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-rwxr-xr-xpro/pro.pl555
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-#!/usr/bin/env perl
-use strict;
-use File::Basename qw(basename);
-my @ORIG_ARGV=@ARGV;
-use Cwd qw(getcwd);
-my $SCRIPT_DIR; BEGIN { use Cwd qw/ abs_path /; use File::Basename; $SCRIPT_DIR = dirname(abs_path($0)); push @INC, $SCRIPT_DIR, "$SCRIPT_DIR/../environment"; }
-
-# Skip local config (used for distributing jobs) if we're running in local-only mode
-use LocalConfig;
-use Getopt::Long;
-use IPC::Open2;
-use POSIX ":sys_wait_h";
-my $QSUB_CMD = qsub_args(mert_memory());
-my $default_jobs = env_default_jobs();
-
-my $VEST_DIR="$SCRIPT_DIR/../dpmert";
-require "$VEST_DIR/libcall.pl";
-
-# Default settings
-my $srcFile;
-my $refFiles;
-my $bin_dir = $SCRIPT_DIR;
-die "Bin directory $bin_dir missing/inaccessible" unless -d $bin_dir;
-my $FAST_SCORE="$bin_dir/../mteval/fast_score";
-die "Can't execute $FAST_SCORE" unless -x $FAST_SCORE;
-my $MAPINPUT = "$bin_dir/mr_pro_generate_mapper_input.pl";
-my $MAPPER = "$bin_dir/mr_pro_map";
-my $REDUCER = "$bin_dir/mr_pro_reduce";
-my $parallelize = "$VEST_DIR/parallelize.pl";
-my $libcall = "$VEST_DIR/libcall.pl";
-my $sentserver = "$VEST_DIR/sentserver";
-my $sentclient = "$VEST_DIR/sentclient";
-my $LocalConfig = "$SCRIPT_DIR/../environment/LocalConfig.pm";
-
-my $SCORER = $FAST_SCORE;
-die "Can't find $MAPPER" unless -x $MAPPER;
-my $cdec = "$bin_dir/../decoder/cdec";
-die "Can't find decoder in $cdec" unless -x $cdec;
-die "Can't find $parallelize" unless -x $parallelize;
-die "Can't find $libcall" unless -e $libcall;
-my $decoder = $cdec;
-my $lines_per_mapper = 30;
-my $iteration = 1;
-my $best_weights;
-my $psi = 1;
-my $default_max_iter = 30;
-my $max_iterations = $default_max_iter;
-my $jobs = $default_jobs; # number of decode nodes
-my $pmem = "4g";
-my $disable_clean = 0;
-my %seen_weights;
-my $help = 0;
-my $epsilon = 0.0001;
-my $dryrun = 0;
-my $last_score = -10000000;
-my $metric = "ibm_bleu";
-my $dir;
-my $iniFile;
-my $weights;
-my $use_make = 1; # use make to parallelize
-my $useqsub = 0;
-my $initial_weights;
-my $pass_suffix = '';
-my $devset;
-
-# regularization strength
-my $reg = 500;
-my $reg_previous = 5000;
-
-# Process command-line options
-if (GetOptions(
- "config=s" => \$iniFile,
- "weights=s" => \$initial_weights,
- "devset=s" => \$devset,
- "jobs=i" => \$jobs,
- "metric=s" => \$metric,
- "pass-suffix=s" => \$pass_suffix,
- "qsub" => \$useqsub,
- "help" => \$help,
- "reg=f" => \$reg,
- "reg-previous=f" => \$reg_previous,
- "output-dir=s" => \$dir,
-) == 0 || @ARGV!=0 || $help) {
- print_help();
- exit;
-}
-
-if ($useqsub) {
- $use_make = 0;
- die "LocalEnvironment.pm does not have qsub configuration for this host. Cannot run with --qsub!\n" unless has_qsub();
-}
-
-my @missing_args = ();
-if (!defined $iniFile) { push @missing_args, "--config"; }
-if (!defined $devset) { push @missing_args, "--devset"; }
-if (!defined $initial_weights) { push @missing_args, "--weights"; }
-die "Please specify missing arguments: " . join (', ', @missing_args) . "\n" if (@missing_args);
-
-if ($metric =~ /^(combi|ter)$/i) {
- $lines_per_mapper = 5;
