85 lines
2 KiB
C++
85 lines
2 KiB
C++
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#ifndef B3_RADIXSORT32_H
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#define B3_RADIXSORT32_H
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#include "b3OpenCLArray.h"
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struct b3SortData
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{
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union {
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unsigned int m_key;
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unsigned int x;
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};
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union {
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unsigned int m_value;
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unsigned int y;
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};
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};
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#include "b3BufferInfoCL.h"
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class b3RadixSort32CL
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{
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b3OpenCLArray<unsigned int>* m_workBuffer1;
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b3OpenCLArray<unsigned int>* m_workBuffer2;
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b3OpenCLArray<b3SortData>* m_workBuffer3;
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b3OpenCLArray<b3SortData>* m_workBuffer4;
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b3OpenCLArray<unsigned int>* m_workBuffer3a;
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b3OpenCLArray<unsigned int>* m_workBuffer4a;
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cl_command_queue m_commandQueue;
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cl_kernel m_streamCountSortDataKernel;
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cl_kernel m_streamCountKernel;
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cl_kernel m_prefixScanKernel;
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cl_kernel m_sortAndScatterSortDataKernel;
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cl_kernel m_sortAndScatterKernel;
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bool m_deviceCPU;
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class b3PrefixScanCL* m_scan;
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class b3FillCL* m_fill;
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public:
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struct b3ConstData
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{
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int m_n;
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int m_nWGs;
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int m_startBit;
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int m_nBlocksPerWG;
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};
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enum
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{
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DATA_ALIGNMENT = 256,
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WG_SIZE = 64,
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BLOCK_SIZE = 256,
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ELEMENTS_PER_WORK_ITEM = (BLOCK_SIZE / WG_SIZE),
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BITS_PER_PASS = 4,
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NUM_BUCKET = (1 << BITS_PER_PASS),
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// if you change this, change nPerWI in kernel as well
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NUM_WGS = 20 * 6, // cypress
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// NUM_WGS = 24*6, // cayman
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// NUM_WGS = 32*4, // nv
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};
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private:
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public:
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b3RadixSort32CL(cl_context ctx, cl_device_id device, cl_command_queue queue, int initialCapacity = 0);
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virtual ~b3RadixSort32CL();
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void execute(b3OpenCLArray<unsigned int>& keysIn, b3OpenCLArray<unsigned int>& keysOut, b3OpenCLArray<unsigned int>& valuesIn,
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b3OpenCLArray<unsigned int>& valuesOut, int n, int sortBits = 32);
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///keys only
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void execute(b3OpenCLArray<unsigned int>& keysInOut, int sortBits = 32);
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void execute(b3OpenCLArray<b3SortData>& keyValuesInOut, int sortBits = 32);
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void executeHost(b3OpenCLArray<b3SortData>& keyValuesInOut, int sortBits = 32);
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void executeHost(b3AlignedObjectArray<b3SortData>& keyValuesInOut, int sortBits = 32);
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};
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#endif //B3_RADIXSORT32_H
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