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-rw-r--r--COPYING.LESSER165
-rw-r--r--README97
-rw-r--r--example/bin/1PUT0
-rw-r--r--example/bin/EXTRACTOR0
-rw-r--r--example/bin/MERT0
-rw-r--r--example/bin/MOSES0
-rw-r--r--example/bin/ZIN_HERE0
-rw-r--r--example/data/epmini-dev-A.de2
-rw-r--r--example/data/epmini-dev-A.en2
-rw-r--r--example/data/epmini-dev-B.de2
-rw-r--r--example/data/epmini-dev-B.en2
-rw-r--r--example/data/epmini-dev-C.de2
-rw-r--r--example/data/epmini-dev-C.en2
-rw-r--r--example/data/epmini-dev-D.de2
-rw-r--r--example/data/epmini-dev-D.en2
-rw-r--r--example/ini/moses.ini66
l---------example/mmert/inbetwmert.sh1
l---------example/mmert/mert-moses.pl1
l---------example/mmert/regmtl.py1
-rw-r--r--example/models/epmini.mmapbin0 -> 20326 bytes
-rw-r--r--example/models/phrase-table387
-rw-r--r--example/models/reordering-table387
-rw-r--r--example/scripts/PUT_MOSES_SCRIPTS_IN_HERE0
-rwxr-xr-xinbetwmert.sh159
-rwxr-xr-xmert-moses.pl1346
-rwxr-xr-xregmtl.py203
26 files changed, 2829 insertions, 0 deletions
diff --git a/COPYING.LESSER b/COPYING.LESSER
new file mode 100644
index 0000000..65c5ca8
--- /dev/null
+++ b/COPYING.LESSER
@@ -0,0 +1,165 @@
+ GNU LESSER GENERAL PUBLIC LICENSE
+ Version 3, 29 June 2007
+
+ Copyright (C) 2007 Free Software Foundation, Inc. <http://fsf.org/>
+ Everyone is permitted to copy and distribute verbatim copies
+ of this license document, but changing it is not allowed.
+
+
+ This version of the GNU Lesser General Public License incorporates
+the terms and conditions of version 3 of the GNU General Public
+License, supplemented by the additional permissions listed below.
+
+ 0. Additional Definitions.
+
+ As used herein, "this License" refers to version 3 of the GNU Lesser
+General Public License, and the "GNU GPL" refers to version 3 of the GNU
+General Public License.
+
+ "The Library" refers to a covered work governed by this License,
+other than an Application or a Combined Work as defined below.
+
+ An "Application" is any work that makes use of an interface provided
+by the Library, but which is not otherwise based on the Library.
+Defining a subclass of a class defined by the Library is deemed a mode
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+ A "Combined Work" is a work produced by combining or linking an
+Application with the Library. The particular version of the Library
+with which the Combined Work was made is also called the "Linked
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+ The "Minimal Corresponding Source" for a Combined Work means the
+Corresponding Source for the Combined Work, excluding any source code
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+ The "Corresponding Application Code" for a Combined Work means the
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+ 1. Exception to Section 3 of the GNU GPL.
+
+ You may convey a covered work under sections 3 and 4 of this License
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+ 2. Conveying Modified Versions.
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+ If you modify a copy of the Library, and, in your modifications, a
+facility refers to a function or data to be supplied by an Application
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+ function or data, the facility still operates, and performs
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+ b) under the GNU GPL, with none of the additional permissions of
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+ 3. Object Code Incorporating Material from Library Header Files.
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+ The object code form of an Application may incorporate material from
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diff --git a/README b/README
new file mode 100644
index 0000000..ce08232
--- /dev/null
+++ b/README
@@ -0,0 +1,97 @@
+Multi-Task Minimum Error Rate Training
+======================================
+
+This set of scripts is essentially a wrapper around the mert-moses.pl script which
+is distributed with moses (http://statmt.org/moses). In its current implementation
+this is used for running several MERT runs in parallel and altering resulting weights
+after each run. It also manages convergence.
+
+With MMERT we transfer the basic idea of regularized multi-task learning to MERT. That is,
+in each iteration we run a separate instance of MERT for each task, and then regularize
+the returned weight vectors towards the average weight vector of the previous iteration
+by adding or subtracting the regularization parameter lambda. As simply adding or subtracting
+lambda is only an approximation of regularization, we clip the new value at the average,
+if the average would be crossed otherwise.
+
+See the "Multi-Task Minimum Error Rate Training for SMT" (Simianer et al. 2011) paper for further details.
+
+This was tested with r4106 of moses trunk.
+NOTE: v0.1 worked only upto r4065, because mert-moses.pl script produced incompatible *.init.opt files.
+
+Usage
+=====
+An exemplary experiment installation can be found in the example/ directory (4 models,
+built from the first 8 sentences of europarl v6 de-en, http://statmt.org/europarl/):
+
+example/
+ bin/
+ 3 binaries from a moses build: extractor, mert and moses
+ data/
+ Put target/source language data (development sets) in here.
+ Use a common file naming scheme (this has to be defined in inbetwmert.sh).
+ ini/
+ One or several configuration files (ini) for use with moses, these can be defined per 'task' or 'one-fits-all'
+ This is useful if you want to start MERT with different initial weights for each run
+ or different model files.
+ mmert/
+ 3 scripts: inbetwmert.sh, regmtl.py and mert-moses.pl
+ In default configuration work directories are created here.
+ models/
+ Language model, phrase table and reordering model files. Path has to be defined
+ in the ini(s) in ini/.
+ scripts/
+ The scripts distributed with moses (needed by mert, http://www.statmt.org/moses/?n=Moses.SupportTools).
+
+Note: The phrase and reordering table(s) should be filtered against
+each dev set, see http://www.statmt.org/moses/?n=Moses.SupportTools#ntoc3 to fit into memory.
+The language model can be read from disk using kenlm models (the one distributed
+in this tarball is kenlm v4).
+
+After putting moses binaries into bin/ and moses scripts in scripts/ the experiment can be run with
+ $ cd ~/mmert/mmert/;./inbetwmert.sh SUFFIX
+Assuming you extracted mmert in your home directory and adjusted the username in
+the paths in the ini/moses.ini file(!).
+SUFFIX is used for creating working directories.
+
+After convergence (max change in the average vector is lower as the MIN_CHANGE parameter),
+you can find the final weight vectors in the following files:
+ * Average: mmert_SUFFIX/runX.avector.txt (X is the last iteration)
+ * Individual: mert_SUFFIX_TASK/runX.mert.log in the line 'Best point:'
+The weights in the example are ordered as follows:
+ d d d d d d d lm w tm tm tm tm tm
+This can be different in your installation, if you use more or less models.
+The order can be found in the stdout output of MERT (e.g. mmert_SUFFIX/mert.TASK.out).
