rustytorch

embedded3: study knobs — aperture_substeps (space-time sub-sampling), momentum_volume_cell_mean, RTX_E3_MERGE_FRACTION; all default off (refuted as the fresh-row residual's source)

CI #869:Commit c713bbbbb2 pushed by osobh

main

2026-09-19 08:32:42 +00:00

29h53m53s

embedded3 S2-2b-ii: DeviceCg::refresh (fine operator per step, hierarchy every K steps, z zeroed before the scatter) + gate test; the flag driver's correctors 3 / inner 1e-3 (residual remedy measured 7.6e-9 on the moving circle); residual study test

CI #866:Commit 33de5d0080 pushed by osobh

main

2026-09-19 02:32:43 +00:00

24h17m38s

embedded3 S2-3b: the flag driver's span knob (full width = the 2D geometry extruded)

CI #863:Commit fc8d69af29 pushed by osobh

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2026-09-19 02:32:43 +00:00

24h21m22s

embedded3: the cut mask's surface velocity uses the interpolant's distance and normal (one body call per face instead of eight); the device shares the surface-velocity tables between a step's phases; sphere gate re-read 0.965/0.961

CI #860:Commit 58a5501cef pushed by osobh

main

2026-09-19 02:32:42 +00:00

25h44m24s

embedded3: operator export profile at ny 62 (poisson_operator 0.03 s, export_hierarchy 1.44 s); export and poisson_operator public for profiling

CI #857:Commit 11d856b3d4 pushed by osobh

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2026-09-19 02:32:42 +00:00

25h48m22s

embedded3: the cut mask's imposition and the device surface-velocity tables restricted to a 4-cell band (deeper prescribed faces are never read; the surface velocity was the moving step's cost); the operator rebuild counted in the rebuild share

CI #854:Commit aca77fe1ac pushed by osobh

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2026-09-19 02:32:42 +00:00

25h59m6s

embedded3 S2-2b (host lever): narrow-band φ re-evaluation for moving bodies (max_surface_speed) — bit-identical, the flag body's ny 62 rebuild 3.54 → 0.30 s; the flag driver uses it

CI #851:Commit c30e3dba34 pushed by osobh

main

2026-09-19 02:32:42 +00:00

26h1m43s

embedded3 S2-2a/S2-3: moving bodies on the device (phased tables, host rebuild per step, impose kernel; gate test), the per-span cut wall route, the flag-wake driver and its geometry pre-flight

CI #848:Commit aa096465a6 pushed by osobh

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2026-09-19 00:03:08 +00:00

24h10m3s

embedded3 S2-1: the traction sampler on the cut field (pressure fit excludes merged cells; sampler route in the sphere MMS and DFG drivers)

CI #845:Commit 2c94ae0bb1 pushed by osobh

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2026-09-19 00:03:07 +00:00

24h15m16s

embedded3 loads: the control-volume route between no-slip z walls carries the walls' shear (control_volume_force_with_walls); the DFG driver uses it

CI #842:Commit 32546b1222 pushed by osobh

main

2026-09-18 23:08:31 +00:00

24h41m8s

embedded3: the device download carries the previous step's field (the control-volume route's unsteady term read the initial profile)

CI #839:Commit 4fecb3098c pushed by osobh

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2026-09-18 23:08:31 +00:00

24h42m55s

embedded3 item 12: the DFG 3D-2Z device driver (loads by both routes, Δp, settle criterion, CSV) and the VTK instant export

CI #836:Commit 338d66f85e pushed by osobh

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2026-09-18 23:08:31 +00:00

24h43m50s

embedded3 item 9b: the device step carries a static cut-cell mask (e3_cut.cu: cut predictor, apertured merged continuity with the fold, owner-read corrections; device CG off-stencil links) — host = device to 2e-10 (CFD1 cylinder nz 4) and 4e-14 (spher…

CI #833:Commit 3b3d6c84c0 pushed by osobh

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2026-09-18 23:08:31 +00:00

24h45m36s

embedded3 item 10b: virtual merging of small cells in the projection (fraction < 0.1 → master = largest active face neighbour; off-stencil links on the fine Poisson level; merged rhs, anchor, mass residual and source scale); static sphere rows within …

CI #830:Commit 0fa05f2056 pushed by osobh

main

2026-09-18 23:08:30 +00:00

25h26m57s

embedded3 item 11: moving bodies (end-of-step mask, fresh-cell refill, space-time cut cell: step-averaged apertures, GCL wall flux, Reynolds-transport momentum), the 3D fresh-cell falsifier (plate / circle / stadium, wall + control-volume routes) and t…

CI #827:Commit 5b1621e6ad pushed by osobh

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2026-09-18 23:08:30 +00:00

25h47m51s

embedded3 item 10: the apertured cut-cell wall (AM-wall) — cutwall.rs classification, apertured projection with the compatible wall flux, cut predictor (V_u = αhA, averaged mass fluxes, implicit wall shear, inertia floor), cut load route; sphere MMS …

CI #824:Commit 0e4c97ed24 pushed by osobh

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2026-09-18 23:08:30 +00:00

26h34m18s

rtx-cfd embedded3 item 9: wall.rs (binary ghost mask: three face families, trilinear stencil with periodic-z wrap, z-weighted least-squares ghost fit, flux compatibility correction; slip walls allowed as touched sides) + loads.rs (surface-stress route …

