refactor(memory): 核心不再适配具体模型——公共 embedding provider SPI + 注册表

问题:cmd/homed 里 `case "onnx": qwen.New(modelDir)` 把模型适配写进了核心,
`type=onnx` 名义上是格式、实际写死了一个模型家族;2117 行 Qwen 专属代码
(BPE、chat template、M-RoPE、Vision_gN 命名)住在内核树里,还带着一对
`//go:build onnxruntime` 的 stub。加任何新模型都要改内核。

现在核心只认一个模型无关的公共契约(pkg/embedding):
- 输入是不透明的 Data+MIME,解码/预处理/时序分组全归 provider
- 能力是数据(Info.Modalities),不是接口方法——新增模态无需改核心接口
- 不支持的模态返回 embedding.ErrUnsupportedModality(可 errors.Is 识别)
- 按名字注册,重复注册 panic;Options 是 provider 私有命名空间,核心不解释

改动:
- 新增 pkg/embedding:Modality/Purpose/Input/Info/Provider/Config + 注册表
  (Open 校验 Info,ValidateVector 在入库前拦下维度错与非有限值)
- providers/qwen3vl:Qwen 实现整体移出内核(git mv),实现公共 SPI 并自注册
- internal/memory/vector:新增 ProviderAdapter(公共 SPI → 内部小接口);
  ErrModalityUnsupported 改为公共哨兵别名;删除 VideoEmbedder 可选接口
  (那正是「核心为每个新模态长方法」的坏味道)
- http embedder 也变成普通 provider(注册名 http)
- cmd/homed:删除 qwen import 与 onnx/http 分支,改为按 provider 名打开 +
  透传 options.*;provider 打开失败只警告并禁用多模态检索,不影响启动
- config:multimodal_space.type/onnx./http.* → provider + options.*
- 删除 internal/memory/qwen(整体搬迁)

测试:
- pkg/embedding:注册表隔离/未知名字/非法 Info 自动关闭/ValidateVector
- vector:适配器原样透传字节与 MIME、维度错被拦、Close 幂等且停止使用、
  两个哨兵 errors.Is 互通
- providers/qwen3vl:新增公共 SPI 全链路集成测试(Open→Info→Embed→
  未知模态哨兵),并明确断言 Info 不声明 video

已知未完成(不得当作已验证):
- 视频冻结回归 TestEmbedderVideoMatchesONNXReference **显式跳过**:Go 侧
  video 模板缺少 processor 按时间组插入的字面时间戳文本
  (<0.0 seconds>/<1.0 seconds>),同一输入 Python seq=1190(1152+38)、
  Go 只有 22 个文本 token。时间戳也占 M-RoPE 位置,故现有 M-RoPE 自洽断言
  通过不能证明与官方实现一致。修复属 provider 内部工作。
- 视觉侧三档已导出并逐档校验通过(cos 1.000000119/1.000000119/1.000000000)

验证:go build ./... ;go vet -tags onnxruntime ./... ;
go test -short ./internal/memory/... ./internal/agent/core/... ./internal/sdk/... ./pkg/...
;onnxruntime 下 providers/qwen3vl 全绿(视频为显式 skip)
This commit is contained in:
JianFeeeee
2026-09-11 18:26:19 +08:00
parent 1a02971f88
commit a37bc7333e
21 changed files with 2100 additions and 627 deletions

View File

@ -35,9 +35,11 @@ grid 固定为 (1, 48, 48),并在导出处做 PyTorch↔ONNX 一致性校验
from __future__ import annotations
import argparse
import gc
import json
import os
import shutil
import subprocess
import sys
import time
@ -49,10 +51,31 @@ IMAGE_SIZE = 768
PATCH_SIZE = 16
TEMPORAL_PATCH = 2
SPATIAL_MERGE = 2
# 每个时间组合并后的视觉 token 数:(768/16/2)^2 = 576。
VISUAL_TOKENS_PER_GROUP = (IMAGE_SIZE // PATCH_SIZE // SPATIAL_MERGE) ** 2
MAX_LENGTH = 1024 # 768x768 有 576 个视觉 token512 会截断视觉占位符
DEFAULT_MODEL_ID = "Qwen/Qwen3-VL-Embedding-2B"
REFERENCE_TEXT = "今天天气怎么样"
REFERENCE_IMAGE_RGB = (200, 30, 30)
# 视频参考4 帧、4 种颜色 → 2 个时间组。用可区分的颜色,
# 这样帧顺序(组 g 的 tp0←帧2g、tp1←帧2g+1写错时参考向量立刻不匹配。
REFERENCE_VIDEO_RGB = [(10, 10, 10), (200, 20, 20), (20, 200, 20), (20, 20, 200)]
DEFAULT_VIDEO_GROUPS = (2, 3, 4)
# MAX_LENGTH 由 main() 按 --video-groups 调大;做成模块级是因为文本/图像/视频
# 三个输入构造函数共用它。
MAX_LENGTH = 1024
def max_length_for(video_groups) -> int:
"""足够容纳最大视频档的序列长度。
图像路径只需 598 token1 组),但视频是 G×576G=2 就要 1190
G=4 要 2342。实测过若沿用图像的 1024处理器会因截断而报
「Mismatch in video token count between text and input_ids」。
模板文本实测约 38 token这里留 256 余量(允许将来插入更长的指令)。
"""
return max(1024, max(video_groups) * VISUAL_TOKENS_PER_GROUP + 256)
def log(msg: str) -> None:
@ -190,31 +213,76 @@ def text_inputs(processor, lm, text):
return x, hidden, (zero, zero, zero), cos, sin, causal_mask(hidden.shape[1]), pos
def image_inputs(processor, model, image):
conv = [{"role": "system", "content": [{"type": "text", "text": INSTRUCTION}]},
{"role": "user", "content": [{"type": "image", "image": image}]}]
rendered = processor.apply_chat_template([conv], add_generation_prompt=True, tokenize=False)
x = processor(text=rendered, images=[image], do_resize=False,
return_tensors="pt", truncation=True, max_length=MAX_LENGTH)
def image_inputs(processor, model, image, groups=1):
"""构造视觉输入。
groups=1 走图像路径(<|image_pad|>groups>1 走视频路径
<|video_pad|>2×groups 帧,相邻两帧一个时间组)。
两者模板结构一致,只差占位符与组数。
"""
lm = model.model.language_model
with torch.no_grad():
vo = model.model.visual(x["pixel_values"], grid_thw=x["image_grid_thw"], return_dict=True)
pos, _ = model.model.get_rope_index(
x["input_ids"], x["mm_token_type_ids"],
image_grid_thw=x["image_grid_thw"], attention_mask=x["attention_mask"])
mask = x["mm_token_type_ids"] == 1
hidden = lm.embed_tokens(x["input_ids"])
hidden = hidden.clone()
hidden[mask] = vo.pooler_output
if groups == 1:
conv = [{"role": "system", "content": [{"type": "text", "text": INSTRUCTION}]},
{"role": "user", "content": [{"type": "image", "image": image}]}]
rendered = processor.apply_chat_template([conv], add_generation_prompt=True, tokenize=False)
x = processor(text=rendered, images=[image], do_resize=False,
return_tensors="pt", truncation=True, max_length=MAX_LENGTH)
with torch.no_grad():
vo = model.model.visual(x["pixel_values"], grid_thw=x["image_grid_thw"], return_dict=True)
pos, _ = model.model.get_rope_index(
x["input_ids"], x["mm_token_type_ids"],
image_grid_thw=x["image_grid_thw"], attention_mask=x["attention_mask"])
visual_mask = x["mm_token_type_ids"] == 1
else:
frames = video_frames(groups)
conv = [{"role": "system", "content": [{"type": "text", "text": INSTRUCTION}]},
{"role": "user", "content": [{"type": "video", "video": frames}]}]
rendered = processor.apply_chat_template([conv], add_generation_prompt=True, tokenize=False)
# do_sample_frames=False 至关重要:处理器默认按 fps 重采样视频,
# 未提供 video_metadata 时回落到 fps=24会把任何帧数都改成 grid_t=2
# (实测 4/6/8 帧都变成 1152 个视觉 token。那会把「G 帧」变成
# 「2 帧」,且在导出阶段看起来一切正常。
x = processor(text=rendered, videos=[frames], do_resize=False, do_sample_frames=False,
return_tensors="pt", truncation=True, max_length=MAX_LENGTH)
got_groups = int(x["video_grid_thw"][0][0])
if got_groups != groups:
raise SystemExit(
f"视频时间组数 {got_groups},期望 {groups}(处理器重采样了帧?"
