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vllm/model_executor/models/registry.py
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vllm/model_executor/models/registry.py
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# SPDX-License-Identifier: Apache-2.0
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# SPDX-FileCopyrightText: Copyright contributors to the vLLM project
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"""
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Whenever you add an architecture to this page, please also update
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`tests/models/registry.py` with example HuggingFace models for it.
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"""
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import hashlib
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import importlib
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import json
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import os
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import pickle
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import subprocess
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import sys
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import tempfile
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from abc import ABC, abstractmethod
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from collections.abc import Set
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from dataclasses import asdict, dataclass, field
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from functools import lru_cache
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from pathlib import Path
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from typing import Callable, Optional, TypeVar, Union
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import torch.nn as nn
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import transformers
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from vllm import envs
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from vllm.config import (ModelConfig, iter_architecture_defaults,
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try_match_architecture_defaults)
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from vllm.logger import init_logger
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from vllm.logging_utils import logtime
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from vllm.transformers_utils.dynamic_module import (
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try_get_class_from_dynamic_module)
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from .interfaces import (has_inner_state, has_noops, is_attention_free,
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is_hybrid, supports_cross_encoding,
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supports_multimodal,
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supports_multimodal_encoder_tp_data,
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supports_multimodal_raw_input_only, supports_pp,
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supports_transcription, supports_v0_only)
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from .interfaces_base import (get_default_pooling_type, is_pooling_model,
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is_text_generation_model)
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logger = init_logger(__name__)
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# yapf: disable
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_TEXT_GENERATION_MODELS = {
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# [Decoder-only]
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"ApertusForCausalLM": ("apertus", "ApertusForCausalLM"),
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"AquilaModel": ("llama", "LlamaForCausalLM"),
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"AquilaForCausalLM": ("llama", "LlamaForCausalLM"), # AquilaChat2
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"ArceeForCausalLM": ("arcee", "ArceeForCausalLM"),
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"ArcticForCausalLM": ("arctic", "ArcticForCausalLM"),
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"MiniMaxForCausalLM": ("minimax_text_01", "MiniMaxText01ForCausalLM"),
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"MiniMaxText01ForCausalLM": ("minimax_text_01", "MiniMaxText01ForCausalLM"),
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"MiniMaxM1ForCausalLM": ("minimax_text_01", "MiniMaxText01ForCausalLM"),
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# baichuan-7b, upper case 'C' in the class name
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"BaiChuanForCausalLM": ("baichuan", "BaiChuanForCausalLM"),
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# baichuan-13b, lower case 'c' in the class name
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"BaichuanForCausalLM": ("baichuan", "BaichuanForCausalLM"),
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"BailingMoeForCausalLM": ("bailing_moe", "BailingMoeForCausalLM"),
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"BailingMoeV2ForCausalLM": ("bailing_moe", "BailingMoeV2ForCausalLM"),
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"BambaForCausalLM": ("bamba", "BambaForCausalLM"),
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"BloomForCausalLM": ("bloom", "BloomForCausalLM"),
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"ChatGLMModel": ("chatglm", "ChatGLMForCausalLM"),
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"ChatGLMForConditionalGeneration": ("chatglm", "ChatGLMForCausalLM"),
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"CohereForCausalLM": ("commandr", "CohereForCausalLM"),
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"Cohere2ForCausalLM": ("commandr", "CohereForCausalLM"),
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"CwmForCausalLM": ("llama", "LlamaForCausalLM"),
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"DbrxForCausalLM": ("dbrx", "DbrxForCausalLM"),
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"DeciLMForCausalLM": ("nemotron_nas", "DeciLMForCausalLM"),
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"DeepseekForCausalLM": ("deepseek", "DeepseekForCausalLM"),
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"DeepseekV2ForCausalLM": ("deepseek_v2", "DeepseekV2ForCausalLM"),
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"DeepseekV3ForCausalLM": ("deepseek_v2", "DeepseekV3ForCausalLM"),
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"DeepseekV32ForCausalLM": ("deepseek_v2", "DeepseekV3ForCausalLM"),
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"Dots1ForCausalLM": ("dots1", "Dots1ForCausalLM"),
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"Ernie4_5ForCausalLM": ("ernie45", "Ernie4_5ForCausalLM"),
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"Ernie4_5_MoeForCausalLM": ("ernie45_moe", "Ernie4_5_MoeForCausalLM"),
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"ExaoneForCausalLM": ("exaone", "ExaoneForCausalLM"),
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"Exaone4ForCausalLM": ("exaone4", "Exaone4ForCausalLM"),
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"FalconForCausalLM": ("falcon", "FalconForCausalLM"),
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"Fairseq2LlamaForCausalLM": ("fairseq2_llama", "Fairseq2LlamaForCausalLM"),
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"GemmaForCausalLM": ("gemma", "GemmaForCausalLM"),
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"Gemma2ForCausalLM": ("gemma2", "Gemma2ForCausalLM"),
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"Gemma3ForCausalLM": ("gemma3", "Gemma3ForCausalLM"),
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"Gemma3nForCausalLM": ("gemma3n", "Gemma3nForCausalLM"),
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"Qwen3NextForCausalLM": ("qwen3_next", "Qwen3NextForCausalLM"),
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"GlmForCausalLM": ("glm", "GlmForCausalLM"),
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"Glm4ForCausalLM": ("glm4", "Glm4ForCausalLM"),
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"Glm4MoeForCausalLM": ("glm4_moe", "Glm4MoeForCausalLM"),
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"GptOssForCausalLM": ("gpt_oss", "GptOssForCausalLM"),
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"GPT2LMHeadModel": ("gpt2", "GPT2LMHeadModel"),
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"GPTBigCodeForCausalLM": ("gpt_bigcode", "GPTBigCodeForCausalLM"),
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"GPTJForCausalLM": ("gpt_j", "GPTJForCausalLM"),
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"GPTNeoXForCausalLM": ("gpt_neox", "GPTNeoXForCausalLM"),
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"GraniteForCausalLM": ("granite", "GraniteForCausalLM"),
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"GraniteMoeForCausalLM": ("granitemoe", "GraniteMoeForCausalLM"),
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"GraniteMoeHybridForCausalLM": ("granitemoehybrid", "GraniteMoeHybridForCausalLM"), # noqa: E501
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"GraniteMoeSharedForCausalLM": ("granitemoeshared", "GraniteMoeSharedForCausalLM"), # noqa: E501
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"GritLM": ("gritlm", "GritLM"),
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"Grok1ModelForCausalLM": ("grok1", "Grok1ForCausalLM"),
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"HunYuanMoEV1ForCausalLM": ("hunyuan_v1", "HunYuanMoEV1ForCausalLM"),
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"HunYuanDenseV1ForCausalLM": ("hunyuan_v1", "HunYuanDenseV1ForCausalLM"),
