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Refactoring

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This commit is contained in:
André R. Brodtkorb
2018-11-01 20:43:28 +01:00
parent 2b899d1c80
commit d9eb72d78c
6 changed files with 220 additions and 221 deletions
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40
GPUSimulators/cuda/limiters.h
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@@ -47,21 +47,15 @@ __device__ __inline__ float minmodSlope(float left, float center, float right, f
* Reconstructs a minmod slope for a whole block along the abscissa
*/
template<int block_width, int block_height, int ghost_cells, int vars>
__device__ void minmodSlopeX(float Q[vars][block_height+2*ghost_cells][block_width+2*ghost_cells],
float Qx[vars][block_height+2*(ghost_cells-1)][block_width+2*(ghost_cells-1)],
__device__ void minmodSlopeX(float Q[vars][block_height+2*ghost_cells][block_width+2*ghost_cells],
float Qx[vars][block_height+2*ghost_cells][block_width+2*ghost_cells],
const float theta_) {
//Index of thread within block
const int tx = threadIdx.x;
const int ty = threadIdx.y;
const int j = ty;
const int l = j + ghost_cells; //Skip ghost cells
//Reconstruct slopes along x axis
for (int i=tx; i<block_width+2*(ghost_cells-1); i+=block_width) {
const int k = i + 1;
for (int p=0; p<vars; ++p) {
Qx[p][j][i] = minmodSlope(Q[p][l][k-1], Q[p][l][k], Q[p][l][k+1], theta_);
for (int p=0; p<vars; ++p) {
for (int j=threadIdx.y; j<block_height+2*ghost_cells; j+=block_height) {
for (int i=threadIdx.x+1; i<block_width+3; i+=block_width) {
Qx[p][j][i] = minmodSlope(Q[p][j][i-1], Q[p][j][i], Q[p][j][i+1], theta_);
}
}
}
}
@@ -71,21 +65,15 @@ __device__ void minmodSlopeX(float Q[vars][block_height+2*ghost_cells][block_wi
* Reconstructs a minmod slope for a whole block along the ordinate
*/
template<int block_width, int block_height, int ghost_cells, int vars>
__device__ void minmodSlopeY(float Q[vars][block_height+2*ghost_cells][block_width+2*ghost_cells],
float Qy[vars][block_height+2*(ghost_cells-1)][block_width+2*(ghost_cells-1)],
__device__ void minmodSlopeY(float Q[vars][block_height+2*ghost_cells][block_width+2*ghost_cells],
float Qy[vars][block_height+2*ghost_cells][block_width+2*ghost_cells],
const float theta_) {
//Index of thread within block
const int tx = threadIdx.x;
const int ty = threadIdx.y;
const int i = tx;
const int k = i + ghost_cells; //Skip ghost cells
//Reconstruct slopes along y axis
for (int j=ty; j<block_height+2*(ghost_cells-1); j+=block_height) {
const int l = j + 1;
for (int p=0; p<vars; ++p) {
Qy[p][j][i] = minmodSlope(Q[p][l-1][k], Q[p][l][k], Q[p][l+1][k], theta_);
for (int p=0; p<vars; ++p) {
for (int j=threadIdx.y+1; j<block_height+3; j+=block_height) {
for (int i=threadIdx.x; i<block_width+2*ghost_cells; i+=block_width) {
Qy[p][j][i] = minmodSlope(Q[p][j-1][i], Q[p][j][i], Q[p][j+1][i], theta_);
}
}
}
}