"确认 do_sample_frames=False 未被覆盖)")
with torch.no_grad():
vo = model.model.visual(x["pixel_values_videos"], grid_thw=x["video_grid_thw"], return_dict=True)
pos, _ = model.model.get_rope_index(
x["input_ids"], x["mm_token_type_ids"],
video_grid_thw=x["video_grid_thw"], attention_mask=x["attention_mask"])
visual_mask = x["mm_token_type_ids"] == 2
hidden = lm.embed_tokens(x["input_ids"]).clone()
if int(visual_mask.sum()) != groups * VISUAL_TOKENS_PER_GROUP:
# 截断、模板改动、占位符扩展异常都会落到这里。它能区分
# 「真的错了」与「只是看起来像」,比后续 scatter 报形状不符清楚得多。
raise SystemExit(
f"groups={groups} 视觉 token 数 {int(visual_mask.sum())},期望 "
f"{groups * VISUAL_TOKENS_PER_GROUP}max_length={MAX_LENGTH}"
"截断会导致此错,请提高 --video-groups 推导出的 max_length")
hidden[visual_mask] = vo.pooler_output
deep = []
for d in vo.deepstack_features:
full = torch.zeros_like(hidden)
full[mask] = d
full[visual_mask] = d
deep.append(full)
cos, sin = lm.rotary_emb(hidden, pos)
return x, hidden, tuple(deep), cos, sin, causal_mask(hidden.shape[1]), pos
def video_frames(groups: int):
from PIL import Image
fps = list(REFERENCE_VIDEO_RGB)
while len(fps) < 2 * groups:
fps.append(fps[len(fps) % len(REFERENCE_VIDEO_RGB)])
return [Image.new("RGB", (IMAGE_SIZE, IMAGE_SIZE), c) for c in fps[: 2 * groups]]
def causal_mask(seq: int) -> torch.Tensor:
m = torch.full((1, 1, seq, seq), torch.finfo(torch.float32).min)
return torch.triu(m, diagonal=1)
@ -271,21 +339,38 @@ def unit(vec):
return v / n if n > 0 else v
def verify_onnx(out_dir: str, model, processor) -> dict:
"""用 onnxruntime 跑导出后的三段图,对比完整模型前向。
RESULT_PREFIX = "@@VERIFY_RESULT@@"
返回参考向量(供 Go 侧测试冻结使用Go 必须复现同一套预处理与模板,
因此这里把同一输入下的期望向量前若干维导出。
"""
def onnx_session(path: str):
import onnxruntime as ort
log("校验②:导出后的 ONNX 三段图 vs 完整模型")
ts = ort.InferenceSession(os.path.join(out_dir, "TokenEmbedding.onnx"), providers=["CPUExecutionProvider"])
xs = ort.InferenceSession(os.path.join(out_dir, "Transformer.onnx"), providers=["CPUExecutionProvider"])
vs = ort.InferenceSession(os.path.join(out_dir, "Vision.onnx"), providers=["CPUExecutionProvider"])
lm = model.model.language_model
return ort.InferenceSession(path, providers=["CPUExecutionProvider"])
reference: dict[str, object] = {}
def load_model(model_dir: str):
"""加载 FP32 CPU 全模型与处理器(导出与校验共用同一套加载参数)。"""
from transformers import AutoProcessor
from transformers.models.qwen3_vl.modeling_qwen3_vl import Qwen3VLForConditionalGeneration
processor = AutoProcessor.from_pretrained(model_dir, trust_remote_code=True, padding_side="right")
model = Qwen3VLForConditionalGeneration.from_pretrained(
model_dir, dtype=torch.float32, low_cpu_mem_usage=True).eval()
return model, processor
def verify_case(case: str, out_dir: str, model, processor) -> dict:
"""在**单个进程内**只校验一个用例,返回该用例的参考片段。
一个用例一个进程是有意的:这里必须同时驻留 PyTorch 全模型(~8GB
Transformer.onnx~7.5GB)。若在同一进程里连着校验图像与各档视频,
每档新建的视觉图(~1.6GB/张)不会及时释放,峰值是它们之和——
在 17GB 内存的机器上会被 OOM 杀掉(实测:校验到视频档时 python3 被 kill
total-vm 26GB。拆成子进程后峰值等于单个用例且某一档崩了不影响其余档。
"""
ts = onnx_session(os.path.join(out_dir, "TokenEmbedding.onnx"))
xs = onnx_session(os.path.join(out_dir, "Transformer.onnx"))
lm = model.model.language_model
def run_transform(hidden, deep, cos, sin):
seq = hidden.shape[1]
@ -299,45 +384,157 @@ def verify_onnx(out_dir: str, model, processor) -> dict:
"causal_mask": causal_mask(seq).numpy(),
})[0]
x, h, d, cos, sin, _cm, pos = text_inputs(processor, lm, REFERENCE_TEXT)
with torch.no_grad():
