// 1/12: removes third-order advection error (best advection);
// 1/ 6: removes fourth-order diffusion error (best diffusion);
// 3/16: exact location of bounce back for poiseuille flow
- PdfT magicParam = 1.0 / 12.0;
- PdfT omegaOdd = 1.0 / (0.5 + magicParam / (1.0 / omega - 0.5));
+ PdfT magicParam = F(1.0) / F(12.0);
+ PdfT omegaOdd = F(1.0) / (F(0.5) + magicParam / (F(1.0) / omega - F(0.5)));
- PdfT evenPart = 0.0;
- PdfT oddPart = 0.0;
- PdfT dir_indep_trm = 0.0;
+ PdfT evenPart = F(0.0);
+ PdfT oddPart = F(0.0);
+ PdfT dir_indep_trm = F(0.0);
- const PdfT w_0 = 1.0 / 3.0;
- const PdfT w_1 = 1.0 / 18.0;
- const PdfT w_2 = 1.0 / 36.0;
+ const PdfT w_0 = F(1.0) / F(3.0);
+ const PdfT w_1 = F(1.0) / F(18.0);
+ const PdfT w_2 = F(1.0) / F(36.0);
- const PdfT w_1_x3 = w_1 * 3.0; const PdfT w_1_nine_half = w_1 * 9.0 / 2.0; PdfT w_1_indep = 0.0;
- const PdfT w_2_x3 = w_2 * 3.0; const PdfT w_2_nine_half = w_2 * 9.0 / 2.0; PdfT w_2_indep = 0.0;
+ const PdfT w_1_x3 = w_1 * F(3.0); const PdfT w_1_nine_half = w_1 * F(9.0) / F(2.0); PdfT w_1_indep = F(0.0);
+ const PdfT w_2_x3 = w_2 * F(3.0); const PdfT w_2_nine_half = w_2 * F(9.0) / F(2.0); PdfT w_2_indep = F(0.0);
PdfT ui;
KernelStatistics(kd, ld, cd, 0);
#endif
+ X_KERNEL_START(kernelData);
+
// TODO: outer openmp parallel
for(int iter = 0; iter < maxIterations; iter += 2) {
pdf_T, pdf_TN, pdf_TE, pdf_TS, pdf_TW, \
pdf_B, pdf_BN, pdf_BE, pdf_BS, pdf_BW)
#endif
- for (int index = 0; index < nFluid; ++index) {
+ #ifdef INTEL_OPT_DIRECTIVES
+ #pragma ivdep
+ #pragma vector always
+ #pragma simd
+ #endif
+ for (int index = 0; index < nFluid; ++index) { // LOOP list-aa-ria-even
#define I(index, dir) P_INDEX_3((nCells), (index), (dir))
int z = kdl->Coords[C_INDEX_Z(index)];
if (z == nZ - 4 && x > 3 && x < (nX - 4) && y > 3 && y < (nY - 4)) {
- ux = 0.1 * 0.577;
- uy = 0.0;
- uz = 0.0;
+ ux = F(0.1) * F(0.5)77;
+ uy = F(0.0);
+ uz = F(0.0);
} else {
#endif
ux = pdf_E + pdf_NE + pdf_SE + pdf_TE + pdf_BE -
pdf_T + pdf_TN + pdf_TE + pdf_TS + pdf_TW +
pdf_B + pdf_BN + pdf_BE + pdf_BS + pdf_BW;
- dir_indep_trm = dens - (ux * ux + uy * uy + uz * uz)*3.0/2.0;
+ dir_indep_trm = dens - (ux * ux + uy * uy + uz * uz)*F(3.0)/F(2.0);
// direction: w_0
src[I(index, D3Q19_C) ] = pdf_C - omegaEven*(pdf_C - w_0*dir_indep_trm);
w_1_indep = w_1*dir_indep_trm;
ui = uy;
- evenPart = omegaEven*( 0.5*(pdf_N + pdf_S) - ui*ui*w_1_nine_half - w_1_indep );
- oddPart = omegaOdd*(0.5*(pdf_N - pdf_S) - ui*w_1_x3 );
+ evenPart = omegaEven*( F(0.5)*(pdf_N + pdf_S) - ui*ui*w_1_nine_half - w_1_indep );
+ oddPart = omegaOdd*(F(0.5)*(pdf_N - pdf_S) - ui*w_1_x3 );
src[I(index, D3Q19_S)] = pdf_N - evenPart - oddPart;
