X-Git-Url: http://git.rrze.uni-erlangen.de/gitweb/?p=LbmBenchmarkKernelsPublic.git;a=blobdiff_plain;f=src%2FBenchKernelD3Q19ListAaCommon.h;fp=src%2FBenchKernelD3Q19ListAaCommon.h;h=11ec5ffc3398807abe7eb9bf2e5a15db6d56f147;hp=0000000000000000000000000000000000000000;hb=109880839321408644c94a34eb31208460b9f46d;hpb=42cf91486fb5c1ad178b3d21935a1be563e5fa39

diff --git a/src/BenchKernelD3Q19ListAaCommon.h b/src/BenchKernelD3Q19ListAaCommon.h
new file mode 100644
index 0000000..11ec5ff
--- /dev/null
+++ b/src/BenchKernelD3Q19ListAaCommon.h
@@ -0,0 +1,137 @@
+// --------------------------------------------------------------------------
+//
+// Copyright
+//   Markus Wittmann, 2016-2017
+//   RRZE, University of Erlangen-Nuremberg, Germany
+//   markus.wittmann -at- fau.de or hpc -at- rrze.fau.de
+//
+//   Viktor Haag, 2016
+//   LSS, University of Erlangen-Nuremberg, Germany
+//
+//  This file is part of the Lattice Boltzmann Benchmark Kernels (LbmBenchKernels).
+//
+//  LbmBenchKernels is free software: you can redistribute it and/or modify
+//  it under the terms of the GNU General Public License as published by
+//  the Free Software Foundation, either version 3 of the License, or
+//  (at your option) any later version.
+//
+//  LbmBenchKernels is distributed in the hope that it will be useful,
+//  but WITHOUT ANY WARRANTY; without even the implied warranty of
+//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//  GNU General Public License for more details.
+//
+//  You should have received a copy of the GNU General Public License
+//  along with LbmBenchKernels.  If not, see <http://www.gnu.org/licenses/>.
+//
+// --------------------------------------------------------------------------
+#ifndef __BENCH_KERNEL_D3Q19_LIST_AA_COMMON_H__
+#define __BENCH_KERNEL_D3Q19_LIST_AA_COMMON_H__
+
+
+#include "Kernel.h"
+
+#include <inttypes.h>
+
+#define N_D3Q19_IDX		18
+
+typedef struct KernelDataList_
+{
+	KernelData kd;
+	uint32_t * AdjList;	// Stores PDF indices, which are the destination for propagation.
+						// Determine the destination for node index n and direction d via:
+						// (n * N_D3Q19_IDX) + d
+	uint32_t * Grid;	// Stores the node indices; use L_INDEX_4 macro for access.
+	uint32_t * Coords;	// Map node indices to coordiantes; use C_INDEX_* macro for access.
+	int nFluid;			// Number of fluid nodes allocated, i.e. length of adjList * N_D3Q19_IDX.
+	int nCells;			// Total number of nodes allocated, including nodes for padding!
+	int Iteration;		// Current iteration, starts at 0.
+} KernelDataList;
+
+
+// Macro for casting KernelData * to KernelDataList *.
+#define KDL(_x_)	((KernelDataList *)(_x_))
+
+
+
+
+// Build a function name extended by the propagation model name and the data layout.
+// FNANEM(test) will be expanded to test_PushSoA if DATA_LAYOUT_NAME is defined
+// as SoA and PROP_MODEL is defined as Push.
+#define FNAME(functionName)	JOIN(JOIN(functionName,_),JOIN(PROP_MODEL_NAME,DATA_LAYOUT_NAME))
+
+#ifndef DATA_LAYOUT_NAME
+	#error DATA_LAYOUT_NAME must be defined
+#endif
+
+#ifndef PROP_MODEL_NAME
+	#error PROP_MODEL_NAME must be defined
+#endif
+
+// -----------------------------------------------------------------------
+// Index function for accesssing PDF array for different data layouts.
+
+#define P_INDEX_3		FNAME(PINDEX3)
+
+static inline int FNAME(PINDEX3)(int nCells, int cellIndex, int d)
+{
+	Assert(nCells > 0);
+	Assert(cellIndex >= 0);
+	Assert(cellIndex < nCells);
+
+	Assert(d >= 0);
+	#ifdef D3Q19
+		Assert(d < N_D3Q19);
+	#else
+		#error Not implemented for this discretization.
+	#endif
+
+#ifdef DATA_LAYOUT_SOA
+	return d * nCells + cellIndex;
+#elif  DATA_LAYOUT_AOS
+	return cellIndex * N_D3Q19 + d;
+#else
+	#error P_INDEX_3 function not implemented for chosen data layout.
+#endif
+}
+
+#define P_INDEX_5		FNAME(PINDEX5)
+
+static inline int FNAME(PINDEX5)(KernelDataList * kdl, int x, int y, int z, int d)
+{
+	Assert(kdl != NULL);
+#ifdef DEBUG
+	uint32_t * grid = kdl->Grid;
+	int * dims = kdl->kd.Dims;
+
+	Assert(grid != NULL);
+	Assert(dims != NULL);
+	Assert(dims[0] > 0);
+	Assert(dims[1] > 0);
+	Assert(dims[2] > 0);
+	Assert(x >= 0 && x < dims[0]);
+	Assert(y >= 0 && y < dims[1]);
+	Assert(z >= 0 && z < dims[2]);
+	Assert(d >= 0 && d < N_D3Q19);
+#endif
+
+	return P_INDEX_3(kdl->nCells, kdl->Grid[L_INDEX_4(kdl->kd.Dims, x, y, z)], d);
+}
+
+// -----------------------------------------------------------------------
+// Macros for accessing coord array
+
+#define C_INDEX_X(cellIndex)	C_INDEX(cellIndex, 0)
+#define C_INDEX_Y(cellIndex)	C_INDEX(cellIndex, 1)
+#define C_INDEX_Z(cellIndex)	C_INDEX(cellIndex, 2)
+
+static inline int C_INDEX(int cellIndex, int xyz)
+{
+	Assert(cellIndex >= 0);
+	Assert(xyz >= 0);
+	Assert(xyz < 3);
+
+	return cellIndex * 3 + xyz;
+}
+
+
+#endif // __BENCH_KERNEL_D3Q19_LIST_AA_COMMON_H__