most.cu

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/*
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     contributors may be used to endorse or promote products derived
     from this software without specific prior written permission.
 
 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
 FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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*/
 
#include <string.h>
#include <stdlib.h>
#include <stdio.h>
#include <device/device_config.h>
#include <device/cuda/check.h>
#include "most_kernel.h"
 
extern "C" {
  void cuda_most_compute(void *u_d, void *v_d, void *w_d, void *temp_d,
          void *ind_r_d, void *ind_s_d, void *ind_t_d, void *ind_e_d,
          void *n_x_d, void *n_y_d, void *n_z_d, void *h_d,
          void *tau_x_d, void *tau_y_d, void *tau_z_d,
          int *n_nodes, int *lx, real *kappa, void *mu_w_d, void *rho_w_d, real *g,
          real *Pr, real *z0, real *z0h_in, int *bc_type, real *bc_value, int *tstep,
          void *Ri_b_diagn, void *L_ob_diagn, void *utau_diagn,
          void *magu_diagn, void *ti_diagn, void *ts_diagn,
          void *q_diagn, void *h_x_idx, void *h_y_idx,
          void *h_z_idx) {
 
    const dim3 nthrds(256, 1, 1);
    const dim3 nblcks(((*n_nodes) + 256 - 1) / 256, 1, 1);
    const cudaStream_t stream = (cudaStream_t) glb_cmd_queue;
 
    real g1 = g[0], g2 = g[1], g3 = g[2];
 
    if (*n_nodes > 0) {
        if (*bc_type == 0) {          /* Neumann */
            most_compute<real, 0>
            <<<nblcks, nthrds, 0, stream>>>(
                (real *) u_d, (real *) v_d, (real *) w_d, (real *) temp_d,
                (real *) h_d, (real *) n_x_d, (real *) n_y_d, (real *) n_z_d,
                (int *) ind_r_d, (int *) ind_s_d, (int *) ind_t_d, (int *) ind_e_d,
                (real *) tau_x_d, (real *) tau_y_d, (real *) tau_z_d,
                *n_nodes, *lx, *kappa, (real *) mu_w_d, (real *) rho_w_d, g1, g2, g3,
                *Pr, *z0, *z0h_in, *bc_value, (real *) Ri_b_diagn, (real *) L_ob_diagn,
                (real *) utau_diagn, (real *) magu_diagn, (real *) ti_diagn,
                (real *) ts_diagn, (real *) q_diagn, (int *) h_x_idx,
                (int *) h_y_idx, (int *) h_z_idx);
        } else if (*bc_type == 1) {   /* Dirichlet */
            most_compute<real, 1>
            <<<nblcks, nthrds, 0, stream>>>(
                (real *) u_d, (real *) v_d, (real *) w_d, (real *) temp_d,
                (real *) h_d, (real *) n_x_d, (real *) n_y_d, (real *) n_z_d,
                (int *) ind_r_d, (int *) ind_s_d, (int *) ind_t_d, (int *) ind_e_d,
                (real *) tau_x_d, (real *) tau_y_d, (real *) tau_z_d,
                *n_nodes, *lx, *kappa, (real *) mu_w_d, (real *) rho_w_d,  g1, g2, g3,
                *Pr, *z0, *z0h_in, *bc_value, (real *) Ri_b_diagn, (real *) L_ob_diagn,
                (real *) utau_diagn, (real *) magu_diagn, (real *) ti_diagn, (real *) ts_diagn,
                (real *) q_diagn, (int *) h_x_idx, (int *) h_y_idx, (int *) h_z_idx);
        }
      CUDA_CHECK(cudaGetLastError());
    }
  }
}