clip : Add Qwen2.5VL support (#12402)
* implment vision model architecture, gguf convertor * handle window attention inputs * add debug utils * fix few incorrect tensor memory layout * move position id remap out of ggml to avoid int32 cuda operations * cleaning up * ignore transformers Qwen2_5_xxx type check * remove not so often use `qwen2vl-cli` debug functions * remove commented-out code blocks * fix attn weight scaling after rebase * add `PROJECTOR_TYPE_QWEN2_5_VL` * remove `KEY_USE_GLU_MLP`, `KEY_USE_RMS_NORM` * replace `KEY_FULLATTN_BLK_IDX` with `KEY_WIN_ATTN_PATTERN` * remove `attn_window_size` from gguf * fix model conversion * clean up * fix merging problem * add test --------- Co-authored-by: Xuan Son Nguyen <son@huggingface.co>
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HimariO
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6 changed files with 594 additions and 102 deletions
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@ -1,14 +1,16 @@
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import argparse
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from typing import Dict
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from typing import Dict, List, Optional
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import torch
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import numpy as np
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from gguf import *
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from transformers import (
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Qwen2VLForConditionalGeneration,
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Qwen2VLProcessor,
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AutoProcessor,
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Qwen2VLConfig
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Qwen2VLConfig,
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Qwen2VLProcessor,
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Qwen2VLForConditionalGeneration,
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Qwen2_5_VLConfig, # type: ignore[reportAttributeAccessIssue]
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Qwen2_5_VLForConditionalGeneration, # type: ignore[reportAttributeAccessIssue]
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)
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@ -19,61 +21,93 @@ def k(raw_key: str, arch: str) -> str:
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return raw_key.format(arch=arch)
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def to_gguf_name(name: str) -> str:
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og = name
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name = name.replace("text_model", "t").replace("vision_model", "v")
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name = name.replace("blocks", "blk").replace("embeddings.", "")
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name = name.replace("attn.", "attn_")
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name = name.replace("mlp.fc1", "ffn_down").replace("mlp.fc2", "ffn_up").replace("proj.", "out.")
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# name = name.replace("layrnorm", "ln").replace("layer_norm", "ln").replace("layernorm", "ln")
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name = name.replace("norm1", "ln1").replace("norm2", "ln2")
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name = name.replace("merger.mlp", 'mm')
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print(f"[to_gguf_name] {og} --> {name}")
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return name
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def get_n_wa_pattern(fullatt_block_indexes: Optional[List[int]]):
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if fullatt_block_indexes is None:
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return 0
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n_wa = fullatt_block_indexes[0]
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for a, b in zip(fullatt_block_indexes, fullatt_block_indexes[1:]):
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if b - a - 1 != n_wa:
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raise ValueError(
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f"window/full attention layer should have fix pattern of "
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f"for each full-attention layer followed by {n_wa} window-attention layers"
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)
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return n_wa + 1
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def find_vision_tensors(qwen2vl, dtype) -> Dict[str, np.ndarray]:
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vision_model = qwen2vl.visual
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tensor_map = {}
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for name, ten in vision_model.state_dict().items():
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ten = ten.numpy()
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if 'qkv' in name:
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if ten.ndim == 2: # weight
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c3, _ = ten.shape
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else: # bias
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c3 = ten.shape[0]
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assert c3 % 3 == 0
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c = c3 // 3
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wq = ten[:c]
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wk = ten[c: c * 2]
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wv = ten[c * 2:]
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tensor_map[to_gguf_name(f"vision_model.{name}").replace("qkv", "q")] = wq
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tensor_map[to_gguf_name(f"vision_model.{name}").replace("qkv", "k")] = wk
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tensor_map[to_gguf_name(f"vision_model.{name}").replace("qkv", "v")] = wv
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elif 'merger' in name:
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if name.endswith("ln_q.weight"):
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tensor_map['v.post_ln.weight'] = ten
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elif name.endswith("ln_q.bias"):
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tensor_map['v.post_ln.bias'] = ten
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class VL2:
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@staticmethod
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def to_gguf_name(name: str) -> str:
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og = name
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name = name.replace("text_model", "t").replace("vision_model", "v")
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name = name.replace("blocks", "blk").replace("embeddings.", "")
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name = name.replace("attn.", "attn_")
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name = name.replace("mlp.fc1", "ffn_down").replace("mlp.fc2", "ffn_up").replace("proj.", "out.")
