move moses/src/* to moses/

1 files changed, 238 insertions, 0 deletions

diff --git a/moses/SentenceStats.h b/moses/SentenceStats.h
new file mode 100644
index 000000000..1aff01a43
--- /dev/null
+++ b/moses/SentenceStats.h
@@ -0,0 +1,238 @@
+// $Id$
+
+/***********************************************************************
+Moses - factored phrase-based language decoder
+Copyright (C) 2006 University of Edinburgh
+
+This library is free software; you can redistribute it and/or
+modify it under the terms of the GNU Lesser General Public
+License as published by the Free Software Foundation; either
+version 2.1 of the License, or (at your option) any later version.
+
+This library is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public
+License along with this library; if not, write to the Free Software
+Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+***********************************************************************/
+
+#ifndef moses_SentenceStats_h
+#define moses_SentenceStats_h
+
+#include <iostream>
+#include <string>
+#include <vector>
+#include <time.h>
+#include "Phrase.h"
+#include "Hypothesis.h"
+#include "TypeDef.h" //FactorArray
+#include "InputType.h"
+#include "Util.h" //Join()
+
+namespace Moses
+{
+
+//! Hold info about recombination. Used by SentenceStats class
+struct RecombinationInfo {
+  RecombinationInfo() {} //for std::vector
+  RecombinationInfo(size_t srcWords, float gProb, float bProb)
+    : numSourceWords(srcWords), betterProb(gProb), worseProb(bProb) {}
+
+  size_t numSourceWords;
+  float betterProb, worseProb;
+};
+
+/**
+ * stats relating to decoder operation on a given sentence
+ */
+class SentenceStats
+{
+public:
+
+  /***
+   * to be called before decoding a sentence
+   */
+  SentenceStats(const InputType& source) {
+    Initialize(source);
+  }
+  void Initialize(const InputType& source) {
+    m_numHyposCreated = 0;
+    m_numHyposPruned = 0;
+    m_numHyposDiscarded = 0;
+    m_numHyposEarlyDiscarded = 0;
+    m_numHyposNotBuilt = 0;
+    m_timeCollectOpts = 0;
+    m_timeBuildHyp = 0;
+    m_timeEstimateScore = 0;
+    m_timeCalcLM = 0;
+    m_timeOtherScore = 0;
+    m_timeStack = 0;
+    m_totalSourceWords = source.GetSize();
+    m_recombinationInfos.clear();
+    m_deletedWords.clear();
+    m_insertedWords.clear();
+  }
+
+  /***
+   * to be called after decoding a sentence
+   */
+  void CalcFinalStats(const Hypothesis& bestHypo);
+
+  unsigned int GetTotalHypos() const {
+    return m_numHyposCreated + m_numHyposNotBuilt;
+  }
+  size_t GetNumHyposRecombined() const {
+    return m_recombinationInfos.size();
+  }
+  unsigned int GetNumHyposPruned() const {
+    return m_numHyposPruned;
+  }
+  unsigned int GetNumHyposDiscarded() const {
+    return m_numHyposDiscarded;
+  }
+  unsigned int GetNumHyposEarlyDiscarded() const {
+    return m_numHyposEarlyDiscarded;
+  }
+  unsigned int GetNumHyposNotBuilt() const {
+    return m_numHyposNotBuilt;
+  }
+  float GetTimeCollectOpts() const {
+    return m_timeCollectOpts/(float)CLOCKS_PER_SEC;
+  }
+  float GetTimeBuildHyp() const {
+    return m_timeBuildHyp/(float)CLOCKS_PER_SEC;
+  }
+  float GetTimeCalcLM() const {
+    return m_timeCalcLM/(float)CLOCKS_PER_SEC;
+  }
+  float GetTimeEstimateScore() const {
+    return m_timeEstimateScore/(float)CLOCKS_PER_SEC;
+  }
+  float GetTimeOtherScore() const {
+    return m_timeOtherScore/(float)CLOCKS_PER_SEC;
+  }
+  float GetTimeStack() const {
+    return m_timeStack/(float)CLOCKS_PER_SEC;
+  }
+  float GetTimeTotal() const {
+    return m_timeTotal/(float)CLOCKS_PER_SEC;
+  }
+  size_t GetTotalSourceWords() const {
+    return m_totalSourceWords;
+  }
+  size_t GetNumWordsDeleted() const {
+    return m_deletedWords.size();
+  }
+  size_t GetNumWordsInserted() const {
+    return m_insertedWords.size();
+  }
+  const std::vector<const Phrase*>& GetDeletedWords() const {
+    return m_deletedWords;
+  }
+  const std::vector<std::string>& GetInsertedWords() const {
+    return m_insertedWords;
+  }
+
+  void AddRecombination(const Hypothesis& worseHypo, const Hypothesis& betterHypo) {
+    m_recombinationInfos.push_back(RecombinationInfo(worseHypo.GetWordsBitmap().GetNumWordsCovered(),
