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Diffstat (limited to 'mert-moses.pl')
| -rwxr-xr-x | mert-moses.pl | 1346 |
1 files changed, 1346 insertions, 0 deletions
diff --git a/mert-moses.pl b/mert-moses.pl new file mode 100755 index 0000000..8c384ed --- /dev/null +++ b/mert-moses.pl @@ -0,0 +1,1346 @@ +#!/usr/bin/perl -w + +# $Id$ +# Usage: +# mert-moses.pl <foreign> <english> <decoder-executable> <decoder-config> +# For other options see below or run 'mert-moses.pl --help' + +# Notes: +# <foreign> and <english> should be raw text files, one sentence per line +# <english> can be a prefix, in which case the files are <english>0, <english>1, etc. are used + +# Revision history + +# 5 Aug 2009 Handling with different reference length policies (shortest, average, closest) for BLEU +# and case-sensistive/insensitive evaluation (Nicola Bertoldi) +# 5 Jun 2008 Forked previous version to support new mert implementation. +# 13 Feb 2007 Better handling of default values for lambda, now works with multiple +# models and lexicalized reordering +# 11 Oct 2006 Handle different input types through parameter --inputype=[0|1] +# (0 for text, 1 for confusion network, default is 0) (Nicola Bertoldi) +# 10 Oct 2006 Allow skip of filtering of phrase tables (--no-filter-phrase-table) +# useful if binary phrase tables are used (Nicola Bertoldi) +# 28 Aug 2006 Use either closest or average or shortest (default) reference +# length as effective reference length +# Use either normalization or not (default) of texts (Nicola Bertoldi) +# 31 Jul 2006 move gzip run*.out to avoid failure wit restartings +# adding default paths +# 29 Jul 2006 run-filter, score-nbest and mert run on the queue (Nicola; Ondrej had to type it in again) +# 28 Jul 2006 attempt at foolproof usage, strong checking of input validity, merged the parallel and nonparallel version (Ondrej Bojar) +# 27 Jul 2006 adding the safesystem() function to handle with process failure +# 22 Jul 2006 fixed a bug about handling relative path of configuration file (Nicola Bertoldi) +# 21 Jul 2006 adapted for Moses-in-parallel (Nicola Bertoldi) +# 18 Jul 2006 adapted for Moses and cleaned up (PK) +# 21 Jan 2005 unified various versions, thorough cleanup (DWC) +# now indexing accumulated n-best list solely by feature vectors +# 14 Dec 2004 reimplemented find_threshold_points in C (NMD) +# 25 Oct 2004 Use either average or shortest (default) reference +# length as effective reference length (DWC) +# 13 Oct 2004 Use alternative decoders (DWC) +# Original version by Philipp Koehn + +use FindBin qw($Bin); +use File::Basename; +my $SCRIPTS_ROOTDIR = $Bin; +$SCRIPTS_ROOTDIR =~ s/\/training$//; +$SCRIPTS_ROOTDIR = $ENV{"SCRIPTS_ROOTDIR"} if defined($ENV{"SCRIPTS_ROOTDIR"}); + +# for each _d_istortion, _l_anguage _m_odel, _t_ranslation _m_odel and _w_ord penalty, there is a list +# of [ default value, lower bound, upper bound ]-triples. In most cases, only one triple is used, +# but the translation model has currently 5 features + +# defaults for initial values and ranges are: + +my $default_triples = { + # these basic models exist even if not specified, they are + # not associated with any model file + "w" => [ [ 0.0, 0.0, 1.0 ] ], # word penalty +}; + +my $additional_triples = { + # if the more lambda parameters for the weights are needed + # (due to additional tables) use the following values for them + "d" => [ [ 1.0, 0.0, 1.0 ] ], # lexicalized reordering model + "lm" => [ [ 1.0, 0.0, 1.0 ] ], # language model + "g" => [ [ 1.0, 0.0, 1.0 ], # generation model + [ 1.0, 0.0, 1.0 ] ], + "tm" => [ [ 0.3, 0.0, 1.0 ], # translation model + [ 0.2, 0.0, 1.0 ], + [ 0.3, 0.0, 1.0 ], + [ 0.2, 0.0, 1.0 ], + [ 0.0, 0.0, 1.0 ] ], # ... last weight is phrase penalty + "lex"=> [ [ 0.1, 0.0, 1.0 ] ], # global lexical model + "I" => [ [ 0.0, 0.0, 1.0 ] ], # input lattice scores +}; + # the following models (given by shortname) use same triplet + # for any number of lambdas, the number of the lambdas is determined + # by the ini file +my $additional_tripes_loop = { map { ($_, 1) } qw/ d I / }; + +# moses.ini file uses FULL names for lambdas, while this training script internally (and on the command line) +# uses ABBR names. +my $ABBR_FULL_MAP = "d=weight-d lm=weight-l tm=weight-t w=weight-w g=weight-generation lex=weight-lex I=weight-i"; +my %ABBR2FULL = map {split/=/,$_,2} split /\s+/, $ABBR_FULL_MAP; +my %FULL2ABBR = map {my ($a, $b) = split/=/,$_,2; ($b, $a);} split /\s+/, $ABBR_FULL_MAP; + +# We parse moses.ini to figure out how many weights do we need to optimize. +# For this, we must know the correspondence between options defining files +# for models and options assigning weights to these models. +my $TABLECONFIG_ABBR_MAP = "ttable-file=tm lmodel-file=lm distortion-file=d generation-file=g global-lexical-file=lex link-param-count=I"; +my %TABLECONFIG2ABBR = map {split(/=/,$_,2)} split /\s+/, $TABLECONFIG_ABBR_MAP; + +# There are weights that do not correspond to any input file, they just increase the total number of lambdas we optimize +#my $extra_lambdas_for_model = { +# "w" => 1, # word penalty +# "d" => 1, # basic distortion +#}; + +my $minimum_required_change_in_weights = 0.00001; + # stop if no lambda changes more than this + +my $verbose = 0; +my $usage = 0; # request for --help +my $___WORKING_DIR = "mert-work"; +my $___DEV_F = undef; # required, input text to decode +my $___DEV_E = undef; # required, basename of files with references +my $___DECODER = undef; # required, pathname to the decoder executable +my $___CONFIG = undef; # required, pathname to startup ini file +my $___N_BEST_LIST_SIZE = 100; +my $queue_flags = "-hard"; # extra parameters for parallelizer + # the -l ws0ssmt is relevant only to JHU workshop +my $___JOBS = undef; # if parallel, number of jobs to use (undef or 0 -> serial) +my $___DECODER_FLAGS = ""; # additional parametrs to pass to the decoder +my $___LAMBDA = undef; # string specifying the seed weights and boundaries of all lambdas +my $continue = 0; # should we try to continue from the last saved step? +my $skip_decoder = 0; # and should we skip the first decoder run (assuming we