| /****************************************************************************** | |
| * Copyright (c) 2011, Duane Merrill. All rights reserved. | |
| * Copyright (c) 2011-2022, 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 the 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 AND CONTRIBUTORS "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 NVIDIA CORPORATION 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 | |
| * Error and event logging routines. | |
| * | |
| * The following macros definitions are supported: | |
| * - \p CUB_LOG. Simple event messages are printed to \p stdout. | |
| */ | |
| #pragma once | |
| #include <cub/config.cuh> | |
| #if defined(_CCCL_IMPLICIT_SYSTEM_HEADER_GCC) | |
| # pragma GCC system_header | |
| #elif defined(_CCCL_IMPLICIT_SYSTEM_HEADER_CLANG) | |
| # pragma clang system_header | |
| #elif defined(_CCCL_IMPLICIT_SYSTEM_HEADER_MSVC) | |
| # pragma system_header | |
| #endif // no system header | |
| #include <nv/target> | |
| #include <cstdio> | |
| CUB_NAMESPACE_BEGIN | |
| #ifdef DOXYGEN_SHOULD_SKIP_THIS // Only parse this during doxygen passes: | |
| /** | |
| * @def CUB_DEBUG_LOG | |
| * | |
| * Causes kernel launch configurations to be printed to the console | |
| */ | |
| #define CUB_DEBUG_LOG | |
| /** | |
| * @def CUB_DEBUG_SYNC | |
| * | |
| * Causes synchronization of the stream after every kernel launch to check | |
| * for errors. Also causes kernel launch configurations to be printed to the | |
| * console. | |
| */ | |
| #define CUB_DEBUG_SYNC | |
| /** | |
| * @def CUB_DEBUG_HOST_ASSERTIONS | |
| * | |
| * Extends `CUB_DEBUG_SYNC` effects by checking host-side precondition | |
| * assertions. | |
| */ | |
| #define CUB_DEBUG_HOST_ASSERTIONS | |
| /** | |
| * @def CUB_DEBUG_DEVICE_ASSERTIONS | |
| * | |
| * Extends `CUB_DEBUG_HOST_ASSERTIONS` effects by checking device-side | |
| * precondition assertions. | |
| */ | |
| #define CUB_DEBUG_DEVICE_ASSERTIONS | |
| /** | |
| * @def CUB_DEBUG_ALL | |
| * | |
| * Causes host and device-side precondition assertions to be checked. Apart | |
| * from that, causes synchronization of the stream after every kernel launch to | |
| * check for errors. Also causes kernel launch configurations to be printed to | |
| * the console. | |
| */ | |
| #define CUB_DEBUG_ALL | |
| #endif // DOXYGEN_SHOULD_SKIP_THIS | |
| /** | |
| * \addtogroup UtilMgmt | |
| * @{ | |
| */ | |
| // `CUB_DETAIL_DEBUG_LEVEL_*`: Implementation details, internal use only: | |
| #define CUB_DETAIL_DEBUG_LEVEL_NONE 0 | |
| #define CUB_DETAIL_DEBUG_LEVEL_HOST_ASSERTIONS_ONLY 1 | |
| #define CUB_DETAIL_DEBUG_LEVEL_LOG 2 | |
| #define CUB_DETAIL_DEBUG_LEVEL_SYNC 3 | |
| #define CUB_DETAIL_DEBUG_LEVEL_HOST_ASSERTIONS 4 | |
| #define CUB_DETAIL_DEBUG_LEVEL_DEVICE_ASSERTIONS 5 | |
| #define CUB_DETAIL_DEBUG_LEVEL_ALL 1000 | |
