1 files changed, 114 insertions, 0 deletions
diff --git a/training/cluster-em.pl b/training/cluster-em.pl
new file mode 100755
index 00000000..267ab642
--- /dev/null
+++ b/training/cluster-em.pl
@@ -0,0 +1,114 @@
+#!/usr/bin/perl -w
+
+use strict;
+my $SCRIPT_DIR; BEGIN { use Cwd qw/ abs_path /; use File::Basename; $SCRIPT_DIR = dirname(abs_path($0)); push @INC, $SCRIPT_DIR; }
+use Getopt::Long;
+my $parallel = 0;
+
+my $CWD=`pwd`; chomp $CWD;
+my $BIN_DIR = "$CWD/..";
+my $REDUCER = "$BIN_DIR/training/mr_em_adapted_reduce";
+my $REDUCE2WEIGHTS = "$BIN_DIR/training/mr_reduce_to_weights";
+my $ADAPTER = "$BIN_DIR/training/mr_em_map_adapter";
+my $DECODER = "$BIN_DIR/decoder/cdec";
+my $COMBINER_CACHE_SIZE = 10000000;
+my $PARALLEL = "/chomes/redpony/svn-trunk/sa-utils/parallelize.pl";
+die "Can't find $REDUCER" unless -f $REDUCER;
+die "Can't execute $REDUCER" unless -x $REDUCER;
+die "Can't find $REDUCE2WEIGHTS" unless -f $REDUCE2WEIGHTS;
+die "Can't execute $REDUCE2WEIGHTS" unless -x $REDUCE2WEIGHTS;
+die "Can't find $ADAPTER" unless -f $ADAPTER;
+die "Can't execute $ADAPTER" unless -x $ADAPTER;
+die "Can't find $DECODER" unless -f $DECODER;
+die "Can't execute $DECODER" unless -x $DECODER;
+my $restart = '';
+if ($ARGV[0] && $ARGV[0] eq '--restart') { shift @ARGV; $restart = 1; }
+
+die "Usage: $0 [--restart] training.corpus cdec.ini\n" unless (scalar @ARGV == 2);
+
+my $training_corpus = shift @ARGV;
+my $config = shift @ARGV;
+my $pmem="2500mb";
+my $nodes = 40;
+my $max_iteration = 1000;
+my $CFLAG = "-C 1";
+if ($parallel) {
+  die "Can't find $PARALLEL" unless -f $PARALLEL;
+  die "Can't execute $PARALLEL" unless -x $PARALLEL;
+} else { $CFLAG = "-C 500"; }
+
+my $initial_weights = '';
+
+print STDERR <<EOT;
+EM TRAIN CONFIGURATION INFORMATION
+
+      Config file: $config
+  Training corpus: $training_corpus
+  Initial weights: $initial_weights
+   Decoder memory: $pmem
+  Nodes requested: $nodes
+   Max iterations: $max_iteration
+          restart: $restart
+EOT
+
+my $nodelist="1";
+for (my $i=1; $i<$nodes; $i++) { $nodelist .= " 1"; }
+my $iter = 1;
+
+my $dir = "$CWD/emtrain";
+if ($restart) {
+  die "$dir doesn't exist, but --restart specified!\n" unless -d $dir;
+  my $o = `ls -t $dir/weights.*`;
+  my ($a, @x) = split /\n/, $o;
+  if ($a =~ /weights.(\d+)\.gz$/) {
+    $iter = $1;
+  } else {
+    die "Unexpected file: $a!\n";
+  }
+  print STDERR "Restarting at iteration $iter\n";
+} else {
+  die "$dir already exists!\n" if -e $dir;
+  mkdir $dir or die "Can't create $dir: $!";
+
+  if ($initial_weights) {
+    unless ($initial_weights =~ /\.gz$/) {
+      `cp $initial_weights $dir/weights.1`;
+      `gzip -9 $dir/weights.1`;
+    } else {
+      `cp $initial_weights $dir/weights.1.gz`;
+    }
+  }
+}
+
+while ($iter < $max_iteration) {
+  my $cur_time = `date`; chomp $cur_time;
+  print STDERR "\nStarting iteration $iter...\n";
+  print STDERR "  time: $cur_time\n";
+  my $start = time;
+  my $next_iter = $iter + 1;
+  my $WSTR = "-w $dir/weights.$iter.gz";
+  if ($iter == 1) { $WSTR = ''; }
+  my $dec_cmd="$DECODER --feature_expectations -c $config $WSTR $CFLAG < $training_corpus 2> $dir/deco.log.$iter";
+  my $pcmd = "$PARALLEL -e $dir/err -p $pmem --nodelist \"$nodelist\" -- ";
+  my $cmd = "";
+  if ($parallel) { $cmd = $pcmd; }
+  $cmd .= "$dec_cmd";
+  $cmd .= "| $ADAPTER | sort -k1 | $REDUCER | $REDUCE2WEIGHTS -o $dir/weights.$next_iter.gz";
+  print STDERR "EXECUTING: $cmd\n";
+  my $result = `$cmd`;
+  if ($? != 0) {
+    die "Error running iteration $iter: $!";
+  }
+  chomp $result;
+  my $end = time;
+  my $diff = ($end - $start);
+  print STDERR "  ITERATION $iter TOOK $diff SECONDS\n";
+  $iter = $next_iter;
+  if ($result =~ /1$/) {
+    print STDERR "Training converged.\n";
+    last;
+  }
+}
+
+print "FINAL WEIGHTS: $dir/weights.$iter\n";
+