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# name = name.replace("layrnorm", "ln").replace("layer_norm", "ln").replace("layernorm", "ln")
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name = name.replace("norm1", "ln1").replace("norm2", "ln2")
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name = name.replace("merger.mlp", 'mm')
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print(f"[to_gguf_name] {og} --> {name}")
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return name
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@classmethod
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def find_vision_tensors(cls, qwen2vl, dtype) -> Dict[str, np.ndarray]:
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vision_model = qwen2vl.visual
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tensor_map = {}
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for name, ten in vision_model.state_dict().items():
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ten = ten.numpy()
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if 'qkv' in name:
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if ten.ndim == 2: # weight
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c3, _ = ten.shape
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else: # bias
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c3 = ten.shape[0]
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assert c3 % 3 == 0
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c = c3 // 3
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wq = ten[:c]
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wk = ten[c: c * 2]
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wv = ten[c * 2:]
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tensor_map[cls.to_gguf_name(f"vision_model.{name}").replace("qkv", "q")] = wq
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tensor_map[cls.to_gguf_name(f"vision_model.{name}").replace("qkv", "k")] = wk
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tensor_map[cls.to_gguf_name(f"vision_model.{name}").replace("qkv", "v")] = wv
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elif 'merger' in name:
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if name.endswith("ln_q.weight"):
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tensor_map['v.post_ln.weight'] = ten
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elif name.endswith("ln_q.bias"):
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tensor_map['v.post_ln.bias'] = ten
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else:
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# "merger.mlp.%d.weight/bias" --> "mm.%d.weight/bias"
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tensor_map[cls.to_gguf_name(name)] = ten
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elif 'patch_embed.proj.weight' in name:
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# NOTE: split Conv3D into Conv2Ds
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c1, c2, kt, kh, kw = ten.shape
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assert kt == 2, "Current implmentation only support temporal_patch_size of 2"
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tensor_map["v.patch_embd.weight"] = ten[:, :, 0, ...]
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tensor_map["v.patch_embd.weight.1"] = ten[:, :, 1, ...]
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else:
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# "merger.mlp.%d.weight/bias" --> "mm.%d.weight/bias"
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tensor_map[to_gguf_name(name)] = ten
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elif 'patch_embed.proj.weight' in name:
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# NOTE: split Conv3D into Conv2Ds
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c1, c2, kt, kh, kw = ten.shape
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assert kt == 2, "Current implmentation only support temporal_patch_size of 2"
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tensor_map["v.patch_embd.weight"] = ten[:, :, 0, ...]
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tensor_map["v.patch_embd.weight.1"] = ten[:, :, 1, ...]
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else:
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tensor_map[to_gguf_name(f"vision_model.{name}")] = ten
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tensor_map[cls.to_gguf_name(f"vision_model.{name}")] = ten
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for new_name, ten in tensor_map.items():
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if ten.ndim <= 1 or new_name.endswith("_norm.weight"):
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tensor_map[new_name] = ten.astype(np.float32)
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else:
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tensor_map[new_name] = ten.astype(dtype)
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tensor_map["v.position_embd.weight"] = np.zeros([10, 10], dtype=np.float32) # dummy tensor, just here as a placeholder
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return tensor_map
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for new_name, ten in tensor_map.items():
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if ten.ndim <= 1 or new_name.endswith("_norm.weight"):
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tensor_map[new_name] = ten.astype(np.float32)
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else:
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tensor_map[new_name] = ten.astype(dtype)
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tensor_map["v.position_embd.weight"] = np.zeros([10, 10], dtype=np.float32) # dummy tensor, just here as a placeholder
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return tensor_map
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class VL25(VL2):
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@staticmethod
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def to_gguf_name(name: str) -> str:
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og = name
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name = name.replace("text_model", "t").replace("vision_model", "v")
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name = name.replace("blocks", "blk").replace("embeddings.", "")
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name = name.replace("attn.", "attn_")
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name = name.replace("mlp.down_proj", "ffn_down").replace("mlp.up_proj", "ffn_up")
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name = name.replace("mlp.gate_proj", "ffn_gate").replace("proj.", "out.")