ref_text = model.model(input_ids=x["input_ids"], attention_mask=x["attention_mask"],
position_ids=pos, use_cache=False).last_hidden_state[:, -1].numpy()
h_onnx = ts.run(None, {"input_ids": x["input_ids"].numpy().astype(np.int64)})[0]
zero = np.zeros_like(h_onnx)
got = run_transform(h_onnx, (zero, zero, zero), cos.numpy(), sin.numpy())
compare("text/onnx-vs-full", got, ref_text)
reference["text"] = REFERENCE_TEXT
reference["text_vector_prefix"] = [float(v) for v in unit(got[0])[:12]]
reference["text_norm_raw"] = float(np.linalg.norm(got[0]))
if case == "text":
x, _h, _d, cos, sin, _cm, pos = text_inputs(processor, lm, REFERENCE_TEXT)
with torch.no_grad():
ref = model.model(input_ids=x["input_ids"], attention_mask=x["attention_mask"],
position_ids=pos, use_cache=False).last_hidden_state[:, -1].numpy()
hidden = ts.run(None, {"input_ids": x["input_ids"].numpy().astype(np.int64)})[0]
zero = np.zeros_like(hidden)
got = run_transform(hidden, (zero, zero, zero), cos.numpy(), sin.numpy())
cos_v = compare("text/onnx-vs-full", got, ref)
return {"case": case, "cos": cos_v, "reference": {
"text": REFERENCE_TEXT,
"text_vector_prefix": [float(v) for v in unit(got[0])[:12]],
"text_norm_raw": float(np.linalg.norm(got[0])),
"dim": int(got.shape[1]),
}}
img = reference_image()
x, _h, _d, cos, sin, _cm, _ = image_inputs(processor, model, img)
# 图像与视频共用同一条后半段(视觉塔 → 按掩码散射 → 语言 Transformer
# 两者的差异只在「视觉图 + 输入张量名 + token 类型 + 视觉 token 数」。
if case == "image":
x, _h, _d, cos, sin, _cm, _ = image_inputs(processor, model, reference_image())
pixels = x["pixel_values"]
visual_path = os.path.join(out_dir, "Vision.onnx")
token_type, want_tokens, name = 1, VISUAL_TOKENS_PER_GROUP, "image"
full_kwargs = {"pixel_values": x["pixel_values"], "image_grid_thw": x["image_grid_thw"]}
prefix_key, norm_key = "image_vector_prefix", "image_norm_raw"
extra: dict[str, object] = {
"image_rgb": list(REFERENCE_IMAGE_RGB),
"image_size": IMAGE_SIZE,
}
elif case.startswith("video_g"):
groups = int(case.split("_g", 1)[1])
x, _h, _d, cos, sin, _cm, _ = image_inputs(processor, model, None, groups=groups)
pixels = x["pixel_values_videos"]
visual_path = os.path.join(out_dir, f"Vision_g{groups}.onnx")
token_type, want_tokens, name = 2, groups * VISUAL_TOKENS_PER_GROUP, case
full_kwargs = {"pixel_values_videos": x["pixel_values_videos"],
"video_grid_thw": x["video_grid_thw"]}
prefix_key, norm_key = "video_vector_prefix", "video_norm_raw"
extra = {
"video_groups": groups,
"video_frame_rgb": [list(c) for c in REFERENCE_VIDEO_RGB[: 2 * groups]],
}
else:
raise SystemExit(f"未知校验用例: {case}")
vs = onnx_session(visual_path)
with torch.no_grad():
ref_img = model.model(input_ids=x["input_ids"], attention_mask=x["attention_mask"],
pixel_values=x["pixel_values"], image_grid_thw=x["image_grid_thw"],
mm_token_type_ids=x["mm_token_type_ids"],
use_cache=False).last_hidden_state[:, -1].numpy()
h_onnx = ts.run(None, {"input_ids": x["input_ids"].numpy().astype(np.int64)})[0]
vo = vs.run(None, {"pixel_values": x["pixel_values"].numpy().astype(np.float32)})
mask = x["mm_token_type_ids"].numpy() == 1
h_onnx = h_onnx.copy()
h_onnx[mask] = vo[3]
ref = model.model(input_ids=x["input_ids"], attention_mask=x["attention_mask"],
mm_token_type_ids=x["mm_token_type_ids"],
use_cache=False, **full_kwargs).last_hidden_state[:, -1].numpy()
hidden = ts.run(None, {"input_ids": x["input_ids"].numpy().astype(np.int64)})[0]
