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7b7496d | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 | // Copyright (c) 2022, ETH Zurich and UNC Chapel Hill.
// 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 ETH Zurich and UNC Chapel Hill 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 THE COPYRIGHT HOLDERS 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.
//
// Author: Johannes L. Schoenberger (jsch-at-demuc-dot-de)
#include "util/cudacc.h"
#include "util/logging.h"
namespace colmap {
CudaTimer::CudaTimer() {
CUDA_SAFE_CALL(cudaEventCreate(&start_));
CUDA_SAFE_CALL(cudaEventCreate(&stop_));
CUDA_SAFE_CALL(cudaEventRecord(start_, 0));
}
CudaTimer::~CudaTimer() {
CUDA_SAFE_CALL(cudaEventDestroy(start_));
CUDA_SAFE_CALL(cudaEventDestroy(stop_));
}
void CudaTimer::Print(const std::string& message) {
CUDA_SAFE_CALL(cudaEventRecord(stop_, 0));
CUDA_SAFE_CALL(cudaEventSynchronize(stop_));
CUDA_SAFE_CALL(cudaEventElapsedTime(&elapsed_time_, start_, stop_));
std::cout << StringPrintf("%s: %.4fs", message.c_str(),
elapsed_time_ / 1000.0f)
<< std::endl;
}
void CudaSafeCall(const cudaError_t error, const std::string& file,
const int line) {
if (error != cudaSuccess) {
std::cerr << StringPrintf("CUDA error at %s:%i - %s", file.c_str(), line,
cudaGetErrorString(error))
<< std::endl;
exit(EXIT_FAILURE);
}
}
void CudaCheck(const char* file, const int line) {
const cudaError error = cudaGetLastError();
while (error != cudaSuccess) {
std::cerr << StringPrintf("CUDA error at %s:%i - %s", file, line,
cudaGetErrorString(error))
<< std::endl;
exit(EXIT_FAILURE);
}
}
void CudaSyncAndCheck(const char* file, const int line) {
// Synchronizes the default stream which is a nullptr.
const cudaError error = cudaStreamSynchronize(nullptr);
if (cudaSuccess != error) {
std::cerr << StringPrintf("CUDA error at %s:%i - %s", file, line,
cudaGetErrorString(error))
<< std::endl;
std::cerr
<< "This error is likely caused by the graphics card timeout "
"detection mechanism of your operating system. Please refer to "
"the FAQ in the documentation on how to solve this problem."
<< std::endl;
exit(EXIT_FAILURE);
}
}
} // namespace colmap
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