+
+inbetwmert.sh
+-------------
+$FIRST_AVG: 'first average' to clip against
+ 0: 0-vector
+ 1: average of start weights (put the vector as a file name run0.avector.txt into mmert_SUFFIX)
+$INI or $INIS
+ Define to use several or one moses configuration files.
+ This can be used for using several model files, using different initial weights etc.
+$LAMBDA
+ Regularization parameter, useful values: 0.1 .. 0.05 .. 0.0000001
+$MIN_CHANGE
+ Stopping criterion: minimum change in average vector. Useful values: 0.01 .. 0.00001.
+ Everything above above ~0.2 leads to convergence after 1 iteration because
+ MERT normalizes the weight vector.
+More parameters are documented in inbetwmert.sh itself.
+
+regmtl.py
+---------
+Does actual regularization/clipping. Reads and writes current mert.log (the mert binary reads/writes
+weights in there).
+
+mert-moses.pl
+-------------
+Changes/hacks:
+ * the outer 'while 1' loop (line 613 to 810) was commented out
+ * normalization was fixed (division by 0 if we start 0 weights in a moses.ini)
+
+
+Version History
+===============
+0.1 initial release
+0.2 make code better readable, updated mert-moses.pl script to current trunk r4106
+
diff --git a/example/bin/1PUT b/example/bin/1PUT
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/example/bin/1PUT
diff --git a/example/bin/EXTRACTOR b/example/bin/EXTRACTOR
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/example/bin/EXTRACTOR
diff --git a/example/bin/MERT b/example/bin/MERT
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/example/bin/MERT
diff --git a/example/bin/MOSES b/example/bin/MOSES
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/example/bin/MOSES
diff --git a/example/bin/ZIN_HERE b/example/bin/ZIN_HERE
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/example/bin/ZIN_HERE
diff --git a/example/data/epmini-dev-A.de b/example/data/epmini-dev-A.de
new file mode 100644
index 0000000..c1b8a30
--- /dev/null
+++ b/example/data/epmini-dev-A.de
@@ -0,0 +1,2 @@
+wiederaufnahme der sitzungsperiode
+ich erkläre die am freitag , dem 17. dezember unterbrochene sitzungsperiode des europäischen parlaments für wiederaufgenommen , wünsche ihnen nochmals alles gute zum jahreswechsel und hoffe , daß sie schöne ferien hatten .
diff --git a/example/data/epmini-dev-A.en b/example/data/epmini-dev-A.en
new file mode 100644
index 0000000..df4c88f
--- /dev/null
+++ b/example/data/epmini-dev-A.en
@@ -0,0 +1,2 @@
+resumption of the session
+i declare resumed the session of the european parliament adjourned on friday 17 december 1999 , and i would like once again to wish you a happy new year in the hope that you enjoyed a pleasant festive period .
diff --git a/example/data/epmini-dev-B.de b/example/data/epmini-dev-B.de
new file mode 100644
index 0000000..4e84e2a
--- /dev/null
+++ b/example/data/epmini-dev-B.de
@@ -0,0 +1,2 @@
+wie sie feststellen konnten , ist der gefürchtete " millenium-bug " nicht eingetreten . doch sind bürger einiger unserer mitgliedstaaten opfer von schrecklichen naturkatastrophen geworden .
+im parlament besteht der wunsch nach einer aussprache im verlauf dieser sitzungsperiode in den nächsten tagen .
diff --git a/example/data/epmini-dev-B.en b/example/data/epmini-dev-B.en
new file mode 100644
index 0000000..1980371
--- /dev/null
+++ b/example/data/epmini-dev-B.en
@@ -0,0 +1,2 @@
+although , as you will have seen , the dreaded ' millennium bug ' failed to materialise , still the people in a number of countries suffered a series of natural disasters that truly were dreadful .
+you have requested a debate on this subject in the course of the next few days , during this part-session .
diff --git a/example/data/epmini-dev-C.de b/example/data/epmini-dev-C.de
new file mode 100644
index 0000000..c32923f
--- /dev/null
+++ b/example/data/epmini-dev-C.de
@@ -0,0 +1,2 @@
+heute möchte ich sie bitten - das ist auch der wunsch einiger kolleginnen und kollegen - , allen opfern der stürme , insbesondere in den verschiedenen ländern der europäischen union , in einer schweigeminute zu gedenken .
+ich bitte sie , sich zu einer schweigeminute zu erheben .
diff --git a/example/data/epmini-dev-C.en b/example/data/epmini-dev-C.en
new file mode 100644
index 0000000..02874bf
--- /dev/null
+++ b/example/data/epmini-dev-C.en
@@ -0,0 +1,2 @@
+in the meantime , i should like to observe a minute ' s silence , as a number of members have requested , on behalf of all the victims concerned , particularly those of the terrible storms , in the various countries of the european union .
+please rise , then , for this minute ' s silence .
diff --git a/example/data/epmini-dev-D.de b/example/data/epmini-dev-D.de
new file mode 100644
index 0000000..e867aa2
--- /dev/null
+++ b/example/data/epmini-dev-D.de
@@ -0,0 +1,2 @@
+( das parlament erhebt sich zu einer schweigeminute . )
+frau präsidentin , zur geschäftsordnung .
diff --git a/example/data/epmini-dev-D.en b/example/data/epmini-dev-D.en
new file mode 100644
index 0000000..0f8016b
--- /dev/null
+++ b/example/data/epmini-dev-D.en
@@ -0,0 +1,2 @@
+( the house rose and observed a minute ' s silence )
+madam president , on a point of order .