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"HCXVisionForCausalLM": ("hyperclovax_vision", "HCXVisionForCausalLM"),
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"InternLMForCausalLM": ("llama", "LlamaForCausalLM"),
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"InternLM2ForCausalLM": ("internlm2", "InternLM2ForCausalLM"),
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"InternLM2VEForCausalLM": ("internlm2_ve", "InternLM2VEForCausalLM"),
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"InternLM3ForCausalLM": ("llama", "LlamaForCausalLM"),
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"JAISLMHeadModel": ("jais", "JAISLMHeadModel"),
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"JambaForCausalLM": ("jamba", "JambaForCausalLM"),
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"Lfm2ForCausalLM": ("lfm2", "Lfm2ForCausalLM"),
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"LlamaForCausalLM": ("llama", "LlamaForCausalLM"),
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"Llama4ForCausalLM": ("llama4", "Llama4ForCausalLM"), # noqa: E501
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# For decapoda-research/llama-*
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"LLaMAForCausalLM": ("llama", "LlamaForCausalLM"),
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"LongcatFlashForCausalLM": ("longcat_flash", "LongcatFlashForCausalLM"),
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"MambaForCausalLM": ("mamba", "MambaForCausalLM"),
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"FalconMambaForCausalLM": ("mamba", "MambaForCausalLM"),
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"FalconH1ForCausalLM":("falcon_h1", "FalconH1ForCausalLM"),
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"Mamba2ForCausalLM": ("mamba2", "Mamba2ForCausalLM"),
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"MiniCPMForCausalLM": ("minicpm", "MiniCPMForCausalLM"),
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"MiniCPM3ForCausalLM": ("minicpm3", "MiniCPM3ForCausalLM"),
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"MistralForCausalLM": ("llama", "LlamaForCausalLM"),
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"MixtralForCausalLM": ("mixtral", "MixtralForCausalLM"),
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"MotifForCausalLM": ("motif", "MotifForCausalLM"),
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# transformers's mpt class has lower case
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"MptForCausalLM": ("mpt", "MPTForCausalLM"),
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"MPTForCausalLM": ("mpt", "MPTForCausalLM"),
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"MiMoForCausalLM": ("mimo", "MiMoForCausalLM"),
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"NemotronForCausalLM": ("nemotron", "NemotronForCausalLM"),
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"NemotronHForCausalLM": ("nemotron_h", "NemotronHForCausalLM"),
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"OlmoForCausalLM": ("olmo", "OlmoForCausalLM"),
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"Olmo2ForCausalLM": ("olmo2", "Olmo2ForCausalLM"),
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"Olmo3ForCausalLM": ("olmo2", "Olmo2ForCausalLM"),
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"OlmoeForCausalLM": ("olmoe", "OlmoeForCausalLM"),
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"OPTForCausalLM": ("opt", "OPTForCausalLM"),
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"OrionForCausalLM": ("orion", "OrionForCausalLM"),
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"PersimmonForCausalLM": ("persimmon", "PersimmonForCausalLM"),
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"PhiForCausalLM": ("phi", "PhiForCausalLM"),
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"Phi3ForCausalLM": ("phi3", "Phi3ForCausalLM"),
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"PhiMoEForCausalLM": ("phimoe", "PhiMoEForCausalLM"),
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"Plamo2ForCausalLM": ("plamo2", "Plamo2ForCausalLM"),
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"QWenLMHeadModel": ("qwen", "QWenLMHeadModel"),
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"Qwen2ForCausalLM": ("qwen2", "Qwen2ForCausalLM"),
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"Qwen2MoeForCausalLM": ("qwen2_moe", "Qwen2MoeForCausalLM"),
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"Qwen3ForCausalLM": ("qwen3", "Qwen3ForCausalLM"),
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"Qwen3MoeForCausalLM": ("qwen3_moe", "Qwen3MoeForCausalLM"),
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"RWForCausalLM": ("falcon", "FalconForCausalLM"),
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"SeedOssForCausalLM": ("seed_oss", "SeedOssForCausalLM"),
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"Step3TextForCausalLM": ("step3_text", "Step3TextForCausalLM"),
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"StableLMEpochForCausalLM": ("stablelm", "StablelmForCausalLM"),
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"StableLmForCausalLM": ("stablelm", "StablelmForCausalLM"),
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"Starcoder2ForCausalLM": ("starcoder2", "Starcoder2ForCausalLM"),
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"SolarForCausalLM": ("solar", "SolarForCausalLM"),
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"TeleChat2ForCausalLM": ("telechat2", "TeleChat2ForCausalLM"),
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"TeleFLMForCausalLM": ("teleflm", "TeleFLMForCausalLM"),
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"XverseForCausalLM": ("llama", "LlamaForCausalLM"),
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"Zamba2ForCausalLM": ("zamba2", "Zamba2ForCausalLM"),
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}
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_EMBEDDING_MODELS = {
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# [Text-only]
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"BertModel": ("bert", "BertEmbeddingModel"),
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"DeciLMForCausalLM": ("nemotron_nas", "DeciLMForCausalLM"),
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"Gemma2Model": ("gemma2", "Gemma2ForCausalLM"),
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"Gemma3TextModel": ("gemma3", "Gemma3Model"),
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"GlmForCausalLM": ("glm", "GlmForCausalLM"),
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"GPT2ForSequenceClassification": ("gpt2", "GPT2ForSequenceClassification"),
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"GritLM": ("gritlm", "GritLM"),
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"GteModel": ("bert_with_rope", "SnowflakeGteNewModel"),
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"GteNewModel": ("bert_with_rope", "GteNewModel"),
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"InternLM2ForRewardModel": ("internlm2", "InternLM2ForRewardModel"),
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"JambaForSequenceClassification": ("jamba", "JambaForSequenceClassification"), # noqa: E501
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"LlamaModel": ("llama", "LlamaForCausalLM"),
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**{
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# Multiple models share the same architecture, so we include them all
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k: (mod, arch) for k, (mod, arch) in _TEXT_GENERATION_MODELS.items()
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if arch == "LlamaForCausalLM"
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},
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"MistralModel": ("llama", "LlamaForCausalLM"),
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"ModernBertModel": ("modernbert", "ModernBertModel"),
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"NomicBertModel": ("bert_with_rope", "NomicBertModel"),
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"Phi3ForCausalLM": ("phi3", "Phi3ForCausalLM"),
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"Qwen2Model": ("qwen2", "Qwen2ForCausalLM"),
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"Qwen2ForCausalLM": ("qwen2", "Qwen2ForCausalLM"),
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"Qwen2ForRewardModel": ("qwen2_rm", "Qwen2ForRewardModel"),
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"Qwen2ForProcessRewardModel": ("qwen2_rm", "Qwen2ForProcessRewardModel"),
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"RobertaForMaskedLM": ("roberta", "RobertaEmbeddingModel"),
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"RobertaModel": ("roberta", "RobertaEmbeddingModel"),
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"TeleChat2ForCausalLM": ("telechat2", "TeleChat2ForCausalLM"),
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"XLMRobertaModel": ("roberta", "RobertaEmbeddingModel"),
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# [Multimodal]
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"LlavaNextForConditionalGeneration": ("llava_next", "LlavaNextForConditionalGeneration"), # noqa: E501
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"Phi3VForCausalLM": ("phi3v", "Phi3VForCausalLM"),
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"Qwen2VLForConditionalGeneration": ("qwen2_vl", "Qwen2VLForConditionalGeneration"), # noqa: E501
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# Technically Terratorch models work on images, both in
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# input and output. I am adding it here because it piggy-backs on embedding
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# models for the time being.
