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+ from transformers.configuration_utils import PretrainedConfig
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+ from transformers.utils import logging
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+
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+ logger = logging.get_logger(__name__)
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+
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+ DEEPSEEK_PRETRAINED_CONFIG_ARCHIVE_MAP = {}
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+ class DeepseekV2Config(PretrainedConfig):
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+ r"""
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+ This is the configuration class to store the configuration of a [`DeepseekV2Model`]. It is used to instantiate an DeepSeek
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+ model according to the specified arguments, defining the model architecture. Instantiating a configuration with the
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+ defaults will yield a similar configuration to that of the DeepSeek-V2.
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+
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+ Configuration objects inherit from [`PretrainedConfig`] and can be used to control the model outputs. Read the
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+ documentation from [`PretrainedConfig`] for more information.
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+
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+
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+ Args:
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+ vocab_size (`int`, *optional*, defaults to 102400):
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+ Vocabulary size of the Deep model. Defines the number of different tokens that can be represented by the
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+ `inputs_ids` passed when calling [`DeepseekV2Model`]
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+ hidden_size (`int`, *optional*, defaults to 4096):
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+ Dimension of the hidden representations.
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+ intermediate_size (`int`, *optional*, defaults to 11008):
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+ Dimension of the MLP representations.
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+ moe_intermediate_size (`int`, *optional*, defaults to 1407):
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+ Dimension of the MoE representations.
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+ num_hidden_layers (`int`, *optional*, defaults to 32):
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+ Number of hidden layers in the Transformer decoder.
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+ num_attention_heads (`int`, *optional*, defaults to 32):
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+ Number of attention heads for each attention layer in the Transformer decoder.
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+ n_shared_experts (`int`, *optional*, defaults to None):
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+ Number of shared experts, None means dense model.
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+ n_routed_experts (`int`, *optional*, defaults to None):
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+ Number of routed experts, None means dense model.
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+ routed_scaling_factor (`float`, *optional*, defaults to 1.0):
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+ Scaling factor or routed experts.
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+ topk_method (`str`, *optional*, defaults to `gready`):
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+ Topk method used in routed gate.
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+ n_group (`int`, *optional*, defaults to None):
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+ Number of groups for routed experts.
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+ topk_group (`int`, *optional*, defaults to None):
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+ Number of selected groups for each token(for each token, ensuring the selected experts is only within `topk_group` groups).
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+ num_experts_per_tok (`int`, *optional*, defaults to None):
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+ Number of selected experts, None means dense model.
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+ moe_layer_freq (`int`, *optional*, defaults to 1):
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+ The frequency of the MoE layer: one expert layer for every `moe_layer_freq - 1` dense layers.
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+ first_k_dense_replace (`int`, *optional*, defaults to 0):
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+ Number of dense layers in shallow layers(embed->dense->dense->...->dense->moe->moe...->lm_head).
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+ \--k dense layers--/
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+ norm_topk_prob (`bool`, *optional*, defaults to False):
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+ Whether to normalize the weights of the routed experts.
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+ scoring_func (`str`, *optional*, defaults to 'softmax'):
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+ Method of computing expert weights.
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+ aux_loss_alpha (`float`, *optional*, defaults to 0.001):
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+ Auxiliary loss weight coefficient.
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+ seq_aux = (`bool`, *optional*, defaults to True):
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+ Whether to compute the auxiliary loss for each individual sample.
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+ num_key_value_heads (`int`, *optional*):
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+ This is the number of key_value heads that should be used to implement Grouped Query Attention. If
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+ `num_key_value_heads=num_attention_heads`, the model will use Multi Head Attention (MHA), if
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+ `num_key_value_heads=1 the model will use Multi Query Attention (MQA) otherwise GQA is used. When
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+ converting a multi-head checkpoint to a GQA checkpoint, each group key and value head should be constructed
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+ by meanpooling all the original heads within that group. For more details checkout [this
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+ paper](https://arxiv.org/pdf/2305.13245.pdf). If it is not specified, will default to
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+ `num_attention_heads`.
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+ hidden_act (`str` or `function`, *optional*, defaults to `"silu"`):
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+ The non-linear activation function (function or string) in the decoder.
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+ max_position_embeddings (`int`, *optional*, defaults to 2048):
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+ The maximum sequence length that this model might ever be used with.
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+ initializer_range (`float`, *optional*, defaults to 0.02):
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+ The standard deviation of the truncated_normal_initializer for initializing all weight matrices.
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+ rms_norm_eps (`float`, *optional*, defaults to 1e-06):
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+ The epsilon used by the rms normalization layers.
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+ use_cache (`bool`, *optional*, defaults to `True`):
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+ Whether or not the model should return the last key/values attentions (not used by all models). Only
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+ relevant if `config.is_decoder=True`.
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+ pad_token_id (`int`, *optional*):
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+ Padding token id.
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+ bos_token_id (`int`, *optional*, defaults to 1):
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+ Beginning of stream token id.
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+ eos_token_id (`int`, *optional*, defaults to 2):
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+ End of stream token id.
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+ pretraining_tp (`int`, *optional*, defaults to 1):
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+ Experimental feature. Tensor parallelism rank used during pretraining. Please refer to [this
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+ document](https://huggingface.co/docs/transformers/parallelism) to understand more about it. This value is
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+ necessary to ensure exact reproducibility of the pretraining results. Please refer to [this
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+ issue](https://github.com/pytorch/pytorch/issues/76232).