src[I(index, D3Q19_N)] = pdf_S - evenPart + oddPart;
ui = ux;
- evenPart = omegaEven*( 0.5*(pdf_E + pdf_W) - ui*ui*w_1_nine_half - w_1_indep );
- oddPart = omegaOdd*(0.5*(pdf_E - pdf_W) - ui*w_1_x3 );
+ evenPart = omegaEven*( F(0.5)*(pdf_E + pdf_W) - ui*ui*w_1_nine_half - w_1_indep );
+ oddPart = omegaOdd*(F(0.5)*(pdf_E - pdf_W) - ui*w_1_x3 );
src[I(index, D3Q19_W)] = pdf_E - evenPart - oddPart;
src[I(index, D3Q19_E)] = pdf_W - evenPart + oddPart;
ui = uz;
- evenPart = omegaEven*( 0.5*(pdf_T + pdf_B) - ui*ui*w_1_nine_half - w_1_indep );
- oddPart = omegaOdd*(0.5*(pdf_T - pdf_B) - ui*w_1_x3 );
+ evenPart = omegaEven*( F(0.5)*(pdf_T + pdf_B) - ui*ui*w_1_nine_half - w_1_indep );
+ oddPart = omegaOdd*(F(0.5)*(pdf_T - pdf_B) - ui*w_1_x3 );
src[I(index, D3Q19_B)] = pdf_T - evenPart - oddPart;
src[I(index, D3Q19_T)] = pdf_B - evenPart + oddPart;
w_2_indep = w_2*dir_indep_trm;
ui = -ux + uy;
- evenPart = omegaEven*( 0.5*(pdf_NW + pdf_SE) - ui*ui*w_2_nine_half - w_2_indep );
- oddPart = omegaOdd*(0.5*(pdf_NW - pdf_SE) - ui*w_2_x3 );
+ evenPart = omegaEven*( F(0.5)*(pdf_NW + pdf_SE) - ui*ui*w_2_nine_half - w_2_indep );
+ oddPart = omegaOdd*(F(0.5)*(pdf_NW - pdf_SE) - ui*w_2_x3 );
src[I(index, D3Q19_SE)] = pdf_NW - evenPart - oddPart;
src[I(index, D3Q19_NW)] = pdf_SE - evenPart + oddPart;
ui = ux + uy;
- evenPart = omegaEven*( 0.5*(pdf_NE + pdf_SW) - ui*ui*w_2_nine_half - w_2_indep );
- oddPart = omegaOdd*(0.5*(pdf_NE - pdf_SW) - ui*w_2_x3 );
+ evenPart = omegaEven*( F(0.5)*(pdf_NE + pdf_SW) - ui*ui*w_2_nine_half - w_2_indep );
+ oddPart = omegaOdd*(F(0.5)*(pdf_NE - pdf_SW) - ui*w_2_x3 );
src[I(index, D3Q19_SW)] = pdf_NE - evenPart - oddPart;
src[I(index, D3Q19_NE)] = pdf_SW - evenPart + oddPart;
ui = -ux + uz;
- evenPart = omegaEven*( 0.5*(pdf_TW + pdf_BE) - ui*ui*w_2_nine_half - w_2_indep );
- oddPart = omegaOdd*(0.5*(pdf_TW - pdf_BE) - ui*w_2_x3 );
+ evenPart = omegaEven*( F(0.5)*(pdf_TW + pdf_BE) - ui*ui*w_2_nine_half - w_2_indep );
+ oddPart = omegaOdd*(F(0.5)*(pdf_TW - pdf_BE) - ui*w_2_x3 );
src[I(index, D3Q19_BE)] = pdf_TW - evenPart - oddPart;
src[I(index, D3Q19_TW)] = pdf_BE - evenPart + oddPart;
ui = ux + uz;
- evenPart = omegaEven*( 0.5*(pdf_TE + pdf_BW) - ui*ui*w_2_nine_half - w_2_indep );
- oddPart = omegaOdd*(0.5*(pdf_TE - pdf_BW) - ui*w_2_x3 );
+ evenPart = omegaEven*( F(0.5)*(pdf_TE + pdf_BW) - ui*ui*w_2_nine_half - w_2_indep );
+ oddPart = omegaOdd*(F(0.5)*(pdf_TE - pdf_BW) - ui*w_2_x3 );
src[I(index, D3Q19_BW)] = pdf_TE - evenPart - oddPart;
src[I(index, D3Q19_TE)] = pdf_BW - evenPart + oddPart;
ui = -uy + uz;
- evenPart = omegaEven*( 0.5*(pdf_TS + pdf_BN) - ui*ui*w_2_nine_half - w_2_indep );