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"PrithviGeoSpatialMAE": ("terratorch", "Terratorch"),
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"Terratorch": ("terratorch", "Terratorch"),
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}
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_CROSS_ENCODER_MODELS = {
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"BertForSequenceClassification": ("bert", "BertForSequenceClassification"),
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"BertForTokenClassification": ("bert", "BertForTokenClassification"),
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"GteNewForSequenceClassification": ("bert_with_rope",
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"GteNewForSequenceClassification"),
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"ModernBertForSequenceClassification": ("modernbert",
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"ModernBertForSequenceClassification"),
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"RobertaForSequenceClassification": ("roberta",
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"RobertaForSequenceClassification"),
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"XLMRobertaForSequenceClassification": ("roberta",
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"RobertaForSequenceClassification"),
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# [Auto-converted (see adapters.py)]
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"JinaVLForRanking": ("jina_vl", "JinaVLForSequenceClassification"), # noqa: E501,
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}
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_MULTIMODAL_MODELS = {
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# [Decoder-only]
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"AriaForConditionalGeneration": ("aria", "AriaForConditionalGeneration"),
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"AyaVisionForConditionalGeneration": ("aya_vision", "AyaVisionForConditionalGeneration"), # noqa: E501
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"Blip2ForConditionalGeneration": ("blip2", "Blip2ForConditionalGeneration"),
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"ChameleonForConditionalGeneration": ("chameleon", "ChameleonForConditionalGeneration"), # noqa: E501
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"Cohere2VisionForConditionalGeneration": ("cohere2_vision", "Cohere2VisionForConditionalGeneration"), # noqa: E501
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"DeepseekVLV2ForCausalLM": ("deepseek_vl2", "DeepseekVLV2ForCausalLM"),
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"DotsOCRForCausalLM": ("dots_ocr", "DotsOCRForCausalLM"),
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"Ernie4_5_VLMoeForConditionalGeneration": ("ernie45_vl", "Ernie4_5_VLMoeForConditionalGeneration"), # noqa: E501
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"FuyuForCausalLM": ("fuyu", "FuyuForCausalLM"),
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"Gemma3ForConditionalGeneration": ("gemma3_mm", "Gemma3ForConditionalGeneration"), # noqa: E501
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"Gemma3nForConditionalGeneration": ("gemma3n_mm", "Gemma3nForConditionalGeneration"), # noqa: E501
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"GLM4VForCausalLM": ("glm4v", "GLM4VForCausalLM"),
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"Glm4vForConditionalGeneration": ("glm4_1v", "Glm4vForConditionalGeneration"), # noqa: E501
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"Glm4vMoeForConditionalGeneration": ("glm4_1v", "Glm4vMoeForConditionalGeneration"), # noqa: E501
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"GraniteSpeechForConditionalGeneration": ("granite_speech", "GraniteSpeechForConditionalGeneration"), # noqa: E501
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"H2OVLChatModel": ("h2ovl", "H2OVLChatModel"),
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"InternVLChatModel": ("internvl", "InternVLChatModel"),
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"NemotronH_Nano_VL_V2": ("nano_nemotron_vl", "NemotronH_Nano_VL_V2"),
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"InternS1ForConditionalGeneration": ("interns1", "InternS1ForConditionalGeneration"), # noqa: E501
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"InternVLForConditionalGeneration": ("interns1", "InternS1ForConditionalGeneration"), # noqa: E501
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"Idefics3ForConditionalGeneration":("idefics3","Idefics3ForConditionalGeneration"),
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"SmolVLMForConditionalGeneration": ("smolvlm","SmolVLMForConditionalGeneration"), # noqa: E501
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"KeyeForConditionalGeneration": ("keye", "KeyeForConditionalGeneration"),
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"KeyeVL1_5ForConditionalGeneration": ("keye_vl1_5", "KeyeVL1_5ForConditionalGeneration"), # noqa: E501
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"RForConditionalGeneration": ("rvl", "RForConditionalGeneration"),
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"KimiVLForConditionalGeneration": ("kimi_vl", "KimiVLForConditionalGeneration"), # noqa: E501
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"Llama_Nemotron_Nano_VL": ("nemotron_vl", "LlamaNemotronVLChatModel"),
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"Llama4ForConditionalGeneration": ("mllama4", "Llama4ForConditionalGeneration"), # noqa: E501
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"LlavaForConditionalGeneration": ("llava", "LlavaForConditionalGeneration"),
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"LlavaNextForConditionalGeneration": ("llava_next", "LlavaNextForConditionalGeneration"), # noqa: E501
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"LlavaNextVideoForConditionalGeneration": ("llava_next_video", "LlavaNextVideoForConditionalGeneration"), # noqa: E501
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"LlavaOnevisionForConditionalGeneration": ("llava_onevision", "LlavaOnevisionForConditionalGeneration"), # noqa: E501
