cuda-samples/Samples/dct8x8/Common.h

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2021-10-21 19:04:49 +08:00
/* Copyright (c) 2021, NVIDIA CORPORATION. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of NVIDIA CORPORATION nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/**
**************************************************************************
* \file Common.h
* \brief Common includes header.
*
* This file contains includes of all libraries used by the project.
*/
#pragma once
#include <stdio.h>
#include <stdlib.h>
#include <math.h>
#include <cuda_runtime.h>
#include <helper_cuda.h> // helper functions for CUDA timing and initialization
#include <helper_functions.h> // helper functions for timing, string parsing
/**
* The dimension of pixels block
*/
#define BLOCK_SIZE 8
/**
* Square of dimension of pixels block
*/
#define BLOCK_SIZE2 64
/**
* log_2{BLOCK_SIZE), used for quick multiplication or division by the
* pixels block dimension via shifting
*/
#define BLOCK_SIZE_LOG2 3
/**
* log_2{BLOCK_SIZE*BLOCK_SIZE), used for quick multiplication or division by
* the
* square of pixels block via shifting
*/
#define BLOCK_SIZE2_LOG2 6
/**
* This macro states that __mul24 operation is performed faster that traditional
* multiplication for two integers on CUDA. Please undefine if it appears to be
* wrong on your system
*/
#define __MUL24_FASTER_THAN_ASTERIX
/**
* Wrapper to the fastest integer multiplication function on CUDA
*/
#ifdef __MUL24_FASTER_THAN_ASTERIX
#define FMUL(x, y) (__mul24(x, y))
#else
#define FMUL(x, y) ((x) * (y))
#endif
/**
* This macro allows using aligned memory management
*/
//#define __ALLOW_ALIGNED_MEMORY_MANAGEMENT