From f09e46d9f15cbd33801d74058bcd7fd780daa047 Mon Sep 17 00:00:00 2001
From: redpony <redpony@ec762483-ff6d-05da-a07a-a48fb63a330f>
Date: Sat, 23 Oct 2010 14:33:21 +0000
Subject: train without mpi

git-svn-id: https://ws10smt.googlecode.com/svn/trunk@690 ec762483-ff6d-05da-a07a-a48fb63a330f
---
 training/Makefile.am            | 11 +++--------
 training/mpi_online_optimize.cc | 25 +++++++++++++++++++++++--
 training/online_train.cc        |  8 --------
 3 files changed, 26 insertions(+), 18 deletions(-)
 delete mode 100644 training/online_train.cc

diff --git a/training/Makefile.am b/training/Makefile.am
index b3f93529..89d4a4c9 100644
--- a/training/Makefile.am
+++ b/training/Makefile.am
@@ -9,7 +9,7 @@ bin_PROGRAMS = \
   plftools \
   collapse_weights \
   cllh_filter_grammar \
-  online_train
+  mpi_online_optimize
 
 noinst_PROGRAMS = \
   lbfgs_test \
@@ -17,18 +17,16 @@ noinst_PROGRAMS = \
 
 TESTS = lbfgs_test optimize_test
 
+mpi_online_optimize_SOURCES = mpi_online_optimize.cc online_optimizer.cc
+mpi_online_optimize_LDADD = $(top_srcdir)/decoder/libcdec.a $(top_srcdir)/mteval/libmteval.a $(top_srcdir)/utils/libutils.a -lz
 
 if MPI
 bin_PROGRAMS += mpi_batch_optimize \
-             mpi_online_optimize \
              compute_cllh
 
 mpi_batch_optimize_SOURCES = mpi_batch_optimize.cc optimize.cc
 mpi_batch_optimize_LDADD = $(top_srcdir)/decoder/libcdec.a $(top_srcdir)/mteval/libmteval.a $(top_srcdir)/utils/libutils.a -lz
 
-mpi_online_optimize_SOURCES = mpi_online_optimize.cc online_optimizer.cc
-mpi_online_optimize_LDADD = $(top_srcdir)/decoder/libcdec.a $(top_srcdir)/mteval/libmteval.a $(top_srcdir)/utils/libutils.a -lz
-
 compute_cllh_SOURCES = compute_cllh.cc
 compute_cllh_LDADD = $(top_srcdir)/decoder/libcdec.a $(top_srcdir)/mteval/libmteval.a $(top_srcdir)/utils/libutils.a -lz
 endif
@@ -36,9 +34,6 @@ endif
 cllh_filter_grammar_SOURCES = cllh_filter_grammar.cc
 cllh_filter_grammar_LDADD = $(top_srcdir)/decoder/libcdec.a $(top_srcdir)/mteval/libmteval.a $(top_srcdir)/utils/libutils.a -lz
 
-online_train_SOURCES = online_train.cc online_optimizer.cc
-online_train_LDADD = $(top_srcdir)/decoder/libcdec.a $(top_srcdir)/utils/libutils.a -lz
-
 atools_SOURCES = atools.cc
 atools_LDADD = $(top_srcdir)/decoder/libcdec.a $(top_srcdir)/utils/libutils.a -lz
 
diff --git a/training/mpi_online_optimize.cc b/training/mpi_online_optimize.cc
index 96f3bcfb..0f994c59 100644
--- a/training/mpi_online_optimize.cc
+++ b/training/mpi_online_optimize.cc
@@ -6,10 +6,12 @@
 #include <cmath>
 #include <tr1/memory>
 
-#include <boost/mpi/timer.hpp>
-#include <boost/mpi.hpp>
 #include <boost/program_options.hpp>
 #include <boost/program_options/variables_map.hpp>
+#ifdef HAVE_MPI
+#include <boost/mpi/timer.hpp>
+#include <boost/mpi.hpp>
+#endif
 
 #include "verbose.h"
 #include "hg.h"
@@ -194,6 +196,7 @@ struct TrainingObserver : public DecoderObserver {
   int state;
 };
 
+#ifdef HAVE_MPI
 namespace mpi = boost::mpi;
 
 namespace boost { namespace mpi {
@@ -201,6 +204,7 @@ namespace boost { namespace mpi {
   struct is_commutative<std::plus<SparseVector<double> >, SparseVector<double> > 
     : mpl::true_ { };
 } } // end namespace boost::mpi
+#endif
 
 bool LoadAgenda(const string& file, vector<pair<string, int> >* a) {
   ReadFile rf(file);
@@ -229,10 +233,15 @@ bool LoadAgenda(const string& file, vector<pair<string, int> >* a) {
 }
 
 int main(int argc, char** argv) {
+#ifdef HAVE_MPI
   mpi::environment env(argc, argv);
   mpi::communicator world;
   const int size = world.size(); 
   const int rank = world.rank();
+#else
+  const int size = 1;
+  const int rank = 0;
+#endif
   if (size > 1) SetSilent(true);  // turn off verbose decoder output
   register_feature_functions();
   std::tr1::shared_ptr<MT19937> rng;
@@ -261,7 +270,11 @@ int main(int argc, char** argv) {
   }
 
   size_t total_corpus_size = 0;
+#ifdef HAVE_MPI
   reduce(world, corpus.size(), total_corpus_size, std::plus<size_t>(), 0);
+#else
+  total_corpus_size = corpus.size();
+#endif
 
   if (rank == 0) {
     cerr << "Total corpus size: " << total_corpus_size << endl;
@@ -311,7 +324,9 @@ int main(int argc, char** argv) {
     int iter = -1;
     bool converged = false;
     while (!converged) {
+#ifdef HAVE_MPI
       mpi::timer timer;
+#endif
       weights.InitFromVector(x);
       weights.InitVector(&lambdas);
       ++iter; ++titer;
@@ -342,16 +357,22 @@ int main(int argc, char** argv) {
       }
       SparseVector<double> local_grad, g;
       observer.GetGradient(&local_grad);
+#ifdef HAVE_MPI
       reduce(world, local_grad, g, std::plus<SparseVector<double> >(), 0);
+#else
+      g.swap(local_grad);
+#endif
       local_grad.clear();
       if (rank == 0) {
         g /= (size_per_proc * size);
         o->UpdateWeights(g, FD::NumFeats(), &x);
       }
+#ifdef HAVE_MPI
       broadcast(world, x, 0);
       broadcast(world, converged, 0);
       world.barrier();
       if (rank == 0) { cerr << "  ELAPSED TIME THIS ITERATION=" << timer.elapsed() << endl; }
+#endif
     }
   }
   return 0;
diff --git a/training/online_train.cc b/training/online_train.cc
deleted file mode 100644
index 2e906913..00000000
--- a/training/online_train.cc
+++ /dev/null
@@ -1,8 +0,0 @@
-#include <iostream>
-
-#include "online_optimizer.h"
-
-int main(int argc, char** argv) {
-  return 0;
-}
-
-- 
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