got interrupted during mert) +my $___FILTER_PHRASE_TABLE = 1; # filter phrase table +my $___PREDICTABLE_SEEDS = 0; +my $___START_WITH_HISTORIC_BESTS = 0; # use best settings from all previous iterations as starting points [Foster&Kuhn,2009] +my $___RANDOM_DIRECTIONS = 0; # search in random directions only +my $___NUM_RANDOM_DIRECTIONS = 0; # number of random directions, also works with default optimizer [Cer&al.,2008] +my $___PAIRWISE_RANKED_OPTIMIZER = 0; # use Hopkins&May[2011] + +# Parameter for effective reference length when computing BLEU score +# Default is to use shortest reference +# Use "--shortest" to use shortest reference length +# Use "--average" to use average reference length +# Use "--closest" to use closest reference length +# Only one between --shortest, --average and --closest can be set +# If more than one choice the defualt (--shortest) is used +my $___SHORTEST = 0; +my $___AVERAGE = 0; +my $___CLOSEST = 0; + +# Use "--nocase" to compute case-insensitive scores +my $___NOCASE = 0; + +# Use "--nonorm" to non normalize translation before computing scores +my $___NONORM = 0; + +# set 0 if input type is text, set 1 if input type is confusion network +my $___INPUTTYPE = 0; + + +my $mertdir = undef; # path to new mert directory +my $mertargs = undef; # args to pass through to mert +my $filtercmd = undef; # path to filter-model-given-input.pl +my $filterfile = undef; +my $qsubwrapper = undef; +my $moses_parallel_cmd = undef; +my $old_sge = 0; # assume sge<6.0 +my $___CONFIG_BAK = undef; # backup pathname to startup ini file +my $efficient_scorenbest_flag = undef; # set to 1 to activate a time-efficient scoring of nbest lists + # (this method is more memory-consumptive) +my $___ACTIVATE_FEATURES = undef; # comma-separated (or blank-separated) list of features to work on + # if undef work on all features + # (others are fixed to the starting values) +my $prev_aggregate_nbl_size = -1; # number of previous step to consider when loading data (default =-1) + # -1 means all previous, i.e. from iteration 1 + # 0 means no previous data, i.e. from actual iteration + # 1 means 1 previous data , i.e. from the actual iteration and from the previous one + # and so on +my $starting_weights_from_ini = 1; + +my $maximum_iterations = 25; + +use strict; +use Getopt::Long; +GetOptions( + "working-dir=s" => \$___WORKING_DIR, + "input=s" => \$___DEV_F, + "inputtype=i" => \$___INPUTTYPE, + "refs=s" => \$___DEV_E, + "decoder=s" => \$___DECODER, + "config=s" => \$___CONFIG, + "nbest=i" => \$___N_BEST_LIST_SIZE, + "queue-flags=s" => \$queue_flags, + "jobs=i" => \$___JOBS, + "decoder-flags=s" => \$___DECODER_FLAGS, + "lambdas=s" => \$___LAMBDA, + "continue" => \$continue, + "skip-decoder" => \$skip_decoder, + "shortest" => \$___SHORTEST, + "average" => \$___AVERAGE, + "closest" => \$___CLOSEST, + "nocase" => \$___NOCASE, + "nonorm" => \$___NONORM, + "help" => \$usage, + "verbose" => \$verbose, + "mertdir=s" => \$mertdir, + "mertargs=s" => \$mertargs, + "rootdir=s" => \$SCRIPTS_ROOTDIR, + "filtercmd=s" => \$filtercmd, # allow to override the default location + "filterfile=s" => \$filterfile, # input to filtering script (useful for lattices/confnets) + "qsubwrapper=s" => \$qsubwrapper, # allow to override the default location + "mosesparallelcmd=s" => \$moses_parallel_cmd, # allow to override the default location + "old-sge" => \$old_sge, #passed to moses-parallel + "filter-phrase-table!" => \$___FILTER_PHRASE_TABLE, # allow (disallow)filtering of phrase tables + "predictable-seeds" => \$___PREDICTABLE_SEEDS, # allow (disallow) switch on/off reseeding of random restarts + "historic-bests" => \$___START_WITH_HISTORIC_BESTS, # use best settings from all previous iterations as starting points + "random-directions" => \$___RANDOM_DIRECTIONS, # search only in random directions + "number-of-random-directions=i" => \$___NUM_RANDOM_DIRECTIONS, # number of random directions + "efficient_scorenbest_flag" => \$efficient_scorenbest_flag, # activate a time-efficient scoring of nbest lists + "activate-features=s" => \$___ACTIVATE_FEATURES, #comma-separated (or blank-separated) list of features to work on (others are fixed to the starting values) + "prev-aggregate-nbestlist=i" => \$prev_aggregate_nbl_size, #number of previous step to consider when loading data (default =-1, i.e. all previous) + "maximum-iterations=i" => \$maximum_iterations, + "starting-weights-from-ini!" => \$starting_weights_from_ini, + "pairwise-ranked" => \$___PAIRWISE_RANKED_OPTIMIZER +) or exit(1); + +# the 4 required parameters can be supplied on the command line directly +# or using the --options +if (scalar @ARGV == 4) { + # required parameters: input_file references_basename decoder_executable + $___DEV_F = shift; + $___DEV_E = shift; + $___DECODER = shift; + $___CONFIG = shift; +} + +if ($usage || !defined $___DEV_F || !defined $___DEV_E || !defined $___DECODER || !defined $___CONFIG) { + print STDERR "usage: mert-moses.pl input-text references decoder-executable decoder.ini +Options: + --working-dir=mert-dir ... where all the files are created + --nbest=100 ... how big nbestlist to generate + --jobs=N ... set this to anything to run moses in parallel + --mosesparallelcmd=STR ... use a different script instead of moses-parallel + --queue-flags=STRING ... anything you with to pass to qsub, eg. + '-l ws06osssmt=true'. The default is: '-hard' + To reset the parameters, please use + --queue-flags=' ' + (i.e. a space between the quotes). + --decoder-flags=STRING ... extra parameters for the decoder + --lambdas=STRING ... default values and ranges for lambdas, a + complex string such as + 'd:1,0.5-1.5 lm:1,0.5-1.5 tm:0.3,0.25-0.75;0.2,0.25-0.75;0.2,0.25-0.75;0.3,0.25-0.75;0,-0.5-0.5 w:0,-0.5-0.5' + --allow-unknown-lambda ... keep going even if someone supplies a new + lambda in the lambdas option (such as + 'superbmodel:1,0-1'); optimize it, too + --continue ... continue from the last successful iteration + --skip-decoder ... skip the decoder run for the first time, + assuming that we got interrupted during + optimization + --shortest --average --closest + ... Use shortest/average/closest