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31a2295 983f690 31a2295 983f690 31a2295 983f690 31a2295 983f690 31a2295 983f690 31a2295 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 | rom transformers.configuration_utils import PretrainedConfig
from transformers.utils import logging
from transformers import SiglipVisionConfig
logger = logging.get_logger(__name__)
class PhiConfig(PretrainedConfig):
model_type = "phi"
keys_to_ignore_at_inference = ["past_key_values"]
def __init__(
self,
vocab_size=51200,
hidden_size=2048,
intermediate_size=8192,
num_hidden_layers=24,
num_attention_heads=32,
num_key_value_heads=None,
resid_pdrop=0.0,
embd_pdrop=0.0,
attention_dropout=0.0,
hidden_act="gelu_new",
max_position_embeddings=2048,
initializer_range=0.02,
layer_norm_eps=1e-5,
use_cache=True,
tie_word_embeddings=False,
rope_theta=10000.0,
rope_scaling=None,
partial_rotary_factor=0.5,
qk_layernorm=False,
bos_token_id=1,
eos_token_id=2,
**kwargs,
):
self.vocab_size = vocab_size
self.hidden_size = hidden_size
self.intermediate_size = intermediate_size
self.num_hidden_layers = num_hidden_layers
self.num_attention_heads = num_attention_heads
if num_key_value_heads is None:
num_key_value_heads = num_attention_heads
self.num_key_value_heads = num_key_value_heads
self.resid_pdrop = resid_pdrop
self.embd_pdrop = embd_pdrop
self.attention_dropout = attention_dropout
self.hidden_act = hidden_act
self.max_position_embeddings = max_position_embeddings
self.initializer_range = initializer_range
self.layer_norm_eps = layer_norm_eps
self.use_cache = use_cache
self.rope_theta = rope_theta
self.rope_scaling = rope_scaling
self.partial_rotary_factor = partial_rotary_factor
self.qk_layernorm = qk_layernorm
self._rope_scaling_validation()
super().__init__(
bos_token_id=bos_token_id,
eos_token_id=eos_token_id,
tie_word_embeddings=tie_word_embeddings,
**kwargs,
)
def _rope_scaling_validation(self):
"""
Validate the `rope_scaling` configuration.
"""
if self.rope_scaling is None:
return
if not isinstance(self.rope_scaling, dict) or len(self.rope_scaling) != 2:
raise ValueError(
"`rope_scaling` must be a dictionary with with two fields, `type` and `factor`, "
f"got {self.rope_scaling}"
)
rope_scaling_type = self.rope_scaling.get("type", None)
rope_scaling_factor = self.rope_scaling.get("factor", None)
if rope_scaling_type is None or rope_scaling_type not in ["linear", "dynamic"]:
raise ValueError(
f"`rope_scaling`'s type field must be one of ['linear', 'dynamic'], got {rope_scaling_type}"
)
if (
rope_scaling_factor is None
or not isinstance(rope_scaling_factor, float)
or rope_scaling_factor <= 1.0
):
raise ValueError(
f"`rope_scaling`'s factor field must be a float > 1, got {rope_scaling_factor}"
)
class LlavaConfig(PretrainedConfig):
model_type = "HelpingAI-V"
is_composition = False
def __init__(
self,
text_config=None,
vision_config=None,
ignore_index=-100,
image_token_index=50297,
projector_hidden_act="gelu",
projector_tokens_num=1,
vocab_size=51200,
**kwargs,
):
self.ignore_index = ignore_index
self.image_token_index = image_token_index
self.projector_hidden_act = projector_hidden_act
self.projector_tokens_num = projector_tokens_num
self.vocab_size = vocab_size
self.text_config = text_config
if isinstance(self.text_config, dict):
text_config["model_type"] = (
text_config["model_type"] if "model_type" in text_config else "phi"
)
self.text_config = PhiConfig(**text_config)
self.vocab_size = self.text_config.vocab_size
self.vision_config = vision_config
if isinstance(self.vision_config, dict):
self.vision_config = SiglipVisionConfig(**vision_config)
self.vision_embed_dim = self.vision_config.hidden_size
super().__init__(**kwargs)
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