diff --git a/example/ini/moses.ini b/example/ini/moses.ini
new file mode 100644
index 0000000..102179a
--- /dev/null
+++ b/example/ini/moses.ini
@@ -0,0 +1,66 @@
+#########################
+### MOSES CONFIG FILE ###
+#########################
+
+# input factors
+[input-factors]
+0
+
+# mapping steps
+[mapping]
+0 T 0
+
+# translation tables: table type (hierarchical(0), textual (0), binary (1)), source-factors, target-factors, number of scores, file
+# OLD FORMAT is still handled for back-compatibility
+# OLD FORMAT translation tables: source-factors, target-factors, number of scores, file
+# OLD FORMAT a binary table type (1) is assumed
+[ttable-file]
+0 0 0 5 /home/mitarb/simianer/mmert/example/models/phrase-table
+
+# no generation models, no generation-file section
+
+# language models: type(srilm/irstlm), factors, order, file
+[lmodel-file]
+8 0 5 /home/mitarb/simianer/mmert/example/models/epmini.mmap
+
+# limit on how many phrase translations e for each phrase f are loaded
+# 0 = all elements loaded
+[ttable-limit]
+20
+
+# distortion (reordering) files
+[distortion-file]
+0-0 wbe-msd-bidirectional-fe-allff 6 /home/mitarb/simianer/mmert/example/models/reordering-table
+
+# distortion (reordering) weight
+[weight-d]
+0.3
+0.3
+0.3
+0.3
+0.3
+0.3
+0.3
+
+# language model weights
+[weight-l]
+0.5000
+
+
+# translation model weights
+[weight-t]
+0.2
+0.2
+0.2
+0.2
+0.2
+
+# no generation models, no weight-generation section
+
+# word penalty
+[weight-w]
+-1
+
+[distortion-limit]
+6
+
diff --git a/example/mmert/inbetwmert.sh b/example/mmert/inbetwmert.sh
new file mode 120000
index 0000000..7060cd8
--- /dev/null
+++ b/example/mmert/inbetwmert.sh
@@ -0,0 +1 @@
+../../inbetwmert.sh \ No newline at end of file
diff --git a/example/mmert/mert-moses.pl b/example/mmert/mert-moses.pl
new file mode 120000
index 0000000..efd4a3f
--- /dev/null
+++ b/example/mmert/mert-moses.pl
@@ -0,0 +1 @@
+../../mert-moses.pl \ No newline at end of file
diff --git a/example/mmert/regmtl.py b/example/mmert/regmtl.py
new file mode 120000
index 0000000..cf6ef6c
--- /dev/null
+++ b/example/mmert/regmtl.py
@@ -0,0 +1 @@
+../../regmtl.py \ No newline at end of file
diff --git a/example/models/epmini.mmap b/example/models/epmini.mmap
new file mode 100644
index 0000000..49a021d
--- /dev/null
+++ b/example/models/epmini.mmap
Binary files differ
diff --git a/example/models/phrase-table b/example/models/phrase-table
new file mode 100644
index 0000000..c5909e5
--- /dev/null
+++ b/example/models/phrase-table
@@ -0,0 +1,387 @@
+" ||| ' failed to ||| 1 0.2 0.125 0.000236294 2.718 ||| ||| 1 8
+" ||| ' failed ||| 1 0.2 0.125 0.0108696 2.718 ||| ||| 1 8
+" ||| ' ||| 1 0.2 0.125 0.5 2.718 ||| ||| 1 8
+" ||| bug ' failed to ||| 1 0.2 0.125 5.13682e-06 2.718 ||| ||| 1 8
+" ||| bug ' failed ||| 1 0.2 0.125 0.000236294 2.718 ||| ||| 1 8
+" ||| bug ' ||| 1 0.2 0.125 0.0108696 2.718 ||| ||| 1 8
+" ||| were dreadful ||| 1 1 0.125 0.0108696 2.718 ||| ||| 1 8
+" ||| were ||| 1 1 0.125 0.5 2.718 ||| ||| 1 8
+( das parlament erhebt sich ||| ( the house rose and observed ||| 1 0.142857 1 0.0277778 2.718 ||| ||| 1 1
+( das parlament ||| ( the house rose ||| 1 0.571429 1 0.111111 2.718 ||| ||| 1 1
+( ||| ( ||| 1 1 1 1 2.718 ||| ||| 1 1
+) ||| ) ||| 1 1 1 1 2.718 ||| ||| 1 1
+, daß ||| pleasant festive period ||| 0.5 0.15 1 0.037037 2.718 ||| ||| 2 1
+, insbesondere ||| behalf of ||| 0.5 0.15 0.25 0.0434783 2.718 ||| ||| 2 4
+, insbesondere ||| behalf ||| 0.5 0.15 0.25 1 2.718 ||| ||| 2 4
+, insbesondere ||| on behalf of ||| 0.5 0.15 0.25 0.00189036 2.718 ||| ||| 2 4
+, insbesondere ||| on behalf ||| 0.5 0.15 0.25 0.0434783 2.718 ||| ||| 2 4
+, ist der ||| a number of countries ||| 0.5 0.0675 0.333333 0.0193237 2.718 ||| ||| 2 3
+, ist der ||| in a number of countries ||| 0.5 0.0675 0.333333 0.000420079 2.718 ||| ||| 2 3
+, ist der ||| number of countries ||| 0.5 0.0675 0.333333 0.222222 2.718 ||| ||| 2 3
+, sich zu einer schweigeminute zu ||| , for this minute ' s silence ||| 1 0.000649038 1 3.17028e-06 2.718 ||| ||| 1 1
+, sich zu ||| , for this minute ||| 1 0.00923077 1 0.000126024 2.718 ||| ||| 1 1
+, sich ||| , for this ||| 0.5 0.0153846 0.333333 0.000210039 2.718 ||| ||| 2 3
+, sich ||| , for ||| 0.5 0.0153846 0.333333 0.00966182 2.718 ||| ||| 2 3
+, sich ||| , ||| 0.0769231 0.0153846 0.333333 0.444444 2.718 ||| ||| 13 3
+, zur geschäftsordnung . ||| madam president , on a point ||| 1 0.17094 1 0.00301933 2.718 ||| ||| 1 1
+, ||| , as a number ||| 1 0.307692 0.0666667 1.82643e-05 2.718 ||| ||| 1 15
+, ||| , as a ||| 1 0.307692 0.0666667 0.000840158 2.718 ||| ||| 1 15
+, ||| , as ||| 1 0.307692 0.0666667 0.00966182 2.718 ||| ||| 1 15
+, ||| , for this ||| 0.5 0.307692 0.0666667 0.000210039 2.718 ||| ||| 2 15
+, ||| , for ||| 0.5 0.307692 0.0666667 0.00966182 2.718 ||| ||| 2 15
+, ||| , on ||| 0.5 0.307692 0.0666667 0.0193237 2.718 ||| ||| 2 15
+, ||| , ||| 0.307692 0.307692 0.266667 0.444444 2.718 ||| ||| 13 15
+, ||| . ||| 0.166667 0.166667 0.0666667 0.111111 2.718 ||| ||| 6 15
