mirror of
https://github.com/NVIDIA/cuda-samples.git
synced 2024-11-24 21:29:15 +08:00
77 lines
2.8 KiB
C
77 lines
2.8 KiB
C
|
/* 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.
|
||
|
|
*/
|
||
|
|
|
||
|
|
///////////////////////////////////////////////////////////////////////////////
|
||
|
|
// Header for common includes and utility functions
|
||
|
|
///////////////////////////////////////////////////////////////////////////////
|
||
|
|
|
||
|
|
#ifndef COMMON_H
|
||
|
|
#define COMMON_H
|
||
|
|
|
||
|
|
///////////////////////////////////////////////////////////////////////////////
|
||
|
|
// Common includes
|
||
|
|
///////////////////////////////////////////////////////////////////////////////
|
||
|
|
|
||
|
|
#include <stdlib.h>
|
||
|
|
#include <stdio.h>
|
||
|
|
#include <time.h>
|
||
|
|
#include <memory.h>
|
||
|
|
#include <math.h>
|
||
|
|
|
||
|
|
#include <helper_cuda.h>
|
||
|
|
|
||
|
|
///////////////////////////////////////////////////////////////////////////////
|
||
|
|
// Common constants
|
||
|
|
///////////////////////////////////////////////////////////////////////////////
|
||
|
|
const int StrideAlignment = 32;
|
||
|
|
|
||
|
|
///////////////////////////////////////////////////////////////////////////////
|
||
|
|
// Common functions
|
||
|
|
///////////////////////////////////////////////////////////////////////////////
|
||
|
|
|
||
|
|
// Align up n to the nearest multiple of m
|
||
|
|
inline int iAlignUp(int n, int m = StrideAlignment) {
|
||
|
|
int mod = n % m;
|
||
|
|
|
||
|
|
if (mod)
|
||
|
|
return n + m - mod;
|
||
|
|
else
|
||
|
|
return n;
|
||
|
|
}
|
||
|
|
|
||
|
|
// round up n/m
|
||
|
|
inline int iDivUp(int n, int m) { return (n + m - 1) / m; }
|
||
|
|
|
||
|
|
// swap two values
|
||
|
|
template <typename T>
|
||
|
|
inline void Swap(T &a, T &b) {
|
||
|
|
T t = a;
|
||
|
|
a = b;
|
||
|
|
b = t;
|
||
|
|
}
|
||
|
|
#endif
|