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VoxelForge/Standalone/Research/WorldAssemblerM3
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Fr0zkaandClaude Opus 5.5 bd68aee1ca parity: Unreal and headless resolve the same four-strate plan (L70, v214) 
- Export commandlet writes the live Core adapter's world_assembly + resolved layout pair;
  the headless owner path imports that pair (manifest/layout equal, layout_chunk_width_q
  validated). owner_world.json re-exported from the owner's staged assets on the Linux host.
- Adapter SW route: Core clearance/radius floors, 0.5 m support search, outward-facing
  tie-break; passage mouth/mid radius floors match Core (36/24 owner voxels).
- FI in Unreal now uses the legacy (compiled analytic) generator unless a plan is imported:
  the auto native-FI plan failed the passage audit on the owner plan (1843 blocked samples,
  945 open-air violations). Owner decides whether native FI returns.
- In-engine spawn traces per strate (3 each): SW GenerateTile 42.7 worker-s vs 20.1 headless
  for equal tile counts; LOD0 p95 45-169 ms in UE.
- Fast tier green; all three passages pass on the shared plan.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_016dhxM43dnWvUu2B5Ph1iG1
2026-10-27 06:22:48 +01:00
..
Linux1
wip(assembler): round L1 -- Linux baseline on abyss: Linux world identical to Windows
2026-10-19 18:18:34 +02:00
Linux2
wip(assembler): round L2 -- the cross-platform hash check can fail; FP contraction changes the world
2026-10-19 18:18:34 +02:00
Linux3
wip(assembler): round L3 -- Core forces FP contraction off and refuses to generate if it can't
2026-10-19 18:51:07 +02:00
Linux4
wip(assembler): round L4 -- lazy per-thread caches: 17.3 MiB -> 43 KiB per thread, view 7% faster
2026-10-19 19:16:14 +02:00
Linux5
wip(assembler): rounds L5+L6 -- Linux far-terrain captures and screen-space gate (world unchanged)
2026-10-19 21:10:08 +02:00
Linux6
wip(assembler): rounds L5+L6 -- Linux far-terrain captures and screen-space gate (world unchanged)
2026-10-19 21:10:08 +02:00
Linux7
wip(assembler): round L7 -- shared column cache across workers: whole view 16-19% faster, world unchanged
2026-10-19 21:46:15 +02:00
Linux8
docs(assembler): round L8 report -- where the time goes after the shared cache
2026-10-19 22:10:05 +02:00
Linux9
wip(assembler): round L9 -- LOD1 skips proven-uniform blocks: 95% fewer samples, view ~2% faster
2026-10-19 23:14:16 +02:00
Linux10
docs(assembler): round L10 report -- spawn waits on the full shape; 24 m crossing hits bad_alloc
2026-10-19 23:44:52 +02:00
Linux11
wip(assembler): round L11 -- fix 24 m+ crossing crash; near ring ready 2x sooner at spawn
2026-10-20 00:28:58 +02:00
Linux12
wip(assembler): round L12 -- region pages keep LOD1 block proofs: 24 m crossing 5x faster
2026-10-20 01:07:47 +02:00
Linux13
wip(assembler): round L13 -- one density field for every route (multiplayer determinism fix)
2026-10-20 01:54:54 +02:00
Linux14
wip(assembler): round L14 -- far-LOD cost counted; no exact-output lever above 3% (opt-in counters)
2026-10-20 02:33:48 +02:00
Linux15
docs(assembler): round L15 report -- no far-mesh saving fits the owner's pixel budget
2026-10-20 03:29:14 +02:00
Linux16
docs(assembler): round L16 report -- disk terrain cache design + prototype (code on side branch)
2026-10-20 04:19:56 +02:00
Linux17
docs+tool(assembler): round L17 report; readable shading in the Linux capture tool
