-h,--help                             Print this help message and exit
--version                             Print the version number and exit
--authors                             Print list of authors and exit
--cite                                Print citation and exit
--build-info TEXT                     Print CMake build options and exit. Set to 'all' to print 
                                      advanced options
-c,--config VECTOR ...                Configuration file(s). If multiple, later overrides earlier
-w,--workspace INT=2048               Preallocate arg MB of work space. Negative `--workspace -N` 
                                      value allocates workspace as total available GPU memory 
                                      minus N megabytes.
--log TEXT                            Log training process information to file given by arg
--log-level TEXT=info                 Set verbosity level of logging: trace, debug, info, warn, 
                                      err(or), critical, off
--log-time-zone TEXT                  Set time zone for the date shown on logging
--quiet                               Suppress all logging to stderr. Logging to files still works
--quiet-translation                   Suppress logging for translation
--seed UINT                           Seed for all random number generators. 0 means initialize 
                                      randomly
--check-nan                           Check for NaNs or Infs in forward and backward pass. Will 
                                      abort when found. This is a diagnostic option that will 
                                      slow down computation significantly
--interpolate-env-vars                allow the use of environment variables in paths, of the form 
                                      ${VAR_NAME}
--relative-paths                      All paths are relative to the config file location
--dump-config TEXT                    Dump current (modified) configuration to stdout and exit. 
                                      Possible values: full, minimal, expand

-m,--model TEXT=model.npz             Path prefix for model to be saved/resumed. Supported file 
                                      extensions: .npz, .bin
--ignore-model-config                 Ignore the model configuration saved in npz file
--type TEXT=amun                      Model type: amun, nematus, s2s, multi-s2s, transformer
--dim-vocabs VECTOR=0,0 ...           Maximum items in vocabulary ordered by rank, 0 uses all 
                                      items in the provided/created vocabulary file
--dim-emb INT=512                     Size of embedding vector
--factors-dim-emb INT                 Embedding dimension of the factors. Only used if concat is 
                                      selected as factors combining form
--factors-combine TEXT=sum            How to combine the factors and lemma embeddings. Options 
                                      available: sum, concat
--lemma-dependency TEXT               Lemma dependency method to use when predicting target 
                                      factors. Options: soft-transformer-layer, 
                                      hard-transformer-layer, lemma-dependent-bias, re-embedding
--lemma-dim-emb INT=0                 Re-embedding dimension of lemma in factors
--dim-rnn INT=1024                    Size of rnn hidden state
--enc-type TEXT=bidirectional         Type of encoder RNN : bidirectional, bi-unidirectional, 
                                      alternating (s2s)
--enc-cell TEXT=gru                   Type of RNN cell: gru, lstm, tanh (s2s)
--enc-cell-depth INT=1                Number of transitional cells in encoder layers (s2s)
--enc-depth INT=1                     Number of encoder layers (s2s)
--dec-cell TEXT=gru                   Type of RNN cell: gru, lstm, tanh (s2s)
--dec-cell-base-depth INT=2           Number of transitional cells in first decoder layer (s2s)
--dec-cell-high-depth INT=1           Number of transitional cells in next decoder layers (s2s)
--dec-depth INT=1                     Number of decoder layers (s2s)
--skip                                Use skip connections (s2s)
--layer-normalization                 Enable layer normalization
--right-left                          Train right-to-left model
--input-types VECTOR ...              Provide type of input data if different than 'sequence'. 
                                      Possible values: sequence, class, alignment, weight. You 
                                      need to provide one type per input file (if --train-sets) 
                                      or per TSV field (if --tsv).
--best-deep                           Use Edinburgh deep RNN configuration (s2s)
--tied-embeddings                     Tie target embeddings and output embeddings in output layer
--tied-embeddings-src                 Tie source and target embeddings
--tied-embeddings-all                 Tie all embedding layers and output layer
--output-omit-bias                    Do not use a bias vector in decoder output layer
--transformer-heads INT=8             Number of heads in multi-head attention (transformer)
--transformer-no-projection           Omit linear projection after multi-head attention 
                                      (transformer)
--transformer-rnn-projection          Add linear projection after rnn layer (transformer)
--transformer-pool                    Pool encoder states instead of using cross attention 
                                      (selects first encoder state, best used with special token)
--transformer-dim-ffn INT=2048        Size of position-wise feed-forward network (transformer)
--transformer-decoder-dim-ffn INT=0   Size of position-wise feed-forward network in decoder 
                                      (transformer). Uses --transformer-dim-ffn if 0.
