10ae28bd5885b5daa526898fcf7c323dc2c3e1963Angus Kong// Ceres Solver - A fast non-linear least squares minimizer 20ae28bd5885b5daa526898fcf7c323dc2c3e1963Angus Kong// Copyright 2012 Google Inc. All rights reserved. 30ae28bd5885b5daa526898fcf7c323dc2c3e1963Angus Kong// http://code.google.com/p/ceres-solver/ 40ae28bd5885b5daa526898fcf7c323dc2c3e1963Angus Kong// 50ae28bd5885b5daa526898fcf7c323dc2c3e1963Angus Kong// Redistribution and use in source and binary forms, with or without 60ae28bd5885b5daa526898fcf7c323dc2c3e1963Angus Kong// modification, are permitted provided that the following conditions are met: 70ae28bd5885b5daa526898fcf7c323dc2c3e1963Angus Kong// 80ae28bd5885b5daa526898fcf7c323dc2c3e1963Angus Kong// * Redistributions of source code must retain the above copyright notice, 90ae28bd5885b5daa526898fcf7c323dc2c3e1963Angus Kong// this list of conditions and the following disclaimer. 100ae28bd5885b5daa526898fcf7c323dc2c3e1963Angus Kong// * Redistributions in binary form must reproduce the above copyright notice, 110ae28bd5885b5daa526898fcf7c323dc2c3e1963Angus Kong// this list of conditions and the following disclaimer in the documentation 120ae28bd5885b5daa526898fcf7c323dc2c3e1963Angus Kong// and/or other materials provided with the distribution. 130ae28bd5885b5daa526898fcf7c323dc2c3e1963Angus Kong// * Neither the name of Google Inc. nor the names of its contributors may be 140ae28bd5885b5daa526898fcf7c323dc2c3e1963Angus Kong// used to endorse or promote products derived from this software without 150ae28bd5885b5daa526898fcf7c323dc2c3e1963Angus Kong// specific prior written permission. 160ae28bd5885b5daa526898fcf7c323dc2c3e1963Angus Kong// 170ae28bd5885b5daa526898fcf7c323dc2c3e1963Angus Kong// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 180ae28bd5885b5daa526898fcf7c323dc2c3e1963Angus Kong// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 190ae28bd5885b5daa526898fcf7c323dc2c3e1963Angus Kong// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 200ae28bd5885b5daa526898fcf7c323dc2c3e1963Angus Kong// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 210ae28bd5885b5daa526898fcf7c323dc2c3e1963Angus Kong// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 220ae28bd5885b5daa526898fcf7c323dc2c3e1963Angus Kong// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 230ae28bd5885b5daa526898fcf7c323dc2c3e1963Angus Kong// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 240ae28bd5885b5daa526898fcf7c323dc2c3e1963Angus Kong// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 250ae28bd5885b5daa526898fcf7c323dc2c3e1963Angus Kong// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 260ae28bd5885b5daa526898fcf7c323dc2c3e1963Angus Kong// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 270ae28bd5885b5daa526898fcf7c323dc2c3e1963Angus Kong// POSSIBILITY OF SUCH DAMAGE. 280ae28bd5885b5daa526898fcf7c323dc2c3e1963Angus Kong// 290ae28bd5885b5daa526898fcf7c323dc2c3e1963Angus Kong// Author: strandmark@google.com (Petter Strandmark) 300ae28bd5885b5daa526898fcf7c323dc2c3e1963Angus Kong 311d2624a10e2c559f8ba9ef89eaa30832c0a83a96Sascha Haeberling#include "ceres/wall_time.h" 321d2624a10e2c559f8ba9ef89eaa30832c0a83a96Sascha Haeberling 330ae28bd5885b5daa526898fcf7c323dc2c3e1963Angus Kong#ifdef CERES_USE_OPENMP 340ae28bd5885b5daa526898fcf7c323dc2c3e1963Angus Kong#include <omp.h> 350ae28bd5885b5daa526898fcf7c323dc2c3e1963Angus Kong#else 360ae28bd5885b5daa526898fcf7c323dc2c3e1963Angus Kong#include <ctime> 370ae28bd5885b5daa526898fcf7c323dc2c3e1963Angus Kong#endif 380ae28bd5885b5daa526898fcf7c323dc2c3e1963Angus Kong 391d2624a10e2c559f8ba9ef89eaa30832c0a83a96Sascha Haeberling#ifdef _WIN32 401d2624a10e2c559f8ba9ef89eaa30832c0a83a96Sascha Haeberling#include <windows.h> 411d2624a10e2c559f8ba9ef89eaa30832c0a83a96Sascha Haeberling#else 421d2624a10e2c559f8ba9ef89eaa30832c0a83a96Sascha Haeberling#include <sys/time.h> 431d2624a10e2c559f8ba9ef89eaa30832c0a83a96Sascha Haeberling#endif 441d2624a10e2c559f8ba9ef89eaa30832c0a83a96Sascha Haeberling 450ae28bd5885b5daa526898fcf7c323dc2c3e1963Angus