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"MantisForConditionalGeneration": ("llava", "MantisForConditionalGeneration"), # noqa: E501
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"MiDashengLMModel": ("midashenglm", "MiDashengLMModel"),
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"MiniMaxVL01ForConditionalGeneration": ("minimax_vl_01", "MiniMaxVL01ForConditionalGeneration"), # noqa: E501
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"MiniCPMO": ("minicpmo", "MiniCPMO"),
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"MiniCPMV": ("minicpmv", "MiniCPMV"),
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"Mistral3ForConditionalGeneration": ("mistral3", "Mistral3ForConditionalGeneration"), # noqa: E501
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"MolmoForCausalLM": ("molmo", "MolmoForCausalLM"),
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"NVLM_D": ("nvlm_d", "NVLM_D_Model"),
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"Ovis": ("ovis", "Ovis"),
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"Ovis2_5": ("ovis2_5", "Ovis2_5"),
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"PaliGemmaForConditionalGeneration": ("paligemma", "PaliGemmaForConditionalGeneration"), # noqa: E501
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"Phi3VForCausalLM": ("phi3v", "Phi3VForCausalLM"),
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"Phi4MMForCausalLM": ("phi4mm", "Phi4MMForCausalLM"),
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"Phi4MultimodalForCausalLM": ("phi4_multimodal", "Phi4MultimodalForCausalLM"), # noqa: E501
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"PixtralForConditionalGeneration": ("pixtral", "PixtralForConditionalGeneration"), # noqa: E501
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||||
"QwenVLForConditionalGeneration": ("qwen_vl", "QwenVLForConditionalGeneration"), # noqa: E501
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||||
"Qwen2VLForConditionalGeneration": ("qwen2_vl", "Qwen2VLForConditionalGeneration"), # noqa: E501
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"Qwen2_5_VLForConditionalGeneration": ("qwen2_5_vl", "Qwen2_5_VLForConditionalGeneration"), # noqa: E501
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||||
"Qwen2AudioForConditionalGeneration": ("qwen2_audio", "Qwen2AudioForConditionalGeneration"), # noqa: E501
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||||
"Qwen2_5OmniModel": ("qwen2_5_omni_thinker", "Qwen2_5OmniThinkerForConditionalGeneration"), # noqa: E501
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||||
"Qwen2_5OmniForConditionalGeneration": ("qwen2_5_omni_thinker", "Qwen2_5OmniThinkerForConditionalGeneration"), # noqa: E501
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||||
"Qwen3VLForConditionalGeneration": ("qwen3_vl", "Qwen3VLForConditionalGeneration"), # noqa: E501
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||||
"Qwen3VLMoeForConditionalGeneration": ("qwen3_vl_moe", "Qwen3VLMoeForConditionalGeneration"), # noqa: E501
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||||
"SkyworkR1VChatModel": ("skyworkr1v", "SkyworkR1VChatModel"),
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||||
"Step3VLForConditionalGeneration": ("step3_vl", "Step3VLForConditionalGeneration"), # noqa: E501
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||||
"TarsierForConditionalGeneration": ("tarsier", "TarsierForConditionalGeneration"), # noqa: E501
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||||
"Tarsier2ForConditionalGeneration": ("qwen2_vl", "Tarsier2ForConditionalGeneration"), # noqa: E501
|
||||
"UltravoxModel": ("ultravox", "UltravoxModel"),
|
||||
"VoxtralForConditionalGeneration": ("voxtral", "VoxtralForConditionalGeneration"), # noqa: E501
|
||||
# [Encoder-decoder]
|
||||
"WhisperForConditionalGeneration": ("whisper", "WhisperForConditionalGeneration"), # noqa: E501
|
||||
}
|
||||
|
||||
_SPECULATIVE_DECODING_MODELS = {
|
||||
"MiMoMTPModel": ("mimo_mtp", "MiMoMTP"),
|
||||
"EagleLlamaForCausalLM": ("llama_eagle", "EagleLlamaForCausalLM"),
|
||||
"EagleLlama4ForCausalLM": ("llama4_eagle", "EagleLlama4ForCausalLM"),
|
||||
"EagleMiniCPMForCausalLM": ("minicpm_eagle", "EagleMiniCPMForCausalLM"),
|
||||
"Eagle3LlamaForCausalLM": ("llama_eagle3", "Eagle3LlamaForCausalLM"),
|
||||
"LlamaForCausalLMEagle3": ("llama_eagle3", "Eagle3LlamaForCausalLM"),
|
||||
"EagleDeepSeekMTPModel": ("deepseek_eagle", "EagleDeepseekV3ForCausalLM"),
|
||||
"DeepSeekMTPModel": ("deepseek_mtp", "DeepSeekMTP"),
|
||||
"ErnieMTPModel": ("ernie_mtp", "ErnieMTP"),
|
||||
"LongCatFlashMTPModel": ("longcat_flash_mtp", "LongCatFlashMTP"),
|
||||
"Glm4MoeMTPModel": ("glm4_moe_mtp", "Glm4MoeMTP"),
|
||||
"MedusaModel": ("medusa", "Medusa"),
|
||||
"Qwen3NextMTP": ("qwen3_next_mtp", "Qwen3NextMTP"),
|
||||
# Temporarily disabled.
|
||||
# # TODO(woosuk): Re-enable this once the MLP Speculator is supported in V1.
|
||||
# "MLPSpeculatorPreTrainedModel": ("mlp_speculator", "MLPSpeculator"),
|
||||
}
|
||||
|
||||
_TRANSFORMERS_SUPPORTED_MODELS = {
|
||||
# Text generation models
|
||||
"SmolLM3ForCausalLM": ("transformers", "TransformersForCausalLM"),
|
||||
# Multimodal models
|
||||
"Emu3ForConditionalGeneration": ("transformers", "TransformersForMultimodalLM"), # noqa: E501
|
||||
}
|
||||
|
||||
_TRANSFORMERS_BACKEND_MODELS = {
|
||||
"TransformersModel": ("transformers", "TransformersModel"),
|
||||
"TransformersForCausalLM": ("transformers", "TransformersForCausalLM"),
|
||||
"TransformersForMultimodalLM": ("transformers", "TransformersForMultimodalLM"), # noqa: E501
|
||||
}
|
||||
# yapf: enable
|
||||
|
||||
_VLLM_MODELS = {
|
||||
**_TEXT_GENERATION_MODELS,
|
||||
**_EMBEDDING_MODELS,
|
||||
**_CROSS_ENCODER_MODELS,
|
||||
**_MULTIMODAL_MODELS,
|
||||
**_SPECULATIVE_DECODING_MODELS,
|
||||
**_TRANSFORMERS_SUPPORTED_MODELS,
|
||||
**_TRANSFORMERS_BACKEND_MODELS,
|
||||
}
|
||||
|
||||
# This variable is used as the args for subprocess.run(). We
|
||||
# can modify this variable to alter the args if needed. e.g.
|
||||
# when we use par format to pack things together, sys.executable
|
||||
# might not be the target we want to run.
|
||||
_SUBPROCESS_COMMAND = [
|
||||
sys.executable, "-m", "vllm.model_executor.models.registry"
|
||||
]
