File size: 6,337 Bytes
74da6da
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
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
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
from transformers.configuration_utils import PretrainedConfig
from transformers.models.qwen2_5_vl.configuration_qwen2_5_vl import Qwen2_5_VLVisionConfig
from transformers.models.whisper.configuration_whisper import WhisperConfig

from .configuration_longcat_ngram import LongcatFlashNgramConfig

class LongcatNextConfig(LongcatFlashNgramConfig):
    model_type = "longcat_next"
    def __init__(
        self,
        vocab_size=131072,
        hidden_size=6144,
        num_hidden_layers=56,
        num_layers=28,
        num_attention_heads=64,
        num_key_value_heads=None,
        hidden_act="silu",
        max_position_embeddings=131072,
        initializer_range=0.02,
        rms_norm_eps=1e-5,
        use_cache=True,
        pad_token_id=None,
        bos_token_id=1,
        eos_token_id=2,
        tie_word_embeddings=False,
        rope_theta=10000000.0,
        rope_scaling=None,
        attention_bias=False,
        attention_dropout=0.0,
        ffn_hidden_size=12288,
        q_lora_rank=1536,
        kv_lora_rank=512,
        qk_nope_head_dim=128,
        qk_rope_head_dim=64,
        head_dim=64,
        v_head_dim=128,
        qk_head_dim=None,
        moe_topk=12,
        n_routed_experts=512,
        zero_expert_num=256,
        expert_ffn_hidden_size=2048,
        routed_scaling_factor=6.0,
        emb_neighbor_num=None,
        emb_split_num=None,
        ngram_vocab_size_ratio=None,
        oe_ignored_token_ids=[],
        text_vocab_size=131072, # text vocab size (vocab_size = text_vocab_size + audio_token + visual_token + multimodal_special_token_list)
        text_vocab_plus_multimodal_special_token_size=131125,
        visual_embedding_layer_intermediate_size=8192,
        visual_embedding_layer_hidden_act="silu",
        visual_offset=150581,
        audio_offset=131125,
        visual_config={},
        audio_config={},
        **kwargs,
    ):
        self.text_vocab_size = text_vocab_size
        self.text_vocab_plus_multimodal_special_token_size = text_vocab_plus_multimodal_special_token_size
        self.visual_embedding_layer_intermediate_size = visual_embedding_layer_intermediate_size
        self.visual_embedding_layer_hidden_act = visual_embedding_layer_hidden_act
        self.visual_offset = visual_offset
        self.audio_offset = audio_offset
        self.visual_config = LongcatNextVisualConfig(**visual_config)
        self.audio_config = LongcatNextAudioConfig(**audio_config)
        oe_ignored_token_ids = oe_ignored_token_ids or list(range(self.text_vocab_size, self.text_vocab_plus_multimodal_special_token_size))

        super().__init__(
            vocab_size=vocab_size,
            hidden_size=hidden_size,
            num_hidden_layers=num_hidden_layers,
            num_layers=num_layers,
            num_attention_heads=num_attention_heads,
            num_key_value_heads=num_key_value_heads,
            hidden_act=hidden_act,
            max_position_embeddings=max_position_embeddings,
            initializer_range=initializer_range,
            rms_norm_eps=rms_norm_eps,
            use_cache=use_cache,
            pad_token_id=pad_token_id,
            bos_token_id=bos_token_id,
            eos_token_id=eos_token_id,
            tie_word_embeddings=tie_word_embeddings,
            rope_theta=rope_theta,
            rope_scaling=rope_scaling,
            attention_bias=attention_bias,
            attention_dropout=attention_dropout,
            ffn_hidden_size=ffn_hidden_size,
            q_lora_rank=q_lora_rank,
            kv_lora_rank=kv_lora_rank,
            qk_nope_head_dim=qk_nope_head_dim,
            qk_rope_head_dim=qk_rope_head_dim,
            head_dim=head_dim,
            v_head_dim=v_head_dim,
            qk_head_dim=qk_head_dim,
            moe_topk=moe_topk,
            n_routed_experts=n_routed_experts,
            zero_expert_num=zero_expert_num,
            expert_ffn_hidden_size=expert_ffn_hidden_size,
            routed_scaling_factor=routed_scaling_factor,
            emb_neighbor_num=emb_neighbor_num,
            emb_split_num=emb_split_num,
            ngram_vocab_size_ratio=ngram_vocab_size_ratio,
            oe_ignored_token_ids=oe_ignored_token_ids,
            **kwargs,
        )

class LongcatNextVisualConfig(Qwen2_5_VLVisionConfig):
    model_type = "longcat_next_visual"
    base_config_key = ""

    def __init__(
        self,
        image_start_token_id=131106,
        image_end_token_id=131107,
        image_pad_token_id=131108,
        image_newline_token_id=131109,
        vq_config={},
        visual_decoder_config={},
        **kwargs,
    ):
        self.image_start_token_id = image_start_token_id
        self.image_end_token_id = image_end_token_id
        self.image_pad_token_id = image_pad_token_id
        self.image_newline_token_id = image_newline_token_id
        self.vq_config = PretrainedConfig(**vq_config)
        self.visual_decoder_config = PretrainedConfig(**visual_decoder_config)
        self.visual_decoder_config.image_decoder_config = PretrainedConfig(**getattr(self.visual_decoder_config, "image_decoder_config", {}))
        self.visual_decoder_config.transformer_config = PretrainedConfig(**getattr(self.visual_decoder_config, "transformer_config", {}))
        self.visual_decoder_config.vae_config = PretrainedConfig(**getattr(self.visual_decoder_config, "vae_config", {}))
        self.visual_decoder_config.scheduler_config = PretrainedConfig(**getattr(self.visual_decoder_config, "scheduler_config", {}))
        super().__init__(**kwargs)

class LongcatNextAudioConfig(WhisperConfig):
    model_type = "longcat_next_audio"
    base_config_key = ""

    def __init__(
        self,
        vq_config={},
        vocoder_config={},
        flow_matching_config={},
        cosy24kvocoder_config={},
        **kwargs
    ):
        self.vq_config = PretrainedConfig(**vq_config)
        self.vocoder_config = PretrainedConfig(**vocoder_config)
        self.flow_matching_config = PretrainedConfig(**flow_matching_config)
        self.flow_matching_config.cfm_params = PretrainedConfig(**getattr(self.flow_matching_config, "cfm_params", {}))
        self.cosy24kvocoder_config = PretrainedConfig(**cosy24kvocoder_config)
        super().__init__(**kwargs)


__all__ = ["LongcatNextConfig", "LongcatNextVisualConfig", "LongcatNextAudioConfig"]