initial upload

cuda/cuda_constants.cuh

@@ -0,0 +1,35 @@
+#ifndef CUDA_CONSTANTS_H
+#define CUDA_CONSTANTS_H
+
+#include <cuda_runtime.h>
+#include <cuda.h>
+
+#define CUSTOMREAL double // need here for cuda kernels
+#define MPI_CR     MPI_DOUBLE
+//#define CUSTOMREAL float // need here for cuda kernels
+//#define MPI_CR     MPI_FLOAT
+
+#define MPI_DUMMY_TAG_CUDA 9999
+
+// maximum grid dimension in one direction of GPU
+//#define MAXIMUM_GRID_DIM 65535
+
+#define CUDA_MAX_BLOCK_SIZE 1024
+#define CUDA_MAX_GRID_SIZE 65535
+#define CUDA_MAX_THREADS_PER_BLOCK 1024
+
+//#define CUDA_SWEEPING_BLOCK_SIZE 16 // s
+//#define CUDA_SWEEPING_BLOCK_SIZE 32 // 15.254 s
+//#define CUDA_SWEEPING_BLOCK_SIZE 64 // 15.281 s
+//#define CUDA_SWEEPING_BLOCK_SIZE 128 // 15.378 s
+//#define CUDA_SWEEPING_BLOCK_SIZE 256 //　s
+#define CUDA_SWEEPING_BLOCK_SIZE 512 //
+//#define CUDA_SWEEPING_BLOCK_SIZE 1024 //
+
+
+#define CUDA_L1_BLOCK_SIZE 128
+//#define CUDA_L1_BLOCK_SIZE 256
+
+#define CUDA_MAX_NUM_STREAMS 32
+
+#endif // CUDA_CONSTANTS_H