-}
-
-my $host =check_output("hostname"); chomp $host;
-my $bleu;
-my $interval_count = 0;
-my $logfile;
-my $projected_score;
-
-# used in sorting scores
-my $DIR_FLAG = '-r';
-if ($metric =~ /^ter$|^aer$/i) {
- $DIR_FLAG = '';
-}
-
-unless ($dir){
- $dir = 'pro';
-}
-unless ($dir =~ /^\//){ # convert relative path to absolute path
- my $basedir = check_output("pwd");
- chomp $basedir;
- $dir = "$basedir/$dir";
-}
-
-# Initializations and helper functions
-srand;
-
-my @childpids = ();
-my @cleanupcmds = ();
-
-sub cleanup {
- print STDERR "Cleanup...\n";
- for my $pid (@childpids){ unchecked_call("kill $pid"); }
- for my $cmd (@cleanupcmds){ unchecked_call("$cmd"); }
- exit 1;
-};
-# Always call cleanup, no matter how we exit
-*CORE::GLOBAL::exit =
- sub{ cleanup(); };
-$SIG{INT} = "cleanup";
-$SIG{TERM} = "cleanup";
-$SIG{HUP} = "cleanup";
-
-my $decoderBase = check_output("basename $decoder"); chomp $decoderBase;
-my $newIniFile = "$dir/$decoderBase.ini";
-my $inputFileName = "$dir/input";
-my $user = $ENV{"USER"};
-
-
-# process ini file
--e $iniFile || die "Error: could not open $iniFile for reading\n";
-open(INI, $iniFile);
-
-if (-e $dir) {
- die "ERROR: working dir $dir already exists\n\n";
-} else {
- mkdir "$dir" or die "Can't mkdir $dir: $!";
- mkdir "$dir/hgs" or die;
- mkdir "$dir/scripts" or die;
- print STDERR <<EOT;
- DECODER: $decoder
- INI FILE: $iniFile
- WORKING DIR: $dir
- DEVSET: $devset
- EVAL METRIC: $metric
- MAX ITERATIONS: $max_iterations
- PARALLEL JOBS: $jobs
- HEAD NODE: $host
- PMEM (DECODING): $pmem
- INITIAL WEIGHTS: $initial_weights
-EOT
-}
-
-# Generate initial files and values
-check_call("cp $iniFile $newIniFile");
-check_call("cp $initial_weights $dir/weights.0");
-$iniFile = $newIniFile;
-
-my $refs = "$dir/dev.refs";
-split_devset($devset, "$dir/dev.input.raw", $refs);
-my $newsrc = "$dir/dev.input";
-enseg("$dir/dev.input.raw", $newsrc);
-$srcFile = $newsrc;
-my $devSize = 0;
-open F, "<$srcFile" or die "Can't read $srcFile: $!";
-while(<F>) { $devSize++; }
-close F;
-
-unless($best_weights){ $best_weights = $weights; }
-unless($projected_score){ $projected_score = 0.0; }
-$seen_weights{$weights} = 1;
-
-my $random_seed = int(time / 1000);
-my $lastWeightsFile;
-my $lastPScore = 0;
-# main optimization loop
-my @allweights;
-while (1){
- print STDERR "\n\nITERATION $iteration\n==========\n";
-
- if ($iteration > $max_iterations){
- print STDERR "\nREACHED STOPPING CRITERION: Maximum iterations\n";
- last;
- }
- # iteration-specific files
- my $runFile="$dir/run.raw.$iteration";
- my $onebestFile="$dir/1best.$iteration";
- my $logdir="$dir/logs.$iteration";
- my $decoderLog="$logdir/decoder.sentserver.log.$iteration";
- my $scorerLog="$logdir/scorer.log.$iteration";
- check_call("mkdir -p $logdir");
-
-
- #decode
- print STDERR "RUNNING DECODER AT ";
- print STDERR unchecked_output("date");
- my $im1 = $iteration - 1;
- my $weightsFile="$dir/weights.$im1";
- push @allweights, "-w $dir/weights.$im1";
- `rm -f $dir/hgs/*.gz`;
- my $decoder_cmd = "$decoder -c $iniFile --weights$pass_suffix $weightsFile -O $dir/hgs";
- my $pcmd;
- if ($use_make) {
- $pcmd = "cat $srcFile | $parallelize --use-fork -p $pmem -e $logdir -j $jobs --";
