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from transformers.utils import logging
from transformers.configuration_utils import PretrainedConfig
logger = logging.get_logger(__name__)
INTERNLM_PRETRAINED_CONFIG_ARCHIVE_MAP = {}
class BufferEmbeddingConfig(PretrainedConfig):
model_type = "buffer_embedding"
_auto_class = "AutoConfig"
keys_to_ignore_at_inference = ["past_key_values"]
attribute_map = {
"num_hidden_layers": "n_layer",
"num_attention_heads": "n_head",
}
def __init__(
self,
vocab_size=250880,
hidden_size=64,
n_layer=2,
n_head=8,
layer_norm_epsilon=1e-5,
initializer_range=0.02,
use_cache=True,
bos_token_id=1,
eos_token_id=2,
apply_residual_connection_post_layernorm=False,
hidden_dropout=0.0,
attention_dropout=0.0,
pretraining_tp=1, # TP rank used when training with megatron
slow_but_exact=False,
**kwargs,
):
self.vocab_size = vocab_size
# Backward compatibility with n_embed kwarg
n_embed = kwargs.pop("n_embed", None)
self.hidden_size = hidden_size if n_embed is None else n_embed
self.n_layer = n_layer
self.n_head = n_head
self.layer_norm_epsilon = layer_norm_epsilon
self.initializer_range = initializer_range
self.use_cache = use_cache
self.pretraining_tp = pretraining_tp
self.apply_residual_connection_post_layernorm = apply_residual_connection_post_layernorm
self.hidden_dropout = hidden_dropout
self.attention_dropout = attention_dropout
self.bos_token_id = bos_token_id
self.eos_token_id = eos_token_id
self.slow_but_exact = slow_but_exact
super().__init__(bos_token_id=bos_token_id, eos_token_id=eos_token_id, **kwargs)
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