2026-10-20 05:53:17 +02:00
Linux18
wip(assembler): round L18 -- FloatingIslands false floors removed; shared strate ceiling
2026-10-20 07:55:53 +02:00
Linux19
wip(assembler): round L19 -- strate ceilings closed at every LOD; ledges diagnosed
2026-10-20 08:46:29 +02:00
Linux20
docs(assembler): Sol 6.1 review of the L20 strate/units design
2026-10-20 09:20:33 +02:00
Linux21
wip(assembler): round L21 -- resolved strate layout snapshot + validator (no world change)
2026-10-20 10:22:00 +02:00
Linux22
wip(assembler): round L22 -- one 8 m layout chunk for every strate; real ceiling -> content -> bedrock
2026-10-20 12:03:14 +02:00
Linux23
wip(assembler): round L23 -- inter-strate passages planned from the resolved layout and carved
2026-10-20 18:22:12 +02:00
Linux24
wip(assembler): round L24 -- per-strate passage styles; natural Worm default; FI anchor island
2026-10-20 21:42:21 +02:00
Linux25
wip(L25, side branch): FI helix enclosed in a 13 m rock root; support never created in open air
2026-10-21 00:38:57 +02:00
Linux26
wip(L26, side branch): every passage style walkable in both recipes (0/0/0); SW bridges look wrong
2026-10-21 02:39:44 +02:00
Linux27
wip(L27, side branch): passages cross open voids inside shared natural rock columns
2026-10-21 04:14:14 +02:00
Linux28
wip(L28): passage columns/routes culled per tile (BVH); cost back near L24, bit-identical to L27
2026-10-21 07:42:16 +02:00
Linux29
wip(assembler): round L29 -- strate transitions honoured at the bedrock/ceiling interface
2026-10-21 09:16:12 +02:00
Linux30
wip(assembler): round L30 -- FI floor ring defect fixed; transition cost recovered
2026-10-21 11:40:27 +02:00
Linux31
wip(assembler): round L31 -- FI recipe column audit corrected; recipe-stamped audit runner
2026-10-21 14:13:18 +02:00
Linux32
wip(assembler): round L32 -- smooth Gradient interface at full amplitude (no rings, not flat)
2026-10-21 20:27:29 +02:00
Linux33
wip(assembler): round L33 -- SurfaceWorld can be an upper strate; FloorProfileBlend measures seams
2026-10-21 22:30:36 +02:00
Linux34
wip(assembler): round L34 -- passage mouth profile audit and standard capture set
2026-10-22 01:12:40 +02:00
Linux35
wip(assembler): round L35 -- smooth passage walls without regular ribs (evaluator v21)
2026-10-22 07:28:50 +02:00
Linux36
wip(assembler): round L36 -- tunnel floor without washboard; FI mouth without shards (evaluator v23)
2026-10-22 13:01:54 +02:00
Linux37
planner: four-strate owner plan spawns (L66); pinned 2-strate regression fixture
2026-10-26 22:13:22 +01:00
Linux39
tools(verify): fast/medium/full verification tiers with a compiled-in source stamp (L39); research R6
2026-10-23 15:27:52 +02:00
Linux40
refactor(core): bind generator fields once per resolved strate (L40, migration step 2); research R7
2026-10-23 17:15:46 +02:00
Linux41
refactor: resolved metre layout is the runtime authority (L41, migration step 3); stamp covers plugin sources; R8
2026-10-23 19:36:51 +02:00
Linux42
refactor(core): boundary policy as resolved capabilities, not generator-name tests (L42, step 6); R9
2026-10-23 20:22:49 +02:00
Linux43
feat(core): deterministic bounded SDF landmark stamps, off by default (L43); research R10
2026-10-23 21:50:56 +02:00
Linux44
fix(core): worker-count-dependent tiles near passage support columns (L44); random-camera determinism sweep
2026-10-23 23:00:21 +02:00
Linux45