- } else {
- $pcmd = "cat $srcFile | $parallelize -p $pmem -e $logdir -j $jobs --";
- }
- my $cmd = "$pcmd $decoder_cmd 2> $decoderLog 1> $runFile";
- print STDERR "COMMAND:\n$cmd\n";
- check_bash_call($cmd);
- my $num_hgs;
- my $num_topbest;
- my $retries = 0;
- while($retries < 5) {
- $num_hgs = check_output("ls $dir/hgs/*.gz | wc -l");
- $num_topbest = check_output("wc -l < $runFile");
- print STDERR "NUMBER OF HGs: $num_hgs\n";
- print STDERR "NUMBER OF TOP-BEST HYPs: $num_topbest\n";
- if($devSize == $num_hgs && $devSize == $num_topbest) {
- last;
- } else {
- print STDERR "Incorrect number of hypergraphs or topbest. Waiting for distributed filesystem and retrying...\n";
- sleep(3);
- }
- $retries++;
- }
- die "Dev set contains $devSize sentences, but we don't have topbest and hypergraphs for all these! Decoder failure? Check $decoderLog\n" if ($devSize != $num_hgs || $devSize != $num_topbest);
- my $dec_score = check_output("cat $runFile | $SCORER -r $refs -m $metric");
- chomp $dec_score;
- print STDERR "DECODER SCORE: $dec_score\n";
-
- # save space
- check_call("gzip -f $runFile");
- check_call("gzip -f $decoderLog");
-
- # run optimizer
- print STDERR "RUNNING OPTIMIZER AT ";
- print STDERR unchecked_output("date");
- print STDERR " - GENERATE TRAINING EXEMPLARS\n";
- my $mergeLog="$logdir/prune-merge.log.$iteration";
-
- my $score = 0;
- my $icc = 0;
- my $inweights="$dir/weights.$im1";
- $cmd="$MAPINPUT $dir/hgs > $dir/agenda.$im1";
- print STDERR "COMMAND:\n$cmd\n";
- check_call($cmd);
- check_call("mkdir -p $dir/splag.$im1");
- $cmd="split -a 3 -l $lines_per_mapper $dir/agenda.$im1 $dir/splag.$im1/mapinput.";
- print STDERR "COMMAND:\n$cmd\n";
- check_call($cmd);
- opendir(DIR, "$dir/splag.$im1") or die "Can't open directory: $!";
- my @shards = grep { /^mapinput\./ } readdir(DIR);
- closedir DIR;
- die "No shards!" unless scalar @shards > 0;
- my $joblist = "";
- my $nmappers = 0;
- @cleanupcmds = ();
- my %o2i = ();
- my $first_shard = 1;
- my $mkfile; # only used with makefiles
- my $mkfilename;
- if ($use_make) {
- $mkfilename = "$dir/splag.$im1/domap.mk";
- open $mkfile, ">$mkfilename" or die "Couldn't write $mkfilename: $!";
- print $mkfile "all: $dir/splag.$im1/map.done\n\n";
- }
- my @mkouts = (); # only used with makefiles
- my @mapoutputs = ();
- for my $shard (@shards) {
- my $mapoutput = $shard;
- my $client_name = $shard;
- $client_name =~ s/mapinput.//;
- $client_name = "pro.$client_name";
- $mapoutput =~ s/mapinput/mapoutput/;
- push @mapoutputs, "$dir/splag.$im1/$mapoutput";
- $o2i{"$dir/splag.$im1/$mapoutput"} = "$dir/splag.$im1/$shard";
- my $script = "$MAPPER -s $srcFile -m $metric -r $refs -w $inweights -K $dir/kbest < $dir/splag.$im1/$shard > $dir/splag.$im1/$mapoutput";
- if ($use_make) {
- my $script_file = "$dir/scripts/map.$shard";
- open F, ">$script_file" or die "Can't write $script_file: $!";
- print F "#!/bin/bash\n";
- print F "$script\n";
- close F;
- my $output = "$dir/splag.$im1/$mapoutput";
- push @mkouts, $output;
- chmod(0755, $script_file) or die "Can't chmod $script_file: $!";
- if ($first_shard) { print STDERR "$script\n"; $first_shard=0; }
