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-rw-r--r--training/dtrain/dtrain_net_interface.h76
1 files changed, 76 insertions, 0 deletions
diff --git a/training/dtrain/dtrain_net_interface.h b/training/dtrain/dtrain_net_interface.h
new file mode 100644
index 00000000..1c724b55
--- /dev/null
+++ b/training/dtrain/dtrain_net_interface.h
@@ -0,0 +1,76 @@
+#ifndef _DTRAIN_NET_H_
+#define _DTRAIN_NET_H_
+
+#include "dtrain.h"
+
+namespace dtrain
+{
+
+template<typename T>
+inline void
+vectorAsString(SparseVector<T>& v, ostringstream& os)
+{
+ SparseVector<weight_t>::iterator it = v.begin();
+ for (; it != v.end(); ++it) {
+ os << FD::Convert(it->first) << "=" << it->second;
+ auto peek = it;
+ if (++peek != v.end())
+ os << " ";
+ }
+}
+
+template<typename T>
+inline void
+updateVectorFromString(string& s, SparseVector<T>& v)
+{
+ string buf;
+ istringstream ss;
+ while (ss >> buf) {
+ size_t p = buf.find_last_of("=");
+ istringstream c(buf.substr(p+1,buf.size()));
+ weight_t val;
+ c >> val;
+ v[FD::Convert(buf.substr(0,p))] = val;
+ }
+}
+
+bool
+dtrain_net_init(int argc, char** argv, po::variables_map* conf)
+{
+ po::options_description ini("Configuration File Options");
+ ini.add_options()
+ ("decoder_conf,C", po::value<string>(), "configuration file for decoder")
+ ("k", po::value<size_t>()->default_value(100), "size of kbest list")
+ ("N", po::value<size_t>()->default_value(4), "N for BLEU approximation")
+ ("margin,m", po::value<weight_t>()->default_value(0.), "margin for margin perceptron")
+ ("output,o", po::value<string>()->default_value(""), "final weights file")
+ ("input_weights,w", po::value<string>(), "input weights file")
+ ("learning_rate,l", po::value<weight_t>()->default_value(1.0), "learning rate")
+ ("debug_output,d", po::value<string>()->default_value(""), "file for debug output");
+ po::options_description cl("Command Line Options");
+ cl.add_options()
+ ("conf,c", po::value<string>(), "dtrain configuration file")
+ ("addr,a", po::value<string>(), "address of master");
+ cl.add(ini);
+ po::store(parse_command_line(argc, argv, cl), *conf);
+ if (conf->count("conf")) {
+ ifstream f((*conf)["conf"].as<string>().c_str());
+ po::store(po::parse_config_file(f, ini), *conf);
+ }
+ po::notify(*conf);
+ if (!conf->count("decoder_conf")) {
+ cerr << "Missing decoder configuration. Exiting." << endl;
+ return false;
+ }
+ if (!conf->count("addr")) {
+ cerr << "No master address given! Exiting." << endl;
+ return false;
+ }
+
+ return true;
+}
+
+} // namespace
+
+#endif
+