dd/d9e/hip_2opgrad__kernel_8h_source.html

#ifndef __MATH_OPGRAD_KERNEL_H__

#define __MATH_OPGRAD_KERNEL_H__

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*/


template< typename T, const int LX, const int CHUNKS >


__global__ void opgrad_kernel_1d(T * __restrict__ ux,

                                 T * __restrict__ uy,

                                 T * __restrict__ uz,

                                 const T * __restrict__ u,

                                 const T * __restrict__ dx,

                                 const T * __restrict__ dy,

                                 const T * __restrict__ dz,

                                 const T * __restrict__ drdx,

                                 const T * __restrict__ dsdx,

                                 const T * __restrict__ dtdx,

                                 const T * __restrict__ drdy,

                                 const T * __restrict__ dsdy,

                                 const T * __restrict__ dtdy,

                                 const T * __restrict__ drdz,

                                 const T * __restrict__ dsdz,

                                 const T * __restrict__ dtdz,

                                 const T * __restrict__ w3) {


  __shared__ T shu[LX * LX * LX];


  __shared__ T shdx[LX * LX];

  __shared__ T shdy[LX * LX];

  __shared__ T shdz[LX * LX];


  int i,j,k;


  const int e = blockIdx.x;

  const int iii = threadIdx.x;

  const int nchunks = (LX * LX * LX - 1) / CHUNKS + 1;


  if (iii < (LX * LX)) {

    shdx[iii] = dx[iii];

    shdy[iii] = dy[iii];

    shdz[iii] = dz[iii];

  }


  j = iii;

  while(j < (LX * LX * LX)) {

    shu[j] = u[j + e * LX * LX * LX];

    j = j + CHUNKS;

  }


  __syncthreads();


  for (int n = 0; n < nchunks; n++) {

    const int ijk = iii + n * CHUNKS;

    const int jk = ijk / LX;

    i = ijk - jk * LX;

    k = jk / LX;

    j = jk - k * LX;

    if ( i < LX && j < LX && k < LX ) {

      T rtmp = 0.0;

      T stmp = 0.0;

      T ttmp = 0.0;

      for (int l = 0; l < LX; l++) {

    rtmp += shdx[i + l * LX] * shu[l + j * LX + k * LX * LX];

    stmp += shdy[j + l * LX] * shu[i + l * LX + k * LX * LX];

    ttmp += shdz[k + l * LX] * shu[i + j * LX + l * LX * LX];

      }


      ux[ijk + e * LX * LX * LX] = w3[ijk]

    * (drdx[ijk + e * LX * LX * LX] * rtmp

       + dsdx[ijk + e * LX * LX * LX] * stmp

       + dtdx[ijk + e * LX * LX * LX] * ttmp);


      uy[ijk + e * LX * LX * LX] = w3[ijk]

    * (drdy[ijk + e * LX * LX * LX] * rtmp

       + dsdy[ijk + e * LX * LX * LX] * stmp

       + dtdy[ijk + e * LX * LX * LX] * ttmp);


      uz[ijk + e * LX * LX * LX] = w3[ijk]

    * (drdz[ijk + e * LX * LX * LX] * rtmp

       + dsdz[ijk + e * LX * LX * LX] * stmp

       + dtdz[ijk + e * LX * LX * LX] * ttmp);


    }

  }


}


template< typename T, const int LX >

__global__ void __launch_bounds__(LX*LX,3)

opgrad_kernel_kstep(T * __restrict__ ux,

                    T * __restrict__ uy,

                    T * __restrict__ uz,

                    const T * __restrict__ u,

                    const T * __restrict__ dx,

                    const T * __restrict__ dy,

                    const T * __restrict__ dz,

                    const T * __restrict__ drdx,

                    const T * __restrict__ dsdx,

                    const T * __restrict__ dtdx,

                    const T * __restrict__ drdy,

                    const T * __restrict__ dsdy,

                    const T * __restrict__ dtdy,

                    const T * __restrict__ drdz,

                    const T * __restrict__ dsdz,

                    const T * __restrict__ dtdz,

                    const T * __restrict__ w3) {


  __shared__ T shu[LX * LX];


  __shared__ T shdx[LX * LX];

  __shared__ T shdy[LX * LX];

  __shared__ T shdz[LX * LX];


  const int e = blockIdx.x;

  const int j = threadIdx.y;

  const int i = threadIdx.x;

  const int ij = i + j * LX;

  const int ele = e*LX*LX*LX;


  shdx[ij] = dx[ij];

  shdy[ij] = dy[ij];

  shdz[ij] = dz[ij];


  T ru[LX];


#pragma unroll LX


  for (int k = 0; k < LX; ++k) {

    ru[k] = u[ij + k*LX*LX + ele];

