scan_common.h

/* Copyright (c) 2021, NVIDIA CORPORATION. All rights reserved.
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#ifndef SCAN_COMMON_H
#define SCAN_COMMON_H

#include <stdlib.h>

////////////////////////////////////////////////////////////////////////////////
// Shortcut typename
////////////////////////////////////////////////////////////////////////////////
typedef unsigned int uint;

////////////////////////////////////////////////////////////////////////////////
// Implementation limits
////////////////////////////////////////////////////////////////////////////////
extern "C" const uint MAX_BATCH_ELEMENTS;
extern "C" const uint MIN_SHORT_ARRAY_SIZE;
extern "C" const uint MAX_SHORT_ARRAY_SIZE;
extern "C" const uint MIN_LARGE_ARRAY_SIZE;
extern "C" const uint MAX_LARGE_ARRAY_SIZE;

////////////////////////////////////////////////////////////////////////////////
// CUDA scan
////////////////////////////////////////////////////////////////////////////////
extern "C" void initScan(void);
extern "C" void closeScan(void);

extern "C" size_t scanExclusiveShort(uint *d_Dst, uint *d_Src, uint batchSize,
                                     uint arrayLength);

extern "C" size_t scanExclusiveLarge(uint *d_Dst, uint *d_Src, uint batchSize,
                                     uint arrayLength);

////////////////////////////////////////////////////////////////////////////////
// Reference CPU scan
////////////////////////////////////////////////////////////////////////////////
extern "C" void scanExclusiveHost(uint *dst, uint *src, uint batchSize,
                                  uint arrayLength);

#endif