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- # coding=utf-8
- # Copyright 2023 Microsoft Research and The HuggingFace Inc. team. All rights reserved.
- #
- # Licensed under the Apache License, Version 2.0 (the "License");
- # you may not use this file except in compliance with the License.
- # You may obtain a copy of the License at
- #
- # http://www.apache.org/licenses/LICENSE-2.0
- #
- # Unless required by applicable law or agreed to in writing, software
- # distributed under the License is distributed on an "AS IS" BASIS,
- # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- # See the License for the specific language governing permissions and
- # limitations under the License.
- """KOSMOS-2 model configuration"""
- from ...configuration_utils import PretrainedConfig
- from ...utils import logging
- logger = logging.get_logger(__name__)
- class Kosmos2TextConfig(PretrainedConfig):
- r"""
- This is the configuration class to store the configuration of a [`Kosmos2TextModel`]. It is used to instantiate a
- KOSMOS-2 text decoder according to the specified arguments, defining the model architecture. Instantiating a
- configuration with the defaults will yield a similar configuration to that of the text decoder of the KOSMOS-2
- [microsoft/kosmos-2-patch14-224](https://huggingface.co/microsoft/kosmos-2-patch14-224) architecture.
- Configuration objects inherit from [`PretrainedConfig`] and can be used to control the model outputs. Read the
- documentation from [`PretrainedConfig`] for more information.
- Args:
- vocab_size (`int`, *optional*, defaults to 65037):
- Vocabulary size of the Kosmos2 model. Defines the number of different tokens that can be represented by the
- `inputs_ids` passed when calling [`Kosmos2Model`].
- max_position_embeddings (`int`, *optional*, defaults to 2048):
- The maximum sequence length that this model might ever be used with. Typically set this to something large
- just in case (e.g., 512 or 1024 or 2048).
- embed_dim (`int`, *optional*, defaults to 2048):
- Dimensionality of the layers and the pooler layer.
- layers (`int`, *optional*, defaults to 24):
- Number of hidden layers in the Transformer encoder.
- ffn_dim (`int`, *optional*, defaults to 8192):
- Dimensionality of the "intermediate" (often named feed-forward) layer in the Transformer encoder.
- attention_heads (`int`, *optional*, defaults to 32):
- Number of attention heads for each attention layer in the Transformer encoder.
- activation_function (`str` or `function`, *optional*, defaults to `"gelu"`):
- The non-linear activation function (function or string) in the encoder and pooler. If string, `"gelu"`,
- `"relu"`, `"silu"` and `"gelu_new"` are supported.
- dropout (`float`, *optional*, defaults to 0.1):
- The dropout probability for all fully connected layers in the embeddings, encoder, and pooler.
- attention_dropout (`float`, *optional*, defaults to 0.1):
- The dropout ratio for the attention probabilities.
- activation_dropout (`float`, *optional*, defaults to 0.0):
- The dropout ratio for activations inside the fully connected layer.
- layerdrop (`float`, *optional*, defaults to 0.0):
- The LayerDrop probability for the decoder. See the [LayerDrop paper](see https://huggingface.co/papers/1909.11556)
- for more details.
- layer_norm_eps (`float`, *optional*, defaults to 1e-05):
- The epsilon used by the layer normalization layers.
- init_std (`float`, *optional*, defaults to 0.02):
- The standard deviation of the truncated_normal_initializer for initializing all weight matrices.
- scale_embedding (`bool`, *optional*, defaults to `True`):
- Scale embeddings by diving by sqrt(embed_dim).
- use_cache (`bool`, *optional*, defaults to `True`):
- Whether or not the model should return the last key/values attentions (not used by all models).
- pad_token_id (`int`, *optional*, defaults to 1):
- Token id used for padding.
- bos_token_id (`int`, *optional*, defaults to 0):
- Token id used for beginning of string.
- eos_token_id (`int`, *optional*, defaults to 2):
- Token id used for end of string.
- ```"""
- model_type = "kosmos_2_text_model"
- base_config_key = "text_config"
- keys_to_ignore_at_inference = ["past_key_values"]
- attribute_map = {
- "num_attention_heads": "attention_heads",
- "hidden_size": "embed_dim",
- "num_hidden_layers": "layers",
- }
- def __init__(
- self,
- vocab_size=65037,
- max_position_embeddings=2048,
- embed_dim=2048,
- layers=24,
- ffn_dim=8192,
- attention_heads=32,
- activation_function="gelu",
- dropout=0.1,
- attention_dropout=0.1,
- activation_dropout=0.0,
- layerdrop=0.0,
- layer_norm_eps=1e-5,
- init_std=0.02,
- scale_embedding=True,
- use_cache=True,
- pad_token_id=1,
- bos_token_id=0,
- eos_token_id=2,
- **kwargs,
- ):
- super().__init__(
- pad_token_id=pad_token_id,
- bos_token_id=bos_token_id,
- eos_token_id=eos_token_id,
- **kwargs,
- )
- self.vocab_size = vocab_size
- self.max_position_embeddings = max_position_embeddings
- self.embed_dim = embed_dim
- self.layers = layers
- self.ffn_dim = ffn_dim
- self.attention_heads = attention_heads
- self.activation_function = activation_function
- self.dropout = dropout
- self.attention_dropout = attention_dropout
- self.activation_dropout = activation_dropout
- self.layerdrop = layerdrop
- self.layer_norm_eps = layer_norm_eps
- self.init_std = init_std
- self.scale_embedding = scale_embedding
- self.use_cache = use_cache
- class Kosmos2VisionConfig(PretrainedConfig):
- r"""
- This is the configuration class to store the configuration of a [`Kosmos2VisionModel`]. It is used to instantiate a
- KOSMOS-2 vision encoder according to the specified arguments, defining the model architecture. Instantiating a
- configuration with the defaults will yield a similar configuration to that of the vision encoder of the KOSMOS-2
- [microsoft/kosmos-2-patch14-224](https://huggingface.co/microsoft/kosmos-2-patch14-224) architecture.
