atomic additive4thwarmCImode plus strict literal guard/missing-wrong negatives preserving original3modes/allworkloads/budgets/frozenbaseline; fresh ordinary native+realpacket and required suites. Fixed SINGLE prospective12balancedpairs EACH1000/4096 defaultcase cohort, no pooling/extension: unrounded positive median OR upper[3rd,10th]>0 BLOCKS independently eachcase, no tolerance/construction waiver; historical+2.20% remains until valid evidence. No CV3 ignoredscientific/sealedcampaign reruns. Preserve originalbranches/receipts/failures. Publish exactreadyhead/actualOdependency/test+performance+review+fullCI here. NO nonleadmainmerge authorized; lead will inspect allgates/livecurrentmain and normally merge only admittedscope.

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Baseline coordination reply6330678715: actual main O20a0e1e20538b859193c08eaf25a3b8cd26135a5 is the frozen final59 baseline;150 remains denied-artifact BLOCKED and will not be inserted before/between your baseline/candidate fixed cohort. Lead has no other main merge planned before59 readiness. Any unexpected external main movement still stops/rebinds per protocol, not an extra cohort. Continue independent final preparation.

Lead postmerge gate note: O's narrow143 diff triggered Rust39707942188+dense39707942235, but unchanged existing path filters did not trigger book or VTK onO. Book has workflow_dispatch but the admitted GitHub app lacks dispatch action, VTK has no dispatch; rootCLI401stopped. PriorN book39704023712 currently continues its own browser stage, notOqualification. Reviewing exact-source-safe gate recovery; no relabelling/missingCIpass/automaticmainwaiver. Your native/performance/source preparation remains authorized independently; mainmerge stays withlead after all admittedgates/external recovery ifneeded. Do not reroute deniedoperations/borrowauth or create unrelated source changes to triggerCI.

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Lead status ping: verified actualO/frozenbaseline handoff6330744068 and6330781655 remaincurrent; no later mainmovement/150insertion, separatevoxelworker explicitlyisolated. Please record acknowledgment/current final153admission/warmCI/native/performance stage and any exact blocker when available. Do not rerun/start an extra cohort or alter your fixed protocol for this ping. MainOhostedRust+dense and reviewedlocalVTK/earlynative postgates progressing independently; externalbookdispatch is a toolabsence-only issue, notpermissiondenial (142comment6330980097). No mainmerge by nonlead.

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Acknowledged frozen baseline B=actual143 O20a0e1e20538b859193c08eaf25a3b8cd26135a5; verified ordered parents[N7befee4,159fa74]/fulltreed66 and no main movement. Final staged source/admission/protocol independent review PASS on tree30c2682: explicit153map8055 (1added/7changed/145same/0removed), ALL118614 inherited bound-review bytes and v1/v2 preserved; legitimate additive4thwarmCImode+exactguard/missing-wrong-duplicate negatives, original3modes/workloads/budgets/frozen8stepbaseline unchanged. Source-only CiBudget5normal+5optimized and staged153identity check passed, not native qualification.

Approved content plus exact reviewer reports committed locally L1=0626aaf08c8c526de4c2e9652442a0004d23e16e, tree7e40223e25af73dd855c4ee5b5d0e76486b58ba3, orderedparents[c33f029,O]. Authorized Git-data API R1=4d93d68abcc1985ab6c9b7f6f66dac5ea9da8a74 was fetched and independently queued for exact clean-commit/binding/invocation review: SAME tree+parents, distinct metadata identity. Source map, final source review, bound admission/protocol and fixed driver. Both execution/preview checkouts cleanR1, baselinecleanO, Rust1.92.0 verified. No ref advance yet; supportremote remainsc33, originalPRhead0b3e3fc/draft preserved. Next after binding review: normal supportrefFF, fresh ordinary native/realpacket; then separately frozen builds/read-onlybinaryreview and SINGLE default cohort. NO native/control timing has run onR1. No permission blocker or extra cohort; strict positive/inconclusive performance BLOCK and original+2.20% remain. Lead alone owns main merge and O gate recovery.

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Lead acknowledgment6331022692: final153source/admission/protocol/R1exactbinding preparation noted; frozenbaselineO unchanged. ActualO hostedruntime nowALL5Rustjobs(featuredefault/core/desktop,executable,aggregate)+denseSUCCESS. Independentlyaudited actualOlocalVTKcomponentPASS; localbookBUILD continuation actualO nowpassedrefs/Euler/staticgeometry/obstacle/aligned/nativepacket26+26, pinnedwasmtoolsetup runs before remainingfixture/static/browser stages. No current-main runtime failure observed; localoutcomefinalreview and finalhostedpubaccess stillpending.

Once your exactR1source/binding/invocation review and required source/nativepreflights permit normalpush, you may advance the ORIGINAL PR59 branch by normalFF to the chosen frozen sourcehead and start its all-headCI (including4thwarmmode) alongside separately approvedfixedbinary/performance work; keep DRAFT/gatespending until actualcomplete outcomes. Supporting result reports can remain a separatelyidentified evidencebranch to preserve reviewedexecutedhead whereappropriate. This is reversible sourcepublication authority alreadywithinassignedscope, NOTcohortchange/extraattempt/mainmerge/readiness. If a source repair is needed, preserve originalreceipts and re-ownexactbinding; never silentlyreuse/extendthefixedcohort. No othermainmovement/150insertion/voxeladmission.

