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Evghenii
2013-11-18 11:58:19 +01:00
parent 4d278a654e
commit 8d4dd13750
38 changed files with 5481 additions and 4073 deletions
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12
examples_cuda/stencil/stencil_parallel.cpp
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@@ -37,8 +37,8 @@ stencil_step(int x0, int x1,
int y0, int y1,
int z0, int z1,
int Nx, int Ny, int Nz,
const float coef[4], const float vsq[],
const float Ain[], float Aout[]) {
const double coef[4], const double vsq[],
const double Ain[], double Aout[]) {
int Nxy = Nx * Ny;
#pragma omp parallel for
@@ -48,7 +48,7 @@ stencil_step(int x0, int x1,
int index = (z * Nxy) + (y * Nx) + x;
#define A_cur(x, y, z) Ain[index + (x) + ((y) * Nx) + ((z) * Nxy)]
#define A_next(x, y, z) Aout[index + (x) + ((y) * Nx) + ((z) * Nxy)]
float div = coef[0] * A_cur(0, 0, 0) +
double div = coef[0] * A_cur(0, 0, 0) +
coef[1] * (A_cur(+1, 0, 0) + A_cur(-1, 0, 0) +
A_cur(0, +1, 0) + A_cur(0, -1, 0) +
A_cur(0, 0, +1) + A_cur(0, 0, -1)) +
@@ -72,9 +72,9 @@ void loop_stencil_parallel(int t0, int t1,
int y0, int y1,
int z0, int z1,
int Nx, int Ny, int Nz,
const float coef[4],
const float vsq[],
float Aeven[], float Aodd[])
const double coef[4],
const double vsq[],
double Aeven[], double Aodd[])
{
for (int t = t0; t < t1; ++t) {
if ((t & 1) == 0)