Helsinki-NLP/OPUS-MT-train
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OPUS-MT-train/doc/Test.md
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Translating and evaluating

Overview

Relevant makefiles:

Main recipes:

  • translate: tanslate test set
  • eval: evaluate translated test set
  • compare: merge input, output, reference
  • eval-testsets: translate and evaluate all test sets
  • eval-ensemble: evaluate model ensemble
  • eval-RL: evaluate right-to-left model
  • eval-allmodels: evaluate all models in WORKHOME

Parameters / variables:

  • SRCLANGS: list of source language codes
  • TRGLANGS: list of target language codes
  • MODELTYPE: transformer or transformer-align (with guided alignment) (default: transformer-align)

Detailed information

Basic targets for translating and evaluating the test set can be done by running:

make [OPTIONS] translate
make [OPTIONS] eval
make [OPTIONS] compare

Set the options to correspond to your model, so at least SRCLANGS and TRGLANGS. It is not necessary to call make translate separately as make eval requires the translated data. make compare generates a file that merges input, output and reference translation for comparison.

The translations and evaluation scores will be stored in the work directory of the current model (work/${LANGPAIRSTR}) with the name of the test set and the name of the model.

  • translations: ${WORKDIR}/${TESTSET_NAME}.${MODEL}${NR}.${MODELTYPE}.${SRC}.${TRG}
  • scores: ${WORKDIR}/${TESTSET_NAME}.${MODEL}${NR}.${MODELTYPE}.${SRC}.${TRG}.eval
  • comparison: ${WORKDIR}/${TESTSET_NAME}.${MODEL}${NR}.${MODELTYPE}.${SRC}.${TRG}.compare

Translate additional test sets

There is a collection of addiitonal test sets in testsets/. It is possible to run through all test sets of language pairs that are supported by the current model by calling:

make [OPTIONS] eval-testsets

All tanslations and evaluation scores will be stored with the test set names in the work directory of the model.