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name = name.replace("norm1", "ln1").replace("norm2", "ln2")
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name = name.replace("merger.mlp", 'mm')
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print(f"[vl25][to_gguf_name] {og} --> {name}")
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return name
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def main(args):
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@ -82,7 +116,7 @@ def main(args):
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np_dtype = np.float32
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ftype = 0
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elif args.data_type == 'fp16':
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dtype = torch.float32
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dtype = torch.float16
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np_dtype = np.float16
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ftype = 1
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else:
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@ -92,11 +126,18 @@ def main(args):
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model_path = ""
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model_name = args.model_name
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print("model_name: ", model_name)
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qwen2vl = Qwen2VLForConditionalGeneration.from_pretrained(
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model_name, torch_dtype=dtype, device_map="cpu"
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)
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cfg: Qwen2VLConfig = qwen2vl.config # type: ignore[reportAssignmentType]
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vcfg = cfg.vision_config
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if args.model_type == "qwen2vl":
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qwen2vl = Qwen2VLForConditionalGeneration.from_pretrained(
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model_name, torch_dtype=dtype, device_map="cpu"
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)
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cfg: Qwen2VLConfig = qwen2vl.config # type: ignore[reportAssignmentType]
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vcfg = cfg.vision_config
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else:
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qwen2vl = Qwen2_5_VLForConditionalGeneration.from_pretrained(
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model_name, torch_dtype=dtype, device_map="cpu"
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)
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cfg: Qwen2_5_VLConfig = qwen2vl.config # type: ignore[reportAssignmentType]
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vcfg = cfg.vision_config
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if os.path.isdir(model_name):
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local_model = True
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@ -113,7 +154,6 @@ def main(args):
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fout.add_bool("clip.has_text_encoder", False)
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fout.add_bool("clip.has_vision_encoder", True)
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fout.add_bool("clip.has_qwen2vl_merger", True)
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fout.add_string("clip.projector_type", "qwen2vl_merger")
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print(cfg.vision_config)
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if 'silu' in cfg.vision_config.hidden_act.lower():
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@ -125,14 +165,25 @@ def main(args):
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else:
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raise ValueError()
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tensor_map = find_vision_tensors(qwen2vl, np_dtype)
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if args.model_type == "qwen2.5vl":
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fout.add_uint32("clip.vision.n_wa_pattern", get_n_wa_pattern(vcfg.fullatt_block_indexes))
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fout.add_uint32(k(KEY_EMBEDDING_LENGTH, VISION), vcfg.hidden_size)
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fout.add_uint32("clip.vision.projection_dim", vcfg.out_hidden_size)
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fout.add_string("clip.projector_type", "qwen2.5vl_merger")
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else:
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fout.add_string("clip.projector_type", "qwen2vl_merger")
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fout.add_uint32(k(KEY_EMBEDDING_LENGTH, VISION), vcfg.embed_dim)
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fout.add_uint32("clip.vision.projection_dim", vcfg.hidden_size)
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if args.model_type == "qwen2.5vl":
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tensor_map = VL25.find_vision_tensors(qwen2vl, np_dtype)
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else:
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tensor_map = VL2.find_vision_tensors(qwen2vl, np_dtype)
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for name, data in tensor_map.items():
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fout.add_tensor(name, data)
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fout.add_uint32("clip.vision.patch_size", vcfg.patch_size)
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fout.add_uint32("clip.vision.image_size", 14 * 40) # some reasonable size that is divable by (14*2)
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fout.add_uint32(k(KEY_EMBEDDING_LENGTH, VISION), vcfg.embed_dim)
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fout.add_uint32("clip.vision.projection_dim", vcfg.hidden_size)
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fout.add_uint32(k(KEY_ATTENTION_HEAD_COUNT, VISION), vcfg.num_heads)
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fout.add_float32(k(KEY_ATTENTION_LAYERNORM_EPS, VISION), 1e-6)
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fout.add_uint32(k(KEY_BLOCK_COUNT, VISION), vcfg.depth)
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@ -160,6 +211,7 @@ def main(args):
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if __name__ == "__main__":
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parser = argparse.ArgumentParser()
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parser.add_argument("model_name", nargs='?', default="Qwen/Qwen2-VL-2B-Instruct")
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parser.add_argument("--model_type", nargs='?', choices=['qwen2vl', 'qwen2.5vl'], default="qwen2vl")
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parser.add_argument("--data_type", nargs='?', choices=['fp32', 'fp16'], default="fp32")
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args = parser.parse_args()
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main(args)
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