reference length + as effective reference length (mutually exclusive) + --nocase ... Do not preserve case information; i.e. + case-insensitive evaluation (default is false). + --nonorm ... Do not use text normalization (flag is not active, + i.e. text is NOT normalized) + --filtercmd=STRING ... path to filter-model-given-input.pl + --filterfile=STRING ... path to alternative to input-text for filtering + model. useful for lattice decoding + --rootdir=STRING ... where do helpers reside (if not given explicitly) + --mertdir=STRING ... path to new mert implementation + --mertargs=STRING ... extra args for mert, eg. to specify scorer + --scorenbestcmd=STRING ... path to score-nbest.py + --old-sge ... passed to parallelizers, assume Grid Engine < 6.0 + --inputtype=[0|1|2] ... Handle different input types: (0 for text, + 1 for confusion network, 2 for lattices, + default is 0) + --no-filter-phrase-table ... disallow filtering of phrase tables + (useful if binary phrase tables are available) + --predictable-seeds ... provide predictable seeds to mert so that random + restarts are the same on every run + --efficient_scorenbest_flag ... time-efficient scoring of nbest lists + (this method is more memory-consumptive) + --activate-features=STRING ... comma-separated list of features to optimize, + others are fixed to the starting values + default: optimize all features + example: tm_0,tm_4,d_0 + --prev-aggregate-nbestlist=INT ... number of previous step to consider when + loading data (default = $prev_aggregate_nbl_size) + -1 means all previous, i.e. from iteration 1 + 0 means no previous data, i.e. only the + current iteration + N means this and N previous iterations + + --maximum-iterations=ITERS ... Maximum number of iterations. Default: $maximum_iterations + --starting-weights-from-ini ... use the weights given in moses.ini file as + the starting weights (and also as the fixed + weights if --activate-features is used). + default: yes (used to be 'no') + --random-directions ... search only in random directions + --number-of-random-directions=int ... number of random directions + (also works with regular optimizer, default: 0) +"; + exit 1; +} + + +# Check validity of input parameters and set defaults if needed + +print STDERR "Using SCRIPTS_ROOTDIR: $SCRIPTS_ROOTDIR\n"; + +# path of script for filtering phrase tables and running the decoder +$filtercmd="$SCRIPTS_ROOTDIR/training/filter-model-given-input.pl" if !defined $filtercmd; + +$qsubwrapper="$SCRIPTS_ROOTDIR/generic/qsub-wrapper.pl" if !defined $qsubwrapper; + +$moses_parallel_cmd = "$SCRIPTS_ROOTDIR/generic/moses-parallel.pl" + if !defined $moses_parallel_cmd; + + + +if (!defined $mertdir) { + $mertdir = "$SCRIPTS_ROOTDIR/../mert"; + print STDERR "Assuming --mertdir=$mertdir\n"; +} + +my $mert_extract_cmd = "$mertdir/extractor"; +my $mert_mert_cmd = "$mertdir/mert"; + +die "Not executable: $mert_extract_cmd" if ! -x $mert_extract_cmd; +die "Not executable: $mert_mert_cmd" if ! -x $mert_mert_cmd; + +my $pro_optimizer = "$mertdir/megam_i686.opt"; # or set to your installation +if ($___PAIRWISE_RANKED_OPTIMIZER && ! -x $pro_optimizer) { + print "did not find $pro_optimizer, installing it in $mertdir\n"; + `cd $mertdir; wget http://www.cs.utah.edu/~hal/megam/megam_i686.opt.gz;`; + `gunzip $pro_optimizer.gz`; + `chmod +x $pro_optimizer`; + die("ERROR: Installation of megam_i686.opt failed! Install by hand from http://www.cs.utah.edu/~hal/megam/") unless -x $pro_optimizer; +} + +$mertargs = "" if !defined $mertargs; + +my $scconfig = undef; +if ($mertargs =~ /\-\-scconfig\s+(.+?)(\s|$)/){ + $scconfig=$1; + $scconfig =~ s/\,/ /g; + $mertargs =~ s/\-\-scconfig\s+(.+?)(\s|$)//; +} + +# handling reference lengh strategy +if (($___CLOSEST + $___AVERAGE + $___SHORTEST) > 1){ + die "You can specify just ONE reference length strategy (closest or shortest or average) not both\n"; +} + +if ($___SHORTEST){ + $scconfig .= " reflen:shortest"; +}elsif ($___AVERAGE){ + $scconfig .= " reflen:average"; +}elsif ($___CLOSEST){ + $scconfig .= " reflen:closest"; +} + +# handling case-insensitive flag +if ($___NOCASE) { + $scconfig .= " case:false"; +}else{ + $scconfig .= " case:true"; +} +$scconfig =~ s/^\s+//; +$scconfig =~ s/\s+$//; +$scconfig =~ s/\s+/,/g; + +$scconfig = "--scconfig $scconfig" if ($scconfig); + +my $mert_extract_args=$mertargs; +$mert_extract_args .=" $scconfig"; + +my $mert_mert_args=$mertargs; +$mert_mert_args =~ s/\-+(binary|b)\b//; +$mert_mert_args .=" $scconfig"; +if ($___ACTIVATE_FEATURES){ $mert_mert_args .=" -o \"$___ACTIVATE_FEATURES\""; } + +my ($just_cmd_filtercmd,$x) = split(/ /,$filtercmd); +die "Not executable: $just_cmd_filtercmd" if ! -x $just_cmd_filtercmd; +die "Not executable: $moses_parallel_cmd" if defined $___JOBS && ! -x $moses_parallel_cmd; +die "Not executable: $qsubwrapper" if defined $___JOBS && ! -x $qsubwrapper; +die "Not executable: $___DECODER" if ! -x $___DECODER; + + +my $input_abs = ensure_full_path($___DEV_F); +die "File not found: $___DEV_F (interpreted as $input_abs)." + if ! -e $input_abs; +$___DEV_F = $input_abs; + + +# Option to pass to qsubwrapper and moses-parallel +my $pass_old_sge = $old_sge ? "-old-sge" : ""; + +my $decoder_abs = ensure_full_path($___DECODER); +die "File not found: $___DECODER (interpreted as $decoder_abs)." + if ! -x $decoder_abs; +$___DECODER = $decoder_abs; + + +my $ref_abs = ensure_full_path($___DEV_E); +# check if English dev set (reference translations) exist and store a list of all references +my @references; +if (-e $ref_abs) { + push @references, $ref_abs; +} +else { + # if multiple file, get a full list of the files + my $part = 0; + while (-e $ref_abs.$part) { + push @references, $ref_abs.