X-Git-Url: http://git.rrze.uni-erlangen.de/gitweb/?p=LbmBenchmarkKernelsPublic.git;a=blobdiff_plain;f=src%2FBenchKernelD3Q19ListCommon.c;h=f66e379a8c8d699d8bb598b1a59f2e4b56d28f4e;hp=4f97bae167bdf4b12c2b907d6b4d70fdba30b482;hb=e3f82424829ebb623343ce0092238f83b4a1b8c2;hpb=ecf590ae9bb13ba2b2f01c3bf7a53056a8b1467b diff --git a/src/BenchKernelD3Q19ListCommon.c b/src/BenchKernelD3Q19ListCommon.c index 4f97bae..f66e379 100644 --- a/src/BenchKernelD3Q19ListCommon.c +++ b/src/BenchKernelD3Q19ListCommon.c @@ -28,6 +28,7 @@ #include "Memory.h" #include "Vtk.h" +#include "Padding.h" #include @@ -200,15 +201,19 @@ static void ParameterUsage() { printf("Kernel parameters:\n"); printf(" [-blk ] [-blk-[xyz] ]\n"); +#ifdef DATA_LAYOUT_SOA + printf(" [-pad auto|modulus_1+offset_1(,modulus_n+offset_n)*]\n"); +#endif return; } -static void ParseParameters(Parameters * params, int * blk) +static void ParseParameters(Parameters * params, int * blk, PadInfo ** padInfo) { Assert(blk != NULL); blk[0] = 0; blk[1] = 0; blk[2] = 0; + *padInfo = NULL; #define ARG_IS(param) (!strcmp(params->KernelArgs[i], param)) #define NEXT_ARG_PRESENT() \ @@ -226,8 +231,8 @@ static void ParseParameters(Parameters * params, int * blk) int tmp = strtol(params->KernelArgs[++i], NULL, 0); - if (tmp <= 0) { - printf("ERROR: blocking parameter must be > 0.\n"); + if (tmp < 0) { + printf("ERROR: blocking parameter must be >= 0.\n"); exit(1); } @@ -238,8 +243,8 @@ static void ParseParameters(Parameters * params, int * blk) int tmp = strtol(params->KernelArgs[++i], NULL, 0); - if (tmp <= 0) { - printf("ERROR: blocking parameter must be > 0.\n"); + if (tmp < 0) { + printf("ERROR: blocking parameter must be >= 0.\n"); exit(1); } @@ -250,8 +255,8 @@ static void ParseParameters(Parameters * params, int * blk) int tmp = strtol(params->KernelArgs[++i], NULL, 0); - if (tmp <= 0) { - printf("ERROR: blocking parameter must be > 0.\n"); + if (tmp < 0) { + printf("ERROR: blocking parameter must be >= 0.\n"); exit(1); } @@ -262,8 +267,8 @@ static void ParseParameters(Parameters * params, int * blk) int tmp = strtol(params->KernelArgs[++i], NULL, 0); - if (tmp <= 0) { - printf("ERROR: blocking parameter must be > 0.\n"); + if (tmp < 0) { + printf("ERROR: blocking parameter must be >= 0.\n"); exit(1); } @@ -273,6 +278,13 @@ static void ParseParameters(Parameters * params, int * blk) ParameterUsage(); exit(1); } +#ifdef DATA_LAYOUT_SOA + else if (ARG_IS("-pad") || ARG_IS("--pad")) { + NEXT_ARG_PRESENT(); + + *padInfo = PadInfoFromStr(params->KernelArgs[++i]); + } +#endif else { printf("ERROR: unknown kernel parameter.\n"); ParameterUsage(); @@ -324,6 +336,12 @@ void FNAME(D3Q19ListInit)(LatticeDesc * ld, KernelData ** kernelData, Parameters kdl->nFluid = -1; #endif + int blk[3] = { 0 }; + PadInfo * padInfo = NULL; + + ParseParameters(params, blk, &padInfo); + + // Ajust the dimensions according to padding, if used. kd->Dims[0] = kd->GlobalDims[0] = ld->Dims[0]; kd->Dims[1] = kd->GlobalDims[1] = ld->Dims[1]; @@ -336,18 +354,21 @@ void FNAME(D3Q19ListInit)(LatticeDesc * ld, KernelData ** kernelData, Parameters int lZ = lDims[2]; int nTotalCells = lX * lY * lZ; - int nCells = ld->nFluid; // TODO: + padding + int nCells = ld->nFluid; int nFluid = ld->nFluid; +#ifdef DATA_LAYOUT_SOA + { + nCells = PadCellsAndReport(nCells, sizeof(PdfT), &padInfo); + PadInfoFree(padInfo); padInfo = NULL; + } +#endif + kdl->nCells = nCells; kdl->nFluid = nFluid; PdfT * pdfs[2]; - int blk[3] = { 0 }; - - ParseParameters(params, blk); - if (blk[0] == 0) blk[0] = lX; if (blk[1] == 0) blk[1] = lY; if (blk[2] == 0) blk[2] = lZ; @@ -425,18 +446,17 @@ void FNAME(D3Q19ListInit)(LatticeDesc * ld, KernelData ** kernelData, Parameters // Blocking is implemented via setup of the adjacency list. The kernel later will // walk through the lattice blocked automatically. - for (int bZ = 0; bZ < lZ; bZ += blk[2]) { - for (int bY = 0; bY < lY; bY += blk[1]) { for (int bX = 0; bX < lX; bX += blk[0]) { + for (int bY = 0; bY < lY; bY += blk[1]) { + for (int bZ = 0; bZ < lZ; bZ += blk[2]) { int eX = MIN(bX + blk[0], lX); int eY = MIN(bY + blk[1], lY); int eZ = MIN(bZ + blk[2], lZ); - - for (int z = bZ; z < eZ; ++z) { - for (int y = bY; y < eY; ++y) { for (int x = bX; x < eX; ++x) { + for (int y = bY; y < eY; ++y) { + for (int z = bZ; z < eZ; ++z) { latticeIndex = L_INDEX_4(lDims, x, y, z); @@ -474,7 +494,15 @@ void FNAME(D3Q19ListInit)(LatticeDesc * ld, KernelData ** kernelData, Parameters // Loop over all fluid nodes and compute the indices to the neighboring // PDFs for configured data layout (AoS/SoA). - // TODO: Parallelized loop to ensure correct NUMA placement. + #ifdef _OPENMP + #pragma omp parallel for + #endif + for (int index = 0; index < nFluid; ++index) { + for (int d = 0; d < N_D3Q19_IDX; ++d) { + adjList[index * N_D3Q19_IDX + d] = -1; + } + } + // #ifdef _OPENMP --> add line continuation // #pragma omp parallel for default(none) // shared(nFluid, nCells, coords, D3Q19_INV, D3Q19_X, D3Q19_Y, D3Q19_Z,