feat(core): reachable SW landmark chamber demo with a reachability audit (L45); research R12
2026-10-24 07:42:30 +02:00
Linux46
feat(core): cavern graph v1, one continuous floor-capped tunnel into the landmark chamber (L46); R13
2026-10-24 09:53:06 +02:00
Linux47
fix(core): smooth tunnel entrance floor; verifier keeps baselines out of /tmp (L47); research R14
2026-10-24 12:54:39 +02:00
Linux48
tools(audit): whole-surface mesh artifact audit with historical controls (L48, tool only); research R15
2026-10-24 14:53:11 +02:00
Linux50
feat(core): ore vein records and a materialAt query, off by default (L50); research R18, R19
2026-10-24 18:25:03 +02:00
Linux51
docs(L51): complete the truncated orchestrator review
2026-10-24 20:37:10 +02:00
Linux52
perf(mesher): shared proof-driven sampling skips certified-uniform blocks (L52); FI 7.1 -> 5.6 s; R21
2026-10-24 23:53:43 +02:00
Linux53
feat(core): profiled heightfields, slice 1: periodicHills, mirroredRelief, flatField (L53); research R22
2026-10-25 01:49:11 +02:00
Linux54
chore(L54): drop duplicate control SVG maps (already in Linux48)
2026-10-25 04:10:37 +01:00
Linux55
perf(core): tile-drain instrumentation; parallel FI sign-edge repair, FI first tile 1.28 -> 0.85 s (L55); R24
2026-10-25 06:16:07 +01:00
Linux56
planner: four-strate owner plan spawns (L66); pinned 2-strate regression fixture
2026-10-26 22:13:22 +01:00
Linux57
perf(core): FI LOD0 attribution, exact Z-inner traversal; fix a mesh gap at the passage shaft foot (L57); R26
2026-10-25 10:47:44 +01:00
Linux58
feat(core): native lattice generator, slice 1 -- helix-ramp spine + small maze (L58); research R27
2026-10-25 15:45:32 +01:00
Linux60
fix: signed-overflow UB in VoxelHash made cave placement compiler-dependent; all generators LOD0-8; speed matrix (L60)
2026-10-26 01:50:15 +01:00
Linux61
fix: sanitizer sweep across all generators; bound signed shifts/division/overflow at coordinate limits (L61); R31
2026-10-26 05:19:18 +01:00
Linux64
research(L64, R33): regression bisect -- Core +16% worker time L14->L61, not 2x; four-strate plan baseline
2026-10-26 18:38:27 +01:00
Linux65
build: VoxelForge compiles in Unreal 5.7 on Linux (L65); Linux-only Unreal trace timing fields
2026-10-26 19:19:07 +01:00
Linux66
planner: four-strate owner plan spawns (L66); pinned 2-strate regression fixture
2026-10-26 22:13:22 +01:00
Linux67
passages: four-strate passage floors supported (L67, evaluator v212); 1-2 wall beat still red
2026-10-27 02:27:40 +01:00
Linux68
passages: smooth 12 m lower-mouth radius taper; all four-strate passages pass (L68, v213)
2026-10-27 03:17:27 +01:00
Linux69
captures: readable player-view captures with a coverage gate (L69); R36 native-generator survey
2026-10-27 04:00:49 +01:00
Linux70
parity: Unreal and headless resolve the same four-strate plan (L70, v214)
2026-10-27 06:22:48 +01:00
Research1
wip(assembler): round L37 -- FI mouth carve-fade fix, no raised bridge (style 0); research R1
2026-10-23 05:51:50 +02:00
Research2
fix: L37 Core compile error (stray paren) and Unreal-side issues from review R2
2026-10-23 06:55:53 +02:00
Research3
research(R3): floor ownership on an overlapping helical passage
2026-10-23 07:35:16 +02:00
Research4
research(R4): L38 wall "ripple" is a coil-ownership step, not a wave
2026-10-23 08:30:59 +02:00
Research5
research(R5): tiered verification (fast/medium/full) and a final-source stamp