|
||||
|
||||
_PREVIOUSLY_SUPPORTED_MODELS = {
|
||||
"Phi3SmallForCausalLM": "0.9.2",
|
||||
# encoder-decoder models except whisper
|
||||
# have been removed for V0 deprecation.
|
||||
"BartModel": "0.10.2",
|
||||
"BartForConditionalGeneration": "0.10.2",
|
||||
"DonutForConditionalGeneration": "0.10.2",
|
||||
"Florence2ForConditionalGeneration": "0.10.2",
|
||||
"MBartForConditionalGeneration": "0.10.2",
|
||||
"MllamaForConditionalGeneration": "0.10.2",
|
||||
}
|
||||
|
||||
|
||||
@dataclass(frozen=True)
|
||||
class _ModelInfo:
|
||||
architecture: str
|
||||
is_text_generation_model: bool
|
||||
is_pooling_model: bool
|
||||
default_pooling_type: str
|
||||
supports_cross_encoding: bool
|
||||
supports_multimodal: bool
|
||||
supports_multimodal_raw_input_only: bool
|
||||
supports_multimodal_encoder_tp_data: bool
|
||||
supports_pp: bool
|
||||
has_inner_state: bool
|
||||
is_attention_free: bool
|
||||
is_hybrid: bool
|
||||
has_noops: bool
|
||||
supports_transcription: bool
|
||||
supports_transcription_only: bool
|
||||
supports_v0_only: bool
|
||||
|
||||
@staticmethod
|
||||
def from_model_cls(model: type[nn.Module]) -> "_ModelInfo":
|
||||
return _ModelInfo(
|
||||
architecture=model.__name__,
|
||||
is_text_generation_model=is_text_generation_model(model),
|
||||
is_pooling_model=is_pooling_model(model),
|
||||
default_pooling_type=get_default_pooling_type(model),
|
||||
supports_cross_encoding=supports_cross_encoding(model),
|
||||
supports_multimodal=supports_multimodal(model),
|
||||
supports_multimodal_raw_input_only=
|
||||
supports_multimodal_raw_input_only(model),
|
||||
supports_multimodal_encoder_tp_data=
|
||||
supports_multimodal_encoder_tp_data(model),
|
||||
supports_pp=supports_pp(model),
|
||||
has_inner_state=has_inner_state(model),
|
||||
is_attention_free=is_attention_free(model),
|
||||
is_hybrid=is_hybrid(model),
|
||||
supports_transcription=supports_transcription(model),
|
||||
supports_transcription_only=(supports_transcription(model) and
|
||||
model.supports_transcription_only),
|
||||
supports_v0_only=supports_v0_only(model),
|
||||
has_noops=has_noops(model),
|
||||
)
|
||||
|
||||
|
||||
class _BaseRegisteredModel(ABC):
|
||||
|
||||
@abstractmethod
|
||||
def inspect_model_cls(self) -> _ModelInfo:
|
||||
raise NotImplementedError
|
||||
|
||||
@abstractmethod
|
||||
def load_model_cls(self) -> type[nn.Module]:
|
||||
raise NotImplementedError
|
||||
|
||||
|
||||
@dataclass(frozen=True)
|
||||
class _RegisteredModel(_BaseRegisteredModel):
|
||||
"""
|
||||
Represents a model that has already been imported in the main process.
|
||||
"""
|
||||
|
||||
interfaces: _ModelInfo
|
||||
model_cls: type[nn.Module]
|
||||
|
||||
@staticmethod
|
||||
def from_model_cls(model_cls: type[nn.Module]):
|
||||
return _RegisteredModel(
|
||||
interfaces=_ModelInfo.from_model_cls(model_cls),
|
||||
model_cls=model_cls,
|
||||
)
|
||||
|
||||
def inspect_model_cls(self) -> _ModelInfo:
|
||||
return self.interfaces
|
||||
|
||||
def load_model_cls(self) -> type[nn.Module]:
|
||||
return self.model_cls
|
||||
|
||||
|
||||
@dataclass(frozen=True)
|
||||
class _LazyRegisteredModel(_BaseRegisteredModel):
|
||||
"""
|
||||
Represents a model that has not been imported in the main process.
|
||||
"""
|
||||
module_name: str
|
||||
class_name: str
|
||||
|
||||
@staticmethod
|
||||
def _get_cache_dir() -> Path:
|
||||
return Path(envs.VLLM_CACHE_ROOT) / "modelinfos"
|
||||
|
||||
def _get_cache_filename(self) -> str:
|
||||
cls_name = f"{self.module_name}-{self.class_name}".replace(".", "-")
|
||||
return f"{cls_name}.json"
|
||||
|
||||
def _load_modelinfo_from_cache(self,
|
||||
module_hash: str) -> _ModelInfo | None:
|
||||
try:
|
||||
try:
|
||||
modelinfo_path = self._get_cache_dir(
|
||||
) / self._get_cache_filename()
|
||||
with open(modelinfo_path, encoding="utf-8") as file:
|
||||
mi_dict = json.load(file)
|
||||
except FileNotFoundError:
|
||||
logger.debug(("Cached model info file "
|
||||
"for class %s.%s not found"), self.module_name,
|
||||
self.class_name)
|
||||
return None
|
||||
|
||||
if mi_dict["hash"] != module_hash:
|
||||
logger.debug(("Cached model info file "
|
||||
"for class %s.%s is stale"), self.module_name,
|
||||
self.class_name)
|
||||
return None
|
||||
|
||||
# file not changed, use cached _ModelInfo properties
|
||||
return _ModelInfo(**mi_dict["modelinfo"])
|
||||
except Exception:
|
||||
logger.exception(("Cached model info "
|
||||
"for class %s.%s error. "), self.module_name,
|
||||
self.class_name)
|
||||
return None
|
||||
|
||||
def _save_modelinfo_to_cache(self, mi: _ModelInfo,
|
||||
module_hash: str) -> None:
|
||||
"""save dictionary json file to cache"""
|
||||
from vllm.model_executor.model_loader.weight_utils import atomic_writer
|
||||
try:
|
||||
modelinfo_dict = {
|
||||
"hash": module_hash,
|
||||
"modelinfo": asdict(mi),
|
||||
}
|
||||
cache_dir = self._get_cache_dir()
|
||||
cache_dir.mkdir(parents=True, exist_ok=True)
|
||||
modelinfo_path = cache_dir / self._get_cache_filename()
|
||||
with atomic_writer(modelinfo_path, encoding='utf-8') as f:
|
||||
json.dump(modelinfo_dict, f, indent=2)
|
||||
except Exception:
|
||||
logger.exception("Error saving model info cache.")