$part; + $part++; + } + die("Reference translations not found: $___DEV_E (interpreted as $ref_abs)") unless $part; +} + +my $config_abs = ensure_full_path($___CONFIG); +die "File not found: $___CONFIG (interpreted as $config_abs)." + if ! -e $config_abs; +$___CONFIG = $config_abs; + + + +# check validity of moses.ini and collect number of models and lambdas per model +# need to make a copy of $extra_lambdas_for_model, scan_config spoils it +#my %copy_of_extra_lambdas_for_model = %$extra_lambdas_for_model; +my %used_triples = %{$default_triples}; +my ($models_used) = scan_config($___CONFIG); + +# Parse the lambda config string and convert it to a nice structure in the same format as $used_triples +if (defined $___LAMBDA) { + my %specified_triples; + # interpreting lambdas from command line + foreach (split(/\s+/,$___LAMBDA)) { + my ($name,$values) = split(/:/); + die "Malformed setting: '$_', expected name:values\n" if !defined $name || !defined $values; + foreach my $startminmax (split/;/,$values) { + if ($startminmax =~ /^(-?[\.\d]+),(-?[\.\d]+)-(-?[\.\d]+)$/) { + my $start = $1; + my $min = $2; + my $max = $3; + push @{$specified_triples{$name}}, [$start, $min, $max]; + } + else { + die "Malformed feature range definition: $name => $startminmax\n"; + } + } + } + # sanity checks for specified lambda triples + foreach my $name (keys %used_triples) { + die "No lambdas specified for '$name', but ".($#{$used_triples{$name}}+1)." needed.\n" + unless defined($specified_triples{$name}); + die "Number of lambdas specified for '$name' (".($#{$specified_triples{$name}}+1).") does not match number needed (".($#{$used_triples{$name}}+1).")\n" + if (($#{$used_triples{$name}}) != ($#{$specified_triples{$name}})); + } + foreach my $name (keys %specified_triples) { + die "Lambdas specified for '$name' ".(@{$specified_triples{$name}}).", but none needed.\n" + unless defined($used_triples{$name}); + } + %used_triples = %specified_triples; +} + +# moses should use our config +if ($___DECODER_FLAGS =~ /(^|\s)-(config|f) / +|| $___DECODER_FLAGS =~ /(^|\s)-(ttable-file|t) / +|| $___DECODER_FLAGS =~ /(^|\s)-(distortion-file) / +|| $___DECODER_FLAGS =~ /(^|\s)-(generation-file) / +|| $___DECODER_FLAGS =~ /(^|\s)-(lmodel-file) / +|| $___DECODER_FLAGS =~ /(^|\s)-(global-lexical-file) / +) { + die "It is forbidden to supply any of -config, -ttable-file, -distortion-file, -generation-file or -lmodel-file in the --decoder-flags.\nPlease use only the --config option to give the config file that lists all the supplementary files."; +} + +# as weights are normalized in the next steps (by cmert) +# normalize initial LAMBDAs, too +my $need_to_normalize = 1; + + + +my @order_of_lambdas_from_decoder = (); +# this will store the labels of scores coming out of the decoder (and hence the order of lambdas coming out of mert) +# we will use the array to interpret the lambdas +# the array gets filled with labels only after first nbestlist was generated + + + + +#store current directory and create the working directory (if needed) +my $cwd = `pawd 2>/dev/null`; +if(!$cwd){$cwd = `pwd`;} +chomp($cwd); + +safesystem("mkdir -p $___WORKING_DIR") or die "Can't mkdir $___WORKING_DIR"; + +{ +# open local scope + +#chdir to the working directory +chdir($___WORKING_DIR) or die "Can't chdir to $___WORKING_DIR"; + +# fixed file names +my $mert_outfile = "mert.out"; +my $mert_logfile = "mert.log"; +my $weights_in_file = "init.opt"; +my $weights_out_file = "weights.txt"; + + +# set start run +my $start_run = 1; +my $bestpoint = undef; +my $devbleu = undef; + +my $prev_feature_file = undef; +my $prev_score_file = undef; +my $prev_init_file = undef; + +if ($continue) { + # getting the last finished step + print STDERR "Trying to continue an interrupted optimization.\n"; + open IN, "finished_step.txt" or die "Failed to find the step number, failed to read finished_step.txt"; + my $step = <IN>; + chomp $step; + close IN; + + print STDERR "Last finished step is $step\n"; + + # getting the first needed step + my $firststep; + if ($prev_aggregate_nbl_size==-1){ + $firststep=1; + } + else{ + $firststep=$step-$prev_aggregate_nbl_size+1; + $firststep=($firststep>0)?$firststep:1; + } + +#checking if all needed data are available + if ($firststep<=$step){ + print STDERR "First previous needed data index is $firststep\n"; + print STDERR "Checking whether all needed data (from step $firststep to step $step) are available\n"; + + for (my $prevstep=$firststep; $prevstep<=$step;$prevstep++){ + print STDERR "Checking whether data of step $prevstep are available\n"; + if (! -e "run$prevstep.features.dat"){ + die "Can't start from step $step, because run$prevstep.features.dat was not found!"; + }else{ + if (defined $prev_feature_file){ + $prev_feature_file = "${prev_feature_file},run$prevstep.features.dat"; + } + else{ + $prev_feature_file = "run$prevstep.features.dat"; + } + } + if (! -e "run$prevstep.scores.dat"){ + die "Can't start from step $step, because run$prevstep.scores.dat was not found!"; + }else{ + if (defined $prev_score_file){ + $prev_score_file = "${prev_score_file},run$prevstep.scores.dat"; + } + else{ + $prev_score_file = "run$prevstep.scores.dat"; + } + } + if (! -e "run$prevstep.${weights_in_file}"){ + die "Can't start from step $step, because run$prevstep.${weights_in_file} was not found!"; + }else{ + if (defined $prev_init_file){ + $prev_init_file = "${prev_init_file},run$prevstep.${weights_in_file}"; + } + else{ + $prev_init_file = "run$prevstep.${weights_in_file}"; + } + } + } + if (! -e "run$step.weights.txt"){ + die "Can't start from step $step, because run$step.weights.txt was not found!"; + } + if (! -e "run$step.$mert_logfile"){ + die "Can't start from step $step, because run$step.$mert_logfile was not found!"; + } + if (! -e "run$step.best$___N_BEST_LIST_SIZE.out.gz"){ + die "Can't start from step $step, because run$step.best$___N_BEST_LIST_SIZE.out.gz was not found!"; + } + print STDERR "All needed data are available\n"; + + print STDERR "Loading information from last step ($step)\n"; + open(IN,"run$step.$mert_logfile") or die "Can't open run$step.$mert_logfile"; + while (<IN>) { + if (/Best point:\s*([\s\d\.\-e]+?)\s*=> ([\-\d\.]+)/) { + $bestpoint = $1; + $devbleu = $2; + last; + } + } + close IN; + die "Failed to parse mert.log, missed Best point there." + if !defined $bestpoint || !defined $devbleu; + print "($step) BEST at $step $bestpoint => $devbleu at ".