+, ||| again to wish ||| 1 0.333333 0.0666667 5.25098e-05 2.718 ||| ||| 1 15
+, ||| again to ||| 1 0.333333 0.0666667 0.00241546 2.718 ||| ||| 1 15
+, ||| to wish ||| 1 0.333333 0.0666667 0.00241546 2.718 ||| ||| 1 15
+, ||| to ||| 0.5 0.333333 0.0666667 0.111111 2.718 ||| ||| 2 15
+- ||| in the various ||| 1 0.2 0.25 0.00118147 2.718 ||| ||| 1 4
+- ||| in the ||| 0.25 0.2 0.25 0.0543479 2.718 ||| ||| 4 4
+- ||| in ||| 0.125 0.2 0.25 0.5 2.718 ||| ||| 8 4
+- ||| particularly ||| 0.5 1 0.25 0.5 2.718 ||| ||| 2 4
+. ||| . ||| 0.5 0.5 0.3 0.375 2.718 ||| ||| 6 10
+. ||| a ||| 1 0.555556 0.5 0.625 2.718 ||| ||| 5 10
+. ||| dreadful . ||| 0.5 0.5 0.1 0.00815216 2.718 ||| ||| 2 10
+. ||| on a ||| 1 0.555556 0.1 0.0271739 2.718 ||| ||| 1 10
+17. ||| adjourned ||| 1 1 1 1 2.718 ||| ||| 1 1
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+parlament besteht der ||| of the next ||| 1 0.0857143 0.2 0.666667 2.718 ||| ||| 1 5
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+parlament besteht ||| the next few days , ||| 1 0.142857 0.2 2.05473e-05 2.718 ||| ||| 1 5
+parlament besteht ||| the next few days ||| 1 0.142857 0.2 0.000315059 2.718 ||| ||| 1 5
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+parlament besteht ||| the next ||| 1 0.142857 0.2 0.666667 2.718 ||| ||| 1 5
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+schrecklichen naturkatastrophen ||| people ||| 0.5 0.05 0.333333 1 2.718 ||| ||| 2 3
+schöne ferien ||| a happy new year ||| 0.5 0.05 0.25 4.10946e-05 2.718 ||| ||| 2 4
+schöne ferien ||| happy new year ||| 0.5 0.05 0.25 0.000472588 2.718 ||| ||| 2 4
+schöne ferien ||| new year ||| 0.5 0.05 0.25 0.0217391 2.718 ||| ||| 2 4
+schöne ferien ||| year ||| 0.5 0.05 0.25 1 2.718 ||| ||| 2 4
+sich zu einer schweigeminute zu ||| for this minute ' s silence ||| 0.5 0.00210938 0.333333 7.13313e-06 2.718 ||| ||| 2 3
+sich zu einer schweigeminute zu ||| minute ' s silence ||| 0.25 0.00210938 0.333333 0.0150937 2.718 ||| ||| 4 3
+sich zu einer schweigeminute zu ||| this minute ' s silence ||| 0.5 0.00210938 0.333333 0.000328125 2.718 ||| ||| 2 3
+sich zu ||| for this minute ||| 0.5 0.03 0.333333 0.000283553 2.718 ||| ||| 2 3
+sich zu ||| minute ||| 0.5 0.03 0.333333 0.6 2.718 ||| ||| 2 3
+sich zu ||| this minute ||| 0.5 0.03 0.333333 0.0130435 2.718 ||| ||| 2 3
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+sie ||| storms , ||| 0.5 0.307692 0.2 0.0217391 2.718 ||| ||| 2 5
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+sind bürger einiger ||| the ||| 0.0909091 0.000178572 1 0.5 2.718 ||| ||| 11 1
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+unserer mitgliedstaaten ||| that truly ||| 0.25 0.05 0.2 0.0434783 2.718 ||| ||| 4 5
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+verlauf dieser ||| course ||| 0.5 0.05 1 1 2.718 ||| ||| 2 1
+verlauf ||| course ||| 0.5 1 1 1 2.718 ||| ||| 2 1
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+verschiedenen ländern der ||| as a number of members ||| 0.5 0.03 0.25 4.10946e-05 2.718 ||| ||| 2 4
+verschiedenen ländern der ||| number of members ||| 0.5 0.03 0.25 0.0217391 2.718 ||| ||| 2 4
+verschiedenen ländern der ||| of members ||| 0.5 0.03 0.25 1 2.718 ||| ||| 2 4
+verschiedenen ländern ||| members ||| 0.5 0.05 1 1 2.718 ||| ||| 2 1
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+von schrecklichen ||| ' millennium ||| 0.25 0.05 0.0833333 0.0217391 2.718 ||| ||| 4 12
+von schrecklichen ||| , the dreaded ' millennium bug ||| 0.25 0.05 0.0833333 7.28284e-08 2.718 ||| ||| 4 12
+von schrecklichen ||| , the dreaded ' millennium ||| 0.25 0.05 0.0833333 3.35011e-06 2.718 ||| ||| 4 12
+von schrecklichen ||| dreaded ' millennium bug ||| 0.25 0.05 0.0833333 1.02736e-05 2.718 ||| ||| 4 12
+von schrecklichen ||| dreaded ' millennium ||| 0.25 0.05 0.0833333 0.000472588 2.718 ||| ||| 4 12
+von schrecklichen ||| millennium bug ||| 0.25 0.05 0.0833333 0.0217391 2.718 ||| ||| 4 12
+von schrecklichen ||| millennium ||| 0.25 0.05 0.0833333 1 2.718 ||| ||| 4 12
+von schrecklichen ||| seen , the dreaded ' millennium bug ||| 0.25 0.05 0.0833333 1.58322e-09 2.718 ||| ||| 4 12
+von schrecklichen ||| seen , the dreaded ' millennium ||| 0.25 0.05 0.0833333 7.28284e-08 2.718 ||| ||| 4 12
+von schrecklichen ||| the dreaded ' millennium bug ||| 0.25 0.05 0.0833333 1.1167e-06 2.718 ||| ||| 4 12
+von schrecklichen ||| the dreaded ' millennium ||| 0.25 0.05 0.0833333 5.13683e-05 2.718 ||| ||| 4 12
+von ||| ' millennium bug ||| 0.25 1 0.0833333 0.000472588 2.718 ||| ||| 4 12
+von ||| ' millennium ||| 0.25 1 0.0833333 0.0217391 2.718 ||| ||| 4 12
+von ||| , the dreaded ' millennium bug ||| 0.25 1 0.0833333 7.28284e-08 2.718 ||| ||| 4 12
+von ||| , the dreaded ' millennium ||| 0.25 1 0.0833333 3.35011e-06 2.718 ||| ||| 4 12
+von ||| dreaded ' millennium bug ||| 0.25 1 0.0833333 1.02736e-05 2.718 ||| ||| 4 12
+von ||| dreaded ' millennium ||| 0.25 1 0.0833333 0.000472588 2.718 ||| ||| 4 12
+von ||| millennium bug ||| 0.25 1 0.0833333 0.0217391 2.718 ||| ||| 4 12
+von ||| millennium ||| 0.25 1 0.0833333 1 2.718 ||| ||| 4 12