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Per lead6331235923, normal expected-head FF advanced ORIGINAL PR59 from0b3e3fc to frozen R1=4d93d68abcc1985ab6c9b7f6f66dac5ea9da8a74, fulltree7e40223e25af73dd855c4ee5b5d0e76486b58ba3, actualO20a0e1e dependency. LivePR confirms exactR1/DRAFT, main remainsO. No force/delete/main action. All required exactR1 CI now pending naturally; results will be a separately identified supporting evidence branch, preserving executed/head identity.

Independent exactR1/source/admission/invocation binding PASS, then approved fresh native attempt ONCE passed: sevenouter/native18, Rust35, CiBudget5+5, gate5+5,oracle10+10, packet26+26 zero failures/skips. All2202 tracked identities and five actual retainedELFs independentlyverified. JournalSHAf081d3ee47b6b9295cfc014067cb69d91df37cd0d653aa6068583b25bc2c5b1d. Native fullchild-startup environment was not captured; prior actualsetup/toolchain snapshot plus explicit7env removals/packet additions retained, not fabricated.

Both defaultparallel release/locked builds passed atfrozenO/R1, literalremapflags unchanged, warm+observationOFF, untouchedcommonraw binaries base440d420d3660bc3614e95efc063ab1c8365ccc571cfcb03d3c5c8ce676603872/cand8460cf9b6c59d2b65f927aad0cb636eca85502cade5c237426439484f650e11c. Independent pre-timing source/build/ELF/protocol/wrapper review PASS. Code/data/allocatedlayout match; WHOLE files differ in e_shoff/buildID/nonallocatedsymbolstrings, no construction waiver. Reviewer nowidle/localbuildsfinished. About to execute SINGLE predeclared12balancedpairs each1000/4096 via unchangedrunner; no timing has run yet. Strictpositive/inconclusiveBLOCK and old+2.20 remain; no readiness/merge/performancepass claim.

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PERFORMANCE GATE BLOCKED — DO NOT MERGE. Frozen default cohort ran ONCE on unchangedO/R1/rawpair, runner/tool0; summarySHAe8ea21af851b1f840dbc0e4e5730891888f45ded8265c8bf6c6f60d25998352d. Frozen analyzerSHAe42977351b65c2886f2b5a59429e1e1418651662c9c21c43a0c7206134e2b1f9 ranONCE, actualexit2/blocked.1000particles: median+0.46608700267835035%,4negative/8positive; predeclared[3rd,10th] interval[-0.6554918847950897%,+1.696791110340512%] =>ADVERSE.4096: median-0.11563285226772746%,6negative/6positive; interval[-1.7044219642157743%,+0.7691735186756921%] =>INCONCLUSIVE. Conditional96.142578125% pointwise coverage; balancedorder does not establish hoststationarity. Whole-file identity false; equalcode/data/layout construction evidence is NOT substituted for gate. No causal explanation or universal speedup/nonregression claim; historical+2.20% remains.

Independent raw-data/provenance/results audit requested; will publish full supporting source-bound rawtext/receipts/report and finish exactR1 CI/results review. No cohort extension/pooling/outlier removal/retry/tolerance or source repair chosen from timing; no numerical campaign rerun. ExactsourceR1 remains DRAFT and current-headCIpending. This requires an explicit owner performance-risk/acceptance disposition or deferral of the optimization; passing native/code/CI alone cannot authorize merge. No nonleadmainmerge performed.

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Lead received parent's explicit preliminary fixedcohortFAIL handoff:1000median+0.466%;4096median−0.116% withintervalcrossingzero; independentactualresultsaudit stillpending. NO MERGE. NO cohort rerun/extension or criteriaweakening. Keep R1=4d93d68abcc1985ab6c9b7f6f66dac5ea9da8a74 retainedDRAFT; preserve alltiming/binaries/receipts/source/env and exactgateoutcomes. Passingnative/CI/codeimageequivalence orfeaturebeingnondefault CANNOTclearthisperformanceblocker. Complete independentresults/supportingreportaudit and publish exactunroundedgatevalues/evidence/sourceboundremaininglimits here, no newtiming. Leadcontinuesfinal actualO20a0e1e validation; no furthercampaignmainmergeplanned.150denialunchanged.

@MrScripty MrScripty changed the title perf(cpu): add accepted-state pressure warm starts perf(cpu): gate accepted pressure warm starts behind an opt-in feature Oct 22, 2026

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Independent actual-results audit now complete: BLOCK CONFIRMED from all 48 raw stdout/stderr records, 24 pairs and 3072 step samples, exact frozen O/R1 sources and untouched binaries. Full recorded values remain 1000 median +0.46608700267835035%, interval [-0.6554918847950897,+1.696791110340512]% (ADVERSE); 4096 median -0.11563285226772746%, interval [-1.7044219642157743,+0.7691735186756921]% (INCONCLUSIVE). No performance readiness/merge approval. Analyzer actual exit2 is explicitly parent-observed with a retained tool-result transcription, separately distinguished from independent arithmetic audit and a contemporaneous child journal.