`date`; + + my @newweights = split /\s+/, $bestpoint; + + + print STDERR "Reading last cached lambda values (result from step $step)\n"; + @order_of_lambdas_from_decoder = get_order_of_scores_from_nbestlist("gunzip -c < run$step.best$___N_BEST_LIST_SIZE.out.gz |"); + + + # update my cache of lambda values + store_new_lambda_values(\%used_triples, \@order_of_lambdas_from_decoder, \@newweights); + + } + else{ + print STDERR "No pevious data are needed\n"; + } + + $start_run = $step +1; +} + +if ($___FILTER_PHRASE_TABLE){ + # filter the phrase tables wih respect to input, use --decoder-flags + print "filtering the phrase tables... ".`date`; + my $___FILTER_F = $___DEV_F; + $___FILTER_F = $filterfile if (defined $filterfile); + my $cmd = "$filtercmd ./filtered $___CONFIG $___FILTER_F"; + if (defined $___JOBS && $___JOBS > 0) { + safesystem("$qsubwrapper $pass_old_sge -command='$cmd' -queue-parameter=\"$queue_flags\" -stdout=filterphrases.out -stderr=filterphrases.err" ) + or die "Failed to submit filtering of tables to the queue (via $qsubwrapper)"; + } else { + safesystem($cmd) or die "Failed to filter the tables."; + } + + # make a backup copy of startup ini file + $___CONFIG_BAK = $___CONFIG; + # the decoder should now use the filtered model + $___CONFIG = "filtered/moses.ini"; +} +else{ + # do not filter phrase tables (useful if binary phrase tables are available) + # use the original configuration file + $___CONFIG_BAK = $___CONFIG; +} + +my $PARAMETERS; +#$PARAMETERS = $___DECODER_FLAGS . " -config $___CONFIG -inputtype $___INPUTTYPE"; +$PARAMETERS = $___DECODER_FLAGS; + +my $run=$start_run-1; + +my $oldallsorted = undef; +my $allsorted = undef; + +my $cmd; +# features and scores from the last run. +my $nbest_file=undef; + +#while(1) { + $run++; + if ($maximum_iterations && $run > $maximum_iterations) { + print "Maximum number of iterations exceeded - stopping\n"; + last; + } + # run beamdecoder with option to output nbestlists + # the end result should be (1) @NBEST_LIST, a list of lists; (2) @SCORE, a list of lists of lists + + print "run $run start at ".`date`; + + # In case something dies later, we might wish to have a copy + create_config($___CONFIG, "./run$run.moses.ini", \%used_triples, $run, (defined$devbleu?$devbleu:"--not-estimated--")); + + + # skip if the user wanted + if (!$skip_decoder) { + print "($run) run decoder to produce n-best lists\n"; + $nbest_file = run_decoder(\%used_triples, $PARAMETERS, $run, \@order_of_lambdas_from_decoder, $need_to_normalize); + $need_to_normalize = 0; + safesystem("gzip -f $nbest_file") or die "Failed to gzip run*out"; + $nbest_file = $nbest_file.".gz"; + } + else { + $nbest_file="run$run.best$___N_BEST_LIST_SIZE.out.gz"; + print "skipped decoder run $run\n"; + if (0 == scalar @order_of_lambdas_from_decoder) { + @order_of_lambdas_from_decoder = get_order_of_scores_from_nbestlist("gunzip -dc $nbest_file | head -1 |"); + } + $skip_decoder = 0; + $need_to_normalize = 0; + } + + + + # extract score statistics and features from the nbest lists + print STDERR "Scoring the nbestlist.\n"; + + my $base_feature_file = "features.dat"; + my $base_score_file = "scores.dat"; + my $feature_file = "run$run.${base_feature_file}"; + my $score_file = "run$run.${base_score_file}"; + + $cmd = "$mert_extract_cmd $mert_extract_args --scfile $score_file --ffile $feature_file -r ".join(",", @references)." -n $nbest_file"; + + if (defined $___JOBS && $___JOBS > 0) { + safesystem("$qsubwrapper $pass_old_sge -command='$cmd' -queue-parameter=\"$queue_flags\" -stdout=extract.out -stderr=extract.err" ) + or die "Failed to submit extraction to queue (via $qsubwrapper)"; + } else { + safesystem("$cmd > extract.out 2> extract.err") or die "Failed to do extraction of statistics."; + } + + # Create the initial weights file for mert, in init.opt + # mert reads in the file init.opt containing the current + # values of lambda. + + # We need to prepare the files and **the order of the lambdas must + # correspond to the order @order_of_lambdas_from_decoder + + my @MIN = (); # lower bounds + my @MAX = (); # upper bounds + my @CURR = (); # the starting values + my @NAME = (); # to which model does the lambda belong + + my %visited = (); + foreach my $name (@order_of_lambdas_from_decoder) { + if (!defined $visited{$name}) { + $visited{$name} = 0; + } else { + $visited{$name}++; + } + my ($val, $min, $max) = @{$used_triples{$name}->[$visited{$name}]}; + push @CURR, $val; + push @MIN, $min; + push @MAX, $max; + push @NAME, $name; + } + + open(OUT,"> $weights_in_file") or die "Can't write $weights_in_file (WD now $___WORKING_DIR)"; + print OUT join(" ", @CURR)."\n"; + print OUT join(" ", @MIN)."\n"; + print OUT join(" ", @MAX)."\n"; + close(OUT); + print join(" ", @NAME)."\n"; + + # make a backup copy labelled with this run number + safesystem("\\cp -f $weights_in_file run$run.$weights_in_file") or die; + + my $DIM = scalar(@CURR); # number of lambdas + + # run mert + $cmd = "$mert_mert_cmd -d $DIM $mert_mert_args -n 20"; + if ($___PREDICTABLE_SEEDS) { + my $seed = $run * 1000; + $cmd = $cmd." -r $seed"; + } + if ($___RANDOM_DIRECTIONS) { + if ($___NUM_RANDOM_DIRECTIONS == 0) { + $cmd .= " -m 50"; + } + $cmd = $cmd." -t random-direction"; + } + if ($___NUM_RANDOM_DIRECTIONS) { + $cmd .= " -m $___NUM_RANDOM_DIRECTIONS"; + } + + if (defined $prev_feature_file) { + $cmd = $cmd." --ffile $prev_feature_file,$feature_file"; + } + else{ + $cmd = $cmd." --ffile $feature_file"; + } + if (defined $prev_score_file) { + $cmd = $cmd." --scfile $prev_score_file,$score_file"; + } + else{ + $cmd = $cmd." --scfile $score_file"; + } + if ($___START_WITH_HISTORIC_BESTS && defined $prev_init_file) { + $cmd = $cmd." --ifile $prev_init_file,run$run.$weights_in_file"; + } + else{ + $cmd = $cmd." --ifile run$run.$weights_in_file"; + } + + if ($___PAIRWISE_RANKED_OPTIMIZER) { + $cmd .