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+ tie_word_embeddings (`bool`, *optional*, defaults to `False`):
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+ Whether to tie weight embeddings
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+ rope_theta (`float`, *optional*, defaults to 10000.0):
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+ The base period of the RoPE embeddings.
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+ rope_scaling (`Dict`, *optional*):
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+ Dictionary containing the scaling configuration for the RoPE embeddings. Currently supports two scaling
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+ strategies: linear and dynamic. Their scaling factor must be a float greater than 1. The expected format is
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+ `{"type": strategy name, "factor": scaling factor}`. When using this flag, don't update
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+ `max_position_embeddings` to the expected new maximum.
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+ attention_bias (`bool`, defaults to `False`, *optional*, defaults to `False`):
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+ Whether to use a bias in the query, key, value and output projection layers during self-attention.
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+ attention_dropout (`float`, *optional*, defaults to 0.0):
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+ The dropout ratio for the attention probabilities.
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+
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+ ```python
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+ >>> from transformers import DeepseekV2Model, DeepseekV2Config
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+
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+ >>> # Initializing a Deepseek-V2 style configuration
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+ >>> configuration = DeepseekV2Config()
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+
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+ >>> # Accessing the model configuration
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+ >>> configuration = model.config
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+ ```"""
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+
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+ model_type = "deepseek_v2"
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+ keys_to_ignore_at_inference = ["past_key_values"]
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+
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+ def __init__(
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+ self,
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+ vocab_size=102400,
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+ hidden_size=4096,
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+ intermediate_size=11008,
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+ moe_intermediate_size = 1407,
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+ num_hidden_layers=30,
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+ num_attention_heads=32,
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+ num_key_value_heads=32,
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+ n_shared_experts = None,
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+ n_routed_experts = None,
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+ ep_size = 1,
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+ routed_scaling_factor = 1.0,
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+ kv_lora_rank = 512,
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+ q_lora_rank = 1536,
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+ qk_rope_head_dim = 64,
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+ v_head_dim = 128,
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+ qk_nope_head_dim = 128,
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+ topk_method = 'gready',
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+ n_group = None,
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+ topk_group = None,
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+ num_experts_per_tok = None,
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+ moe_layer_freq = 1,
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+ first_k_dense_replace = 0,
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+ norm_topk_prob = False,
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+ scoring_func = 'softmax',
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+ aux_loss_alpha = 0.001,
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+ seq_aux = True,
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+ hidden_act="silu",
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+ max_position_embeddings=2048,
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+ initializer_range=0.02,
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+ rms_norm_eps=1e-6,
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+ use_cache=True,
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+ pad_token_id=None,
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+ bos_token_id=100000,
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+ eos_token_id=100001,
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+ pretraining_tp=1,
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+ tie_word_embeddings=False,
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+ rope_theta=10000.0,
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+ rope_scaling=None,
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+ attention_bias=False,
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+ attention_dropout=0.0,
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+ **kwargs,
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+ ):
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+ self.vocab_size = vocab_size
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+ self.max_position_embeddings = max_position_embeddings
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+ self.hidden_size = hidden_size
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+ self.intermediate_size = intermediate_size
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+ self.moe_intermediate_size = moe_intermediate_size
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+ self.num_hidden_layers = num_hidden_layers
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+ self.num_attention_heads = num_attention_heads
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+ self.n_shared_experts = n_shared_experts
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+ self.n_routed_experts = n_routed_experts
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+ self.ep_size = ep_size
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+ self.routed_scaling_factor = routed_scaling_factor
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+ self.kv_lora_rank = kv_lora_rank
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+ self.q_lora_rank = q_lora_rank
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+ self.qk_rope_head_dim = qk_rope_head_dim
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+ self.v_head_dim = v_head_dim
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+ self.qk_nope_head_dim = qk_nope_head_dim
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+ self.topk_method = topk_method
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+ self.n_group = n_group
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+ self.topk_group = topk_group
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+ self.num_experts_per_tok = num_experts_per_tok
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+ self.moe_layer_freq = moe_layer_freq
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+ self.first_k_dense_replace = first_k_dense_replace
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+ self.norm_topk_prob = norm_topk_prob
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+ self.scoring_func = scoring_func
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+ self.aux_loss_alpha = aux_loss_alpha
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+ self.seq_aux = seq_aux
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+ # for backward compatibility
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+ if num_key_value_heads is None:
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+ num_key_value_heads = num_attention_heads
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+
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+ self.num_key_value_heads = num_key_value_heads
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+ self.hidden_act = hidden_act
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+ self.initializer_range = initializer_range
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+ self.rms_norm_eps = rms_norm_eps
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+ self.pretraining_tp = pretraining_tp
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+ self.use_cache = use_cache
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+ self.rope_theta = rope_theta
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+ self.rope_scaling = rope_scaling
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+ self.attention_bias = attention_bias
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+ self.attention_dropout = attention_dropout
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+
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+ super().__init__(
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+ pad_token_id=pad_token_id,
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+ bos_token_id=bos_token_id,
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+ eos_token_id=eos_token_id,
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+ tie_word_embeddings=tie_word_embeddings,
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+ **kwargs,
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+ )