+von ||| seen , the dreaded ' millennium bug ||| 0.25 1 0.0833333 1.58322e-09 2.718 ||| ||| 4 12
+von ||| seen , the dreaded ' millennium ||| 0.25 1 0.0833333 7.28284e-08 2.718 ||| ||| 4 12
+von ||| the dreaded ' millennium bug ||| 0.25 1 0.0833333 1.1167e-06 2.718 ||| ||| 4 12
+von ||| the dreaded ' millennium ||| 0.25 1 0.0833333 5.13683e-05 2.718 ||| ||| 4 12
+wie sie ||| although , as ||| 1 0.230769 1 0.25 2.718 ||| ||| 1 1
+wiederaufgenommen ||| friday ||| 1 1 1 1 2.718 ||| ||| 1 1
+wiederaufnahme der sitzungsperiode ||| resumption of the session ||| 1 0.385714 1 0.163265 2.718 ||| ||| 1 1
+wiederaufnahme der ||| resumption of ||| 1 0.6 1 1 2.718 ||| ||| 1 1
+wiederaufnahme ||| resumption ||| 1 1 1 1 2.718 ||| ||| 1 1
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+wunsch nach einer aussprache ||| on this subject in ||| 1 0.0025 1 0.0277778 2.718 ||| ||| 1 1
+wunsch nach ||| in ||| 0.125 0.02 1 1 2.718 ||| ||| 8 1
+wunsch ||| in ||| 0.25 0.4 1 1 2.718 ||| ||| 8 2
+wünsche ||| december ||| 1 1 1 1 2.718 ||| ||| 1 1
+zu einer schweigeminute . ) ||| a minute ' s silence ) ||| 1 0.0825 1 0.0119629 2.718 ||| ||| 1 1
+zu einer schweigeminute . ||| a minute ' s silence ||| 1 0.0825 1 0.0119629 2.718 ||| ||| 1 1
+zu einer schweigeminute zu ||| for this minute ' s silence ||| 0.5 0.0421875 0.333333 7.13313e-06 2.718 ||| ||| 2 3
+zu einer schweigeminute zu ||| minute ' s silence ||| 0.25 0.0421875 0.333333 0.0150937 2.718 ||| ||| 4 3
+zu einer schweigeminute zu ||| this minute ' s silence ||| 0.5 0.0421875 0.333333 0.000328125 2.718 ||| ||| 2 3
+zu einer schweigeminute ||| minute ' s silence ||| 0.25 0.1485 1 0.0191406 2.718 ||| ||| 4 1
+zu ||| for this minute ||| 0.5 0.6 0.333333 0.000283553 2.718 ||| ||| 2 3
+zu ||| minute ||| 0.5 0.6 0.333333 0.6 2.718 ||| ||| 2 3
+zu ||| this minute ||| 0.5 0.6 0.333333 0.0130435 2.718 ||| ||| 2 3
+zum jahreswechsel ||| once again ||| 0.333333 0.05 0.5 0.0217391 2.718 ||| ||| 3 2
+zum jahreswechsel ||| once ||| 0.333333 0.05 0.5 1 2.718 ||| ||| 3 2
+zur ||| madam ||| 1 1 1 1 2.718 ||| ||| 1 1
diff --git a/example/models/reordering-table b/example/models/reordering-table
new file mode 100644
index 0000000..040e2ea
--- /dev/null
+++ b/example/models/reordering-table
@@ -0,0 +1,387 @@
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+" ||| ' failed ||| 0.200000 0.200000 0.600000 0.200000 0.200000 0.600000
+" ||| ' ||| 0.200000 0.200000 0.600000 0.200000 0.200000 0.600000
+" ||| bug ' failed to ||| 0.200000 0.200000 0.600000 0.200000 0.200000 0.600000
+" ||| bug ' failed ||| 0.200000 0.200000 0.600000 0.200000 0.200000 0.600000
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+" ||| were ||| 0.200000 0.200000 0.600000 0.200000 0.200000 0.600000
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+, insbesondere ||| on behalf ||| 0.200000 0.200000 0.600000 0.200000 0.200000 0.600000
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+, ||| , ||| 0.090909 0.090909 0.818182 0.090909 0.090909 0.818182
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+unserer mitgliedstaaten opfer ||| natural disasters that truly ||| 0.200000 0.200000 0.600000 0.200000 0.200000 0.600000
+unserer mitgliedstaaten opfer ||| of natural disasters that truly ||| 0.200000 0.200000 0.600000 0.200000 0.200000 0.600000
+unserer mitgliedstaaten opfer ||| that truly ||| 0.200000 0.200000 0.600000 0.200000 0.200000 0.600000
+unserer mitgliedstaaten opfer ||| truly ||| 0.200000 0.200000 0.600000 0.200000 0.200000 0.600000
+unserer mitgliedstaaten ||| disasters that truly ||| 0.200000 0.200000 0.600000 0.200000 0.200000 0.600000
+unserer mitgliedstaaten ||| natural disasters that truly ||| 0.200000 0.200000 0.600000 0.200000 0.200000 0.600000
+unserer mitgliedstaaten ||| of natural disasters that truly ||| 0.200000 0.200000 0.600000 0.200000 0.200000 0.600000
+unserer mitgliedstaaten ||| that truly ||| 0.200000 0.200000 0.600000 0.200000 0.200000 0.600000
+unserer mitgliedstaaten ||| truly ||| 0.200000 0.200000 0.600000 0.200000 0.200000 0.600000
+unterbrochene sitzungsperiode ||| resumed the session of the ||| 0.200000 0.200000 0.600000 0.200000 0.600000 0.200000
+unterbrochene ||| resumed ||| 0.200000 0.200000 0.600000 0.600000 0.200000 0.200000
+verlauf dieser sitzungsperiode ||| the course ||| 0.200000 0.200000 0.600000 0.200000 0.200000 0.600000
+verlauf dieser ||| course ||| 0.200000 0.600000 0.200000 0.200000 0.200000 0.600000
+verlauf ||| course ||| 0.200000 0.200000 0.600000 0.200000 0.200000 0.600000
+verschiedenen ländern der ||| a number of members ||| 0.200000 0.200000 0.600000 0.200000 0.600000 0.200000
+verschiedenen ländern der ||| as a number of members ||| 0.200000 0.200000 0.600000 0.200000 0.600000 0.200000
+verschiedenen ländern der ||| number of members ||| 0.200000 0.200000 0.600000 0.200000 0.600000 0.200000
+verschiedenen ländern der ||| of members ||| 0.200000 0.200000 0.600000 0.200000 0.600000 0.200000
+verschiedenen ländern ||| members ||| 0.200000 0.600000 0.200000 0.200000 0.600000 0.200000
