mirror of
https://github.com/moses-smt/mosesdecoder.git
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188 lines
4.8 KiB
C++
188 lines
4.8 KiB
C++
// $Id: MainMT.cpp 3045 2010-04-05 13:07:29Z hieuhoang1972 $
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/***********************************************************************
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Moses - factored phrase-based language decoder
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Copyright (C) 2009 University of Edinburgh
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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***********************************************************************/
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/**
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* Moses main, for single-threaded and multi-threaded.
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**/
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#include <exception>
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#include <fstream>
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#include <sstream>
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#include <vector>
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#include "util/usage.hh"
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#ifdef WIN32
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// Include Visual Leak Detector
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//#include <vld.h>
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#endif
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#include "moses/IOWrapper.h"
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#include "moses/Hypothesis.h"
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#include "moses/Manager.h"
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#include "moses/StaticData.h"
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#include "moses/TypeDef.h"
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#include "moses/Util.h"
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#include "moses/Timer.h"
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#include "moses/TranslationModel/PhraseDictionary.h"
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#include "moses/FF/StatefulFeatureFunction.h"
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#include "moses/FF/StatelessFeatureFunction.h"
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#include "moses/TrainingTask.h"
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#ifdef HAVE_PROTOBUF
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#include "hypergraph.pb.h"
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#endif
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#ifdef PT_UG
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#include <boost/foreach.hpp>
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#include "moses/TranslationModel/UG/mmsapt.h"
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#include "moses/TranslationModel/UG/generic/program_options/ug_splice_arglist.h"
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#endif
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using namespace std;
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using namespace Moses;
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namespace Moses
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{
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void OutputFeatureWeightsForHypergraph(std::ostream &outputSearchGraphStream)
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{
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outputSearchGraphStream.setf(std::ios::fixed);
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outputSearchGraphStream.precision(6);
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StaticData::Instance().GetAllWeights().Save(outputSearchGraphStream);
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}
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} //namespace
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/** main function of the command line version of the decoder **/
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int main(int argc, char** argv)
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{
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try {
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#ifdef HAVE_PROTOBUF
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GOOGLE_PROTOBUF_VERIFY_VERSION;
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#endif
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// echo command line, if verbose
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IFVERBOSE(1) {
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TRACE_ERR("command: ");
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for(int i=0; i<argc; ++i) TRACE_ERR(argv[i]<<" ");
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TRACE_ERR(endl);
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}
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// set number of significant decimals in output
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FixPrecision(cout);
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FixPrecision(cerr);
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// load all the settings into the Parameter class
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// (stores them as strings, or array of strings)
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Parameter params;
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if (!params.LoadParam(argc,argv)) {
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exit(1);
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}
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// initialize all "global" variables, which are stored in StaticData
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// note: this also loads models such as the language model, etc.
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if (!StaticData::LoadDataStatic(¶ms, argv[0])) {
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exit(1);
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}
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// setting "-show-weights" -> just dump out weights and exit
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if (params.isParamSpecified("show-weights")) {
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ShowWeights();
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exit(0);
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}
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// shorthand for accessing information in StaticData
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const StaticData& staticData = StaticData::Instance();
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//initialise random numbers
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srand(time(NULL));
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// set up read/writing class
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IFVERBOSE(1) {
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PrintUserTime("Created input-output object");
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}
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boost::shared_ptr<IOWrapper> ioWrapper(new IOWrapper());
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if (ioWrapper == NULL) {
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cerr << "Error; Failed to create IO object" << endl;
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exit(1);
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}
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// check on weights
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const ScoreComponentCollection& weights = staticData.GetAllWeights();
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IFVERBOSE(2) {
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TRACE_ERR("The global weight vector looks like this: ");
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TRACE_ERR(weights);
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TRACE_ERR("\n");
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}
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#ifdef WITH_THREADS
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ThreadPool pool(staticData.ThreadCount());
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#endif
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// main loop over set of input sentences
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boost::shared_ptr<InputType> source;
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while ((source = ioWrapper->ReadInput()) != NULL)
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{
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IFVERBOSE(1) { ResetUserTime(); }
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InputType* foo = source.get();
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FeatureFunction::CallChangeSource(foo);
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// set up task of training one sentence
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boost::shared_ptr<TrainingTask>
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task(new TrainingTask(source.get(), *ioWrapper));
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// execute task
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#ifdef WITH_THREADS
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pool.Submit(task);
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#else
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task->Run();
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#endif
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}
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// we are done, finishing up
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#ifdef WITH_THREADS
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pool.Stop(true); //flush remaining jobs
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#endif
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FeatureFunction::Destroy();
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} catch (const std::exception &e) {
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std::cerr << "Exception: " << e.what() << std::endl;
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return EXIT_FAILURE;
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}
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IFVERBOSE(1) util::PrintUsage(std::cerr);
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#ifndef EXIT_RETURN
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//This avoids that destructors are called (it can take a long time)
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exit(EXIT_SUCCESS);
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#else
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return EXIT_SUCCESS;
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#endif
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}
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