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cudaUtility.h
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1 /*
2 * Copyright (c) 2017, NVIDIA CORPORATION. All rights reserved.
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
19 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
20 * DEALINGS IN THE SOFTWARE.
21 */
22
23 #ifndef __CUDA_UTILITY_H_
24 #define __CUDA_UTILITY_H_
25
26
27 #include <cuda_runtime.h>
28 #include <cuda.h>
29 #include <stdio.h>
30 #include <string.h>
31 #include <stdint.h>
32
33 #include "logging.h"
34
35
41 #define CUDA(x) cudaCheckError((x), #x, __FILE__, __LINE__)
42
47 #define CUDA_SUCCESS(x) (CUDA(x) == cudaSuccess)
48
53 #define CUDA_FAILED(x) (CUDA(x) != cudaSuccess)
54
59 #define CUDA_VERIFY(x) if(CUDA_FAILED(x)) return false;
60
65 #define LOG_CUDA "[cuda] "
66
67 /*
68 * define this if you want all cuda calls to be printed
69 * @ingroup cudaError
70 */
71 //#define CUDA_TRACE
72
73
74
79 inline cudaError_t cudaCheckError(cudaError_t retval, const char* txt, const char* file, int line )
80 {
81 #if !defined(CUDA_TRACE)
82if( retval == cudaSuccess)
83return cudaSuccess;
84 #endif
85
86//int activeDevice = -1;
87//cudaGetDevice(&activeDevice);
88
89//Log("[cuda] device %i - %s\n", activeDevice, txt);
90
91if( retval == cudaSuccess )
92 {
93LogDebug(LOG_CUDA "%s\n", txt);
94 }
95else
96 {
97LogError(LOG_CUDA "%s\n", txt);
98 }
99
100if( retval != cudaSuccess )
101 {
102LogError(LOG_CUDA " %s (error %u) (hex 0x%02X)\n", cudaGetErrorString(retval), retval, retval);
103LogError(LOG_CUDA " %s:%i\n", file, line);
104 }
105
106return retval;
107 }
108
109
114 #define CUDA_FREE(x) if(x != NULL) { cudaFree(x); x = NULL; }
115
120 #define CUDA_FREE_HOST(x) if(x != NULL) { cudaFreeHost(x); x = NULL; }
121
126 #define SAFE_DELETE(x) if(x != NULL) { delete x; x = NULL; }
127
132 #define SAFE_FREE(x) if(x != NULL) { free(x); x = NULL; }
133
134
152 inline __device__ __host__ int iDivUp( int a, int b ) { return (a % b != 0) ? (a / b + 1) : (a / b); }
153
154
155 #endif
156
cudaError_t cudaCheckError(cudaError_t retval, const char *txt, const char *file, int line)
cudaCheckError
Definition: cudaUtility.h:79
__device__ __host__ int iDivUp(int a, int b)
If a / b has a remainder, round up.
Definition: cudaUtility.h:152
#define LOG_CUDA
LOG_CUDA string.
Definition: cudaUtility.h:65
#define LogError(format, args...)
Log a printf-style error message (Log::ERROR)
Definition: logging.h:150
#define LogDebug(format, args...)
Log a printf-style debug message (Log::DEBUG)
Definition: logging.h:180