2026-10-23 11:24:57 +02:00
Research6
tools(verify): fast/medium/full verification tiers with a compiled-in source stamp (L39); research R6
2026-10-23 15:27:52 +02:00
Research7
refactor(core): bind generator fields once per resolved strate (L40, migration step 2); research R7
2026-10-23 17:15:46 +02:00
Research8
refactor: resolved metre layout is the runtime authority (L41, migration step 3); stamp covers plugin sources; R8
2026-10-23 19:36:51 +02:00
Research9
research(R9): drop the chat preamble from the saved report
2026-10-23 20:23:04 +02:00
Research10
feat(core): deterministic bounded SDF landmark stamps, off by default (L43); research R10
2026-10-23 21:50:56 +02:00
Research11
fix(core): worker-count-dependent tiles near passage support columns (L44); random-camera determinism sweep
2026-10-23 23:00:21 +02:00
Research12
feat(core): reachable SW landmark chamber demo with a reachability audit (L45); research R12
2026-10-24 07:42:30 +02:00
Research13
feat(core): cavern graph v1, one continuous floor-capped tunnel into the landmark chamber (L46); R13
2026-10-24 09:53:06 +02:00
Research14
fix(core): smooth tunnel entrance floor; verifier keeps baselines out of /tmp (L47); research R14
2026-10-24 12:54:39 +02:00
Research15
tools(audit): whole-surface mesh artifact audit with historical controls (L48, tool only); research R15
2026-10-24 14:53:11 +02:00
Research16
research(R16): why hard SDF intersections alias under marching cubes; fillet sizing per LOD
2026-10-24 15:44:49 +02:00
Research17
research(R17): authoring and adapter wiring to bring Core stamps and cavern graphs into Unreal
2026-10-24 16:38:55 +02:00
Research18
feat(core): ore vein records and a materialAt query, off by default (L50); research R18, R19
2026-10-24 18:25:03 +02:00
Research19
feat(core): ore vein records and a materialAt query, off by default (L50); research R18, R19
2026-10-24 18:25:03 +02:00
Research20
perf(core): FloatingIslands whole view 16.7 s -> 7.4 s (L51); research R20
2026-10-24 20:36:54 +02:00
Research21
perf(mesher): shared proof-driven sampling skips certified-uniform blocks (L52); FI 7.1 -> 5.6 s; R21
2026-10-24 23:53:43 +02:00
Research22
feat(core): profiled heightfields, slice 1: periodicHills, mirroredRelief, flatField (L53); research R22
2026-10-25 01:49:11 +02:00
Research23
feat(core): native Core caves generator, slice 1 -- spine + room, whole view 0.73 s (L54); research R23
2026-10-25 04:10:19 +01:00
Research24
perf(core): tile-drain instrumentation; parallel FI sign-edge repair, FI first tile 1.28 -> 0.85 s (L55); R24
2026-10-25 06:16:07 +01:00
Research25
feat(core): slab + sparse motifs, slice 1 -- flat field, monolith, platform at 0.52 s (L56); research R25
2026-10-25 07:47:15 +01:00
Research26
perf(core): FI LOD0 attribution, exact Z-inner traversal; fix a mesh gap at the passage shaft foot (L57); R26
2026-10-25 10:47:44 +01:00
Research27
feat(core): native lattice generator, slice 1 -- helix-ramp spine + small maze (L58); research R27
2026-10-25 15:45:32 +01:00
Research28
research(R28, self-checked): per-generator cost ledger; caves/motifs/lattice timings were LOD0-only views, not comparable
2026-10-25 20:27:56 +01:00
Research29
fix: signed-overflow UB in VoxelHash made cave placement compiler-dependent; all generators LOD0-8; speed matrix (L60)
2026-10-26 01:50:15 +01:00
Research30
