void calc_dt_kernel_get_c_wrapper(
double *p_a0,
double *p_a1,
double *p_a2,
double *p_a3,
int x_size, int y_size) {
double p_a2_l = *p_a2;
double p_a3_l = *p_a3;
#ifdef OPS_GPU
#pragma acc parallel deviceptr(p_a0,p_a1) reduction(+:p_a2_l) reduction(+:p_a3_l)
#pragma acc loop reduction(+:p_a2_l) reduction(+:p_a3_l)
#endif
for ( int n_y=0; n_y<y_size; n_y++ ){
#ifdef OPS_GPU
#pragma acc loop reduction(+:p_a2_l) reduction(+:p_a3_l)
#endif
for ( int n_x=0; n_x<x_size; n_x++ ){
calc_dt_kernel_get( p_a0 + n_x*1 + n_y*xdim0_calc_dt_kernel_get*0,
p_a1 + n_x*0 + n_y*xdim1_calc_dt_kernel_get*1, &p_a2_l,
&p_a3_l );
}
}
*p_a2 = p_a2_l;
*p_a3 = p_a3_l;
}
// host stub function
void ops_par_loop_calc_dt_kernel_get(char const *name, ops_block block, int dim,
int *range, ops_arg arg0, ops_arg arg1,
ops_arg arg2, ops_arg arg3, ops_arg arg4,
ops_arg arg5) {
// Timing
double t1, t2, c1, c2;
int offs[6][3];
ops_arg args[6] = {arg0, arg1, arg2, arg3, arg4, arg5};
#ifdef CHECKPOINTING
if (!ops_checkpointing_before(args, 6, range, 100))
return;
#endif
if (OPS_diags > 1) {
ops_timing_realloc(100, "calc_dt_kernel_get");
OPS_kernels[100].count++;
ops_timers_core(&c1, &t1);
}
#ifdef OPS_MPI
sub_block_list sb = OPS_sub_block_list[block->index];
#endif
// compute locally allocated range for the sub-block
int start[3];
int end[3];
int arg_idx[3];
#ifdef OPS_MPI
if (!sb->owned)
return;
for (int n = 0; n < 3; n++) {
start[n] = sb->decomp_disp[n];
end[n] = sb->decomp_disp[n] + sb->decomp_size[n];
if (start[n] >= range[2 * n]) {
start[n] = 0;
} else {
start[n] = range[2 * n] - start[n];
}
if (sb->id_m[n] == MPI_PROC_NULL && range[2 * n] < 0)
start[n] = range[2 * n];
if (end[n] >= range[2 * n + 1]) {
end[n] = range[2 * n + 1] - sb->decomp_disp[n];
} else {
end[n] = sb->decomp_size[n];
}
if (sb->id_p[n] == MPI_PROC_NULL &&
(range[2 * n + 1] > sb->decomp_disp[n] + sb->decomp_size[n]))
end[n] += (range[2 * n + 1] - sb->decomp_disp[n] - sb->decomp_size[n]);
if (end[n] < start[n])
end[n] = start[n];
}
#else
for (int n = 0; n < 3; n++) {
start[n] = range[2 * n];
end[n] = range[2 * n + 1];
}
#endif
#ifdef OPS_DEBUG
ops_register_args(args, "calc_dt_kernel_get");
#endif
offs[0][0] = args[0].stencil->stride[0] * 1; // unit step in x dimension
offs[0][1] =
off3D(1, &start[0], &end[0], args[0].dat->size, args[0].stencil->stride) -
offs[0][0];
offs[0][2] =
off3D(2, &start[0], &end[0], args[0].dat->size, args[0].stencil->stride) -
offs[0][1] - offs[0][0];
offs[1][0] = args[1].stencil->stride[0] * 1; // unit step in x dimension
offs[1][1] =
off3D(1, &start[0], &end[0], args[1].dat->size, args[1].stencil->stride) -
offs[1][0];
offs[1][2] =
off3D(2, &start[0], &end[0], args[1].dat->size, args[1].stencil->stride) -
offs[1][1] - offs[1][0];
offs[4][0] = args[4].stencil->stride[0] * 1; // unit step in x dimension
offs[4][1] =
off3D(1, &start[0], &end[0], args[4].dat->size, args[4].stencil->stride) -
offs[4][0];
offs[4][2] =
off3D(2, &start[0], &end[0], args[4].dat->size, args[4].stencil->stride) -
offs[4][1] - offs[4][0];
int off0_0 = offs[0][0];
int off0_1 = offs[0][1];
int off0_2 = offs[0][2];
int dat0 = (OPS_soa ? args[0].dat->type_size : args[0].dat->elem_size);
