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tdecrease porosity control volume radius for speedup - sphere - GPU-based 3D di… |
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git clone git://src.adamsgaard.dk/sphere |
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--- |
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commit 3fb22ab2e5449c3004c500252975c65e9f4cd57a |
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parent 593fb8fe62895e72ad23dcf3134d528e143d43a3 |
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Author: Anders Damsgaard <[email protected]> |
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Date: Fri, 7 Nov 2014 13:08:26 +0100 |
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decrease porosity control volume radius for speedup |
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Diffstat: |
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M src/darcy.cuh | 16 ++++++++-------- |
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1 file changed, 8 insertions(+), 8 deletions(-) |
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--- |
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diff --git a/src/darcy.cuh b/src/darcy.cuh |
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t@@ -269,8 +269,8 @@ __global__ void findDarcyPorosities( |
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const Float dz = devC_grid.L[2]/nz; |
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// Cell sphere radius |
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- //const Float R = fmin(dx, fmin(dy,dz)) * 0.5; // diameter = cell width |
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- const Float R = fmin(dx, fmin(dy,dz)); // diameter = 2*cell width |
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+ const Float R = fmin(dx, fmin(dy,dz)) * 0.5; // diameter = cell width |
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+ //const Float R = fmin(dx, fmin(dy,dz)); // diameter = 2*cell width |
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const Float cell_volume = 4.0/3.0*M_PI*R*R*R; |
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Float void_volume = cell_volume; |
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t@@ -311,14 +311,14 @@ __global__ void findDarcyPorosities( |
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unsigned int cellID, startIdx, endIdx, i; |
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// Iterate over 27 neighbor cells, R = cell width |
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- /*for (int z_dim=-1; z_dim<2; ++z_dim) // z-axis |
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- for (int y_dim=-1; y_dim<2; ++y_dim) // y-axis |
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- for (int x_dim=-1; x_dim<2; ++x_dim) // x-axis*/ |
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+ for (int z_dim=-1; z_dim<2; ++z_dim) { // z-axis |
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+ for (int y_dim=-1; y_dim<2; ++y_dim) { // y-axis |
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+ for (int x_dim=-1; x_dim<2; ++x_dim) { // x-axis |
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- // Iterate over 27 neighbor cells, R = 2*cell width |
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- for (int z_dim=-2; z_dim<3; ++z_dim) { // z-axis |
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+ // Iterate over 125 neighbor cells, R = 2*cell width |
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+ /*for (int z_dim=-2; z_dim<3; ++z_dim) { // z-axis |
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for (int y_dim=-2; y_dim<3; ++y_dim) { // y-axis |
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- for (int x_dim=-2; x_dim<3; ++x_dim) { // x-axis |
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+ for (int x_dim=-2; x_dim<3; ++x_dim) { // x-axis*/ |
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// Index of neighbor cell this iteration is looking at |
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targetCell = gridPos + make_int3(x_dim, y_dim, z_dim); |