--transformer-ffn-depth INT=2         Depth of filters (transformer)
--transformer-decoder-ffn-depth INT=0 Depth of filters in decoder (transformer). Uses 
                                      --transformer-ffn-depth if 0
--transformer-ffn-activation TEXT=swish
                                      Activation between filters: swish or relu (transformer)
--transformer-dim-aan INT=2048        Size of position-wise feed-forward network in AAN 
                                      (transformer)
--transformer-aan-depth INT=2         Depth of filter for AAN (transformer)
--transformer-aan-activation TEXT=swish
                                      Activation between filters in AAN: swish or relu (transformer)
--transformer-aan-nogate              Omit gate in AAN (transformer)
--transformer-decoder-autoreg TEXT=self-attention
                                      Type of autoregressive layer in transformer decoder: 
                                      self-attention, average-attention (transformer)
--transformer-tied-layers VECTOR ...  List of tied decoder layers (transformer)
--transformer-guided-alignment-layer TEXT=last
                                      Last or number of layer to use for guided alignment training 
                                      in transformer
--transformer-preprocess TEXT         Operation before each transformer layer: d = dropout, a = 
                                      add, n = normalize
--transformer-postprocess-emb TEXT=d  Operation after transformer embedding layer: d = dropout, a 
                                      = add, n = normalize
--transformer-postprocess TEXT=dan    Operation after each transformer layer: d = dropout, a = 
                                      add, n = normalize
--transformer-postprocess-top TEXT    Final operation after a full transformer stack: d = dropout, 
                                      a = add, n = normalize. The optional skip connection with 
                                      'a' by-passes the entire stack.
--transformer-train-position-embeddings
                                      Train positional embeddings instead of using static 
                                      sinusoidal embeddings
--transformer-depth-scaling           Scale down weight initialization in transformer layers by 1 
                                      / sqrt(depth)
--bert-mask-symbol TEXT=[MASK]        Masking symbol for BERT masked-LM training
--bert-sep-symbol TEXT=[SEP]          Sentence separator symbol for BERT next sentence prediction 
                                      training
--bert-class-symbol TEXT=[CLS]        Class symbol BERT classifier training
--bert-masking-fraction FLOAT=0.15    Fraction of masked out tokens during training
--bert-train-type-embeddings=true     Train bert type embeddings, set to false to use static 
                                      sinusoidal embeddings
--bert-type-vocab-size INT=2          Size of BERT type vocab (sentence A and B)

--no-reload                           Do not load existing model specified in --model arg
-t,--train-sets VECTOR ...            Paths to corpora to be scored: source target
-o,--output TEXT=stdout               Path to output file, stdout by default
-v,--vocabs VECTOR ...                Paths to vocabulary files have to correspond to 
                                      --train-sets. If this parameter is not supplied we look for 
                                      vocabulary files source.{yml,json} and target.{yml,json}. 
                                      If these files do not exists they are created
--n-best                              Score n-best list instead of plain text corpus
--n-best-feature TEXT=Score           Feature name to be inserted into n-best list
-n,--normalize                        Divide translation score by translation length
--summary TEXT                        Only print total cost, possible values: cross-entropy 
                                      (ce-mean), ce-mean-words, ce-sum, perplexity
--alignment TEXT                      Return word alignments. Possible values: 0.0-1.0, hard, soft
--word-scores                         Print word-level scores. One score per subword unit, not 
                                      normalized even if --normalize
--max-length UINT=1000                Maximum length of a sentence in a training sentence pair
--max-length-crop                     Crop a sentence to max-length instead of omitting it if 
                                      longer than max-length
--tsv                                 Tab-separated input
--tsv-fields UINT                     Number of fields in the TSV input. By default, it is guessed 
                                      based on the model type
-d,--devices VECTOR=0 ...             Specifies GPU ID(s) to use for training. Defaults to 
                                      0..num-devices-1
--num-devices UINT                    Number of GPUs to use for this process. Defaults to 
                                      length(devices) or 1
--cpu-threads UINT=0                  Use CPU-based computation with this many independent 
                                      threads, 0 means GPU-based computation
--mini-batch INT=64                   Size of mini-batch used during batched scoring
--mini-batch-words INT                Set mini-batch size based on words instead of sentences
--maxi-batch INT=100                  Number of batches to preload for length-based sorting
--maxi-batch-sort TEXT=trg            Sorting strategy for maxi-batch: none, src, trg (not 
                                      available for decoder)
--data-threads UINT=8                 Number of concurrent threads to use during data reading and 
                                      processing
--fp16                                Shortcut for mixed precision inference with float16, 
                                      corresponds to: --precision float16
--precision VECTOR=float32 ...        Mixed precision for inference, set parameter type in 
                                      expression graph
--optimize=false                      Optimize the graph on-the-fly
-g,--gemm-type TEXT=float32           GEMM Type to be used for on-line quantization/packing: 
                                      float32, packed16, packed8
--quantize-range FLOAT=0              Range for the on-line quantiziation of weight matrix in 
                                      multiple of this range and standard deviation, 0.0 means 
                                      min/max quantization