= " --pro pro.data ; echo 'not used' > $weights_out_file; ~/statmt/project/megam/megam_i686.opt -fvals -maxi 30 -nobias binary pro.data"; + } + + if (defined $___JOBS && $___JOBS > 0) { + safesystem("$qsubwrapper $pass_old_sge -command='$cmd' -stdout=$mert_outfile -stderr=$mert_logfile -queue-parameter=\"$queue_flags\"") or die "Failed to start mert (via qsubwrapper $qsubwrapper)"; + } + else { + safesystem("$cmd > $mert_outfile 2> $mert_logfile") or die "Failed to run mert"; + } + die "Optimization failed, file $weights_out_file does not exist or is empty" + if ! -s $weights_out_file; + + + # backup copies + safesystem ("\\cp -f extract.err run$run.extract.err") or die; + safesystem ("\\cp -f extract.out run$run.extract.out") or die; + if ($___PAIRWISE_RANKED_OPTIMIZER) { safesystem ("\\cp -f pro.data run$run.pro.data") or die; } + safesystem ("\\cp -f $mert_outfile run$run.$mert_outfile") or die; + 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 + + print "run $run end at ".`date`; + + $bestpoint = undef; + $devbleu = undef; + if ($___PAIRWISE_RANKED_OPTIMIZER) { + open(IN,"run$run.$mert_outfile") or die "Can't open run$run.$mert_outfile"; + my (@WEIGHT,$sum); + foreach (@CURR) { push @WEIGHT, 0; } + while(<IN>) { + if (/^F(\d+) ([\-\.\de]+)/) { + $WEIGHT[$1] = $2; + $sum += abs($2); + } + } + $devbleu = "unknown"; + foreach (@WEIGHT) { $_ /= $sum; } + $bestpoint = join(" ",@WEIGHT); + close IN; + } + else { + open(IN,"run$run.$mert_logfile") or die "Can't open run$run.$mert_logfile"; + while (<IN>) { + if (/Best point:\s*([\s\d\.\-e]+?)\s*=> ([\-\d\.]+)/) { + $bestpoint = $1; + $devbleu = $2; + last; + } + } + close IN; + } + die "Failed to parse mert.log, missed Best point there." + if !defined $bestpoint || !defined $devbleu; + print "($run) BEST at $run: $bestpoint => $devbleu at ".`date`; + + my @newweights = split /\s+/, $bestpoint; + + # update my cache of lambda values + store_new_lambda_values(\%used_triples, \@order_of_lambdas_from_decoder, \@newweights); + + ## additional stopping criterion: weights have not changed + my $shouldstop = 1; + for(my $i=0; $i<@CURR; $i++) { + die "Lost weight! mert reported fewer weights (@newweights) than we gave it (@CURR)" + if !defined $newweights[$i]; + if (abs($CURR[$i] - $newweights[$i]) >= $minimum_required_change_in_weights) { + $shouldstop = 0; + last; + } + } + + open F, "> finished_step.txt" or die "Can't mark finished step"; + print F $run."\n"; + close F; + + if ($shouldstop) { + print STDERR "None of the weights changed more than $minimum_required_change_in_weights. Stopping.\n"; + last; + } + + my $firstrun; + if ($prev_aggregate_nbl_size==-1){ + $firstrun=1; + } + else{ + $firstrun=$run-$prev_aggregate_nbl_size+1; + $firstrun=($firstrun>0)?$firstrun:1; + } + print "loading data from $firstrun to $run (prev_aggregate_nbl_size=$prev_aggregate_nbl_size)\n"; + $prev_feature_file = undef; + $prev_score_file = undef; + $prev_init_file = undef; + for (my $i=$firstrun;$i<=$run;$i++){ + if (defined $prev_feature_file){ + $prev_feature_file = "${prev_feature_file},run${i}.${base_feature_file}"; + } + else{ + $prev_feature_file = "run${i}.${base_feature_file}"; + } + if (defined $prev_score_file){ + $prev_score_file = "${prev_score_file},run${i}.${base_score_file}"; + } + else{ + $prev_score_file = "run${i}.${base_score_file}"; + } + if (defined $prev_init_file){ + $prev_init_file = "${prev_init_file},run${i}.${weights_in_file}"; + } + else{ + $prev_init_file = "run${i}.${weights_in_file}"; + } + } + print "loading data from $prev_feature_file\n" if defined($prev_feature_file); + print "loading data from $prev_score_file\n" if defined($prev_score_file); + print "loading data from $prev_init_file\n" if defined($prev_init_file); +#} +print "Training finished at ".`date`; + +if (defined $allsorted){ safesystem ("\\rm -f $allsorted") or die; }; + +safesystem("\\cp -f $weights_in_file run$run.$weights_in_file") or die; +safesystem("\\cp -f $mert_logfile run$run.$mert_logfile") or die; + +create_config($___CONFIG_BAK, "./moses.ini", \%used_triples, $run, $devbleu); + +# just to be sure that we have the really last finished step marked +open F, "> finished_step.txt" or die "Can't mark finished step"; +print F $run."\n"; +close F; + + +#chdir back to the original directory # useless, just to remind we were not there +chdir($cwd); + +} # end of local scope + +sub store_new_lambda_values { + # given new lambda values (in given order), replace the 'val' element in our triples + my $triples = shift; + my $names = shift; + my $values = shift; + + my %idx = (); + foreach my $i (0..scalar(@$values)-1) { + my $name = $names->[$i]; + die "Missed name for lambda $values->[$i] (in @$values; names: @$names)" + if !defined $name; + if (!defined $idx{$name}) { + $idx{$name} = 0; + } else { + $idx{$name}++; + } + die "We did not optimize '$name', but moses returned it back to us" + if !defined $triples->{$name}; + die "Moses gave us too many lambdas for '$name', we had ".scalar(@{$triples->{$name}}) + ." but we got at least ".$idx{$name}+1 + if !defined $triples->{$name}->[$idx{$name}]; + + # set the corresponding field in triples + # print STDERR "Storing $i-th score as $name: $idx{$name}: $values->[$i]\n"; + $triples->{$name}->[$idx{$name}]->[0] = $values->[$i]; + } +} + +sub dump_triples { + my $triples = shift; + + foreach my $name (keys %$triples) { + foreach my $triple (@{$triples->{$name}}) { + my ($val, $min, $max) = @$triple; + print STDERR "Triples: $name\t$val\t$min\t$max ($triple)\n"; + } + } +} + + +sub run_decoder { + my ($triples, $parameters, $run, $output_order_of_lambdas, $need_to_normalize) = @_; + my $filename_template = "run%d.best$___N_BEST_LIST_SIZE.out"; + my $filename = sprintf($filename_template, $run); + + print "params = $parameters\n"; + # prepare the decoder config: + my $decoder_config = ""; + my @vals = (); + foreach my $name (keys %$triples) { + $decoder_config .= "-$name "; + foreach my $triple (@{$triples->{$name}}) { + my ($val, $min, $max) = @$triple; + $decoder_config .