|
||||
|
||||
@logtime(logger=logger, msg="Registry inspect model class")
|
||||
def inspect_model_cls(self) -> _ModelInfo:
|
||||
model_path = Path(
|
||||
__file__).parent / f"{self.module_name.split('.')[-1]}.py"
|
||||
module_hash = None
|
||||
|
||||
if model_path.exists():
|
||||
with open(model_path, "rb") as f:
|
||||
module_hash = hashlib.md5(f.read()).hexdigest()
|
||||
|
||||
mi = self._load_modelinfo_from_cache(module_hash)
|
||||
if mi is not None:
|
||||
logger.debug(("Loaded model info "
|
||||
"for class %s.%s from cache"), self.module_name,
|
||||
self.class_name)
|
||||
return mi
|
||||
else:
|
||||
logger.debug(("Cache model info "
|
||||
"for class %s.%s miss. "
|
||||
"Loading model instead."), self.module_name,
|
||||
self.class_name)
|
||||
|
||||
# Performed in another process to avoid initializing CUDA
|
||||
mi = _run_in_subprocess(
|
||||
lambda: _ModelInfo.from_model_cls(self.load_model_cls()))
|
||||
logger.debug("Loaded model info for class %s.%s", self.module_name,
|
||||
self.class_name)
|
||||
|
||||
# save cache file
|
||||
if module_hash is not None:
|
||||
self._save_modelinfo_to_cache(mi, module_hash)
|
||||
|
||||
return mi
|
||||
|
||||
def load_model_cls(self) -> type[nn.Module]:
|
||||
mod = importlib.import_module(self.module_name)
|
||||
return getattr(mod, self.class_name)
|
||||
|
||||
|
||||
@lru_cache(maxsize=128)
|
||||
def _try_load_model_cls(
|
||||
model_arch: str,
|
||||
model: _BaseRegisteredModel,
|
||||
) -> Optional[type[nn.Module]]:
|
||||
from vllm.platforms import current_platform
|
||||
current_platform.verify_model_arch(model_arch)
|
||||
try:
|
||||
return model.load_model_cls()
|
||||
except Exception:
|
||||
logger.exception("Error in loading model architecture '%s'",
|
||||
model_arch)
|
||||
return None
|
||||
|
||||
|
||||
@lru_cache(maxsize=128)
|
||||
def _try_inspect_model_cls(
|
||||
model_arch: str,
|
||||
model: _BaseRegisteredModel,
|
||||
) -> Optional[_ModelInfo]:
|
||||
try:
|
||||
return model.inspect_model_cls()
|
||||
except Exception:
|
||||
logger.exception("Error in inspecting model architecture '%s'",
|
||||
model_arch)
|
||||
return None
|
||||
|
||||
|
||||
@dataclass
|
||||
class _ModelRegistry:
|
||||
# Keyed by model_arch
|
||||
models: dict[str, _BaseRegisteredModel] = field(default_factory=dict)
|
||||
|
||||
def get_supported_archs(self) -> Set[str]:
|
||||
return self.models.keys()
|
||||
|
||||
def register_model(
|
||||
self,
|
||||
model_arch: str,
|
||||
model_cls: Union[type[nn.Module], str],
|
||||
) -> None:
|
||||
"""
|
||||
Register an external model to be used in vLLM.
|
||||
|
||||
`model_cls` can be either:
|
||||
|
||||
- A [`torch.nn.Module`][] class directly referencing the model.
|
||||
- A string in the format `<module>:<class>` which can be used to
|
||||
lazily import the model. This is useful to avoid initializing CUDA
|
||||
when importing the model and thus the related error
|
||||
`RuntimeError: Cannot re-initialize CUDA in forked subprocess`.
|
||||
"""
|
||||
if not isinstance(model_arch, str):
|
||||
msg = f"`model_arch` should be a string, not a {type(model_arch)}"
|
||||
raise TypeError(msg)
|
||||
|
||||
if model_arch in self.models:
|
||||
logger.warning(
|
||||
"Model architecture %s is already registered, and will be "
|
||||
"overwritten by the new model class %s.", model_arch,
|
||||
model_cls)
|
||||
|
||||
if isinstance(model_cls, str):
|
||||
split_str = model_cls.split(":")
|
||||
if len(split_str) != 2:
|
||||
msg = "Expected a string in the format `<module>:<class>`"
|
||||
raise ValueError(msg)
|
||||
|
||||
model = _LazyRegisteredModel(*split_str)
|
||||
elif isinstance(model_cls, type) and issubclass(model_cls, nn.Module):
|
||||
model = _RegisteredModel.from_model_cls(model_cls)
|
||||
else:
|
||||
msg = ("`model_cls` should be a string or PyTorch model class, "
|
||||
f"not a {type(model_arch)}")
|
||||
raise TypeError(msg)
|
||||
|
||||
self.models[model_arch] = model
|
||||
|
||||
def _raise_for_unsupported(self, architectures: list[str]):
|
||||
all_supported_archs = self.get_supported_archs()
|
||||
|
||||
if any(arch in all_supported_archs for arch in architectures):
|
||||
raise ValueError(
|
||||
f"Model architectures {architectures} failed "
|
||||
"to be inspected. Please check the logs for more details.")
|
||||
|
||||
for arch in architectures:
|
||||
if arch in _PREVIOUSLY_SUPPORTED_MODELS:
|
||||
previous_version = _PREVIOUSLY_SUPPORTED_MODELS[arch]
|
||||
|
||||
raise ValueError(
|
||||
f"Model architecture {arch} was supported in vLLM until "
|
||||
f"v{previous_version}, and is not supported anymore. "
|
||||
"Please use an older version of vLLM if you want to "
|
||||
"use this model architecture.")
|
||||
|
||||
raise ValueError(
|
||||
f"Model architectures {architectures} are not supported for now. "
|
||||
f"Supported architectures: {all_supported_archs}")
|
||||
|
||||
def _try_load_model_cls(self,
|
||||
model_arch: str) -> Optional[type[nn.Module]]:
|
||||
if model_arch not in self.models:
|
||||
return None
|
||||
|
||||
return _try_load_model_cls(model_arch, self.models[model_arch])
|
||||
|
||||
def _try_inspect_model_cls(self, model_arch: str) -> Optional[_ModelInfo]:
|
||||
if model_arch not in self.models:
|
||||
return None
|
||||
|
||||
return _try_inspect_model_cls(model_arch, self.models[model_arch])
|
||||
|
||||
def _try_resolve_transformers(
|
||||
self,
|
||||
architecture: str,
|
||||
model_config: ModelConfig,
|
||||
) -> Optional[str]:
|
||||
if architecture in _TRANSFORMERS_BACKEND_MODELS:
|
||||
return architecture
|
||||
|
||||
auto_map: dict[str, str] = getattr(model_config.hf_config, "auto_map",
|
||||
None) or dict()
|
||||
|
||||
# Make sure that config class is always initialized before model class,
|
||||
# otherwise the model class won't be able to access the config class,
|
||||
# the expected auto_map should have correct order like:
|
||||
# "auto_map": {
|
||||
# "AutoConfig": "<your-repo-name>--<config-name>",
|
||||
# "AutoModel": "<your-repo-name>--<config-name>",
|
||||
# "AutoModelFor<Task>": "<your-repo-name>--<config-name>",
|
||||
# },
|
||||
for prefix in ("AutoConfig", "AutoModel"):
|
||||
for name, module in auto_map.items():
|
||||
if name.startswith(prefix):
|
||||
try_get_class_from_dynamic_module(
|
||||
module,
|
||||
model_config.model,
|
||||
revision=model_config.revision,
|
||||
warn_on_fail=False,
|
||||
)
|
||||
|
||||
model_module = getattr(transformers, architecture, None)
|
||||
|
||||
if model_module is None:
|
||||
for name, module in auto_map.items():
|
||||
if name.startswith("AutoModel"):
|
||||
model_module = try_get_class_from_dynamic_module(
|
||||
module,
|
||||
model_config.model,
|
||||
revision=model_config.revision,
|
||||
warn_on_fail=True,
|
||||
)
|
||||
if model_module is not None:
|
||||
break
|
||||
else:
|
||||
if model_config.model_impl != "transformers":
|
||||
return None
|
||||
|
||||
raise ValueError(
|
||||
f"Cannot find model module. {architecture!r} is not a "
|
||||
"registered model in the Transformers library (only "
|
||||
"relevant if the model is meant to be in Transformers) "
|
||||
"and 'AutoModel' is not present in the model config's "
|
||||
"'auto_map' (relevant if the model is custom).")