- oddPart = omegaOdd*(0.5*(pdf_TS - pdf_BN) - ui*w_2_x3 );
+ evenPart = omegaEven*( F(0.5)*(pdf_TS + pdf_BN) - ui*ui*w_2_nine_half - w_2_indep );
+ oddPart = omegaOdd*(F(0.5)*(pdf_TS - pdf_BN) - ui*w_2_x3 );
src[I(index, D3Q19_BN)] = pdf_TS - evenPart - oddPart;
src[I(index, D3Q19_TS)] = pdf_BN - evenPart + oddPart;
ui = uy + uz;
- evenPart = omegaEven*( 0.5*(pdf_TN + pdf_BS) - ui*ui*w_2_nine_half - w_2_indep );
- oddPart = omegaOdd*(0.5*(pdf_TN - pdf_BS) - ui*w_2_x3 );
+ evenPart = omegaEven*( F(0.5)*(pdf_TN + pdf_BS) - ui*ui*w_2_nine_half - w_2_indep );
+ oddPart = omegaOdd*(F(0.5)*(pdf_TN - pdf_BS) - ui*w_2_x3 );
src[I(index, D3Q19_BS)] = pdf_TN - evenPart - oddPart;
src[I(index, D3Q19_TN)] = pdf_BS - evenPart + oddPart;
int indexStart = threadIndices[threadId];
int indexStop = threadIndices[threadId] + nFluidThread;
- for (int index = indexStart; index < indexStop; ++index) {
+ // Because of runlength coding iterations are not independent.
+ for (int index = indexStart; index < indexStop; ++index) { // LOOP list-aa-ria-odd
#define I(index, dir) P_INDEX_3((nCells), (index), (dir))
int z = kdl->Coords[C_INDEX_Z(index)];
if (z == nZ - 4 && x > 3 && x < (nX - 4) && y > 3 && y < (nY - 4)) {
- ux = 0.1 * 0.577;
- uy = 0.0;
- uz = 0.0;
+ ux = F(0.1) * F(0.5)77;
+ uy = F(0.0);
+ uz = F(0.0);
} else {
#endif
ux = pdf_E + pdf_NE + pdf_SE + pdf_TE + pdf_BE -
pdf_T + pdf_TN + pdf_TE + pdf_TS + pdf_TW +
pdf_B + pdf_BN + pdf_BE + pdf_BS + pdf_BW;
- dir_indep_trm = dens - (ux * ux + uy * uy + uz * uz)*3.0/2.0;
+ dir_indep_trm = dens - (ux * ux + uy * uy + uz * uz)*F(3.0)/F(2.0);
adjListIndex = index * N_D3Q19_IDX;
w_1_indep = w_1*dir_indep_trm;
ui = uy;
- evenPart = omegaEven*( 0.5*(pdf_N + pdf_S) - ui*ui*w_1_nine_half - w_1_indep );
- oddPart = omegaOdd*(0.5*(pdf_N - pdf_S) - ui*w_1_x3 );
+ evenPart = omegaEven*( F(0.5)*(pdf_N + pdf_S) - ui*ui*w_1_nine_half - w_1_indep );
+ oddPart = omegaOdd*(F(0.5)*(pdf_N - pdf_S) - ui*w_1_x3 );
*ppdf_S = pdf_N - evenPart - oddPart;
*ppdf_N = pdf_S - evenPart + oddPart;
ui = ux;
- evenPart = omegaEven*( 0.5*(pdf_E + pdf_W) - ui*ui*w_1_nine_half - w_1_indep );
- oddPart = omegaOdd*(0.5*(pdf_E - pdf_W) - ui*w_1_x3 );
+ evenPart = omegaEven*( F(0.5)*(pdf_E + pdf_W) - ui*ui*w_1_nine_half - w_1_indep );
+ oddPart = omegaOdd*(F(0.5)*(pdf_E - pdf_W) - ui*w_1_x3 );
*ppdf_W = pdf_E - evenPart - oddPart;
*ppdf_E = pdf_W - evenPart + oddPart;
ui = uz;
- evenPart = omegaEven*( 0.5*(pdf_T + pdf_B) - ui*ui*w_1_nine_half - w_1_indep );
- oddPart = omegaOdd*(0.5*(pdf_T - pdf_B) - ui*w_1_x3 );
+ evenPart = omegaEven*( F(0.5)*(pdf_T + pdf_B) - ui*ui*w_1_nine_half - w_1_indep );