| // `CUB_DEBUG_*`: User interfaces: | |
| // Extra logging, no syncs | |
| #ifdef CUB_DEBUG_LOG | |
| #define CUB_DETAIL_DEBUG_LEVEL CUB_DETAIL_DEBUG_LEVEL_LOG | |
| #endif | |
| // Logging + syncs | |
| #ifdef CUB_DEBUG_SYNC | |
| #define CUB_DETAIL_DEBUG_LEVEL CUB_DETAIL_DEBUG_LEVEL_SYNC | |
| #endif | |
| // Logging + syncs + host assertions | |
| #ifdef CUB_DEBUG_HOST_ASSERTIONS | |
| #define CUB_DETAIL_DEBUG_LEVEL CUB_DETAIL_DEBUG_LEVEL_HOST_ASSERTIONS | |
| #endif | |
| // Logging + syncs + host assertions + device assertions | |
| #ifdef CUB_DEBUG_DEVICE_ASSERTIONS | |
| #define CUB_DETAIL_DEBUG_LEVEL CUB_DETAIL_DEBUG_LEVEL_DEVICE_ASSERTIONS | |
| #endif | |
| // All | |
| #ifdef CUB_DEBUG_ALL | |
| #define CUB_DETAIL_DEBUG_LEVEL CUB_DETAIL_DEBUG_LEVEL_ALL | |
| #endif | |
| // Default case, no extra debugging: | |
| #ifndef CUB_DETAIL_DEBUG_LEVEL | |
| #ifdef NDEBUG | |
| #define CUB_DETAIL_DEBUG_LEVEL CUB_DETAIL_DEBUG_LEVEL_NONE | |
| #else | |
| #define CUB_DETAIL_DEBUG_LEVEL CUB_DETAIL_DEBUG_LEVEL_HOST_ASSERTIONS_ONLY | |
| #endif | |
| #endif | |
| /* | |
| * `CUB_DETAIL_DEBUG_ENABLE_*`: | |
| * Internal implementation details, used for testing enabled debug features: | |
| */ | |
| #if CUB_DETAIL_DEBUG_LEVEL >= CUB_DETAIL_DEBUG_LEVEL_LOG | |
| #define CUB_DETAIL_DEBUG_ENABLE_LOG | |
| #endif | |
| #if CUB_DETAIL_DEBUG_LEVEL >= CUB_DETAIL_DEBUG_LEVEL_SYNC | |
| #define CUB_DETAIL_DEBUG_ENABLE_SYNC | |
| #endif | |
| #if (CUB_DETAIL_DEBUG_LEVEL >= CUB_DETAIL_DEBUG_LEVEL_HOST_ASSERTIONS) || \ | |
| (CUB_DETAIL_DEBUG_LEVEL == CUB_DETAIL_DEBUG_LEVEL_HOST_ASSERTIONS_ONLY) | |
| #define CUB_DETAIL_DEBUG_ENABLE_HOST_ASSERTIONS | |
| #endif | |
| #if CUB_DETAIL_DEBUG_LEVEL >= CUB_DETAIL_DEBUG_LEVEL_DEVICE_ASSERTIONS | |
| #define CUB_DETAIL_DEBUG_ENABLE_DEVICE_ASSERTIONS | |
| #endif | |
| /// CUB error reporting macro (prints error messages to stderr) | |
| #if (defined(DEBUG) || defined(_DEBUG)) && !defined(CUB_STDERR) | |
| #define CUB_STDERR | |
| #endif | |
| /** | |
| * \brief %If \p CUB_STDERR is defined and \p error is not \p cudaSuccess, the | |
| * corresponding error message is printed to \p stderr (or \p stdout in device | |
| * code) along with the supplied source context. | |
| * | |
| * \return The CUDA error. | |
| */ | |
| __host__ __device__ | |
| __forceinline__ | |
| cudaError_t Debug(cudaError_t error, const char *filename, int line) | |
| { | |
| // Clear the global CUDA error state which may have been set by the last | |
| // call. Otherwise, errors may "leak" to unrelated kernel launches. | |
| // clang-format off | |
| #ifndef CUB_RDC_ENABLED | |
| #define CUB_TEMP_DEVICE_CODE | |
| #else | |
| #define CUB_TEMP_DEVICE_CODE last_error = cudaGetLastError() | |
| #endif | |
| cudaError_t last_error = cudaSuccess; | |
| NV_IF_TARGET( | |
| NV_IS_HOST, | |