+von schrecklichen ||| ' millennium bug ||| 0.200000 0.200000 0.600000 0.200000 0.200000 0.600000
+von schrecklichen ||| ' millennium ||| 0.200000 0.200000 0.600000 0.200000 0.200000 0.600000
+von schrecklichen ||| , the dreaded ' millennium bug ||| 0.200000 0.200000 0.600000 0.200000 0.200000 0.600000
+von schrecklichen ||| , the dreaded ' millennium ||| 0.200000 0.200000 0.600000 0.200000 0.200000 0.600000
+von schrecklichen ||| dreaded ' millennium bug ||| 0.200000 0.200000 0.600000 0.200000 0.200000 0.600000
+von schrecklichen ||| dreaded ' millennium ||| 0.200000 0.200000 0.600000 0.200000 0.200000 0.600000
+von schrecklichen ||| millennium bug ||| 0.200000 0.200000 0.600000 0.200000 0.200000 0.600000
+von schrecklichen ||| millennium ||| 0.200000 0.200000 0.600000 0.200000 0.200000 0.600000
+von schrecklichen ||| seen , the dreaded ' millennium bug ||| 0.200000 0.200000 0.600000 0.200000 0.200000 0.600000
+von schrecklichen ||| seen , the dreaded ' millennium ||| 0.200000 0.200000 0.600000 0.200000 0.200000 0.600000
+von schrecklichen ||| the dreaded ' millennium bug ||| 0.200000 0.200000 0.600000 0.200000 0.200000 0.600000
+von schrecklichen ||| the dreaded ' millennium ||| 0.200000 0.200000 0.600000 0.200000 0.200000 0.600000
+von ||| ' millennium bug ||| 0.200000 0.200000 0.600000 0.200000 0.200000 0.600000
+von ||| ' millennium ||| 0.200000 0.200000 0.600000 0.200000 0.200000 0.600000
+von ||| , the dreaded ' millennium bug ||| 0.200000 0.200000 0.600000 0.200000 0.200000 0.600000
+von ||| , the dreaded ' millennium ||| 0.200000 0.200000 0.600000 0.200000 0.200000 0.600000
+von ||| dreaded ' millennium bug ||| 0.200000 0.200000 0.600000 0.200000 0.200000 0.600000
+von ||| dreaded ' millennium ||| 0.200000 0.200000 0.600000 0.200000 0.200000 0.600000
+von ||| millennium bug ||| 0.200000 0.200000 0.600000 0.200000 0.200000 0.600000
+von ||| millennium ||| 0.200000 0.200000 0.600000 0.200000 0.200000 0.600000
+von ||| seen , the dreaded ' millennium bug ||| 0.200000 0.200000 0.600000 0.200000 0.200000 0.600000
+von ||| seen , the dreaded ' millennium ||| 0.200000 0.200000 0.600000 0.200000 0.200000 0.600000
+von ||| the dreaded ' millennium bug ||| 0.200000 0.200000 0.600000 0.200000 0.200000 0.600000
+von ||| the dreaded ' millennium ||| 0.200000 0.200000 0.600000 0.200000 0.200000 0.600000
+wie sie ||| although , as ||| 0.600000 0.200000 0.200000 0.200000 0.200000 0.600000
+wiederaufgenommen ||| friday ||| 0.200000 0.200000 0.600000 0.200000 0.200000 0.600000
+wiederaufnahme der sitzungsperiode ||| resumption of the session ||| 0.600000 0.200000 0.200000 0.600000 0.200000 0.200000
+wiederaufnahme der ||| resumption of ||| 0.600000 0.200000 0.200000 0.600000 0.200000 0.200000
+wiederaufnahme ||| resumption ||| 0.600000 0.200000 0.200000 0.600000 0.200000 0.200000
+wunsch einiger ||| in ||| 0.200000 0.200000 0.600000 0.200000 0.200000 0.600000
+wunsch nach einer aussprache ||| on this subject in ||| 0.200000 0.200000 0.600000 0.200000 0.200000 0.600000
+wunsch nach ||| in ||| 0.200000 0.200000 0.600000 0.200000 0.200000 0.600000
+wunsch ||| in ||| 0.142857 0.142857 0.714286 0.142857 0.142857 0.714286
+wünsche ||| december ||| 0.200000 0.200000 0.600000 0.200000 0.200000 0.600000
+zu einer schweigeminute . ) ||| a minute ' s silence ) ||| 0.600000 0.200000 0.200000 0.600000 0.200000 0.200000
+zu einer schweigeminute . ||| a minute ' s silence ||| 0.600000 0.200000 0.200000 0.600000 0.200000 0.200000
+zu einer schweigeminute zu ||| for this minute ' s silence ||| 0.200000 0.200000 0.600000 0.200000 0.200000 0.600000
+zu einer schweigeminute zu ||| minute ' s silence ||| 0.200000 0.200000 0.600000 0.200000 0.200000 0.600000
+zu einer schweigeminute zu ||| this minute ' s silence ||| 0.200000 0.200000 0.600000 0.200000 0.200000 0.600000
+zu einer schweigeminute ||| minute ' s silence ||| 0.200000 0.600000 0.200000 0.200000 0.200000 0.600000
+zu ||| for this minute ||| 0.200000 0.200000 0.600000 0.200000 0.200000 0.600000
+zu ||| minute ||| 0.200000 0.200000 0.600000 0.200000 0.200000 0.600000
+zu ||| this minute ||| 0.200000 0.200000 0.600000 0.200000 0.200000 0.600000
+zum jahreswechsel ||| once again ||| 0.200000 0.200000 0.600000 0.200000 0.200000 0.600000
+zum jahreswechsel ||| once ||| 0.200000 0.200000 0.600000 0.200000 0.200000 0.600000
+zur ||| madam ||| 0.200000 0.200000 0.600000 0.600000 0.200000 0.200000
diff --git a/example/scripts/PUT_MOSES_SCRIPTS_IN_HERE b/example/scripts/PUT_MOSES_SCRIPTS_IN_HERE
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/example/scripts/PUT_MOSES_SCRIPTS_IN_HERE
diff --git a/inbetwmert.sh b/inbetwmert.sh
new file mode 100755
index 0000000..94f2b84
--- /dev/null
+++ b/inbetwmert.sh
@@ -0,0 +1,159 @@
+#!/bin/bash
+
+# mmert v0.2
+# manipulate mert-moses.pl script
+# Copyright 2011
+# Patrick Simianer
+# Heidelberg University, ICL
+#
+# This file is part of MMERT.
+#
+# MMERT is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# MMERT is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with MMERT. If not, see <http://www.gnu.org/licenses/>.
