rustytorch

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

Performance Benchmarks #850:Commit c30e3dba34 pushed by osobh

main

2026-09-18 00:31:04 +00:00

5s

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

Documentation #849:Commit aa096465a6 pushed by osobh

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2026-09-17 23:53:12 +00:00

5s

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

Documentation #846:Commit 2c94ae0bb1 pushed by osobh

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2026-09-17 23:48:57 +00:00

1m4s

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

Performance Benchmarks #844:Commit 2c94ae0bb1 pushed by osobh

main

2026-09-17 23:47:55 +00:00

4s

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

Documentation #843:Commit 32546b1222 pushed by osobh

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2026-09-17 22:27:31 +00:00

5s

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

Documentation #840:Commit 4fecb3098c pushed by osobh

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2026-09-17 22:26:43 +00:00

1m3s

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

Performance Benchmarks #838:Commit 4fecb3098c pushed by osobh

main

2026-09-17 22:25:41 +00:00

5s

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

Documentation #837:Commit 338d66f85e pushed by osobh

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2026-09-17 22:24:49 +00:00

5s

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…

Documentation #834:Commit 3b3d6c84c0 pushed by osobh

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2026-09-17 22:23:55 +00:00

58s

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…

Performance Benchmarks #832:Commit 3b3d6c84c0 pushed by osobh

main

2026-09-17 22:22:59 +00:00

5s

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 …

Documentation #831:Commit 0fa05f2056 pushed by osobh

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2026-09-17 21:41:54 +00:00

19s

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 …

Performance Benchmarks #829:Commit 0fa05f2056 pushed by osobh

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2026-09-17 21:41:37 +00:00

5s

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…

Documentation #828:Commit 5b1621e6ad pushed by osobh

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2026-09-17 21:21:50 +00:00

1m8s

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…

Performance Benchmarks #826:Commit 5b1621e6ad pushed by osobh

main

2026-09-17 21:20:44 +00:00

6s

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 …

Documentation #825:Commit 0e4c97ed24 pushed by osobh

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2026-09-17 20:34:19 +00:00

6s

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 …

Documentation #822:Commit d337afa8f9 pushed by osobh

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2026-09-17 20:14:54 +00:00

9s

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 …

Documentation #819:Commit d4ffac9ac7 pushed by osobh

main

2026-09-17 19:58:20 +00:00

4s

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 …

Performance Benchmarks #817:Commit d4ffac9ac7 pushed by osobh

main

2026-09-17 19:58:16 +00:00

5s

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 …

Documentation #816:Commit 54911b4db3 pushed by osobh

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2026-09-17 19:57:00 +00:00

4s

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…

Documentation #813:Commit 8821e18520 pushed by osobh

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2026-09-17 19:55:29 +00:00

6s

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)

Documentation #810:Commit 765ba6d3f6 pushed by osobh

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2026-09-17 19:53:36 +00:00

7s

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)

Performance Benchmarks #808:Commit 765ba6d3f6 pushed by osobh

main

2026-09-17 19:53:31 +00:00

6s

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…

Documentation #807:Commit 5e2b565971 pushed by osobh

main

2026-09-17 19:52:32 +00:00

5s

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…

Documentation #804:Commit 6526a3bd38 pushed by osobh

main

2026-09-17 19:50:29 +00:00

7s

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…

Performance Benchmarks #802:Commit 6526a3bd38 pushed by osobh

main

2026-09-17 19:50:25 +00:00

4s

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…

Documentation #801:Commit 13d30c3ce6 pushed by osobh

main

2026-09-17 16:49:15 +00:00

5s

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

Documentation #798:Commit 4747d9e6b1 pushed by osobh

main

2026-09-17 16:45:08 +00:00

6s

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

Performance Benchmarks #796:Commit 4747d9e6b1 pushed by osobh

main

2026-09-17 16:45:07 +00:00

11s

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

Documentation #795:Commit bd43b34850 pushed by osobh

main

2026-09-17 16:44:38 +00:00

9s

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…

Documentation #792:Commit d9fd849239 pushed by osobh

main

2026-09-17 16:46:10 +00:00

1m59s