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Refactoring

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This commit is contained in:
André R. Brodtkorb
2018-11-01 21:34:53 +01:00
parent d9eb72d78c
commit 0671bd747a
6 changed files with 178 additions and 212 deletions
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37
GPUSimulators/cuda/SWE2D_KP07.cu
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@@ -96,6 +96,39 @@ void computeFluxG(float Q[3][BLOCK_HEIGHT+4][BLOCK_WIDTH+4],
__device__ void minmodSlopeX(float Q[3][BLOCK_HEIGHT+4][BLOCK_WIDTH+4],
float Qx[3][BLOCK_HEIGHT+2][BLOCK_WIDTH+2],
const float theta_) {
//Reconstruct slopes along x axis
for (int p=0; p<3; ++p) {
{
const int j = threadIdx.y+2;
for (int i=threadIdx.x+1; i<BLOCK_WIDTH+3; i+=BLOCK_WIDTH) {
Qx[p][j-2][i-1] = minmodSlope(Q[p][j][i-1], Q[p][j][i], Q[p][j][i+1], theta_);
}
}
}
}
/**
* Reconstructs a minmod slope for a whole block along the ordinate
*/
__device__ void minmodSlopeY(float Q[3][BLOCK_HEIGHT+4][BLOCK_WIDTH+4],
float Qy[3][BLOCK_HEIGHT+2][BLOCK_WIDTH+2],
const float theta_) {
//Reconstruct slopes along y axis
for (int p=0; p<3; ++p) {
const int i = threadIdx.x + 2;
for (int j=threadIdx.y+1; j<BLOCK_HEIGHT+3; j+=BLOCK_HEIGHT) {
{
Qy[p][j-1][i-2] = minmodSlope(Q[p][j-1][i], Q[p][j][i], Q[p][j+1][i], theta_);
}
}
}
}
/**
* This unsplit kernel computes the 2D numerical scheme with a TVD RK2 time integration scheme
*/
@@ -159,8 +192,8 @@ __global__ void KP07Kernel(
//Reconstruct slopes along x and axis
minmodSlopeX<w, h, gc, vars>(Q, Qx, theta_);
minmodSlopeY<w, h, gc, vars>(Q, Qy, theta_);
minmodSlopeX(Q, Qx, theta_);
minmodSlopeY(Q, Qy, theta_);
__syncthreads();