+
+
+function usage()
+{
+ echo "Usage: $0 <suffix>"
+ exit
+}
+
+if [ -z "$1" ]; then usage; fi
+
+
+MMERTPKG=~/mmert/example/ # base directory
+BIN=$MMERTPKG/bin/ # binaries (moses, mert, extractor)
+DECODER=$BIN/moses # decoder
+SCRIPTS=$MMERTPKG/scripts/ # moses scripts folder
+FOLDER_PREFIX=mert_$1 # directory for logs (created in current directory)
+WORKDIR=mmert_$1 # working directory for mmert (created in current directory)
+PARALLEL=2 # number moses/mert processes to run in parallel
+DECODER_FLAGS="-th 1" # additional decoder flags, e.g. '-th 8' for 8 threads per moses instance, needs moses with thread support
+TASKS=(A B C D) # used to identify tasks
+TASKL="A,B,C,D" # same as above as string, tasks ids separated by ','
+NUMTASKS=${#TASKS[@]} # for parallelization, number of tasks
+INI=$MMERTPKG/ini/moses.ini # one moses ini for all tasks (e.g. pooled model and/or same start weights)? or prefix for individual inis
+SET=dev # dev or devtest (only used to build filenames)?
+#declare -A INIS
+#INIS[${TASKS[0]}]=$INI/$SET/${TASKS[0]}/moses.ini # individual inis (for individual models and/or individual start weights)
+#INIS[${TASKS[1]}]=$INI/$SET/${TASKS[1]}/moses.ini
+#INIS[${TASKS[2]}]=$INI/$SET/${TASKS[2]}/moses.ini
+#INIS[${TASKS[3]}]=$INI/$SET/${TASKS[3]}/moses.ini
+#INIS[${TASKS[4]}]=$INI/$SET/${TASKS[4]}/moses.ini
+#INIS[${TASKS[5]}]=$INI/$SET/${TASKS[5]}/moses.ini
+#INIS[${TASKS[6]}]=$INI/$SET/${TASKS[6]}/moses.ini
+
+# the next variables enable the script to locate your dev set(s), please set accordingly
+# see also run_mert_wrapper() function
+FR=de # source language
+EN=en # target language
+TUNEFILE_PREFIX=epmini-$SET # to build filenames of dev(test) sets
+
+MAX_ITER=100 # max mert iterations
+NBEST=100 # n for nbest lists
+INBETW=./regmtl.py # script to run after MERT runs finished
+NUM_WEIGHTS=14 # dimension, length of weight vector
+MIN_CHANGE=0.01 # minimum change in average vector, stopping criterion
+LAMBDA=0.01 # regularization parameter
+FIRST_AVG=0 # 0: zero vector, 1: provide run0.avector.txt yourself (in $WORKDIR)
+
+# parameters
+# $1 FR tuning data
+# $2 EN tuning data
+# $3 /path/to/ini
+# $4 task id
+# $5 --continue
+#
+#
+function run_mert()
+{
+ ./mert-moses.pl \
+ $1 \
+ $2 \
+ $DECODER \
+ $3 \
+ --no-filter-phrase-table \
+ --working-dir $FOLDER_PREFIX"_$4" \
+ --rootdir $SCRIPTS \
+ --decoder-flags "$DECODER_FLAGS" \
+ --mertdir $BIN \
+ --inputtype=0 \
+ --maximum-iterations=9999 \
+ --efficient_scorenbest_flag \
+ --nocase \
+ --nonorm \
+ --nbest=$NBEST \
+ $5
+}
+
+function run_mert_wrapper()
+{
+ T=$1
+ echo -e "\n ===> $IT ========>\n\n" >> $WORKDIR/mert.$T.out >> $WORKDIR/mert.$T.err
+ # replace $INI with ${INIS[$T]} to use separate inis
+ run_mert $MMERTPKG/data/$TUNEFILE_PREFIX-$T.$FR $MMERTPKG/data/$TUNEFILE_PREFIX-$T.$EN $INI $T $CONT >> $WORKDIR/mert.$T.out 2>> $WORKDIR/mert.$T.err
+}
+
+function wait_for()
+{
+ echo "Waiting for ${#WAITFOR[@]} MERT procs..."
+ for pid in ${WAITFOR[@]}; do
+ wait $pid;
+ done
+}
+
+
+if [ ! -d "$WORKDIR" ]; then
+ mkdir $WORKDIR
+fi
+
+IT=0
+while true; do
+ IT=$(($IT+1))
+ if [ $IT -eq 1 ]; then
+ echo "First iteration"
+ CONT="";
+ else
+ echo -e "\nContinue with $IT"
+ CONT="--continue";
+ fi
+
+ # first half
+ WAITFOR=()
+ for (( i = 1; i <= $PARALLEL; i++ )); do
+ echo "Start for ${TASKS[$i-1]}"
+ run_mert_wrapper ${TASKS[$i-1]} &
+ WAITFOR+=( $! )
+ done
+ wait_for $WAITFOR
+
+ # second half
+ WAITFOR=()
+ for (( i = $PARALLEL+1; i <= $NUMTASKS; i++)); do
+ echo "Start for ${TASKS[$i-1]}"
+ run_mert_wrapper ${TASKS[$i-1]} &
+ WAITFOR+=( $! )
+ done
+ wait_for $WAITFOR
+
+ echo "Running $INBETW ..."
+ $INBETW $FOLDER_PREFIX $WORKDIR $TASKL $IT $NUM_WEIGHTS $MIN_CHANGE $LAMBDA $FIRST_AVG
+
+ if [ -f "$WORKDIR/CONVERGED" ]; then break; fi
+ if [ $IT -eq $MAX_ITER ]; then
+ echo "Reached global iteration limit ($MAX_ITER), stopping.";
+ break;
+ fi
+done
+echo 'done'
+
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);
+}
+
diff --git a/regmtl.py b/regmtl.py
new file mode 100755
index 0000000..8a976f4
--- /dev/null
+++ b/regmtl.py
@@ -0,0 +1,203 @@
+#!/usr/bin/env python2.6
+
+"""
+mmert v0.2
+multi-task mert
+Copyright 2011
+Patrick Simianer
+Heidelberg University, ICL
+"""
+
+# This file is part of MMERT.
+#
+# MMERT is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# MMERT is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with MMERT. If not, see <http://www.gnu.org/licenses/>.
+
+
+import os, sys, shutil
+
+
+def read_vec_from_file(fname):
+ """ File looks like: "w1 w2 ... wn" (on one line). """
+ return [float(el) for el in open(fname, 'r').read().strip().split()]
+
+def vec2str(vector):
+ """ vec looks like: [0., 1.1, 2.2, ..., d] """
+ return " ".join([str(el) for el in vector])
+
+def get_biggest_change(vector1, vector2):
+ """ Biggest difference of two vectors (element-wise) in abs value. """
+ biggest = 0
+ idx_ = 0
+ for element in vector1:
+ diff = abs(element - vector2[idx_])
+ if diff > biggest:
+ biggest = diff
+ idx_ += 1
+ return biggest
+
+def get_avg_vec(vecs, vec_len):
+ """ 'vecs' is a list of vectors; calc arithmetic mean element-wise. """
+ avg_vec = []
+ num_vecs = len(vecs)
+ for idx_ in range(vec_len):
+ mysum = 0.
