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-rw-r--r--training/dpmert/mr_dpmert_generate_mapper_input.cc81
1 files changed, 81 insertions, 0 deletions
diff --git a/training/dpmert/mr_dpmert_generate_mapper_input.cc b/training/dpmert/mr_dpmert_generate_mapper_input.cc
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+++ b/training/dpmert/mr_dpmert_generate_mapper_input.cc
@@ -0,0 +1,81 @@
+#include <iostream>
+#include <vector>
+
+#include <boost/program_options.hpp>
+#include <boost/program_options/variables_map.hpp>
+
+#include "filelib.h"
+#include "weights.h"
+#include "line_optimizer.h"
+
+using namespace std;
+namespace po = boost::program_options;
+
+void InitCommandLine(int argc, char** argv, po::variables_map* conf) {
+ po::options_description opts("Configuration options");
+ opts.add_options()
+ ("dev_set_size,s",po::value<unsigned>(),"[REQD] Development set size (# of parallel sentences)")
+ ("forest_repository,r",po::value<string>(),"[REQD] Path to forest repository")
+ ("weights,w",po::value<string>(),"[REQD] Current feature weights file")
+ ("optimize_feature,o",po::value<vector<string> >(), "Feature to optimize (if none specified, all weights listed in the weights file will be optimized)")
+ ("random_directions,d",po::value<unsigned int>()->default_value(20),"Number of random directions to run the line optimizer in")
+ ("help,h", "Help");
+ po::options_description dcmdline_options;
+ dcmdline_options.add(opts);
+ po::store(parse_command_line(argc, argv, dcmdline_options), *conf);
+ bool flag = false;
+ if (conf->count("dev_set_size") == 0) {
+ cerr << "Please specify the size of the development set using -d N\n";
+ flag = true;
+ }
+ if (conf->count("weights") == 0) {
+ cerr << "Please specify the starting-point weights using -w <weightfile.txt>\n";
+ flag = true;
+ }
+ if (conf->count("forest_repository") == 0) {
+ cerr << "Please specify the forest repository location using -r <DIR>\n";
+ flag = true;
+ }
+ if (flag || conf->count("help")) {
+ cerr << dcmdline_options << endl;
+ exit(1);
+ }
+}
+
+int main(int argc, char** argv) {
+ RandomNumberGenerator<boost::mt19937> rng;
+ po::variables_map conf;
+ InitCommandLine(argc, argv, &conf);
+ vector<string> features;
+ SparseVector<weight_t> origin;
+ vector<weight_t> w;
+ Weights::InitFromFile(conf["weights"].as<string>(), &w, &features);
+ Weights::InitSparseVector(w, &origin);
+ const string forest_repository = conf["forest_repository"].as<string>();
+ if (!DirectoryExists(forest_repository)) {
+ cerr << "Forest repository directory " << forest_repository << " not found!\n";
+ return 1;
+ }
+ if (conf.count("optimize_feature") > 0)
+ features=conf["optimize_feature"].as<vector<string> >();
+ vector<SparseVector<weight_t> > directions;
+ vector<int> fids(features.size());
+ for (unsigned i = 0; i < features.size(); ++i)
+ fids[i] = FD::Convert(features[i]);
+ LineOptimizer::CreateOptimizationDirections(
+ fids,
+ conf["random_directions"].as<unsigned int>(),
+ &rng,
+ &directions);
+ unsigned dev_set_size = conf["dev_set_size"].as<unsigned>();
+ for (unsigned i = 0; i < dev_set_size; ++i) {
+ for (unsigned j = 0; j < directions.size(); ++j) {
+ cout << forest_repository << '/' << i << ".json.gz " << i << ' ';
+ print(cout, origin, "=", ";");
+ cout << ' ';
+ print(cout, directions[j], "=", ";");
+ cout << endl;
+ }
+ }
+ return 0;
+}