configuration_megrezo.py

# Copyright 2024 Infinigence AI 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.

"""MegrezO model configuration"""

from typing import Optional

from transformers.configuration_utils import PretrainedConfig
from transformers.models.llama.configuration_llama import LlamaConfig
from transformers.utils import logging

from .modeling_navit_siglip import SiglipVisionConfig

logger = logging.get_logger(__name__)


class AudioConfig(PretrainedConfig):
    model_type = "megrezo"

    def __init__(
        self,
        n_mels: int = 128,
        n_ctx: int = 1500,
        n_state: int = 1280,
        n_head: int = 20,
        n_layer: int = 32,
        output_dim: int = 2560,
        avg_pool: bool = True,
        add_audio_bos_eos_token: bool = True,
        **kwargs,
    ):
        super().__init__(**kwargs)

        self.n_mels = n_mels
        self.n_ctx = n_ctx
        self.n_state = n_state
        self.n_head = n_head
        self.n_layer = n_layer
        self.output_dim = output_dim
        self.avg_pool = avg_pool
        self.add_audio_bos_eos_token = add_audio_bos_eos_token


class MegrezOConfig(LlamaConfig):
    model_type = "megrezo"
    keys_to_ignore_at_inference = ["past_key_values"]
    is_composition = True

    _default_audio_config = {
        "n_mels": 128,
        "n_ctx": 1500,
        "n_state": 1280,
        "n_head": 20,
        "n_layer": 32,
        "output_dim": 2560,
        "avg_pool": True,
        "add_audio_bos_eos_token": True,
    }

    _default_vision_config = {
        "intermediate_size": 4304,
        "num_hidden_layers": 27,
        "num_attention_heads": 16,
        "image_size": 980,
        "hidden_size": 1152,
        "patch_size": 16,
        "model_type": "siglip_vision_model",
    }

    def __init__(
        self,
        audio_config: Optional[AudioConfig] = None,
        vision_config: Optional[SiglipVisionConfig] = None,
        **kwargs,
    ):
        super().__init__(**kwargs)

        if audio_config is None:
            self.audio_config = AudioConfig(**self._default_audio_config)
        elif isinstance(audio_config, dict):
            self.audio_config = AudioConfig(**audio_config)
        elif isinstance(audio_config, AudioConfig):
            self.audio_config = audio_config

        if vision_config is None:
            self.vision_config = SiglipVisionConfig(**self._default_vision_config)
        elif isinstance(vision_config, dict):
            self.vision_config = SiglipVisionConfig(**vision_config)
        elif isinstance(vision_config, SiglipVisionConfig):
            self.vision_config = vision_config