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author | Barry Haddow <barry.haddow@gmail.com> | 2013-03-15 20:13:33 +0400 |
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committer | Barry Haddow <barry.haddow@gmail.com> | 2013-03-15 20:13:33 +0400 |
commit | 4c2e2d768b9c2454f2ba92916cc3b131fcb76978 (patch) | |
tree | 39705f982504bc4247202b1cc7d13005e1651aef /scripts/training | |
parent | 3805d8825edcbcef1ac1b2cbe148707edeeddece (diff) |
Update mert training to use interpolated ttable
Diffstat (limited to 'scripts/training')
-rwxr-xr-x | scripts/training/mert-moses.pl | 66 |
1 files changed, 28 insertions, 38 deletions
diff --git a/scripts/training/mert-moses.pl b/scripts/training/mert-moses.pl index a703bf744..688e8ce55 100755 --- a/scripts/training/mert-moses.pl +++ b/scripts/training/mert-moses.pl @@ -125,8 +125,6 @@ my $___BATCH_MIRA = 0; # flg to enable batch MIRA my $__PROMIX_TRAINING = undef; # Location of main script (contrib/promix/main.py) # The phrase tables. These should be gzip text format. my @__PROMIX_TABLES; -# The tmcombine script -my $__TMCOMBINE = "$SCRIPTS_ROOTDIR/../contrib/tmcombine/tmcombine.py"; # used to filter output my $__REMOVE_SEGMENTATION = "$SCRIPTS_ROOTDIR/ems/support/remove-segmentation-markup.perl"; @@ -386,14 +384,13 @@ if (($___PAIRWISE_RANKED_OPTIMIZER || $___PRO_STARTING_POINT) && ! -x $pro_optim if ($__PROMIX_TRAINING) { die "Not executable $__PROMIX_TRAINING" unless -x $__PROMIX_TRAINING; - die "For mixture model training, specify the tables with --phrase-weighting-tables" unless @__PROMIX_TABLES; + die "For promix training, specify the tables using --promix-table arguments" unless @__PROMIX_TABLES; die "For mixture model, need at least 2 tables" unless scalar(@__PROMIX_TABLES) > 1; for my $TABLE (@__PROMIX_TABLES) { die "Phrase table $TABLE not found" unless -r $TABLE; } - die "Not executable: $__TMCOMBINE" unless -x $__TMCOMBINE; - die "To use phrase-weighting, need to specify a filter and binarisation command" unless $filtercmd =~ /Binarizer/; + die "To use promix training, need to specify a filter and binarisation command" unless $filtercmd =~ /Binarizer/; } $mertargs = "" if !defined $mertargs; @@ -519,25 +516,23 @@ my $prev_score_file = undef; my $prev_init_file = undef; my @allnbests; -# If we're training mixture models, need to make sure the appropriate +# If we're doing promix training, need to make sure the appropriate # tables are in place my @_PROMIX_TABLES_BIN; if ($__PROMIX_TRAINING) { - print STDERR "Training mixture model\n"; + print STDERR "Training mixture model using promix\n"; for (my $i = 0; $i < scalar(@__PROMIX_TABLES); ++$i) { # Create filtered, binarised tables my $filtered_config = "moses_$i.ini"; substitute_ttable($___CONFIG, $filtered_config, $__PROMIX_TABLES[$i]); + #TODO: Remove reordering table from config, as we don't need to filter + # and binarise it. my $filtered_path = "filtered_$i"; my $___FILTER_F = $___DEV_F; $___FILTER_F = $filterfile if (defined $filterfile); my $cmd = "$filtercmd ./$filtered_path $filtered_config $___FILTER_F"; &submit_or_exec($cmd, "filterphrases_$i.out", "filterphrases_$i.err"); push (@_PROMIX_TABLES_BIN,"$filtered_path/phrase-table.0-0.1.1"); - - # Create directory structure for the text phrase tables required by tmcombine - mkpath("model_$i/model") || die "Failed to create model_$i/model"; - safesystem("ln -s ../../$filtered_path/phrase-table.0-0.1.1 model_$i/model/phrase-table"); } } @@ -698,6 +693,8 @@ my $orig_nbest_file = undef; # replaced if lattice sampling # For mixture modelling my @promix_weights; my $num_mixed_phrase_features; +my $interpolated_config; +my $uninterpolated_config; # backup of config without interpolated ttable while (1) { $run++; @@ -708,22 +705,23 @@ while (1) { print "run $run start at ".