  }


  __syncthreads();


  #pragma unroll

  for (int k = 0; k < LX; ++k) {

    const int ijk = ij + k*LX*LX;

    const T W3 = w3[ijk];

    T ttmp = 0.0;

    shu[ij] = ru[k];

    for (int l = 0; l < LX; l++) {

      ttmp += shdz[k+l*LX] * ru[l];

    }

    __syncthreads();


    T rtmp = 0.0;

    T stmp = 0.0;

#pragma unroll

    for (int l = 0; l < LX; l++) {

      rtmp += shdx[i+l*LX] * shu[l+j*LX];

      stmp += shdy[j+l*LX] * shu[i+l*LX];

    }


    ux[ijk + ele] = W3 * (drdx[ijk + ele] * rtmp

                          + dsdx[ijk + ele] * stmp

                          + dtdx[ijk + ele] * ttmp);


    uy[ijk + ele] = W3 * (drdy[ijk + ele] * rtmp

                          + dsdy[ijk + ele] * stmp

                          + dtdy[ijk + ele] * ttmp);


    uz[ijk + ele] = W3 * (drdz[ijk + ele] * rtmp

                          + dsdz[ijk + ele] * stmp

                          + dtdz[ijk + ele] * ttmp);

    __syncthreads();

  }

}


#endif // __MATH_OPGRAD_KERNEL_H__

shu
__shared__ T shu[LX *LX]
Definition ax_helm_full_kernel.h:69

dirichlet_apply_scalar_kernel
__global__ void dirichlet_apply_scalar_kernel(const int *__restrict__ msk, T *__restrict__ x, const T g, const int m)
Definition dirichlet_kernel.h:42

dsdx
__global__ void T *__restrict__ T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ dsdx
Definition opgrad_kernel.h:133

dtdz
__global__ void T *__restrict__ T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ dtdz
Definition opgrad_kernel.h:140

__launch_bounds__
__global__ void __launch_bounds__(LX *LX, 3) opgrad_kernel_kstep(T *__restrict__ ux

uy
__global__ void T *__restrict__ uy
Definition opgrad_kernel.h:126

opgrad_kernel_1d
__global__ void opgrad_kernel_1d(T *__restrict__ ux, T *__restrict__ uy, T *__restrict__ uz, const T *__restrict__ u, const T *__restrict__ dx, const T *__restrict__ dy, const T *__restrict__ dz, const T *__restrict__ drdx, const T *__restrict__ dsdx, const T *__restrict__ dtdx, const T *__restrict__ drdy, const T *__restrict__ dsdy, const T *__restrict__ dtdy, const T *__restrict__ drdz, const T *__restrict__ dsdz, const T *__restrict__ dtdz, const T *__restrict__ w3)
Definition opgrad_kernel.h:42

dx
__global__ void T *__restrict__ T *__restrict__ const T *__restrict__ const T *__restrict__ dx
Definition opgrad_kernel.h:129

uz
__global__ void T *__restrict__ T *__restrict__ uz
Definition opgrad_kernel.h:127

dsdz
__global__ void T *__restrict__ T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ dsdz
Definition opgrad_kernel.h:139

dz
__global__ void T *__restrict__ T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ dz
Definition opgrad_kernel.h:131

ru
T ru[LX]
Definition opgrad_kernel.h:159

drdy
__global__ void T *__restrict__ T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ drdy
Definition opgrad_kernel.h:135

drdz
__global__ void T *__restrict__ T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ drdz
Definition opgrad_kernel.h:138

shdz
__shared__ T shdz[LX *LX]
Definition opgrad_kernel.h:147

i
const int i
Definition opgrad_kernel.h:151

dtdx
__global__ void T *__restrict__ T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ dtdx
Definition opgrad_kernel.h:134

ij
const int ij
Definition opgrad_kernel.h:152

shdy
__shared__ T shdy[LX *LX]
Definition opgrad_kernel.h:146

e
const int e
Definition opgrad_kernel.h:149

dtdy
__global__ void T *__restrict__ T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ dtdy
Definition opgrad_kernel.h:137

drdx
__global__ void T *__restrict__ T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ drdx
Definition opgrad_kernel.h:132

dsdy
__global__ void T *__restrict__ T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ dsdy
Definition opgrad_kernel.h:136

shdx
__shared__ T shdx[LX *LX]
Definition opgrad_kernel.h:145

dy
__global__ void T *__restrict__ T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ dy
Definition opgrad_kernel.h:130

u
__global__ void T *__restrict__ T *__restrict__ const T *__restrict__ u
Definition opgrad_kernel.h:128

ele
const int ele
Definition opgrad_kernel.h:153

w3
__global__ void T *__restrict__ T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ w3
Definition opgrad_kernel.h:141

j
const int j
Definition opgrad_kernel.h:150

__syncthreads
__syncthreads()