CI #821:Commit d337afa8f9 pushed by osobh

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2026-09-18 23:08:30 +00:00

26h53m46s

rtx-cfd embedded3 item 8: body.rs (SDF, surface velocity, normal, samplers: sphere Fibonacci lattice, z-cylinder, extruded 2D body) + cut.rs (Kuhn six-tet apertures/volumes, closure, wall distances); gate 8 HELD: volume/area orders 1.94–2.01, closure …

CI #818:Commit d4ffac9ac7 pushed by osobh

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2026-09-18 23:08:30 +00:00

27h10m19s

rtx-cfd embedded3 item 7: e3_step.cu + step::device::{DeviceStep, StepTimers} on the shared runtime (FMA off); gate 7 HELD: device = host ≤ 7e-12 under tight tolerances on MMS/Beltrami/Poiseuille, equal CG counts on every step, periodic planes within …

CI #815:Commit 54911b4db3 pushed by osobh

main

2026-09-18 23:08:30 +00:00

27h11m39s

rtx-cfd embedded3 items 4–6: field.rs + step/{mod, predictor, projection} (364/700/419 lines) — the host PISO step re-laid from the verified three_d code; gates HELD: MMS + Poiseuille marches value-identical to the 2D embedded solver at nz=1 over 200…

CI #812:Commit 8821e18520 pushed by osobh

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2026-09-18 23:08:30 +00:00

27h13m8s

rtx-cfd embedded3 item 3: e3_cg.cu (FMA off) + poisson::device_cg::{DeviceCg, DevicePcgCache, solve_pcg_device_cached}; gate 3 HELD: device CG = host PCG (9 / 9 iterations, |Δp| ≤ 1.5e-14 relative, run-to-run bit-identical, anchor exact, mean 9e-16)

CI #809:Commit 765ba6d3f6 pushed by osobh

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2026-09-18 23:08:30 +00:00

27h15m5s

rtx-cfd embedded3 item 2: e3_mg.cu + poisson::{export, device} (one shared CUDA runtime and module loader for embedded3); gate 2 HELD: device V-cycle = host f32 to 4e-7 relative on 96×40×{1,8} and 378×62×62, 4.97 ms per V-cycle at 1.45 M cells incl. tr…

CI #806:Commit 5e2b565971 pushed by osobh

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2026-09-18 23:08:30 +00:00

27h16m7s

rtx-cfd embedded3 item 1: the Poisson core as poisson/{problem, hierarchy, pcg} (≤ 385 lines each; the periodic wrap built once into neighbour arrays); gate 1 HELD: nz=1 bit-identical to the 2D solver (lex + red-black, cached/uncached, iterations) and…

CI #803:Commit 6526a3bd38 pushed by osobh

main

2026-09-18 23:08:30 +00:00

27h18m8s

rtx-cfd 3D Stage 1 item 6: three_d::geometry::{Body3, CutGeometry3} — nodal signed distance, face apertures and cell volumes exact for the linear interpolant on a fixed Kuhn six-tet split (consistent across faces), the wall polygon by closure, face-ce…

CI #800:Commit 13d30c3ce6 pushed by osobh

main

2026-09-18 17:08:30 +00:00

24h19m22s

rtx-cfd three_d piso_device: fix the by-reference launch args (the previous commit did not build with the cuda feature)

CI #797:Commit 4747d9e6b1 pushed by osobh

main

2026-09-18 17:08:30 +00:00

24h23m33s

rtx-cfd three_d piso_device: pass the pointer table by reference (clippy)

CI #794:Commit bd43b34850 pushed by osobh

main

2026-09-18 17:08:30 +00:00

24h24m2s

rtx-cfd 3D Stage 1 item 5: piso3.cu + three_d::piso_device::Piso3Device — the PISO step device-resident (predictors compiled without FMA contraction = the host's arithmetic, per-side boundary tables, divergence/correct/add_p kernels with fixed-order p…

CI #791:Commit d9fd849239 pushed by osobh

main

2026-09-18 17:08:30 +00:00

24h24m21s

rtx-cfd three_d: the predictors split into piso_predictor.rs (file-size rule), the w predictor's index helpers cleaned; tests unchanged and green

CI #788:Commit e0cbb99343 pushed by osobh

main

2026-09-18 17:08:30 +00:00

24h35m11s

rtx-cfd 3D Stage 1 item 4: three_d::{FlowField3D, piso_host::Piso3Solver} — the 2D embedded predictor/projection transcribed with the z terms appended (u/v/w predictors, six sides incl. periodic z, TVD, the apertured-ready projection on PoissonProblem…

CI #785:Commit 616d2a3394 pushed by osobh

main

2026-09-18 17:08:30 +00:00

24h36m56s

rtx-cfd 3D Stage 1 item 3: cg3.cu + DeviceCg3 — the f64 CG entirely on the device (run_pcg's control flow: true-residual stop and resync, breakdown guard, mean projection, anchor shift; fixed-order block reductions, no atomics; the device V-cycle as p…

CI #782:Commit 2f476a38d5 pushed by osobh

main

2026-09-18 17:08:30 +00:00

24h49m34s