`date`; if ($__PROMIX_TRAINING) { - # Need to interpolate the phrase tables with current weights, and binarise + # Need to create an ini file for the interpolated phrase table if (!@promix_weights) { + # Create initial weights, distributing evenly between tables # total number of weights is 1 less than number of phrase features, multiplied # by the number of tables $num_mixed_phrase_features = (grep { $_ eq 'tm' } @{$featlist->{"names"}}) - 1; @promix_weights = (1.0/scalar(@__PROMIX_TABLES)) x ($num_mixed_phrase_features * scalar(@__PROMIX_TABLES)); - } + } + + # backup orig config, so we always add the table into it + $uninterpolated_config= $___CONFIG unless $uninterpolated_config; - # make a backup copy of startup ini filepath - $___CONFIG_ORIG = $___CONFIG unless defined($___CONFIG_ORIG); # Interpolation - my $interpolated_phrase_table = "./phrase-table.interpolated.gz"; - my $cmd = "$__TMCOMBINE combine_given_weights "; - $cmd .= join(" ", map {"model_$_"} (0..(scalar(@__PROMIX_TABLES)-1))); + my $interpolated_phrase_table = "naive "; + $interpolated_phrase_table .= join(" ", @_PROMIX_TABLES_BIN); # convert from table,feature ordering to feature,table ordering my @transposed_weights; for my $feature (0..($num_mixed_phrase_features-1)) { @@ -733,27 +731,15 @@ while (1) { } push @transposed_weights, join ",", @table_weights; } - - $cmd .= " -w \"" . join(";",@transposed_weights) . "\""; - $cmd .= " -o $interpolated_phrase_table"; - &submit_or_exec($cmd, "interpolate.out", "interpolate.err"); - print "finished interpolation at ".`date`; + $interpolated_phrase_table .= " "; + $interpolated_phrase_table .= join(";",@transposed_weights); # Create an ini file for the interpolated phrase table - my $interpolated_config ="moses.interpolated.ini"; - substitute_ttable($___CONFIG_ORIG, $interpolated_config, $interpolated_phrase_table); - - # Filter and binarise - print STDERR "filtering the interpolated phrase table\n"; - my $___FILTER_F = $___DEV_F; - my $outdir = "filtered"; - safesystem("rm -rf $outdir"); - $___FILTER_F = $filterfile if (defined $filterfile); - $cmd = "$filtercmd ./$outdir $interpolated_config $___FILTER_F"; - &submit_or_exec($cmd, "filterphrases.out", "filterphrases.err"); + $interpolated_config ="moses.interpolated.ini"; + substitute_ttable($uninterpolated_config, $interpolated_config, $interpolated_phrase_table, "13"); - # the decoder should now use the filtered model - $___CONFIG = "$outdir/moses.ini"; + # the decoder should now use the interpolated model + $___CONFIG = "$interpolated_config"; } @@ -964,6 +950,9 @@ while (1) { safesystem("\\cp -f $mert_logfile run$run.$mert_logfile") or die; safesystem("touch $mert_logfile run$run.$mert_logfile") or die; safesystem("\\cp -f $weights_out_file run$run.$weights_out_file") or die; # this one is needed for restarts, too + if ($__PROMIX_TRAINING) { + safesystem("\\cp -f $interpolated_config run$run.$interpolated_config") or die; + } print "run $run end at ".`date`; @@ -1488,7 +1477,8 @@ sub create_config { # Create a new ini file, with the first ttable replaced by the given one # and its type set to text sub substitute_ttable { - my ($old_ini, $new_ini, $new_ttable) = @_; + my ($old_ini, $new_ini, $new_ttable, $ttable_type) = @_; + $ttable_type = "0" unless defined($ttable_type); open(NEW_INI,">$new_ini") || die "Failed to create $new_ini"; open(INI,$old_ini) || die "Failed to open $old_ini"; while(<INI>) { @@ -1497,7 +1487,7 @@ sub substitute_ttable { my $ttable_config = <INI>; chomp $ttable_config; my @ttable_fields = split /\s+/, $ttable_config; - $ttable_fields[0] = "0"; + $ttable_fields[0] = $ttable_type; $ttable_fields[4] = $new_ttable; print NEW_INI join(" ", @ttable_fields) . "\n"; } else { |