| (last_error = cudaGetLastError();), | |
| (CUB_TEMP_DEVICE_CODE;) | |
| ); | |
| #undef CUB_TEMP_DEVICE_CODE | |
| // clang-format on | |
| if (error == cudaSuccess && last_error != cudaSuccess) | |
| { | |
| error = last_error; | |
| } | |
| #ifdef CUB_STDERR | |
| if (error) | |
| { | |
| NV_IF_TARGET( | |
| NV_IS_HOST, ( | |
| fprintf(stderr, | |
| "CUDA error %d [%s, %d]: %s\n", | |
| error, | |
| filename, | |
| line, | |
| cudaGetErrorString(error)); | |
| fflush(stderr); | |
| ), | |
| ( | |
| printf("CUDA error %d [block (%d,%d,%d) thread (%d,%d,%d), %s, %d]\n", | |
| error, | |
| blockIdx.z, | |
| blockIdx.y, | |
| blockIdx.x, | |
| threadIdx.z, | |
| threadIdx.y, | |
| threadIdx.x, | |
| filename, | |
| line); | |
| ) | |
| ); | |
| } | |
| #else | |
| (void)filename; | |
| (void)line; | |
| #endif | |
| return error; | |
| } | |
| /** | |
| * \brief Debug macro | |
| */ | |
| #ifndef CubDebug | |
| #define CubDebug(e) CUB_NS_QUALIFIER::Debug((cudaError_t) (e), __FILE__, __LINE__) | |
| #endif | |
| /** | |
| * \brief Debug macro with exit | |
| */ | |
| #ifndef CubDebugExit | |
| #define CubDebugExit(e) if (CUB_NS_QUALIFIER::Debug((cudaError_t) (e), __FILE__, __LINE__)) { exit(1); } | |
| #endif | |
| /** | |
| * \brief Log macro for printf statements. | |
| */ | |
| #if !defined(_CubLog) | |
| #if defined(_NVHPC_CUDA) || !(defined(__clang__) && defined(__CUDA__)) | |
| // NVCC / NVC++ | |
| #define _CubLog(format, ...) \ | |
| do \ | |
| { \ | |
| NV_IF_TARGET(NV_IS_HOST, \ | |
| (printf(format, __VA_ARGS__);), \ | |
| (printf("[block (%d,%d,%d), thread (%d,%d,%d)]: " format, \ | |
| blockIdx.z, \ | |
| blockIdx.y, \ | |
| blockIdx.x, \ | |
| threadIdx.z, \ | |
| threadIdx.y, \ | |
| threadIdx.x, \ | |
| __VA_ARGS__);)); \ | |
| } while (false) | |
| #else // Clang: | |
| // XXX shameless hack for clang around variadic printf... | |
| // Compilies w/o supplying -std=c++11 but shows warning, | |
| // so we silence them :) | |
| #pragma clang diagnostic ignored "-Wc++11-extensions" | |
| #pragma clang diagnostic ignored "-Wunnamed-type-template-args" | |
| template <class... Args> | |
| inline __host__ __device__ void va_printf(char const *format, | |
| Args const &...args) | |
| { | |
| #ifdef __CUDA_ARCH__ | |
| printf(format, | |
| blockIdx.z, | |
| blockIdx.y, | |
| blockIdx.x, | |
| threadIdx.z, | |
| threadIdx.y, | |
| threadIdx.x, | |
| args...); | |
| #else | |
| printf(format, args...); | |
| #endif | |
| } | |
| #ifndef __CUDA_ARCH__ | |
| #define _CubLog(format, ...) CUB_NS_QUALIFIER::va_printf(format, __VA_ARGS__); | |
| #else | |
| #define _CubLog(format, ...) \ | |
| CUB_NS_QUALIFIER::va_printf("[block (%d,%d,%d), thread " \ | |
| "(%d,%d,%d)]: " format, \ | |
| __VA_ARGS__); | |
| #endif | |
| #endif | |
| #endif | |
| /** @} */ // end group UtilMgmt | |
| CUB_NAMESPACE_END | |