- print $mkfile "$output: $dir/splag.$im1/$shard\n\t$script_file\n\n";
- } else {
- my $script_file = "$dir/scripts/map.$shard";
- open F, ">$script_file" or die "Can't write $script_file: $!";
- print F "$script\n";
- close F;
- if ($first_shard) { print STDERR "$script\n"; $first_shard=0; }
-
- $nmappers++;
- my $qcmd = "$QSUB_CMD -N $client_name -o /dev/null -e $logdir/$client_name.ER $script_file";
- my $jobid = check_output("$qcmd");
- chomp $jobid;
- $jobid =~ s/^(\d+)(.*?)$/\1/g;
- $jobid =~ s/^Your job (\d+) .*$/\1/;
- push(@cleanupcmds, "qdel $jobid 2> /dev/null");
- print STDERR " $jobid";
- if ($joblist == "") { $joblist = $jobid; }
- else {$joblist = $joblist . "\|" . $jobid; }
- }
- }
- my @dev_outs = ();
- my @devtest_outs = ();
- @dev_outs = @mapoutputs;
- if ($use_make) {
- print $mkfile "$dir/splag.$im1/map.done: @mkouts\n\ttouch $dir/splag.$im1/map.done\n\n";
- close $mkfile;
- my $mcmd = "make -j $jobs -f $mkfilename";
- print STDERR "\nExecuting: $mcmd\n";
- check_call($mcmd);
- } else {
- print STDERR "\nLaunched $nmappers mappers.\n";
- sleep 8;
- print STDERR "Waiting for mappers to complete...\n";
- while ($nmappers > 0) {
- sleep 5;
- my @livejobs = grep(/$joblist/, split(/\n/, unchecked_output("qstat | grep -v ' C '")));
- $nmappers = scalar @livejobs;
- }
- print STDERR "All mappers complete.\n";
- }
- my $tol = 0;
- my $til = 0;
- my $dev_test_file = "$dir/splag.$im1/devtest.gz";
- print STDERR "\nRUNNING CLASSIFIER (REDUCER)\n";
- print STDERR unchecked_output("date");
- $cmd="cat @dev_outs | $REDUCER -w $dir/weights.$im1 -C $reg -y $reg_previous --interpolate_with_weights $psi";
- $cmd .= " > $dir/weights.$iteration";
- print STDERR "COMMAND:\n$cmd\n";
- check_bash_call($cmd);
- $lastWeightsFile = "$dir/weights.$iteration";
- $lastPScore = $score;
- $iteration++;
- print STDERR "\n==========\n";
-}
-
-
-check_call("cp $lastWeightsFile $dir/weights.final");
-print STDERR "\nFINAL WEIGHTS: $dir/weights.final\n(Use -w <this file> with the decoder)\n\n";
-print STDOUT "$dir/weights.final\n";
-
-exit 0;
-
-sub read_weights_file {
- my ($file) = @_;
- open F, "<$file" or die "Couldn't read $file: $!";
- my @r = ();
- my $pm = -1;
- while(<F>) {
- next if /^#/;
- next if /^\s*$/;
- chomp;
- if (/^(.+)\s+(.+)$/) {
- my $m = $1;
- my $w = $2;
- die "Weights out of order: $m <= $pm" unless $m > $pm;
- push @r, $w;
- } else {
- warn "Unexpected feature name in weight file: $_";
- }
- }
- close F;
- return join ' ', @r;
-}
-
-sub enseg {
- my $src = shift;
- my $newsrc = shift;
- open(SRC, $src);
- open(NEWSRC, ">$newsrc");
- my $i=0;
- while (my $line=<SRC>){
- chomp $line;
- if ($line =~ /^\s*<seg/i) {
- if($line =~ /id="[0-9]+"/) {
- print NEWSRC "$line\n";
- } else {
- die "When using segments with pre-generated <seg> tags, you must include a zero-based id attribute";
- }
- } else {
- print NEWSRC "<seg id=\"$i\">$line</seg>\n";
- }
- $i++;
- }
- close SRC;
- close NEWSRC;
- die "Empty dev set!" if ($i == 0);
-}
-
-sub print_help {
-
- my $executable = basename($0); chomp $executable;
- print << "Help";
-
-Usage: $executable [options]
-
- $executable [options]
- Runs a complete PRO optimization using the ini file specified.