+ for vector in vecs:
+ mysum += vector[idx_]
+ avg = mysum/num_vecs
+ avg_vec.append(avg)
+ return avg_vec
+
+def get_best_points_line_idx(lines):
+ """ Line number where to find best point in a mert.log. """
+ idx_ = 0
+ for line in lines:
+ if line.startswith("Best point: "):
+ break
+ idx_ += 1
+ return idx_
+
+def get_weights_from_log(fname):
+ """ Get weights from a mert.log. """
+ logfile = open(fname, "r")
+ lines = logfile.readlines()
+ logfile.close()
+ idx_ = get_best_points_line_idx(lines)
+ return [float(el) for el in \
+ lines[idx_].split("Best point: ")[1].split("=>")[0].split()]
+
+def write_new_log_file(fname, vec_):
+ """ Write a new mert.log file with weights found in vec. """
+ logfile = open(fname, "r")
+ lines = logfile.readlines()
+ logfile.close()
+ idx_ = get_best_points_line_idx(lines)
+ log = "".join(lines[0:idx_])
+ log += "Best point: "+vec2str(vec_)+" => 99\n"
+ log += "".join(lines[idx_+1:])
+ open(fname, "w+").write(log)
+
+
+
+
+# parameters
+DIR_PREFIX = sys.argv[1] # directory prefix
+ # (for task specific directories)
+WORKDIR = sys.argv[2] # work directory
+TASKS = sys.argv[3].split(",") # task list "a,b,c..."
+CUR_IT = int(sys.argv[4]) # current (global) iteration
+NUM_WEIGHTS = int(sys.argv[5]) # dimensionality of a weight vector?
+MIN_CHANGE = float(sys.argv[6]) # min change in a vector
+ # to still continue
+LAMBDA = float(sys.argv[7]) # lambda for regularization
+FIRST_AVERAGE = bool(int(sys.argv[8])) # first average vector,
+ # 0 or self provided
+
+print " CUR_IT %s" % str(CUR_IT)
+if CUR_IT == 1:
+ print " DIR_PREFIX %s" % DIR_PREFIX
+ print " WORKDIR %s" % WORKDIR
+ print " TASKS %s" % str(TASKS)
+ print " NUM_WEIGHTS %s" % str(NUM_WEIGHTS)
+ print " MIN_CHANGE %s" % str(MIN_CHANGE)
+ print " LAMBDA %s" % str(LAMBDA)
+ print " FIRST_AVERAGE %s" % str(FIRST_AVERAGE)
+ if not FIRST_AVERAGE:
+ print " first average is 0 vector, creating file.."
+ open(WORKDIR+"/run0.avector.txt", "w+").write(\
+ " ".join(["0.0" for i in range(NUM_WEIGHTS)]))
+ else:
+ print " looking for pre-defined first average.."
+ if not os.path.exists(WORKDIR+"/run0.avector.txt"):
+ sys.stderr.write(sys.argv[0] + \
+ " ERROR: You have to provide your own run0.avector.txt \
+ containing the first average vector! arg FIRST_AVERAGE=" \
+ +str(FIRST_AVERAGE)+"\n")
+ sys.exit (1)
+
+ITERATIONS = {} # current iteration(s)
+CUR_VECS = {} # current weight vectors (from latest mert iteration)
+VEC_LEN = 0 # check vector length
+for t in TASKS:
+ print " reading vector from task %s" % t
+ ITERATIONS[t] = int(open(DIR_PREFIX + "_" + t +\
+ "/finished_step.txt").read().strip())
+ cur = get_weights_from_log(DIR_PREFIX+"_"+t+"/run"+str((ITERATIONS[t])) + \
+ ".mert.log")
+ print cur
+ VEC_LEN = len(cur)
+ if VEC_LEN != NUM_WEIGHTS:
+ sys.stderr.write(sys.argv[0] + \
+ " ERROR: vector lengths differ! (task: "+t+", len: "+str(VEC_LEN) + \
+ ", expected: "+str(NUM_WEIGHTS)+")\n")
+ CUR_VECS[t] = cur
+
+# get previous average vector
+PREV_AVG_VEC = read_vec_from_file(WORKDIR+"/run"+str(CUR_IT-1)+".avector.txt")
+print " Previous average vector (clip against):"
+print PREV_AVG_VEC
+
+# new weight vecs
+print " Calculating new weight vectors (clipping).."
+NEXT_VECS = {}
+for (t, vec) in CUR_VECS.items():
+ print " Task %s, before (current)" % t
+ print vec
+ idx = 0
+ nxt = []
+ for w in vec:
+ if w == 0:
+ nxt.append(0.0)
+ idx += 1
+ continue
+ if (w - PREV_AVG_VEC[idx] > 0):
+ nxt.append(max(PREV_AVG_VEC[idx], w - LAMBDA))
+ elif (w - PREV_AVG_VEC[idx] < 0):
+ nxt.append(min(PREV_AVG_VEC[idx], w + LAMBDA))
+ else:
+ nxt.append(w)
+ idx += 1
+ NEXT_VECS[t] = nxt
+ print " Task %s, after (next)" % t
+ print nxt
+
+# get current average vector
+AVG_VEC = get_avg_vec(NEXT_VECS.values(), VEC_LEN)
+
+print " Current average vector (after clipping):"
+print AVG_VEC
+
+# convergence?
+print " Previous average:", PREV_AVG_VEC
+print " Current average:", AVG_VEC
+BIGGEST_CHANGE = get_biggest_change(PREV_AVG_VEC, AVG_VEC)
+print " Biggest change:", BIGGEST_CHANGE
+# note: use weights from latest mert.log for eval!
+if BIGGEST_CHANGE < MIN_CHANGE:
+ print " Converged!"
+ open(WORKDIR+"/CONVERGED", "w+").close()
+
+# overwrite (and backup) mert.log
+for t in TASKS:
+ logfilename = DIR_PREFIX+"_"+t+"/run"+str(ITERATIONS[t])+".mert.log"
+ shutil.copy(logfilename, logfilename+".bak")
+ write_new_log_file(logfilename, NEXT_VECS[t])
+ open(DIR_PREFIX+"_"+t+"/weightshist", "a+").write(str(ITERATIONS[t])+"\n"+ \
+ "cur "+str(CUR_VECS[t])+"\n"+ \
+ "prev avg "+str(PREV_AVG_VEC)+"\n"+ \
+ "next "+str(NEXT_VECS[t])+"\n"+ \
+ "cur avg "+str(AVG_VEC)+"\n---\n")
+
+# write out current avg vector
+open(WORKDIR+"/run"+str(CUR_IT)+".avector.txt", "w+").write(vec2str(AVG_VEC))
+
generated by cgit v1.2.3 (git 2.39.1) at 2024-05-09 23:28:40 +0000