|
||||
|
||||
if not model_module.is_backend_compatible():
|
||||
if model_config.model_impl != "transformers":
|
||||
return None
|
||||
|
||||
raise ValueError(
|
||||
f"The Transformers implementation of {architecture!r} "
|
||||
"is not compatible with vLLM.")
|
||||
|
||||
return model_config._get_transformers_backend_cls()
|
||||
|
||||
def _normalize_arch(
|
||||
self,
|
||||
architecture: str,
|
||||
model_config: ModelConfig,
|
||||
) -> str:
|
||||
if architecture in self.models:
|
||||
return architecture
|
||||
|
||||
# This may be called in order to resolve runner_type and convert_type
|
||||
# in the first place, in which case we consider the default match
|
||||
match = try_match_architecture_defaults(
|
||||
architecture,
|
||||
runner_type=getattr(model_config, "runner_type", None),
|
||||
convert_type=getattr(model_config, "convert_type", None),
|
||||
)
|
||||
if match:
|
||||
suffix, _ = match
|
||||
|
||||
# Get the name of the base model to convert
|
||||
for repl_suffix, _ in iter_architecture_defaults():
|
||||
base_arch = architecture.replace(suffix, repl_suffix)
|
||||
if base_arch in self.models:
|
||||
return base_arch
|
||||
|
||||
return architecture
|
||||
|
||||
def inspect_model_cls(
|
||||
self,
|
||||
architectures: Union[str, list[str]],
|
||||
model_config: ModelConfig,
|
||||
) -> tuple[_ModelInfo, str]:
|
||||
if isinstance(architectures, str):
|
||||
architectures = [architectures]
|
||||
if not architectures:
|
||||
raise ValueError("No model architectures are specified")
|
||||
|
||||
# Require transformers impl
|
||||
if model_config.model_impl == "transformers":
|
||||
arch = self._try_resolve_transformers(architectures[0],
|
||||
model_config)
|
||||
if arch is not None:
|
||||
model_info = self._try_inspect_model_cls(arch)
|
||||
if model_info is not None:
|
||||
return (model_info, arch)
|
||||
elif model_config.model_impl == "terratorch":
|
||||
model_info = self._try_inspect_model_cls("Terratorch")
|
||||
return (model_info, "Terratorch")
|
||||
|
||||
# Fallback to transformers impl (after resolving convert_type)
|
||||
if (all(arch not in self.models for arch in architectures)
|
||||
and model_config.model_impl == "auto"
|
||||
and getattr(model_config, "convert_type", "none") == "none"):
|
||||
arch = self._try_resolve_transformers(architectures[0],
|
||||
model_config)
|
||||
if arch is not None:
|
||||
model_info = self._try_inspect_model_cls(arch)
|
||||
if model_info is not None:
|
||||
return (model_info, arch)
|
||||
|
||||
for arch in architectures:
|
||||
normalized_arch = self._normalize_arch(arch, model_config)
|
||||
model_info = self._try_inspect_model_cls(normalized_arch)
|
||||
if model_info is not None:
|
||||
return (model_info, arch)
|
||||
|
||||
# Fallback to transformers impl (before resolving runner_type)
|
||||
if (all(arch not in self.models for arch in architectures)
|
||||
and model_config.model_impl == "auto"):
|
||||
arch = self._try_resolve_transformers(architectures[0],
|
||||
model_config)
|
||||
if arch is not None:
|
||||
model_info = self._try_inspect_model_cls(arch)
|
||||
if model_info is not None:
|
||||
return (model_info, arch)
|
||||
|
||||
return self._raise_for_unsupported(architectures)
|
||||
|
||||
def resolve_model_cls(
|
||||
self,
|
||||
architectures: Union[str, list[str]],
|
||||
model_config: ModelConfig,
|
||||
) -> tuple[type[nn.Module], str]:
|
||||
if isinstance(architectures, str):
|
||||
architectures = [architectures]
|
||||
if not architectures:
|
||||
raise ValueError("No model architectures are specified")
|
||||
|
||||
# Require transformers impl
|
||||
if model_config.model_impl == "transformers":
|
||||
arch = self._try_resolve_transformers(architectures[0],
|
||||
model_config)
|
||||
if arch is not None:
|
||||
model_cls = self._try_load_model_cls(arch)
|
||||
if model_cls is not None:
|
||||
return (model_cls, arch)
|
||||
elif model_config.model_impl == "terratorch":
|
||||
arch = "Terratorch"
|
||||
model_cls = self._try_load_model_cls(arch)
|
||||
if model_cls is not None:
|
||||
return (model_cls, arch)
|
||||
|
||||
# Fallback to transformers impl (after resolving convert_type)
|
||||
if (all(arch not in self.models for arch in architectures)
|
||||
and model_config.model_impl == "auto"
|
||||
and getattr(model_config, "convert_type", "none") == "none"):
|
||||
arch = self._try_resolve_transformers(architectures[0],
|
||||
model_config)
|
||||
if arch is not None:
|
||||
model_cls = self._try_load_model_cls(arch)
|
||||
if model_cls is not None:
|
||||
return (model_cls, arch)
|
||||
|
||||
for arch in architectures:
|
||||
normalized_arch = self._normalize_arch(arch, model_config)
|
||||
model_cls = self._try_load_model_cls(normalized_arch)
|
||||
if model_cls is not None:
|
||||
return (model_cls, arch)
|
||||
|
||||
# Fallback to transformers impl (before resolving runner_type)
|
||||
if (all(arch not in self.models for arch in architectures)
|
||||
and model_config.model_impl == "auto"):
|
||||
arch = self._try_resolve_transformers(architectures[0],
|
||||
model_config)
|
||||
if arch is not None:
|
||||
model_cls = self._try_load_model_cls(arch)
|
||||
if model_cls is not None:
|
||||
return (model_cls, arch)
|
||||
|
||||
return self._raise_for_unsupported(architectures)
|
||||
|
||||
def is_text_generation_model(
|
||||