fix: signed-overflow UB in VoxelHash made cave placement compiler-dependent; all generators LOD0-8; speed matrix (L60)
2026-10-26 01:50:15 +01:00
Research31
fix: sanitizer sweep across all generators; bound signed shifts/division/overflow at coordinate limits (L61); R31
2026-10-26 05:19:18 +01:00
Research32
research(R32, self-checked): first-principles work budget for ~1 s and the active-cell/sparse-brick path
2026-10-26 09:48:37 +01:00
Research33
research(L64, R33): regression bisect -- Core +16% worker time L14->L61, not 2x; four-strate plan baseline
2026-10-26 18:38:27 +01:00
Research36
captures: readable player-view captures with a coverage gate (L69); R36 native-generator survey
2026-10-27 04:00:49 +01:00
Round1
wip(assembler): M3 round 2 -- islands get real mass: deep crust, separate tapered roots, arched spans
2026-10-10 12:24:35 +02:00
Round2
wip(assembler): M3 round 2 -- islands get real mass: deep crust, separate tapered roots, arched spans
2026-10-10 12:24:35 +02:00
Round3
wip(assembler): M3 round 3 -- separated islands + Unreal island route (owner build 18:46)
2026-10-10 20:53:03 +02:00
Round4
wip(assembler): M3 round 4 -- plans built inside Unreal from the owner's strates; no import needed
2026-10-10 22:48:46 +02:00
Round5
wip(assembler): round S1 -- one Core voxel-size source; per-tile feature lists (islands)
2026-10-18 18:48:38 +02:00
Round6
wip(assembler): round S2 (Sol) -- shared per-tile feature queries for every Core family; island placement 30x faster
2026-10-18 19:50:45 +02:00
Round7
wip(assembler): round S3 -- far ground from the native heightfield; LOD7/8 tiles 36-66% cheaper
2026-10-18 21:29:52 +02:00
Round8
wip(assembler): round S4 -- continuous far ceiling at the strate's upper boundary
2026-10-19 00:41:13 +02:00
Round9
wip(assembler): round S5 -- streaming gates + trace; coarse-first order kept opt-in (no win)
2026-10-19 04:42:41 +02:00
Round10
wip(assembler): round S6 -- in-game cold view counted; workers mostly idle, apply cap not the floor
2026-10-19 06:46:54 +02:00
Round11
wip(assembler): round S7 -- workers kept busy: in-game cold full view 17.5 s -> 7.8 s
2026-10-19 08:10:10 +02:00
Round12
wip(assembler): round S8 -- region rebuilds no longer stall admission; result backlog capped
2026-10-19 09:43:03 +02:00
Round13
wip(assembler): round S9 -- collision look-ahead: ground ring ready on arrival up to 40 m/s and 50 m/s falls
2026-10-19 10:56:54 +02:00
Round14
wip(assembler): round S10 -- LOD8 horizon sampled at MC spacing: LOD8 worker time 18.8 s -> 4.3 s
2026-10-19 12:23:18 +02:00
Round15
wip(assembler): round S11 -- bounded spawn apply budget: in-game full set 7.1 s -> 6.0 s
2026-10-19 13:03:44 +02:00
Round16
wip(assembler): round S12 -- short ready queue keeps workers fed between ticks: full set 6.0 s -> 4.9 s
2026-10-19 14:29:38 +02:00
Round17
wip(assembler): round S13 -- tile cost counted per LOD (diagnostics only, no output change)
2026-10-19 15:40:25 +02:00
Round18
wip(assembler): round S14 -- 4-way column cache + memoized MC gradients (output unchanged)
2026-10-19 17:58:54 +02:00
Unreal1
fix(unreal): U1 -- Unreal compiles again on L61; CoreGeometry asset section; versioned layout-unit upgrade
2026-10-26 12:12:08 +01:00
Unreal2
chore(unreal): U2 -- owner's four-generator plan staged; owner_world.json re-exported
2026-10-26 14:18:19 +01:00
HANDOFF-ABYSS.md
docs(assembler): handoff for the abyss (Linux) research machine
2026-10-19 16:11:06 +02:00