From 8aa29810bb77611cc20b7a384897ff6703783ea1 Mon Sep 17 00:00:00 2001
From: Chris Dyer <cdyer@allegro.clab.cs.cmu.edu>
Date: Sun, 18 Nov 2012 13:35:42 -0500
Subject: major restructure of the training code

---
 training/mr_em_map_adapter.cc | 160 ------------------------------------------
 1 file changed, 160 deletions(-)
 delete mode 100644 training/mr_em_map_adapter.cc

(limited to 'training/mr_em_map_adapter.cc')

diff --git a/training/mr_em_map_adapter.cc b/training/mr_em_map_adapter.cc
deleted file mode 100644
index ead4598d..00000000
--- a/training/mr_em_map_adapter.cc
+++ /dev/null
@@ -1,160 +0,0 @@
-#include <iostream>
-#include <fstream>
-#include <cassert>
-#include <cmath>
-
-#include <boost/utility.hpp>
-#include <boost/program_options.hpp>
-#include <boost/program_options/variables_map.hpp>
-#include "boost/tuple/tuple.hpp"
-
-#include "fdict.h"
-#include "sparse_vector.h"
-
-using namespace std;
-namespace po = boost::program_options;
-
-// useful for EM models parameterized by a bunch of multinomials
-// this converts event counts (returned from cdec as feature expectations)
-// into different keys and values (which are lists of all the events,
-// conditioned on the key) for summing and normalization by a reducer
-
-void InitCommandLine(int argc, char** argv, po::variables_map* conf) {
-  po::options_description opts("Configuration options");
-  opts.add_options()
-        ("buffer_size,b", po::value<int>()->default_value(1), "Buffer size (in # of counts) before emitting counts")
-        ("format,f",po::value<string>()->default_value("b64"), "Encoding of the input (b64 or text)");
-  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")) {
-    cerr << dcmdline_options << endl;
-    exit(1);
-  }
-}
-
-struct EventMapper {
-  int Map(int fid) {
-    int& cv = map_[fid];
-    if (!cv) {
-      cv = GetConditioningVariable(fid);
-    }
-    return cv;
-  }
-  void Clear() { map_.clear(); }
- protected:
-  virtual int GetConditioningVariable(int fid) const = 0;
- private:
-  map<int, int> map_;
-};
-
-struct LexAlignEventMapper : public EventMapper {
- protected:
-  virtual int GetConditioningVariable(int fid) const {
-    const string& str = FD::Convert(fid);
-    size_t pos = str.rfind("_");
-    if (pos == string::npos || pos == 0 || pos >= str.size() - 1) {
-      cerr << "Bad feature for EM adapter: " << str << endl;
-      abort();
-    }
-    return FD::Convert(str.substr(0, pos));
-  }
-};
-
-int main(int argc, char** argv) {
-  po::variables_map conf;
-  InitCommandLine(argc, argv, &conf);
-
-  const bool use_b64 = conf["format"].as<string>() == "b64";
-  const int buffer_size = conf["buffer_size"].as<int>();
-
-  const string s_obj = "**OBJ**";
-  // 0<TAB>**OBJ**=12.2;Feat1=2.3;Feat2=-0.2;
-  // 0<TAB>**OBJ**=1.1;Feat1=1.0;
-
-  EventMapper* event_mapper = new LexAlignEventMapper;
-  map<int, SparseVector<double> > counts;
-  size_t total = 0;
-  while(cin) {
-    string line;
-    getline(cin, line);
-    if (line.empty()) continue;
-    int feat;
-    double val;
-    size_t i = line.find("\t");
-    assert(i != string::npos);
-    ++i;
-    SparseVector<double> g;
-    double obj = 0;
-    if (use_b64) {
-      if (!B64::Decode(&obj, &g, &line[i], line.size() - i)) {
-        cerr << "B64 decoder returned error, skipping!\n";
-        continue;
-      }
-    } else {       // text encoding - your counts will not be accurate!
-      while (i < line.size()) {
-        size_t start = i;
-        while (line[i] != '=' && i < line.size()) ++i;
-        if (i == line.size()) { cerr << "FORMAT ERROR\n"; break; }
-        string fname = line.substr(start, i - start);
-        if (fname == s_obj) {
-          feat = -1;
-        } else {
-          feat = FD::Convert(line.substr(start, i - start));
-        }
-        ++i;
-        start = i;
-        while (line[i] != ';' && i < line.size()) ++i;
-        if (i - start == 0) continue;
-        val = atof(line.substr(start, i - start).c_str());
-        ++i;
-        if (feat == -1) {
-          obj = val;
-        } else {
-          g.set_value(feat, val);
-        }
-      }
-    }
-    //cerr << "OBJ: " << obj << endl;
-    const SparseVector<double>& cg = g;
-    for (SparseVector<double>::const_iterator it = cg.begin(); it != cg.end(); ++it) {
-      const int cond_var = event_mapper->Map(it->first);
-      SparseVector<double>& cond_counts = counts[cond_var];
-      int delta = cond_counts.size();
-      cond_counts.add_value(it->first, it->second);
-      delta = cond_counts.size() - delta;
-      total += delta;
-    }
-    if (total > buffer_size) {
-      for (map<int, SparseVector<double> >::iterator it = counts.begin();
-           it != counts.end(); ++it) {
-        const SparseVector<double>& cc = it->second;
-        cout << FD::Convert(it->first) << '\t';
-        if (use_b64) {
-          B64::Encode(0.0, cc, &cout);
-        } else {
-          abort();
-        }
-        cout << endl;
-      }
-      cout << flush;
-      total = 0;
-      counts.clear();
-    }
-  }
-
-  return 0;
-}
-
-- 
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