-
-Required:
-
- --config <cdec.ini>
- Decoder configuration file.
-
- --devset <files>
- Dev set source and reference data.
-
- --weights <file>
- Initial weights file (use empty file to start from 0)
-
-General options:
-
- --help
- Print this message and exit.
-
- --max-iterations <M>
- Maximum number of iterations to run. If not specified, defaults
- to $default_max_iter.
-
- --metric <method>
- Metric to optimize.
- Example values: IBM_BLEU, NIST_BLEU, Koehn_BLEU, TER, Combi
-
- --pass-suffix <S>
- If the decoder is doing multi-pass decoding, the pass suffix "2",
- "3", etc., is used to control what iteration of weights is set.
-
- --workdir <dir>
- Directory for intermediate and output files. If not specified, the
- name is derived from the ini filename. Assuming that the ini
- filename begins with the decoder name and ends with ini, the default
- name of the working directory is inferred from the middle part of
- the filename. E.g. an ini file named decoder.foo.ini would have
- a default working directory name foo.
-
-Regularization options:
-
- --reg <F>
- l2 regularization strength [default=500]. The greater this value,
- the closer to zero the weights will be.
-
- --reg-previous <F>
- l2 penalty for moving away from the weights from the previous
- iteration. [default=5000]. The greater this value, the closer
- to the previous iteration's weights the next iteration's weights
- will be.
-
-Job control options:
-
- --jobs <I>
- Number of decoder processes to run in parallel. [default=$default_jobs]
-
- --qsub
- Use qsub to run jobs in parallel (qsub must be configured in
- environment/LocalEnvironment.pm)
-
- --pmem <N>
- Amount of physical memory requested for parallel decoding jobs
- (used with qsub requests only)
-
-Deprecated options:
-
- --interpolate-with-weights <F>
- [deprecated] At each iteration the resulting weights are
- interpolated with the weights from the previous iteration, with
- this factor. [default=1.0, i.e., no effect]
-
-Help
-}
-
-sub convert {
- my ($str) = @_;
- my @ps = split /;/, $str;
- my %dict = ();
- for my $p (@ps) {
- my ($k, $v) = split /=/, $p;
- $dict{$k} = $v;
- }
- return %dict;
-}
-
-
-sub cmdline {
- return join ' ',($0,@ORIG_ARGV);
-}
-
-#buggy: last arg gets quoted sometimes?
-my $is_shell_special=qr{[ \t\n\\><|&;"'`~*?{}$!()]};
-my $shell_escape_in_quote=qr{[\\"\$`!]};
-
-sub escape_shell {
- my ($arg)=@_;
- return undef unless defined $arg;
- if ($arg =~ /$is_shell_special/) {
- $arg =~ s/($shell_escape_in_quote)/\\$1/g;
- return "\"$arg\"";
- }
- return $arg;
-}
-
-sub escaped_shell_args {
- return map {local $_=$_;chomp;escape_shell($_)} @_;
-}
-
-sub escaped_shell_args_str {
- return join ' ',&escaped_shell_args(@_);
-}
-
-sub escaped_cmdline {
- return "$0 ".&escaped_shell_args_str(@ORIG_ARGV);
-}
-
-sub split_devset {
- my ($infile, $outsrc, $outref) = @_;
- open F, "<$infile" or die "Can't read $infile: $!";
- open S, ">$outsrc" or die "Can't write $outsrc: $!";
- open R, ">$outref" or die "Can't write $outref: $!";
- while(<F>) {
- chomp;
- my ($src, @refs) = split /\s*\|\|\|\s*/;
- die "Malformed devset line: $_\n" unless scalar @refs > 0;
- print S "$src\n";
- print R join(' ||| ', @refs) . "\n";
- }
- close R;
- close S;
- close F;
-}
-