import opencl_course source for a start

2013-03-11 22:03:27 +01:00
commit 08272c7de5
64 changed files with 12336 additions and 0 deletions
--- a/opencl/parallel_primitives/host/btRadixSort32CL.h
+++ b/opencl/parallel_primitives/host/btRadixSort32CL.h
@@ -0,0 +1,85 @@
+
+#ifndef BT_RADIXSORT32_H
+#define BT_RADIXSORT32_H
+
+#include "btOpenCLArray.h"
+
+struct btSortData
+{
+	int m_key;
+	int m_value;
+};
+#include "btBufferInfoCL.h"
+
+class  btRadixSort32CL
+{
+
+		btOpenCLArray<unsigned int>* m_workBuffer1;
+		btOpenCLArray<unsigned int>* m_workBuffer2;
+		
+		btOpenCLArray<btSortData>*	m_workBuffer3;
+		btOpenCLArray<btSortData>*	m_workBuffer4;
+
+		btOpenCLArray<unsigned int>* m_workBuffer3a;
+		btOpenCLArray<unsigned int>* m_workBuffer4a;
+
+		cl_command_queue	m_commandQueue;
+
+		cl_kernel m_streamCountSortDataKernel;
+		cl_kernel m_streamCountKernel;
+
+		cl_kernel m_prefixScanKernel;
+		cl_kernel m_sortAndScatterSortDataKernel;
+		cl_kernel m_sortAndScatterKernel;
+
+
+		bool	m_deviceCPU;
+
+		class btPrefixScanCL* m_scan;
+		class btFillCL*	m_fill;
+
+public:
+	struct btConstData
+		{
+			int m_n;
+			int m_nWGs;
+			int m_startBit;
+			int m_nBlocksPerWG;
+		};
+	enum
+		{
+			DATA_ALIGNMENT = 256,
+			WG_SIZE = 64,
+            BLOCK_SIZE = 256,
+			ELEMENTS_PER_WORK_ITEM = (BLOCK_SIZE/WG_SIZE),
+			BITS_PER_PASS = 4,
+			NUM_BUCKET=(1<<BITS_PER_PASS),
+			//	if you change this, change nPerWI in kernel as well
+			NUM_WGS = 20*6,	//	cypress
+//			NUM_WGS = 24*6,	//	cayman
+//			NUM_WGS = 32*4,	//	nv
+		};
+
+
+private:
+		
+
+public:
+
+		btRadixSort32CL(cl_context ctx, cl_device_id device, cl_command_queue queue, int initialCapacity =0);
+
+		virtual ~btRadixSort32CL();
+
+		void execute(btOpenCLArray<unsigned int>& keysIn, btOpenCLArray<unsigned int>& keysOut, btOpenCLArray<unsigned int>& valuesIn, 
+								btOpenCLArray<unsigned int>& valuesOut, int n, int sortBits = 32);
+
+		///keys only
+		void execute(btOpenCLArray<unsigned int>& keysInOut, int sortBits  = 32 );
+
+		void execute(btOpenCLArray<btSortData>& keyValuesInOut, int sortBits  = 32 );
+		void executeHost(btOpenCLArray<btSortData>& keyValuesInOut, int sortBits = 32);
+		void executeHost(btAlignedObjectArray<btSortData>& keyValuesInOut, int sortBits = 32);
+
+};
+#endif //BT_RADIXSORT32_H
+