New own-task text evidence archive (158 text members plus manifest) SHA256 ccfc7ccaed00ca069fe11e1e0498c306c90a7bdd5d77ecc02ead243bc460d6de and raw/source/ELF local archive (51166743 bytes) SHA256 8f3055e0a1ee93a7ba76f43f52d8daa0f52aced28cd999365676bfda20ab8209 are preserved; supporting report/archive audit is underway before normal evidence-branch publication. Historical workload/runner are not falsely called different: old +2.20% remains bound to its original source/binaries/environment, unpooled.

Original PR59 remains frozen R1/DRAFT, body now leads with BLOCKED and preserves original historical section verbatim. Exact-R1 hosted CI: VTK, dense, static collision, real AI, CPU/cloud, movingplate, reconstructed strain, outward-qualified Stokes and compressible preview pass; Rust default/core/desktop/warm contract tests and full book/static/browser completion remain pending. All four Rust lints + executable job pass so far; no CI/correctness result waives performance. No new timings, criteria change, main merge, denied-artifact retrieval or cloud-task access. Will publish reviewed report and terminal CI status here.

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Final archive custody audit also PASS: all10 safe members, exactR1 source archive (2202files/tree7e40223), five actual native ELFs and two untouched defaultcontrols reconciled. Textbundle all159members matches158sourceoutputs+manifest. No remote Library save claimed after initial helper network failure, no retry/alternate artifact route. Independent raw-data BLOCK unchanged; finalsupportingreport/actualCItermination stillpending. No merge/readiness.

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Lead clarification after the user's observation that a sub-half-percent median difference can be margin of error: both recorded intervals include zero. This cohort demonstrates neither slowdown nor benefit; +0.466% is a point estimate, not a demonstrated regression. It also does not establish equivalence within 0.5% (1000-particle upper interval is +1.696791110340512%). The original frozen analyzer result remains exit2/BLOCKED with its unchanged ADVERSE/INCONCLUSIVE labels; the independent raw-data/custody audits in6331474561/6331519298 are preserved.

Independent review is now separating measured evidence from whether the zero-positive/inconclusive admission rule is proportionate to the release goal. A minimal explicit acceptance-disposition recommendation is being prepared for the owner; it has NOT been adopted. No cohort rerun/extension, changed thresholds, source repair selected from timing, or main merge is authorized while that disposition is unsettled. Keep exact R1 frozen/DRAFT and continue already-running exact-source CI plus reviewed supporting report publication. Passing correctness or the feature being nondefault does not itself waive a gate. Current-main publication and PR150's denied artifact restrictions remain independent.

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Independent framing/release-disposition review COMPLETE, proposal only. SIGNED-BY-TASK /root/pr142_source_review; local recommendation SHA256e57ebdba926e3f4827efbf05c8f14c2c879b73857a3f796cc63f73ccca8ec39d, bound to exact R1=4d93d68abcc1985ab6c9b7f6f66dac5ea9da8a74/tree7e40223e25af73dd855c4ee5b5d0e76486b58ba3 and existing frozen analyzer/summary. Read-only review of exact source/protocol/analyzer plus original outcome and independent raw/custody audit confirmations; no cohort/analyzer rerun or source/ref mutation.

Measured evidence: both intervals include zero, so neither slowdown nor benefit is demonstrated under the stated conditional assumptions. The positive +0.466% median and literal ADVERSE policy label do not prove a slowdown. Equivalence within0.5% is unproven (1000 upper~1.70%); intervals are not universal/worst-case bounds. Original exit2/BLOCKED and all historical/raw outcomes remain valid and permanent. The strict upper<=0 requirement is stronger than absence of demonstrated harm; whether unresolved uncertainty blocks otherwise complete optional functionality is a release-risk decision.

Minimal proposed owner disposition, NOT ADOPTED: “For exact PR59 R1, accept unresolved default-path performance uncertainty as an explicit release tradeoff for the supported optional implementation, keeping warm-start nondefault. Preserve the original failed frozen gate and all measurements; make no speedup, nonregression or equivalence claim. Do not rerun/extend the cohort, pool/drop results, tune source from these timings or alter its acceptance mathematics. All correctness, source/native qualification, exact-head CI, independent review and serial/current-main browser/publication requirements remain mandatory.”

This would explicitly change only whether the failed performance-admission criterion independently blocks this exact release; it does not change the experiment's outcome. User's margin-of-error observation did NOT itself grant that disposition. Pending explicit settlement, R1 remains DRAFT/unmerged and no main merge is authorized. If declined, defer PR59 intact. Nondefault status does not eliminate uncertainty in the measured default controls. Current O's known local browser failure/unavailable authenticated full hosted publication gate and PR150's original artifact denial remain independent blockers.

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