int off1_0 = offs[1][0];
int off1_1 = offs[1][1];
int off1_2 = offs[1][2];
int dat1 = (OPS_soa ? args[1].dat->type_size : args[1].dat->elem_size);
int off4_0 = offs[4][0];
int off4_1 = offs[4][1];
int off4_2 = offs[4][2];
int dat4 = (OPS_soa ? args[4].dat->type_size : args[4].dat->elem_size);
#ifdef OPS_MPI
double *arg2h =
(double *)(((ops_reduction)args[2].data)->data +
((ops_reduction)args[2].data)->size * block->index);
#else
double *arg2h = (double *)(((ops_reduction)args[2].data)->data);
#endif
#ifdef OPS_MPI
double *arg3h =
(double *)(((ops_reduction)args[3].data)->data +
((ops_reduction)args[3].data)->size * block->index);
#else
double *arg3h = (double *)(((ops_reduction)args[3].data)->data);
#endif
#ifdef OPS_MPI
double *arg5h =
(double *)(((ops_reduction)args[5].data)->data +
((ops_reduction)args[5].data)->size * block->index);
#else
double *arg5h = (double *)(((ops_reduction)args[5].data)->data);
#endif
// Halo Exchanges
ops_H_D_exchanges_host(args, 6);
ops_halo_exchanges(args, 6, range);
ops_H_D_exchanges_host(args, 6);
#ifdef _OPENMP
int nthreads = omp_get_max_threads();
#else
int nthreads = 1;
#endif
// allocate and initialise arrays for global reduction
// assumes a max of MAX_REDUCT_THREADS threads with a cacche line size of 64
// bytes
double arg_gbl2[MAX(1, 64) * MAX_REDUCT_THREADS];
double arg_gbl3[MAX(1, 64) * MAX_REDUCT_THREADS];
double arg_gbl5[MAX(1, 64) * MAX_REDUCT_THREADS];
for (int thr = 0; thr < nthreads; thr++) {
for (int d = 0; d < 1; d++) {
arg_gbl2[d + 64 * thr] = ZERO_double;
}
for (int d = 0; d < 1; d++) {
arg_gbl3[d + 64 * thr] = ZERO_double;
}
for (int d = 0; d < 1; d++) {
arg_gbl5[d + 64 * thr] = ZERO_double;
}
}
xdim0 = args[0].dat->size[0];
ydim0 = args[0].dat->size[1];
xdim1 = args[1].dat->size[0];
ydim1 = args[1].dat->size[1];
xdim4 = args[4].dat->size[0];
ydim4 = args[4].dat->size[1];
if (OPS_diags > 1) {
ops_timers_core(&c2, &t2);
OPS_kernels[100].mpi_time += t2 - t1;
}
#pragma omp parallel for
for (int thr = 0; thr < nthreads; thr++) {
int z_size = end[2] - start[2];
char *p_a[6];
int start_i = start[2] + ((z_size - 1) / nthreads + 1) * thr;
int finish_i =
start[2] + MIN(((z_size - 1) / nthreads + 1) * (thr + 1), z_size);
// get address per thread
int start0 = start[0];
int start1 = start[1];
int start2 = start_i;
// set up initial pointers
int d_m[OPS_MAX_DIM];
#ifdef OPS_MPI
for (int d = 0; d < dim; d++)
d_m[d] =
args[0].dat->d_m[d] + OPS_sub_dat_list[args[0].dat->index]->d_im[d];
#else
for (int d = 0; d < dim; d++)
d_m[d] = args[0].dat->d_m[d];
#endif
int base0 = dat0 * 1 * (start0 * args[0].stencil->stride[0] -
args[0].dat->base[0] - d_m[0]);
base0 = base0 +
dat0 * args[0].dat->size[0] * (start1 * args[0].stencil->stride[1] -
args[0].dat->base[1] - d_m[1]);
base0 = base0 +
dat0 * args[0].dat->size[0] * args[0].dat->size[1] *
(start2 * args[0].stencil->stride[2] - args[0].dat->base[2] -
d_m[2]);
p_a[0] = (char *)args[0].data + base0;
#ifdef OPS_MPI
for (int d = 0; d < dim; d++)
d_m[d] =
args[1].dat->d_m[d] + OPS_sub_dat_list[args[1].dat->index]->d_im[d];
#else
for (int d = 0; d < dim; d++)
d_m[d] = args[1].dat->d_m[d];
#endif
