rtx-fsi: the interface noise probe reads RTX_FSI2_MG_DEVICE (the device V-cycle's regime gate)

2026-09-16 01:24:14 -05:00
parent fc556f8a88
commit 3fd4fb7b8c
1 changed files with 7 additions and 0 deletions
@@ -113,6 +113,13 @@ fn fsi2_interface_noise_floor() {
            "  multigrid smoother: RED-BLACK symmetric Gauss–Seidel (PERF-2 regime, RTX_FSI2_MG_RB)"
        );
    }
    // PERF-2 P3-ii (`RTX_FSI2_MG_DEVICE=1`, a cuda-feature build): the V-cycle on the device.
    if env_or("RTX_FSI2_MG_DEVICE", 0.0) != 0.0 {
        solver.set_poisson_device(true);
        println!(
            "  multigrid V-cycle: CUDA DEVICE, f32 red-black (PERF-2 regime, RTX_FSI2_MG_DEVICE)"
        );
    }
    let dt_fluid = harness.dt_fluid;
    // Rigid march to operating loads (the floor rides with the loads —