From 02099a01350a41a99ec400e9b29df08a01d88979 Mon Sep 17 00:00:00 2001
From: Paul Baltescu <pauldb89@gmail.com>
Date: Tue, 4 Jun 2013 23:17:57 +0100
Subject: Serialize data structures.

---
 extractor/compile.cc | 82 ++++++++++++++++++++++++++++++++++++++++++++++++----
 1 file changed, 76 insertions(+), 6 deletions(-)

(limited to 'extractor/compile.cc')

diff --git a/extractor/compile.cc b/extractor/compile.cc
index a9ae2cef..65fdd509 100644
--- a/extractor/compile.cc
+++ b/extractor/compile.cc
@@ -1,6 +1,8 @@
+#include <fstream>
 #include <iostream>
 #include <string>
 
+#include <boost/archive/binary_oarchive.hpp>
 #include <boost/filesystem.hpp>
 #include <boost/program_options.hpp>
 #include <boost/program_options/variables_map.hpp>
@@ -9,8 +11,10 @@
 #include "data_array.h"
 #include "precomputation.h"
 #include "suffix_array.h"
+#include "time_util.h"
 #include "translation_table.h"
 
+namespace ar = boost::archive;
 namespace fs = boost::filesystem;
 namespace po = boost::program_options;
 using namespace std;
@@ -58,11 +62,14 @@ int main(int argc, char** argv) {
     return 1;
   }
 
-  fs::path output_dir(vm["output"].as<string>().c_str());
+  fs::path output_dir(vm["output"].as<string>());
   if (!fs::exists(output_dir)) {
     fs::create_directory(output_dir);
   }
 
+  // Reading source and target data.
+  Clock::time_point start_time = Clock::now();
+  cerr << "Reading source and target data..." << endl;
   shared_ptr<DataArray> source_data_array, target_data_array;
   if (vm.count("bitext")) {
     source_data_array = make_shared<DataArray>(
@@ -73,15 +80,53 @@ int main(int argc, char** argv) {
     source_data_array = make_shared<DataArray>(vm["source"].as<string>());
     target_data_array = make_shared<DataArray>(vm["target"].as<string>());
   }
+
+  Clock::time_point start_write = Clock::now();
+  ofstream target_fstream((output_dir / fs::path("target.bin")).string());
+  ar::binary_oarchive target_stream(target_fstream);
+  target_stream << *target_data_array;
+  Clock::time_point stop_write = Clock::now();
+  double write_duration = GetDuration(start_write, stop_write);
+
+  Clock::time_point stop_time = Clock::now();
+  cerr << "Reading data took " << GetDuration(start_time, stop_time)
+       << " seconds" << endl;
+
+  // Constructing and compiling the suffix array.
+  start_time = Clock::now();
+  cerr << "Constructing source suffix array..." << endl;
   shared_ptr<SuffixArray> source_suffix_array =
       make_shared<SuffixArray>(source_data_array);
-  source_suffix_array->WriteBinary(output_dir / fs::path("f.bin"));
-  target_data_array->WriteBinary(output_dir / fs::path("e.bin"));
 
+  start_write = Clock::now();
+  ofstream source_fstream((output_dir / fs::path("source.bin")).string());
+  ar::binary_oarchive output_stream(source_fstream);
+  output_stream << *source_suffix_array;
+  stop_write = Clock::now();
+  write_duration += GetDuration(start_write, stop_write);
+
+  cerr << "Constructing suffix array took "
+       << GetDuration(start_time, stop_time) << " seconds" << endl;
+
+  // Reading alignment.
+  start_time = Clock::now();
+  cerr << "Reading alignment..." << endl;
   shared_ptr<Alignment> alignment =
       make_shared<Alignment>(vm["alignment"].as<string>());
-  alignment->WriteBinary(output_dir / fs::path("a.bin"));
 
+  start_write = Clock::now();
+  ofstream alignment_fstream((output_dir / fs::path("alignment.bin")).string());
+  ar::binary_oarchive alignment_stream(alignment_fstream);
+  alignment_stream << *alignment;
+  stop_write = Clock::now();
+  write_duration += GetDuration(start_write, stop_write);
+
+  stop_time = Clock::now();
+  cerr << "Reading alignment took "
+       << GetDuration(start_time, stop_time) << " seconds" << endl;
+
+  start_time = Clock::now();
+  cerr << "Precomputing collocations..." << endl;
   Precomputation precomputation(
       source_suffix_array,
       vm["frequent"].as<int>(),
@@ -91,10 +136,35 @@ int main(int argc, char** argv) {
       vm["min_gap_size"].as<int>(),
       vm["max_phrase_len"].as<int>(),
       vm["min_frequency"].as<int>());
-  precomputation.WriteBinary(output_dir / fs::path("precompute.bin"));
 
+  start_write = Clock::now();
+  ofstream precomp_fstream((output_dir / fs::path("precomp.bin")).string());
+  ar::binary_oarchive precomp_stream(precomp_fstream);
+  precomp_stream << precomputation;
+  stop_write = Clock::now();
+  write_duration += GetDuration(start_write, stop_write);
+
+  stop_time = Clock::now();
+  cerr << "Precomputing collocations took "
+       << GetDuration(start_time, stop_time) << " seconds" << endl;
+
+  start_time = Clock::now();
+  cerr << "Precomputing conditional probabilities..." << endl;
   TranslationTable table(source_data_array, target_data_array, alignment);
-  table.WriteBinary(output_dir / fs::path("lex.bin"));
+
+  start_write = Clock::now();
+  ofstream table_fstream((output_dir / fs::path("bilex.bin")).string());
+  ar::binary_oarchive table_stream(table_fstream);
+  table_stream << table;
+  stop_write = Clock::now();
+  write_duration += GetDuration(start_write, stop_write);
+
+  stop_time = Clock::now();
+  cerr << "Precomputing conditional probabilities took "
+       << GetDuration(start_time, stop_time) << " seconds" << endl;
+
+  cerr << "Total time spent writing: " << write_duration
+       << " seconds" << endl;
 
   return 0;
 }
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