- Configuration objects inherit from [`PretrainedConfig`] and can be used to control the model outputs. Read the
- documentation from [`PretrainedConfig`] for more information.
- Args:
- hidden_size (`int`, *optional*, defaults to 1024):
- Dimensionality of the encoder layers and the pooler layer.
- intermediate_size (`int`, *optional*, defaults to 4096):
- Dimensionality of the "intermediate" (i.e., feed-forward) layer in the Transformer encoder.
- num_hidden_layers (`int`, *optional*, defaults to 24):
- Number of hidden layers in the Transformer encoder.
- num_attention_heads (`int`, *optional*, defaults to 16):
- Number of attention heads for each attention layer in the Transformer encoder.
- num_channels (`int`, *optional*, defaults to 3):
- The number of input channels.
- image_size (`int`, *optional*, defaults to 224):
- The size (resolution) of each image.
- patch_size (`int`, *optional*, defaults to 14):
- The size (resolution) of each patch.
- hidden_act (`str` or `function`, *optional*, defaults to `"quick_gelu"`):
- The non-linear activation function (function or string) in the encoder and pooler. If string, `"gelu"`,
- `"relu"`, `"selu"` and `"gelu_new"` `"quick_gelu"` are supported.
- layer_norm_eps (`float`, *optional*, defaults to 1e-05):
- The epsilon used by the layer normalization layers.
- attention_dropout (`float`, *optional*, defaults to 0.0):
- The dropout ratio for the attention probabilities.
- initializer_range (`float`, *optional*, defaults to 0.02):
- The standard deviation of the truncated_normal_initializer for initializing all weight matrices.
- initializer_factor (`float`, *optional*, defaults to 1.0):
- A factor for initializing all weight matrices (should be kept to 1, used internally for initialization
- testing).
- ```"""
- model_type = "kosmos_2_vision_model"
- base_config_key = "vision_config"
- def __init__(
- self,
- hidden_size=1024,
- intermediate_size=4096,
- num_hidden_layers=24,
- num_attention_heads=16,
- num_channels=3,
- image_size=224,
- patch_size=14,
- hidden_act="quick_gelu",
- layer_norm_eps=1e-5,
- attention_dropout=0.0,
- initializer_range=0.02,
- initializer_factor=1.0,
- **kwargs,
- ):
- super().__init__(**kwargs)
- self.hidden_size = hidden_size
- self.intermediate_size = intermediate_size
- self.num_hidden_layers = num_hidden_layers
- self.num_attention_heads = num_attention_heads
- self.num_channels = num_channels
- self.patch_size = patch_size
- self.image_size = image_size
- self.initializer_range = initializer_range
- self.initializer_factor = initializer_factor
- self.attention_dropout = attention_dropout
- self.layer_norm_eps = layer_norm_eps
- self.hidden_act = hidden_act
- class Kosmos2Config(PretrainedConfig):
- r"""
- This is the configuration class to store the configuration of a [`Kosmos2Model`]. It is used to instantiate a
- KOSMOS-2 model according to the specified arguments, defining the model architecture. Instantiating a configuration
- with the defaults will yield a similar configuration to that of the KOSMOS-2
- [microsoft/kosmos-2-patch14-224](https://huggingface.co/microsoft/kosmos-2-patch14-224) architecture.
- Args:
- text_config (`dict`, *optional*):
- Dictionary of configuration options used to initialize [`Kosmos2TextConfig`].
- vision_config (`dict`, *optional*):
- Dictionary of configuration options used to initialize [`Kosmos2VisionConfig`].
- latent_query_num (`int`, *optional*, defaults to 64):
- The number of latent query tokens that represent the image features used in the text decoder component.
- kwargs (*optional*):
- Dictionary of keyword arguments.
- Example:
- ```python
- >>> from transformers import Kosmos2Config, Kosmos2Model
- >>> # Initializing a Kosmos-2 kosmos-2-patch14-224 style configuration
- >>> configuration = Kosmos2Config()
- >>> # Initializing a model (with random weights) from the kosmos-2-patch14-224 style configuration
- >>> model = Kosmos2Model(configuration)
- >>> # Accessing the model configuration
- >>> configuration = model.config
- ```"""
- model_type = "kosmos-2"
- sub_configs = {"text_config": Kosmos2TextConfig, "vision_config": Kosmos2VisionConfig}
- def __init__(
- self,
- text_config=None,
- vision_config=None,
- latent_query_num=64,
- **kwargs,
- ):
- super().__init__(**kwargs)
- if text_config is None:
- text_config = {}
- logger.info("`text_config` is `None`. Initializing the `Kosmos2TextConfig` with default values.")
- if vision_config is None:
- vision_config = {}
- logger.info("`vision_config` is `None`. Initializing the `Kosmos2VisionConfig` with default values.")
- self.text_config = Kosmos2TextConfig(**text_config)
- self.vision_config = Kosmos2VisionConfig(**vision_config)
- self.latent_query_num = latent_query_num
- __all__ = ["Kosmos2Config"]
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