= "%.6f "; + push @vals, $val; + } + } + if ($need_to_normalize) { + print STDERR "Normalizing lambdas: @vals\n"; + my $totlambda=0; + grep($totlambda+=abs($_),@vals); + if($totlambda > 0) { + grep($_/=$totlambda,@vals); + } + } + print STDERR "DECODER_CFG = $decoder_config\n"; + print STDERR " values = @vals\n"; + $decoder_config = sprintf($decoder_config, @vals); + print "decoder_config = $decoder_config\n"; + + # run the decoder + my $nBest_cmd = "-n-best-size $___N_BEST_LIST_SIZE"; + my $decoder_cmd; + + if (defined $___JOBS && $___JOBS > 0) { + $decoder_cmd = "$moses_parallel_cmd $pass_old_sge -config $___CONFIG -inputtype $___INPUTTYPE -qsub-prefix mert$run -queue-parameters \"$queue_flags\" -decoder-parameters \"$parameters $decoder_config\" -n-best-list \"$filename $___N_BEST_LIST_SIZE\" -input-file $___DEV_F -jobs $___JOBS -decoder $___DECODER > run$run.out"; + } else { + $decoder_cmd = "$___DECODER $parameters -config $___CONFIG -inputtype $___INPUTTYPE $decoder_config -n-best-list $filename $___N_BEST_LIST_SIZE -input-file $___DEV_F > run$run.out"; + } + + safesystem($decoder_cmd) or die "The decoder died. CONFIG WAS $decoder_config \n"; + + if (0 == scalar @$output_order_of_lambdas) { + # we have to peek at the nbestlist + @$output_order_of_lambdas = get_order_of_scores_from_nbestlist($filename); + } + # we have checked the nbestlist already, we trust the order of output scores does not change + return $filename; +} + +sub get_order_of_scores_from_nbestlist { + # read the first line and interpret the ||| label: num num num label2: num ||| column in nbestlist + # return the score labels in order + my $fname_or_source = shift; + print STDERR "Peeking at the beginning of nbestlist to get order of scores: $fname_or_source\n"; + open IN, $fname_or_source or die "Failed to get order of scores from nbestlist '$fname_or_source'"; + my $line = <IN>; + close IN; + die "Line empty in nbestlist '$fname_or_source'" if !defined $line; + my ($sent, $hypo, $scores, $total) = split /\|\|\|/, $line; + $scores =~ s/^\s*|\s*$//g; + die "No scores in line: $line" if $scores eq ""; + + my @order = (); + my $label = undef; + foreach my $tok (split /\s+/, $scores) { + if ($tok =~ /^([a-z][0-9a-z]*):/i) { + $label = $1; + } elsif ($tok =~ /^-?[-0-9.e]+$/) { + # a score found, remember it + die "Found a score but no label before it! Bad nbestlist '$fname_or_source'!" + if !defined $label; + push @order, $label; + } else { + die "Not a label, not a score '$tok'. Failed to parse the scores string: '$scores' of nbestlist '$fname_or_source'"; + } + } + print STDERR "The decoder returns the scores in this order: @order\n"; + return @order; +} + +sub create_config { + my $infn = shift; # source config + my $outfn = shift; # where to save the config + my $triples = shift; # the lambdas we should write + my $iteration = shift; # just for verbosity + my $bleu_achieved = shift; # just for verbosity + + my %P; # the hash of all parameters we wish to override + + # first convert the command line parameters to the hash + { # ensure local scope of vars + my $parameter=undef; + print "Parsing --decoder-flags: |$___DECODER_FLAGS|\n"; + $___DECODER_FLAGS =~ s/^\s*|\s*$//; + $___DECODER_FLAGS =~ s/\s+/ /; + foreach (split(/ /,$___DECODER_FLAGS)) { + if (/^\-([^\d].*)$/) { + $parameter = $1; + $parameter = $ABBR2FULL{$parameter} if defined($ABBR2FULL{$parameter}); + } + else { + die "Found value with no -paramname before it: $_" + if !defined $parameter; + push @{$P{$parameter}},$_; + } + } + } + + # Convert weights to elements in P + foreach my $abbr (keys %$triples) { + # First delete all weights params from the input, in short or long-named version + delete($P{$abbr}); + delete($P{$ABBR2FULL{$abbr}}); + # Then feed P with the current values + foreach my $feature (@{$used_triples{$abbr}}) { + my ($val, $min, $max) = @$feature; + my $name = defined $ABBR2FULL{$abbr} ? $ABBR2FULL{$abbr} : $abbr; + push @{$P{$name}}, $val; + } + } + + # create new moses.ini decoder config file by cloning and overriding the original one + open(INI,$infn) or die "Can't read $infn"; + delete($P{"config"}); # never output + print "Saving new config to: $outfn\n"; + open(OUT,"> $outfn") or die "Can't write $outfn"; + print OUT "# MERT optimized configuration\n"; + print OUT "# decoder $___DECODER\n"; + print OUT "# BLEU $bleu_achieved on dev $___DEV_F\n"; + print OUT "# We were before running iteration $iteration\n"; + print OUT "# finished ".`date`; + my $line = <INI>; + while(1) { + last unless $line; + + # skip until hit [parameter] + if ($line !~ /^\[(.+)\]\s*$/) { + $line = <INI>; + print OUT $line if $line =~ /^\#/ || $line =~ /^\s+$/; + next; + } + + # parameter name + my $parameter = $1; + $parameter = $ABBR2FULL{$parameter} if defined($ABBR2FULL{$parameter}); + print OUT "[$parameter]\n"; + + # change parameter, if new values + if (defined($P{$parameter})) { + # write new values + foreach (@{$P{$parameter}}) { + print OUT $_."\n"; + } + delete($P{$parameter}); + # skip until new parameter, only write comments + while($line = <INI>) { + print OUT $line if $line =~ /^\#/ || $line =~ /^\s+$/; + last if $line =~ /^\[/; + last unless $line; + } + next; + } + + # unchanged parameter, write old + while($line = <INI>) { + last if $line =~ /^\[/; + print OUT $line; + } + } + + # write all additional parameters + foreach my $parameter (keys %P) { + print OUT "\n[$parameter]\n"; + foreach (@{$P{$parameter}}) { + print OUT $_."\n"; + } + } + + close(INI); + close(OUT); + print STDERR "Saved: $outfn\n"; +} + +sub safesystem { + print STDERR "Executing: @_\n"; + system(@_); + if ($? == -1) { + print STDERR "Failed to execute: @_\n $!\n"; + exit(1); + } + elsif ($? & 127) { + printf STDERR "Execution of: @_\n died with signal %d, %s coredump\n", + ($? & 127), ($? & 128) ? 'with' : 'without'; + exit(1); + } + else { + my $exitcode = $? >> 8; + print STDERR "Exit code: $exitcode\n" if $exitcode; + return ! $exitcode; + } +} +sub ensure_full_path { + my $PATH = shift; +$PATH =~ s/\/nfsmnt//; + return $PATH if $PATH =~ /^\//; + my $dir = `pawd 2>/dev/null`; + if(!$dir){$dir = `pwd`;} + chomp($dir); + $PATH = $dir."/".$PATH; + $PATH =~ s/[\r\n]//g; + $PATH =~ s/\/\.\//\//g; + $PATH =~ s/\/+/\//g; + my $sanity = 0; + while($PATH =~ /\/\.\.\// && $sanity++<10) { + $PATH =~ s/\/+/\//g; + $PATH =~ s/\/[^\/]+\/\.\.\//\//g; + } + $PATH =~ s/\/[^\/]+\/\.\.$//; + $PATH =~ s/\/+$//; +$PATH =~ s/\/nfsmnt//; + return $PATH; +} + + + + +sub scan_config { + my $ini = shift; + my $inishortname = $ini; $inishortname =~ s/^.