| 1 | // -------------------------------------------------------------------------- |
| 2 | // |
| 3 | // Copyright |
| 4 | // Markus Wittmann, 2016-2017 |
| 5 | // RRZE, University of Erlangen-Nuremberg, Germany |
| 6 | // markus.wittmann -at- fau.de or hpc -at- rrze.fau.de |
| 7 | // |
| 8 | // Viktor Haag, 2016 |
| 9 | // LSS, University of Erlangen-Nuremberg, Germany |
| 10 | // |
| 11 | // This file is part of the Lattice Boltzmann Benchmark Kernels (LbmBenchKernels). |
| 12 | // |
| 13 | // LbmBenchKernels is free software: you can redistribute it and/or modify |
| 14 | // it under the terms of the GNU General Public License as published by |
| 15 | // the Free Software Foundation, either version 3 of the License, or |
| 16 | // (at your option) any later version. |
| 17 | // |
| 18 | // LbmBenchKernels is distributed in the hope that it will be useful, |
| 19 | // but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 20 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 21 | // GNU General Public License for more details. |
| 22 | // |
| 23 | // You should have received a copy of the GNU General Public License |
| 24 | // along with LbmBenchKernels. If not, see <http://www.gnu.org/licenses/>. |
| 25 | // |
| 26 | // -------------------------------------------------------------------------- |
| 27 | #ifndef __BENCH_KERNEL_D3Q19_COMMON_H__ |
| 28 | #define __BENCH_KERNEL_D3Q19_COMMON_H__ |
| 29 | |
| 30 | #include "Kernel.h" |
| 31 | |
| 32 | typedef struct KernelDataEx_ |
| 33 | { |
| 34 | KernelData kd; |
| 35 | int Blk[3]; // Blocking in X, Y, and Z direction, value of 0 disables blocking. |
| 36 | } KernelDataEx; |
| 37 | |
| 38 | |
| 39 | // Build a function name extended by the propagation model name and the data layout. |
| 40 | // FNANEM(test) will be expanded to test_PushSoA if DATA_LAYOUT_NAME is defined |
| 41 | // as SoA and PROP_MODEL is defined as Push. |
| 42 | #define FNAME(functionName) JOIN(JOIN(functionName,_),JOIN(PROP_MODEL_NAME,DATA_LAYOUT_NAME)) |
| 43 | |
| 44 | #ifndef DATA_LAYOUT_NAME |
| 45 | #error DATA_LAYOUT_NAME must be defined |
| 46 | #endif |
| 47 | |
| 48 | #ifndef PROP_MODEL_NAME |
| 49 | #error PROP_MODEL_NAME must be defined |
| 50 | #endif |
| 51 | |
| 52 | // ----------------------------------------------------------------------- |
| 53 | // Index function for accesssing PDF array for different data layouts. |
| 54 | |
| 55 | #define P_INDEX_5 FNAME(PINDEX5) |
| 56 | |
| 57 | static inline int FNAME(PINDEX5)(int dims[3], int x, int y, int z, int d) |
| 58 | { |
| 59 | Assert(dims[0] > 0); |
| 60 | Assert(dims[1] > 0); |
| 61 | Assert(dims[2] > 0); |
| 62 | |
| 63 | Assert(x >= 0); |
| 64 | Assert(x < dims[0]); |
| 65 | Assert(y >= 0); |
| 66 | Assert(y < dims[1]); |
| 67 | Assert(z >= 0); |
| 68 | Assert(z < dims[2]); |
| 69 | Assert(d >= 0); |
| 70 | #ifdef D3Q19 |
| 71 | Assert(d < N_D3Q19); |
| 72 | #else |
| 73 | #error Not implemented for this discretization. |
| 74 | #endif |
| 75 | |
| 76 | #ifdef DATA_LAYOUT_SOA |
| 77 | return d * dims[0] * dims[1] * dims[2] + x * dims[1] * dims[2] + y * dims[2] + z; |
| 78 | #elif DATA_LAYOUT_AOS |
| 79 | return x * dims[1] * dims[2] * N_D3Q19 + y * dims[2] * N_D3Q19 + z * N_D3Q19 + d; |
| 80 | #else |
| 81 | #error P_INDEX_5 function no implemented for chosen data layout. |
| 82 | #endif |
| 83 | } |
| 84 | |
| 85 | #endif // __BENCH_KERNEL_D3Q19_COMMON_H__ |
| 86 | |