Kongnamespace ceres { 460ae28bd5885b5daa526898fcf7c323dc2c3e1963Angus Kongnamespace internal { 470ae28bd5885b5daa526898fcf7c323dc2c3e1963Angus Kong 480ae28bd5885b5daa526898fcf7c323dc2c3e1963Angus Kongdouble WallTimeInSeconds() { 490ae28bd5885b5daa526898fcf7c323dc2c3e1963Angus Kong#ifdef CERES_USE_OPENMP 500ae28bd5885b5daa526898fcf7c323dc2c3e1963Angus Kong return omp_get_wtime(); 510ae28bd5885b5daa526898fcf7c323dc2c3e1963Angus Kong#else 521d2624a10e2c559f8ba9ef89eaa30832c0a83a96Sascha Haeberling#ifdef _WIN32 530ae28bd5885b5daa526898fcf7c323dc2c3e1963Angus Kong return static_cast<double>(std::time(NULL)); 541d2624a10e2c559f8ba9ef89eaa30832c0a83a96Sascha Haeberling#else 551d2624a10e2c559f8ba9ef89eaa30832c0a83a96Sascha Haeberling timeval time_val; 561d2624a10e2c559f8ba9ef89eaa30832c0a83a96Sascha Haeberling gettimeofday(&time_val, NULL); 571d2624a10e2c559f8ba9ef89eaa30832c0a83a96Sascha Haeberling return (time_val.tv_sec + time_val.tv_usec * 1e-6); 581d2624a10e2c559f8ba9ef89eaa30832c0a83a96Sascha Haeberling#endif 590ae28bd5885b5daa526898fcf7c323dc2c3e1963Angus Kong#endif 600ae28bd5885b5daa526898fcf7c323dc2c3e1963Angus Kong} 610ae28bd5885b5daa526898fcf7c323dc2c3e1963Angus Kong 621d2624a10e2c559f8ba9ef89eaa30832c0a83a96Sascha HaeberlingEventLogger::EventLogger(const string& logger_name) 631d2624a10e2c559f8ba9ef89eaa30832c0a83a96Sascha Haeberling : start_time_(WallTimeInSeconds()), 641d2624a10e2c559f8ba9ef89eaa30832c0a83a96Sascha Haeberling last_event_time_(start_time_), 651d2624a10e2c559f8ba9ef89eaa30832c0a83a96Sascha Haeberling events_("") { 661d2624a10e2c559f8ba9ef89eaa30832c0a83a96Sascha Haeberling StringAppendF(&events_, 671d2624a10e2c559f8ba9ef89eaa30832c0a83a96Sascha Haeberling "\n%s\n Delta Cumulative\n", 681d2624a10e2c559f8ba9ef89eaa30832c0a83a96Sascha Haeberling logger_name.c_str()); 691d2624a10e2c559f8ba9ef89eaa30832c0a83a96Sascha Haeberling} 701d2624a10e2c559f8ba9ef89eaa30832c0a83a96Sascha Haeberling 711d2624a10e2c559f8ba9ef89eaa30832c0a83a96Sascha HaeberlingEventLogger::~EventLogger() { 721d2624a10e2c559f8ba9ef89eaa30832c0a83a96Sascha Haeberling if (VLOG_IS_ON(3)) { 731d2624a10e2c559f8ba9ef89eaa30832c0a83a96Sascha Haeberling AddEvent("Total"); 741d2624a10e2c559f8ba9ef89eaa30832c0a83a96Sascha Haeberling VLOG(2) << "\n" << events_ << "\n"; 751d2624a10e2c559f8ba9ef89eaa30832c0a83a96Sascha Haeberling } 761d2624a10e2c559f8ba9ef89eaa30832c0a83a96Sascha Haeberling} 771d2624a10e2c559f8ba9ef89eaa30832c0a83a96Sascha Haeberling 781d2624a10e2c559f8ba9ef89eaa30832c0a83a96Sascha Haeberlingvoid EventLogger::AddEvent(const string& event_name) { 791d2624a10e2c559f8ba9ef89eaa30832c0a83a96Sascha Haeberling if (!VLOG_IS_ON(3)) { 801d2624a10e2c559f8ba9ef89eaa30832c0a83a96Sascha Haeberling return; 811d2624a10e2c559f8ba9ef89eaa30832c0a83a96Sascha Haeberling } 821d2624a10e2c559f8ba9ef89eaa30832c0a83a96Sascha Haeberling 831d2624a10e2c559f8ba9ef89eaa30832c0a83a96Sascha Haeberling const double current_time = WallTimeInSeconds(); 841d2624a10e2c559f8ba9ef89eaa30832c0a83a96Sascha Haeberling const double relative_time_delta = current_time - last_event_time_; 851d2624a10e2c559f8ba9ef89eaa30832c0a83a96Sascha Haeberling const double absolute_time_delta = current_time - start_time_; 861d2624a10e2c559f8ba9ef89eaa30832c0a83a96Sascha Haeberling last_event_time_ = current_time; 871d2624a10e2c559f8ba9ef89eaa30832c0a83a96Sascha Haeberling 881d2624a10e2c559f8ba9ef89eaa30832c0a83a96Sascha Haeberling StringAppendF(&events_, 891d2624a10e2c559f8ba9ef89eaa30832c0a83a96Sascha Haeberling " %30s : %10.5f %10.5f\n", 901d2624a10e2c559f8ba9ef89eaa30832c0a83a96Sascha Haeberling event_name.c_str(), 911d2624a10e2c559f8ba9ef89eaa30832c0a83a96Sascha Haeberling relative_time_delta, 921d2624a10e2c559f8ba9ef89eaa30832c0a83a96Sascha Haeberling absolute_time_delta); 931d2624a10e2c559f8ba9ef89eaa30832c0a83a96Sascha Haeberling} 941d2624a10e2c559f8ba9ef89eaa30832c0a83a96Sascha Haeberling 950ae28bd5885b5daa526898fcf7c323dc2c3e1963Angus Kong} // namespace internal 960ae28bd5885b5daa526898fcf7c323dc2c3e1963Angus Kong} // namespace ceres 97