*\///; # for error reporting + # we get a pre-filled counts, because some lambdas are always needed (word penalty, for instance) + # as we walk though the ini file, we record how many extra lambdas do we need + # and finally, we report it + + # in which field (counting from zero) is the filename to check? + my %where_is_filename = ( + "ttable-file" => 4, + "generation-file" => 3, + "lmodel-file" => 3, + "distortion-file" => 3, + "global-lexical-file" => 1, + ); + # by default, each line of each section means one lambda, but some sections + # explicitly state a custom number of lambdas + my %where_is_lambda_count = ( + "ttable-file" => 3, + "generation-file" => 2, + "distortion-file" => 2, + "link-param-count" => 0, + ); + + my %weight_section_short_names = (%FULL2ABBR, + map { ($_, $_) } keys %ABBR2FULL); + # maps both long and short names of weight sections to the short names + + my $config_weights; + # to collect all weight values from moses.ini + # $config_weights->{shortname} is a reference to array of features + + open INI, $ini or die "Can't read $ini"; + my $section = undef; # name of the section we are reading + my $shortname = undef; # the corresponding short name + my $nr = 0; + my $error = 0; + my %defined_files; + my %defined_steps; # check the ini file for compatible mapping steps and actually defined files + while (<INI>) { + $nr++; + chomp; + next if /^\s*#/; # skip comments + next if /^\s*$/; # skip blank lines + if (/^\[([^\]]*)\]\s*$/) { + $section = $1; + $shortname = $TABLECONFIG2ABBR{$section}; + next; + } + if (defined $section && defined $weight_section_short_names{$section}) { + # this is a weight, store it + my $weightname = $weight_section_short_names{$section}; + $config_weights->{$weightname} = [] + if ! defined $config_weights->{$weightname}; + push @{$config_weights->{$weightname}}, $_; + } + if (defined $section && $section eq "mapping") { + # keep track of mapping steps used + $defined_steps{$1}++ if /^([TG])/ || /^\d+ ([TG])/; + } + if (defined $section + && (defined $where_is_filename{$section} + || defined $where_is_lambda_count{$section})) { + # this ini section is relevant to lambdas + my @flds = split / +/; + my $filenamefield = $where_is_filename{$section}; + if (defined $filenamefield) { + my $fn = $flds[$filenamefield]; + print STDERR "Checking the filename in $section: $fn\n" + if $verbose; + if (defined $fn && $fn !~ /^\s+$/) { + # this is a filename! check it + if ($fn !~ /^\//) { + $error = 1; + print STDERR "$inishortname:$nr:Filename not absolute: $fn\n"; + } + if (! -s $fn && ! -s "$fn.gz" && ! -s "$fn.binphr.idx" + && ! -s "$fn.binlexr.idx" ) { + $error = 1; + print STDERR "$inishortname:$nr:File does not exist or empty: $fn\n"; + } + # remember the number of files used, to know how many lambdas do we need + die "No short name was defined for section $section!" + if ! defined $shortname; + $defined_files{$shortname}++; + } + } + + my $lambdacountfield = $where_is_lambda_count{$section}; + # how many lambdas does this model need? + # either specified explicitly, or the default, i.e. one + my $needlambdas = defined $lambdacountfield + ? $flds[$lambdacountfield] : 1; + + print STDERR "Config needs $needlambdas lambdas for $section (i.e. $shortname)\n" if $verbose; + if (!defined $___LAMBDA # user provides all lambdas on his own + && (!defined $additional_triples->{$shortname} + || scalar(@{$additional_triples->{$shortname}}) < $needlambdas) + && (!defined $additional_tripes_loop->{$shortname}) + ) { + # Add triples with default values + if (!defined $additional_triples->{$shortname}) { + $additional_triples->{$shortname} = (); + } + while (scalar(@{$additional_triples->{$shortname}}) < $needlambdas) { + push @{$additional_triples->{$shortname}}, [1,-1,1]; + } + + } + # note: models may use less parameters than the maximum number + # of triples, but it is actually bad, because then the ranges + # may be meant for another parameter + my @triplets = @{$additional_triples->{$shortname}}; + for(my $lambda=0;$lambda<$needlambdas;$lambda++) { + my $triplet = $lambda; + $triplet %= scalar(@triplets) + if $additional_tripes_loop->{$shortname}; + my ($start, $min, $max) + = @{$triplets[$triplet]}; + push @{$used_triples{$shortname}}, [$start, $min, $max]; + } + } + } + die "$inishortname: File was empty!" if !$nr; + close INI; + for my $pair (qw/T=tm=translation G=g=generation/) { + my ($tg, $shortname, $label) = split /=/, $pair; + $defined_files{$shortname} = 0 if ! defined $defined_files{$shortname}; + $defined_steps{$tg} = 0 if ! defined $defined_steps{$tg}; + + if ($defined_files{$shortname} != $defined_steps{$tg}) { + print STDERR "$inishortname: You defined $defined_files{$shortname} files for $label but use $defined_steps{$tg} in [mapping]!\n"; + $error = 1; + } + } + + # The distance-based reordering model is never mentioned in moses.ini, + # except there is one extra weight-d in the list. So if we spot this + # one extra weight-d, we actually insert the triple for it. + # Hierarchical moses has no distance-based reordering. + push @{$used_triples{"d"}}, [1.0, 0.0, 1.0] + if defined $config_weights->{"d"} + && (!defined $used_triples{"d"} + || scalar @{$config_weights->{"d"}} + == scalar @{$used_triples{"d"}} +1); + + # check the weights provided in the ini file and plug them into the triples + # if --starting-weights-from_ini + foreach my $weightname (keys %used_triples) { + if (!defined $config_weights->{$weightname}) { + print STDERR "$inishortname:Model requires weights '$weightname' but none were found in the ini file.\n"; + $error = 1; + next; + } + my $thesetriplets = $used_triples{$weightname}; + my $theseconfig_weights = $config_weights->{$weightname}; + if (scalar(@$thesetriplets) != scalar(@$theseconfig_weights)) { + print STDERR "$inishortname:Mismatched number of weights for '$weightname'. Expected " + .scalar(@$thesetriplets) .", got ".scalar(@$theseconfig_weights)."\n"; + $error = 1; + next; + } + if ($starting_weights_from_ini) { + # copy weights from moses.ini to the starting value of used_triplets + for (my $i=0; $i < @$theseconfig_weights; $i++) { + $thesetriplets->[$i]->[0] = $theseconfig_weights->[$i]; + } + } + } + + exit(1) if $error; + return (\%defined_files); +} + |