vreman_nut.hip

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/*
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#include <hip/hip_runtime.h>
#include <device/device_config.h>
#include <device/hip/check.h>
#include "vreman_nut_kernel.h"
 
extern "C" {
  void hip_vreman_nut_compute(void *a11, void *a12, void *a13,
                             void *a21, void *a22, void *a23,
                             void *a31, void *a32, void *a33,
                             void *delta, void *nut, void *mult,
                             real *c, real *eps, int * n){
 
    const dim3 nthrds(1024, 1, 1);
    const dim3 nblcks(((*n)+1024 - 1)/ 1024, 1, 1);
    hipLaunchKernelGGL(HIP_KERNEL_NAME(vreman_nut_compute<real>),
                                       nblcks, nthrds, 0, (hipStream_t) glb_cmd_queue,
                                       (real *) a11, (real *) a12, (real *) a13,
                                       (real *) a21, (real *) a22, (real *) a23,
                                       (real *) a31, (real *) a32, (real *) a33,
                                       (real *) delta, (real *) nut, (real *) mult,
                                       *c, * eps, * n);
    HIP_CHECK(hipGetLastError());
  }
}
 
 
extern "C" {
  void hip_vreman_nut_compute_buoy(void *a11, void *a12, void *a13,
                                   void *a21, void *a22, void *a23,
                                   void *a31, void *a32, void *a33,
                                   void *delta, void *nut, void *mult,
                                   real *c, real *eps, int *n,
                                   void *dTdx, void *dTdy, void *dTdz,
                                   real *g, real *ri_c, real *ref_temp)
  {
    const dim3 nthrds(1024, 1, 1);
    const dim3 nblcks(((*n) + 1024 - 1) / 1024, 1, 1);
 
    // Normalize g on host (as CPU and CUDA do)
    real g1 = g[0], g2 = g[1], g3 = g[2];
    real gmag = sqrt(g1*g1 + g2*g2 + g3*g3);
 
    real n1 = g1 / gmag;
    real n2 = g2 / gmag;
    real n3 = g3 / gmag;
 
    hipLaunchKernelGGL(
        HIP_KERNEL_NAME(vreman_nut_compute_buoy<real>),
        nblcks, nthrds, 0, (hipStream_t)glb_cmd_queue,
        (real*)a11, (real*)a12, (real*)a13,
        (real*)a21, (real*)a22, (real*)a23,
        (real*)a31, (real*)a32, (real*)a33,
        (real*)delta, (real*)nut, (real*)mult,
        *c, *eps, *n,
        (real*)dTdx, (real*)dTdy, (real*)dTdz,
        n1, n2, n3,      // normalized gravity direction
        g1, g2, g3,      // original gravity vector
        *ri_c, *ref_temp
    );
 
    HIP_CHECK(hipGetLastError());
  }
}