+                                   betterHypo.GetTotalScore(), worseHypo.GetTotalScore()));
+  }
+  void AddCreated() {
+    m_numHyposCreated++;
+  }
+  void AddPruning() {
+    m_numHyposPruned++;
+  }
+  void AddEarlyDiscarded() {
+    m_numHyposEarlyDiscarded++;
+  }
+  void AddNotBuilt() {
+    m_numHyposNotBuilt++;
+  }
+  void AddDiscarded() {
+    m_numHyposDiscarded++;
+  }
+
+  void AddTimeCollectOpts( clock_t t ) {
+    m_timeCollectOpts += t;
+  }
+  void AddTimeBuildHyp( clock_t t ) {
+    m_timeBuildHyp += t;
+  }
+  void AddTimeCalcLM( clock_t t ) {
+    m_timeCalcLM += t;
+  }
+  void AddTimeEstimateScore( clock_t t ) {
+    m_timeEstimateScore += t;
+  }
+  void AddTimeOtherScore( clock_t t ) {
+    m_timeOtherScore += t;
+  }
+  void AddTimeStack( clock_t t ) {
+    m_timeStack += t;
+  }
+  void SetTimeTotal( clock_t t ) {
+    m_timeTotal = t;
+  }
+
+protected:
+
+  /***
+   * auxiliary to CalcFinalStats()
+   */
+  void AddDeletedWords(const Hypothesis& hypo);
+
+  //hypotheses
+  // TODO: Move away from clock_t in favor of just storing doubles of the number of seconds
+  // since clock seconds aren't reliable in a multi-threaded environment -Jon
+  // (see Manager.cpp for some initial work moving in this direction)
+  std::vector<RecombinationInfo> m_recombinationInfos;
+  unsigned int m_numHyposCreated;
+  unsigned int m_numHyposPruned;
+  unsigned int m_numHyposDiscarded;
+  unsigned int m_numHyposEarlyDiscarded;
+  unsigned int m_numHyposNotBuilt;
+  clock_t m_timeCollectOpts;
+  clock_t m_timeBuildHyp;
+  clock_t m_timeEstimateScore;
+  clock_t m_timeCalcLM;
+  clock_t m_timeOtherScore;
+  clock_t m_timeStack;
+  clock_t m_timeTotal;
+
+  //words
+  size_t m_totalSourceWords;
+  std::vector<const Phrase*> m_deletedWords; //count deleted words/phrases in the final hypothesis
+  std::vector<std::string> m_insertedWords; //count inserted words in the final hypothesis
+};
+
+inline std::ostream& operator<<(std::ostream& os, const SentenceStats& ss)
+{
+  float totalTime = ss.GetTimeTotal();
+  float otherTime = totalTime - (ss.GetTimeCollectOpts() + ss.GetTimeBuildHyp() + ss.GetTimeEstimateScore() + ss.GetTimeCalcLM() + ss.GetTimeOtherScore() + ss.GetTimeStack());
+
+  return os << "total hypotheses considered = " << ss.GetTotalHypos() << std::endl
+         << "           number not built = " << ss.GetNumHyposNotBuilt() << std::endl
+         << "     number discarded early = " << ss.GetNumHyposEarlyDiscarded() << std::endl
+         << "           number discarded = " << ss.GetNumHyposDiscarded() << std::endl
+         << "          number recombined = " << ss.GetNumHyposRecombined() << std::endl
+         << "              number pruned = " << ss.GetNumHyposPruned() << std::endl
+
+         << "time to collect opts    " << ss.GetTimeCollectOpts()   << " (" << (int)(100 * ss.GetTimeCollectOpts()/totalTime) << "%)" << std::endl
+         << "        create hyps     " << ss.GetTimeBuildHyp()      << " (" << (int)(100 * ss.GetTimeBuildHyp()/totalTime) << "%)" << std::endl
+         << "        estimate score  " << ss.GetTimeEstimateScore() << " (" << (int)(100 * ss.GetTimeEstimateScore()/totalTime) << "%)" << std::endl
+         << "        calc lm         " << ss.GetTimeCalcLM()        << " (" << (int)(100 * ss.GetTimeCalcLM()/totalTime) << "%)" << std::endl
+         << "        other hyp score " << ss.GetTimeOtherScore()    << " (" << (int)(100 * ss.GetTimeOtherScore()/totalTime) << "%)" << std::endl
+         << "        manage stacks   " << ss.GetTimeStack()         << " (" << (int)(100 * ss.GetTimeStack()/totalTime) << "%)" << std::endl
+         << "        other           " << otherTime                 << " (" << (int)(100 * otherTime/totalTime) << "%)" << std::endl
+
+         << "total source words = " << ss.GetTotalSourceWords() << std::endl
+         << "     words deleted = " << ss.GetNumWordsDeleted() << " (" << Join(" ", ss.GetDeletedWords()) << ")" << std::endl
+         << "    words inserted = " << ss.GetNumWordsInserted() << " (" << Join(" ", ss.GetInsertedWords()) << ")" << std::endl;
+}
+
+}
+#endif