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Diffstat (limited to 'training/cllh_filter_grammar.cc')
| -rw-r--r-- | training/cllh_filter_grammar.cc | 197 |
1 files changed, 0 insertions, 197 deletions
diff --git a/training/cllh_filter_grammar.cc b/training/cllh_filter_grammar.cc deleted file mode 100644 index 6998ec2b..00000000 --- a/training/cllh_filter_grammar.cc +++ /dev/null @@ -1,197 +0,0 @@ -#include <iostream> -#include <vector> -#include <cassert> -#include <unistd.h> // fork -#include <sys/wait.h> // waitpid - -#include <boost/program_options.hpp> -#include <boost/program_options/variables_map.hpp> - -#include "tdict.h" -#include "ff_register.h" -#include "verbose.h" -#include "hg.h" -#include "decoder.h" -#include "filelib.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() - ("training_data,t",po::value<string>(),"Training data corpus") - ("decoder_config,c",po::value<string>(),"Decoder configuration file") - ("shards,s",po::value<unsigned>()->default_value(1),"Number of shards") - ("starting_shard,S",po::value<unsigned>()->default_value(0), "In this invocation only process shards >= S") - ("work_limit,l",po::value<unsigned>()->default_value(9999), "Process maximially this many shards") - ("ncpus,C",po::value<unsigned>()->default_value(1),"Number of CPUs to use"); - 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 << dcmdline_options << endl; - exit(1); - } -} - -void ReadTrainingCorpus(const string& fname, int rank, int size, vector<string>* c, vector<int>* ids) { - ReadFile rf(fname); - istream& in = *rf.stream(); - string line; - int lc = 0; - assert(size > 0); - assert(rank < size); - while(in) { - getline(in, line); - if (!in) break; - if (lc % size == rank) { - c->push_back(line); - ids->push_back(lc); - } - ++lc; - } -} - -struct TrainingObserver : public DecoderObserver { - TrainingObserver() : s_lhs(-TD::Convert("S")), goal_lhs(-TD::Convert("Goal")) {} - - void Reset() { - total_complete = 0; - } - - virtual void NotifyDecodingStart(const SentenceMetadata& smeta) { - state = 1; - used.clear(); - failed = true; - } - - virtual void NotifyTranslationForest(const SentenceMetadata& smeta, Hypergraph* hg) { - assert(state == 1); - for (int i = 0; i < hg->edges_.size(); ++i) { - const TRule* rule = hg->edges_[i].rule_.get(); - if (rule->lhs_ == s_lhs || rule->lhs_ == goal_lhs) // fragile hack to filter out glue rules - continue; - used.insert(rule); - } - state = 2; - } - - virtual void NotifyAlignmentForest(const SentenceMetadata& smeta, Hypergraph* hg) { - assert(state == 2); - state = 3; - } - - virtual void NotifyDecodingComplete(const SentenceMetadata& smeta) { - if (state == 3) { - failed = false; - } else { - failed = true; - } - } - - set<const TRule*> used; - - const int s_lhs; - const int goal_lhs; - bool failed; - int total_complete; - int state; -}; - -void work(const string& fname, int rank, int size, Decoder* decoder) { - cerr << "Worker " << rank << '/' << size << " starting.\n"; - vector<string> corpus; - vector<int> ids; - ReadTrainingCorpus(fname, rank, size, &corpus, &ids); - assert(corpus.size() > 0); - assert(corpus.size() == ids.size()); - cerr << " " << rank << '/' << size << ": has " << corpus.size() << " sentences to process\n"; - ostringstream oc; oc << "corpus." << rank << "_of_" << size; - WriteFile foc(oc.str()); - ostringstream og; og << "grammar." << rank << "_of_" << size << ".gz"; - WriteFile fog(og.str()); - - set<const TRule*> all_used; - TrainingObserver observer; - for (int i = 0; i < corpus.size(); ++i) { - const int sent_id = ids[i]; - const string& input = corpus[i]; - decoder->SetId(sent_id); - decoder->Decode(input, &observer); - if (observer.failed) { - // do nothing - } else { - (*foc.stream()) << input << endl; - for (set<const TRule*>::iterator it = observer.used.begin(); it != observer.used.end(); ++it) { - if (all_used.insert(*it).second) - (*fog.stream()) << **it << endl; - } - } - } -} - -int main(int argc, char** argv) { - register_feature_functions(); - - po::variables_map conf; - InitCommandLine(argc, argv, &conf); - const string fname = conf["training_data"].as<string>(); - const unsigned ncpus = conf["ncpus"].as<unsigned>(); - const unsigned shards = conf["shards"].as<unsigned>(); - const unsigned start = conf["starting_shard"].as<unsigned>(); - const unsigned work_limit = conf["work_limit"].as<unsigned>(); - const unsigned eff_shards = min(start + work_limit, shards); - cerr << "Processing shards " << start << "/" << shards << " to " << eff_shards << "/" << shards << endl; - assert(ncpus > 0); - 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(); - } - SetSilent(true); // turn off verbose decoder output - cerr << "Forking " << ncpus << " time(s)\n"; - vector<pid_t> children; - for (int i = 0; i < ncpus; ++i) { - pid_t pid = fork(); - if (pid < 0) { - cerr << "Fork failed!\n"; - exit(1); - } - if (pid > 0) { - children.push_back(pid); - } else { - for (int j = start; j < eff_shards; ++j) { - if (j % ncpus == i) { - cerr << " CPU " << i << " processing shard " << j << endl; - work(fname, j, shards, &decoder); - cerr << " Shard " << j << "/" << shards << " finished.\n"; - } - } - _exit(0); - } - } - for (int i = 0; i < children.size(); ++i) { - int status; - int w = waitpid(children[i], &status, 0); - if (w < 0) { cerr << "Error while waiting for children!"; return 1; } - if (WIFSIGNALED(status)) { - cerr << "Child " << i << " received signal " << WTERMSIG(status) << endl; - if (WTERMSIG(status) == 11) { cerr << " this is a SEGV- you may be trying to print temporarily created rules\n"; } - } - } - return 0; -} |