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authorChris Dyer <cdyer@allegro.clab.cs.cmu.edu>2012-11-18 13:35:42 -0500
committerChris Dyer <cdyer@allegro.clab.cs.cmu.edu>2012-11-18 13:35:42 -0500
commit8aa29810bb77611cc20b7a384897ff6703783ea1 (patch)
tree8635daa8fffb3f2cd90e30b41e27f4f9e0909447 /training/mpi_extract_reachable.cc
parentfbdacabc85bea65d735f2cb7f92b98e08ce72d04 (diff)
major restructure of the training code
Diffstat (limited to 'training/mpi_extract_reachable.cc')
-rw-r--r--training/mpi_extract_reachable.cc163
1 files changed, 0 insertions, 163 deletions
diff --git a/training/mpi_extract_reachable.cc b/training/mpi_extract_reachable.cc
deleted file mode 100644
index 2a7c2b9d..00000000
--- a/training/mpi_extract_reachable.cc
+++ /dev/null
@@ -1,163 +0,0 @@
-#include <iostream>
-#include <sstream>
-#include <vector>
-#include <cassert>
-
-#include "config.h"
-#ifdef HAVE_MPI
-#include <boost/mpi.hpp>
-#endif
-#include <boost/program_options.hpp>
-#include <boost/program_options/variables_map.hpp>
-
-#include "ff_register.h"
-#include "verbose.h"
-#include "filelib.h"
-#include "fdict.h"
-#include "decoder.h"
-#include "weights.h"
-
-using namespace std;
-namespace po = boost::program_options;
-
-bool InitCommandLine(int argc, char** argv, po::variables_map* conf) {
- po::options_description opts("Configuration options");
- opts.add_options()
- ("training_data,t",po::value<string>(),"Training data corpus")
- ("decoder_config,c",po::value<string>(),"Decoder configuration file")
- ("weights,w", po::value<string>(), "(Optional) weights file; weights may affect what features are encountered in pruning configurations")
- ("output_prefix,o",po::value<string>()->default_value("reachable"),"Output path prefix");
- po::options_description clo("Command line options");
- clo.add_options()
- ("config", po::value<string>(), "Configuration file")
- ("help,h", "Print this help message and exit");
- po::options_description dconfig_options, dcmdline_options;
- dconfig_options.add(opts);
- dcmdline_options.add(opts).add(clo);
-
- po::store(parse_command_line(argc, argv, dcmdline_options), *conf);
- if (conf->count("config")) {
- ifstream config((*conf)["config"].as<string>().c_str());
- po::store(po::parse_config_file(config, dconfig_options), *conf);
- }
- po::notify(*conf);
-
- if (conf->count("help") || !conf->count("training_data") || !conf->count("decoder_config")) {
- cerr << "Decode an input set (optionally in parallel using MPI) and write\nout the inputs that produce reachable parallel parses.\n";
- cerr << dcmdline_options << endl;
- return false;
- }
- return true;
-}
-
-void ReadTrainingCorpus(const string& fname, int rank, int size, vector<string>* c) {
- ReadFile rf(fname);
- istream& in = *rf.stream();
- string line;
- int lc = 0;
- while(in) {
- getline(in, line);
- if (!in) break;
- if (lc % size == rank) c->push_back(line);
- ++lc;
- }
-}
-
-static const double kMINUS_EPSILON = -1e-6;
-
-struct ReachabilityObserver : public DecoderObserver {
-
- virtual void NotifyDecodingStart(const SentenceMetadata&) {
- reachable = false;
- }
-
- // compute model expectations, denominator of objective
- virtual void NotifyTranslationForest(const SentenceMetadata&, Hypergraph* hg) {
- }
-
- // compute "empirical" expectations, numerator of objective
- virtual void NotifyAlignmentForest(const SentenceMetadata& smeta, Hypergraph* hg) {
- reachable = true;
- }
-
- bool reachable;
-};
-
-#ifdef HAVE_MPI
-namespace mpi = boost::mpi;
-#endif
-
-int main(int argc, char** argv) {
-#ifdef HAVE_MPI
- mpi::environment env(argc, argv);
- mpi::communicator world;
- const int size = world.size();
- const int rank = world.rank();
-#else
- const int size = 1;
- const int rank = 0;
-#endif
- if (size > 1) SetSilent(true); // turn off verbose decoder output
- register_feature_functions();
-
- po::variables_map conf;
- if (!InitCommandLine(argc, argv, &conf))
- return false;
-
- // load cdec.ini and set up decoder
- ReadFile ini_rf(conf["decoder_config"].as<string>());
- Decoder decoder(ini_rf.stream());
- if (decoder.GetConf()["input"].as<string>() != "-") {
- cerr << "cdec.ini must not set an input file\n";
- abort();
- }
-
- if (FD::UsingPerfectHashFunction()) {
- cerr << "Your configuration file has enabled a cmph hash function. Please disable.\n";
- return 1;
- }
-
- // load optional weights
- if (conf.count("weights"))
- Weights::InitFromFile(conf["weights"].as<string>(), &decoder.CurrentWeightVector());
-
- vector<string> corpus;
- ReadTrainingCorpus(conf["training_data"].as<string>(), rank, size, &corpus);
- assert(corpus.size() > 0);
-
-
- if (rank == 0)
- cerr << "Each processor is decoding ~" << corpus.size() << " training examples...\n";
-
- size_t num_reached = 0;
- {
- ostringstream os;
- os << conf["output_prefix"].as<string>() << '.' << rank << "_of_" << size;
- WriteFile wf(os.str());
- ostream& out = *wf.stream();
- ReachabilityObserver observer;
- for (int i = 0; i < corpus.size(); ++i) {
- decoder.Decode(corpus[i], &observer);
- if (observer.reachable) {
- out << corpus[i] << endl;
- ++num_reached;
- }
- corpus[i].clear();
- }
- cerr << "Shard " << rank << '/' << size << " finished, wrote "
- << num_reached << " instances to " << os.str() << endl;
- }
-
- size_t total = 0;
-#ifdef HAVE_MPI
- reduce(world, num_reached, total, std::plus<double>(), 0);
-#else
- total = num_reached;
-#endif
- if (rank == 0) {
- cerr << "-----------------------------------------\n";
- cerr << "TOTAL = " << total << " instances\n";
- }
- return 0;
-}
-