+ oddPart = omegaOdd*(F(0.5)*(pdf_T - pdf_B) - ui*w_1_x3 );
*ppdf_B = pdf_T - evenPart - oddPart;
*ppdf_T = pdf_B - evenPart + oddPart;
w_2_indep = w_2*dir_indep_trm;
ui = -ux + uy;
- evenPart = omegaEven*( 0.5*(pdf_NW + pdf_SE) - ui*ui*w_2_nine_half - w_2_indep );
- oddPart = omegaOdd*(0.5*(pdf_NW - pdf_SE) - ui*w_2_x3 );
+ evenPart = omegaEven*( F(0.5)*(pdf_NW + pdf_SE) - ui*ui*w_2_nine_half - w_2_indep );
+ oddPart = omegaOdd*(F(0.5)*(pdf_NW - pdf_SE) - ui*w_2_x3 );
*ppdf_SE = pdf_NW - evenPart - oddPart;
*ppdf_NW = pdf_SE - evenPart + oddPart;
ui = ux + uy;
- evenPart = omegaEven*( 0.5*(pdf_NE + pdf_SW) - ui*ui*w_2_nine_half - w_2_indep );
- oddPart = omegaOdd*(0.5*(pdf_NE - pdf_SW) - ui*w_2_x3 );
+ evenPart = omegaEven*( F(0.5)*(pdf_NE + pdf_SW) - ui*ui*w_2_nine_half - w_2_indep );
+ oddPart = omegaOdd*(F(0.5)*(pdf_NE - pdf_SW) - ui*w_2_x3 );
*ppdf_SW = pdf_NE - evenPart - oddPart;
*ppdf_NE = pdf_SW - evenPart + oddPart;
ui = -ux + uz;
- evenPart = omegaEven*( 0.5*(pdf_TW + pdf_BE) - ui*ui*w_2_nine_half - w_2_indep );
- oddPart = omegaOdd*(0.5*(pdf_TW - pdf_BE) - ui*w_2_x3 );
+ evenPart = omegaEven*( F(0.5)*(pdf_TW + pdf_BE) - ui*ui*w_2_nine_half - w_2_indep );
+ oddPart = omegaOdd*(F(0.5)*(pdf_TW - pdf_BE) - ui*w_2_x3 );
*ppdf_BE = pdf_TW - evenPart - oddPart;
*ppdf_TW = pdf_BE - evenPart + oddPart;
ui = ux + uz;
- evenPart = omegaEven*( 0.5*(pdf_TE + pdf_BW) - ui*ui*w_2_nine_half - w_2_indep );
- oddPart = omegaOdd*(0.5*(pdf_TE - pdf_BW) - ui*w_2_x3 );
+ evenPart = omegaEven*( F(0.5)*(pdf_TE + pdf_BW) - ui*ui*w_2_nine_half - w_2_indep );
+ oddPart = omegaOdd*(F(0.5)*(pdf_TE - pdf_BW) - ui*w_2_x3 );
*ppdf_BW = pdf_TE - evenPart - oddPart;
*ppdf_TE = pdf_BW - evenPart + oddPart;
ui = -uy + uz;
- evenPart = omegaEven*( 0.5*(pdf_TS + pdf_BN) - ui*ui*w_2_nine_half - w_2_indep );
- oddPart = omegaOdd*(0.5*(pdf_TS - pdf_BN) - ui*w_2_x3 );
+ evenPart = omegaEven*( F(0.5)*(pdf_TS + pdf_BN) - ui*ui*w_2_nine_half - w_2_indep );
+ oddPart = omegaOdd*(F(0.5)*(pdf_TS - pdf_BN) - ui*w_2_x3 );
*ppdf_BN = pdf_TS - evenPart - oddPart;
*ppdf_TS = pdf_BN - evenPart + oddPart;
ui = uy + uz;
- evenPart = omegaEven*( 0.5*(pdf_TN + pdf_BS) - ui*ui*w_2_nine_half - w_2_indep );
- oddPart = omegaOdd*(0.5*(pdf_TN - pdf_BS) - ui*w_2_x3 );
+ evenPart = omegaEven*( F(0.5)*(pdf_TN + pdf_BS) - ui*ui*w_2_nine_half - w_2_indep );
+ oddPart = omegaOdd*(F(0.5)*(pdf_TN - pdf_BS) - ui*w_2_x3 );
*ppdf_BS = pdf_TN - evenPart - oddPart;
*ppdf_TN = pdf_BS - evenPart + oddPart;
} // for (int iter = 0; ...
+ X_KERNEL_END(kernelData);
+
#ifdef VTK_OUTPUT
if (cd->VtkOutput) {
kd->PdfsActive = src;
projects / LbmBenchmarkKernelsPublic.git / blobdiff