self,
|
||||
architectures: Union[str, list[str]],
|
||||
model_config: ModelConfig,
|
||||
) -> bool:
|
||||
model_cls, _ = self.inspect_model_cls(architectures, model_config)
|
||||
return model_cls.is_text_generation_model
|
||||
|
||||
def is_pooling_model(
|
||||
self,
|
||||
architectures: Union[str, list[str]],
|
||||
model_config: ModelConfig,
|
||||
) -> bool:
|
||||
model_cls, _ = self.inspect_model_cls(architectures, model_config)
|
||||
return model_cls.is_pooling_model
|
||||
|
||||
def is_cross_encoder_model(
|
||||
self,
|
||||
architectures: Union[str, list[str]],
|
||||
model_config: ModelConfig,
|
||||
) -> bool:
|
||||
model_cls, _ = self.inspect_model_cls(architectures, model_config)
|
||||
return model_cls.supports_cross_encoding
|
||||
|
||||
def is_multimodal_model(
|
||||
self,
|
||||
architectures: Union[str, list[str]],
|
||||
model_config: ModelConfig,
|
||||
) -> bool:
|
||||
model_cls, _ = self.inspect_model_cls(architectures, model_config)
|
||||
return model_cls.supports_multimodal
|
||||
|
||||
def is_multimodal_raw_input_only_model(
|
||||
self,
|
||||
architectures: Union[str, list[str]],
|
||||
model_config: ModelConfig,
|
||||
) -> bool:
|
||||
model_cls, _ = self.inspect_model_cls(architectures, model_config)
|
||||
return model_cls.supports_multimodal_raw_input_only
|
||||
|
||||
def is_pp_supported_model(
|
||||
self,
|
||||
architectures: Union[str, list[str]],
|
||||
model_config: ModelConfig,
|
||||
) -> bool:
|
||||
model_cls, _ = self.inspect_model_cls(architectures, model_config)
|
||||
return model_cls.supports_pp
|
||||
|
||||
def model_has_inner_state(
|
||||
self,
|
||||
architectures: Union[str, list[str]],
|
||||
model_config: ModelConfig,
|
||||
) -> bool:
|
||||
model_cls, _ = self.inspect_model_cls(architectures, model_config)
|
||||
return model_cls.has_inner_state
|
||||
|
||||
def is_attention_free_model(
|
||||
self,
|
||||
architectures: Union[str, list[str]],
|
||||
model_config: ModelConfig,
|
||||
) -> bool:
|
||||
model_cls, _ = self.inspect_model_cls(architectures, model_config)
|
||||
return model_cls.is_attention_free
|
||||
|
||||
def is_hybrid_model(
|
||||
self,
|
||||
architectures: Union[str, list[str]],
|
||||
model_config: ModelConfig,
|
||||
) -> bool:
|
||||
model_cls, _ = self.inspect_model_cls(architectures, model_config)
|
||||
return model_cls.is_hybrid
|
||||
|
||||
def is_noops_model(
|
||||
self,
|
||||
architectures: Union[str, list[str]],
|
||||
model_config: ModelConfig,
|
||||
) -> bool:
|
||||
model_cls, _ = self.inspect_model_cls(architectures, model_config)
|
||||
return model_cls.has_noops
|
||||
|
||||
def is_transcription_model(
|
||||
self,
|
||||
architectures: Union[str, list[str]],
|
||||
model_config: ModelConfig,
|
||||
) -> bool:
|
||||
model_cls, _ = self.inspect_model_cls(architectures, model_config)
|
||||
return model_cls.supports_transcription
|
||||
|
||||
def is_transcription_only_model(
|
||||
self,
|
||||
architectures: Union[str, list[str]],
|
||||
model_config: ModelConfig,
|
||||
) -> bool:
|
||||
model_cls, _ = self.inspect_model_cls(architectures, model_config)
|
||||
return model_cls.supports_transcription_only
|
||||
|
||||
def is_v1_compatible(
|
||||
self,
|
||||
architectures: Union[str, list[str]],
|
||||
model_config: ModelConfig,
|
||||
) -> bool:
|
||||
model_cls, _ = self.inspect_model_cls(architectures, model_config)
|
||||
return not model_cls.supports_v0_only
|
||||
|
||||
|
||||
ModelRegistry = _ModelRegistry({
|
||||
model_arch:
|
||||
_LazyRegisteredModel(
|
||||
module_name=f"vllm.model_executor.models.{mod_relname}",
|
||||
class_name=cls_name,
|
||||
)
|
||||
for model_arch, (mod_relname, cls_name) in _VLLM_MODELS.items()
|
||||
})
|
||||
|
||||
_T = TypeVar("_T")
|
||||
|
||||
|
||||
def _run_in_subprocess(fn: Callable[[], _T]) -> _T:
|
||||
# NOTE: We use a temporary directory instead of a temporary file to avoid
|
||||
# issues like https://stackoverflow.com/questions/23212435/permission-denied-to-write-to-my-temporary-file
|
||||
with tempfile.TemporaryDirectory() as tempdir:
|
||||
output_filepath = os.path.join(tempdir, "registry_output.tmp")
|
||||
|
||||
# `cloudpickle` allows pickling lambda functions directly
|
||||
import cloudpickle
|
||||
input_bytes = cloudpickle.dumps((fn, output_filepath))
|
||||
|
||||
# cannot use `sys.executable __file__` here because the script
|
||||
# contains relative imports
|
||||
returned = subprocess.run(_SUBPROCESS_COMMAND,
|
||||
input=input_bytes,
|
||||
capture_output=True)
|
||||
|
||||
# check if the subprocess is successful
|
||||
try:
|
||||
returned.check_returncode()
|
||||
except Exception as e:
|
||||
# wrap raised exception to provide more information
|
||||
raise RuntimeError(f"Error raised in subprocess:\n"
|
||||
f"{returned.stderr.decode()}") from e
|
||||
|
||||
with open(output_filepath, "rb") as f:
|
||||
return pickle.load(f)
|
||||
|
||||
|
||||
def _run() -> None:
|
||||
# Setup plugins
|
||||
from vllm.plugins import load_general_plugins
|
||||
load_general_plugins()
|
||||
|
||||
fn, output_file = pickle.loads(sys.stdin.buffer.read())
|
||||
|
||||
result = fn()
|
||||
|
||||
with open(output_file, "wb") as f:
|
||||
f.write(pickle.dumps(result))
|
||||
|
||||
|
||||
if __name__ == "__main__":
|
||||
_run()
|
||||
Reference in New Issue
Block a user