int base1 = dat1 * 1 * (start0 * args[1].stencil->stride[0] -
args[1].dat->base[0] - d_m[0]);
base1 = base1 +
dat1 * args[1].dat->size[0] * (start1 * args[1].stencil->stride[1] -
args[1].dat->base[1] - d_m[1]);
base1 = base1 +
dat1 * args[1].dat->size[0] * args[1].dat->size[1] *
(start2 * args[1].stencil->stride[2] - args[1].dat->base[2] -
d_m[2]);
p_a[1] = (char *)args[1].data + base1;
p_a[2] = (char *)arg2h;
p_a[3] = (char *)arg3h;
#ifdef OPS_MPI
for (int d = 0; d < dim; d++)
d_m[d] =
args[4].dat->d_m[d] + OPS_sub_dat_list[args[4].dat->index]->d_im[d];
#else
for (int d = 0; d < dim; d++)
d_m[d] = args[4].dat->d_m[d];
#endif
int base4 = dat4 * 1 * (start0 * args[4].stencil->stride[0] -
args[4].dat->base[0] - d_m[0]);
base4 = base4 +
dat4 * args[4].dat->size[0] * (start1 * args[4].stencil->stride[1] -
args[4].dat->base[1] - d_m[1]);
base4 = base4 +
dat4 * args[4].dat->size[0] * args[4].dat->size[1] *
(start2 * args[4].stencil->stride[2] - args[4].dat->base[2] -
d_m[2]);
p_a[4] = (char *)args[4].data + base4;
p_a[5] = (char *)arg5h;
for (int n_z = start_i; n_z < finish_i; n_z++) {
for (int n_y = start[1]; n_y < end[1]; n_y++) {
for (int n_x = start[0];
n_x < start[0] + (end[0] - start[0]) / SIMD_VEC; n_x++) {
// call kernel function, passing in pointers to data -vectorised
for (int i = 0; i < SIMD_VEC; i++) {
calc_dt_kernel_get((const double *)p_a[0] + i * 1 * 1,
(const double *)p_a[1] + i * 0 * 1,
&arg_gbl2[64 * thr], &arg_gbl3[64 * thr],
(const double *)p_a[4] + i * 0 * 1,
&arg_gbl5[64 * thr]);
}
// shift pointers to data x direction
p_a[0] = p_a[0] + (dat0 * off0_0) * SIMD_VEC;
p_a[1] = p_a[1] + (dat1 * off1_0) * SIMD_VEC;
p_a[4] = p_a[4] + (dat4 * off4_0) * SIMD_VEC;
}
for (int n_x = start[0] + ((end[0] - start[0]) / SIMD_VEC) * SIMD_VEC;
n_x < end[0]; n_x++) {
// call kernel function, passing in pointers to data - remainder
calc_dt_kernel_get((const double *)p_a[0], (const double *)p_a[1],
&arg_gbl2[64 * thr], &arg_gbl3[64 * thr],
(const double *)p_a[4], &arg_gbl5[64 * thr]);
// shift pointers to data x direction
p_a[0] = p_a[0] + (dat0 * off0_0);
p_a[1] = p_a[1] + (dat1 * off1_0);
p_a[4] = p_a[4] + (dat4 * off4_0);
}
// shift pointers to data y direction
p_a[0] = p_a[0] + (dat0 * off0_1);
p_a[1] = p_a[1] + (dat1 * off1_1);
p_a[4] = p_a[4] + (dat4 * off4_1);
}
// shift pointers to data z direction
p_a[0] = p_a[0] + (dat0 * off0_2);
p_a[1] = p_a[1] + (dat1 * off1_2);
p_a[4] = p_a[4] + (dat4 * off4_2);
}
}
if (OPS_diags > 1) {
ops_timers_core(&c1, &t1);
OPS_kernels[100].time += t1 - t2;
}
// combine reduction data
for (int thr = 0; thr < nthreads; thr++) {
for (int d = 0; d < 1; d++) {
arg2h[d] += arg_gbl2[64 * thr + d];
}
for (int d = 0; d < 1; d++) {
arg3h[d] += arg_gbl3[64 * thr + d];
}
for (int d = 0; d < 1; d++) {
arg5h[d] += arg_gbl5[64 * thr + d];
}
}
ops_set_dirtybit_host(args, 6);
if (OPS_diags > 1) {
// Update kernel record
ops_timers_core(&c2, &t2);
OPS_kernels[100].mpi_time += t2 - t1;
OPS_kernels[100].transfer += ops_compute_transfer(dim, start, end, &arg0);
OPS_kernels[100].transfer += ops_compute_transfer(dim, start, end, &arg1);
OPS_kernels[100].transfer += ops_compute_transfer(dim, start, end, &arg4);
}
}
