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CONFIG_YAML.md

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The Full List of Hyper-parameters Provided in the Config YAML File

  • model_name: The model name.

  • version: The model version.

  • train_path: The path to the pre-processed training questions.

  • train_object_path: The path to the GQA HDF5 file containing the object (Faster-RCNN) featurizations.

  • train_object_info_path: The path to the GQA objects JSON file containing the meta-data for the HDF5 file.

  • validation_path: The path to the pre-processed validation questions.

  • test_path: The path to the test path.

  • image_path: The path to the original GQA images (only required for visualization).

  • model_path: The output path for the model's checkpoints as well as the prediction output JSON.

  • attribute_file: The absolute path to gqa_all_attribute.json.

  • class_file: The absolute path to gqa_all_class.json.

  • relation_file: The absolute path to gqa_relation.json.

  • word_embedding_file: The path to the Glove word-embedding text file.

  • vocabulary_file: The absolute path to gqa_vocab.json.

  • h5_prefix: The prefix for the HDF5 object features chunk files (default: "gqa_objects").

  • h5_chunk_num: The number of chunks for the HDF5 object features (default: 16).

  • repetition_num: The number of runs for the entire training loop.

  • epoch_num: The number of epochs for each training run.

  • error_dim: The number of test metrics reported by the model on the validation/test splits (default: 1).

  • metric_index: The index of the metric on the validation split based on which the best model checkpoint is selected across the training steps.

  • train_batch_size: The number of questions in a single train batch.

  • test_batch_size: The number of questions in a single test/validation batch.

  • learning_rate: The learning rate.

  • weight_decay: The weight decay.

  • dropout: The dropout rate.

  • clip_norm: The clip norm rate used for gradient clipping.

  • verbose: The flag indicating whether to show the execution logs (true/false).

  • max_cache_size: The maximum cache size (default: 100000).

  • box_features_dim: The dimension of the GQA objects feature vectors (default: 2048).

  • oracle_input_dim: The input (output) dimension of the visual oracle (the initial featurizer network).

  • oracle_output_dim: The output dimension of the visual oracle (default: 1).

  • word_embedding_dim: The word embedding dimension (default: 300 for Glove)

  • classifier_oracle: The flag indicating whether to use the classifier-based architecture for the visual oracle (default: true)

  • featurizer_layers_config: A list containing the dimensions of the hidden layers for the MLP representing the featurizer network.

  • attribute_network_layers_config: A list containing the dimensions of the hidden layers for the MLP representing the attribute classifier in the visual oracle.

  • relation_network_layers_config: A list containing the dimensions of the hidden layers for the MLP representing the relation classifier in the visual oracle.

  • operator_layers_config: N/A (default: [])

  • normalize_oracle: The flag indicating whether to normalize the output probabilities of the visual oracle based on their categories (default: true).

  • freeze_featurizer: The flag indicating whether to freeze the parameters of the featurizer network.

  • freeze_attribute_network: The flag indicating whether to freeze the parameters of the attribute network within the visual oracle.

  • freeze_relation_network: The flag indicating whether to freeze the parameters of the relation network within the visual oracle.

  • freeze_embedding_network: The flag indicating whether to freeze the parameters of the last layer of the visual oracle (aka the embedding layer).

  • activate_attention_transfer: The flag indicating whether to activate the attention calibration mechanism.

  • attention_transfer_state_dim: The hidden dimention of the LSTM cell used in the attention calibration network.

  • freeze_attention_network: he flag indicating whether to freeze the parameters of the attention calibration network.

  • trainable_gate: N/A (default: false)

  • likelihood_threshold: The minimum likelihood an answer must have to be considered as a potential option for an open question.

  • hard_mode: The flag indicating whether to use Min/Max for logical conjunction/disjunction at the test time (default: false).

  • cpu_cores_num: Number of CPU cores used for fetching data (automatically set to the maximum cores available if not specified).

  • in_memory: N/A (default: true)

  • gpu_num: The maximum number of GPUs the framework is allowed to use for parallelization.

  • ckeckpointing_frequency: The number of training steps (batches) after which checkpointing happens.

  • first_answer: The flag indicating whether to return only the first answer for an open question in the case of tied likelihoods for mutiple options at the test time (default: false).