| // Ceres Solver - A fast non-linear least squares minimizer |
| // Copyright 2015 Google Inc. All rights reserved. |
| // http://ceres-solver.org/ |
| // |
| // 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 Google Inc. 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 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. |
| // |
| // Author: strandmark@google.com (Petter Strandmark) |
| |
| #include "ceres/wall_time.h" |
| |
| #ifdef CERES_USE_OPENMP |
| #include <omp.h> |
| #else |
| #include <ctime> |
| #endif |
| |
| #ifdef _WIN32 |
| #include <windows.h> |
| #else |
| #include <sys/time.h> |
| #endif |
| |
| namespace ceres { |
| namespace internal { |
| |
| double WallTimeInSeconds() { |
| #ifdef CERES_USE_OPENMP |
| return omp_get_wtime(); |
| #else |
| #ifdef _WIN32 |
| LARGE_INTEGER count; |
| LARGE_INTEGER frequency; |
| QueryPerformanceCounter(&count); |
| QueryPerformanceFrequency(&frequency); |
| return static_cast<double>(count.QuadPart) / |
| static_cast<double>(frequency.QuadPart); |
| #else |
| timeval time_val; |
| gettimeofday(&time_val, NULL); |
| return (time_val.tv_sec + time_val.tv_usec * 1e-6); |
| #endif |
| #endif |
| } |
| |
| EventLogger::EventLogger(const std::string& logger_name) |
| : start_time_(WallTimeInSeconds()), |
| last_event_time_(start_time_), |
| events_("") { |
| StringAppendF(&events_, |
| "\n%s\n Delta Cumulative\n", |
| logger_name.c_str()); |
| } |
| |
| EventLogger::~EventLogger() { |
| if (VLOG_IS_ON(3)) { |
| AddEvent("Total"); |
| VLOG(2) << "\n" << events_ << "\n"; |
| } |
| } |
| |
| void EventLogger::AddEvent(const std::string& event_name) { |
| if (!VLOG_IS_ON(3)) { |
| return; |
| } |
| |
| const double current_time = WallTimeInSeconds(); |
| const double relative_time_delta = current_time - last_event_time_; |
| const double absolute_time_delta = current_time - start_time_; |
| last_event_time_ = current_time; |
| |
| StringAppendF(&events_, |
| " %30s : %10.5f %10.5f\n", |
| event_name.c_str(), |
| relative_time_delta, |
| absolute_time_delta); |
| } |
| |
| } // namespace internal |
| } // namespace ceres |