vis = vs.run(None, {"pixel_values": pixels.numpy().astype(np.float32)})
mask = x["mm_token_type_ids"].numpy() == token_type
# 视觉区间长度不对,说明模板/占位符/档位三者有一处错了。单独报错比
# 后面 scatter 抛「形状不符」清楚得多。
if int(mask.sum()) != want_tokens:
raise SystemExit(f"{name}: 视觉 token 数 {int(mask.sum())},期望 {want_tokens}")
hidden = hidden.copy()
hidden[mask] = vis[3]
deep = []
for d in vo[:3]:
full = np.zeros_like(h_onnx)
for d in vis[:3]:
full = np.zeros_like(hidden)
full[mask] = d
deep.append(full)
got = run_transform(h_onnx, tuple(deep), cos.numpy(), sin.numpy())
compare("image/onnx-vs-full", got, ref_img)
reference["image_rgb"] = list(REFERENCE_IMAGE_RGB)
reference["image_size"] = IMAGE_SIZE
reference["image_vector_prefix"] = [float(v) for v in unit(got[0])[:12]]
reference["image_norm_raw"] = float(np.linalg.norm(got[0]))
reference["dim"] = int(got.shape[1])
got = run_transform(hidden, tuple(deep), cos.numpy(), sin.numpy())
cos_v = compare(f"{name}/onnx-vs-full", got, ref)
extra[prefix_key] = [float(v) for v in unit(got[0])[:12]]
extra[norm_key] = float(np.linalg.norm(got[0]))
extra["dim"] = int(got.shape[1])
return {"case": case, "cos": cos_v, "reference": extra}
def verify_onnx(out_dir: str, video_groups, require_video: bool = True, model_dir: str = "") -> dict:
"""逐用例在子进程里校验导出后的 ONNX 图,汇总冻结参考向量。
返回参考向量(供 Go 侧测试冻结使用Go 必须复现同一套预处理与模板,
因此这里把同一输入下的期望向量前若干维导出。
"""
log("校验②:导出后的 ONNX 三段图 vs 完整模型(每个用例一个进程)")
cases = case_list(out_dir, video_groups, require_video)
reference: dict[str, object] = {}
verified: list = []
for case in cases:
# 先把子进程跑完,再决定要不要采它的参考值。
# 历史教训:曾经把「参考只取第一档」写成在调用前 continue
# 结果 video_g3/g4 根本没被校验,而脚本仍然 exit 0 ——
# 一个「通过」的假象比报错危险得多。
res = run_verify_child(case, out_dir, model_dir)
verified.append(case)
log(f" {case}: cos={res['cos']:.9f}")
if case.startswith("video_g") and "video_groups" in reference:
# 参考只取第一档Go 侧回归用一档就够),但这一档本身已经真的校验过。
continue
reference.update(res["reference"])
# 覆盖度必须与计划一致:少跑一个用例就不算校验完成。
if verified != cases:
raise SystemExit(f"校验覆盖不完整:计划 {cases},实际 {verified}")
log(f"校验覆盖 {len(verified)} 个用例: {', '.join(verified)}")
if "dim" not in reference:
raise SystemExit("校验没有产出 dim")
return reference
def case_list(out_dir: str, video_groups, require_video: bool) -> list:
"""要校验的用例列表。视频档缺图时:刚导出完必须报错,校验旧目录则跳过。"""
cases = ["text", "image"]
for groups in video_groups:
path = os.path.join(out_dir, f"Vision_g{groups}.onnx")
if os.path.exists(path):
cases.append(f"video_g{groups}")
elif require_video:
raise SystemExit(f"缺少 {path}--video-groups 包含 {groups} 但未导出)")
else:
log(f"跳过视频档 G={groups}:目录里没有 {os.path.basename(path)}")
return cases
def run_verify_child(case: str, out_dir: str, model_dir: str) -> dict:
"""在子进程里校验一个用例并取回它的参考片段。"""
cmd = [sys.executable, os.path.abspath(__file__), "--out", out_dir, "--verify-case", case]
if model_dir:
cmd += ["--model-dir", model_dir]
log(f" 校验 {case}(独立进程)")
proc = subprocess.run(cmd, capture_output=True, text=True)
if proc.returncode != 0:
out = ((proc.stderr or "") + (proc.stdout or "")).strip().splitlines()
raise SystemExit(f"校验 {case} 失败exit={proc.returncode}:\n" + "\n".join(out[-20:]))
for line in reversed((proc.stdout or "").splitlines()):
if line.startswith(RESULT_PREFIX):
return json.loads(line[len(RESULT_PREFIX):])
raise SystemExit(
f"校验 {case} 的子进程没有输出结果行stdout 末尾: {(proc.stdout or '')[-300:]!r}")
def video_groups_from_config(out_dir: str):
"""读取产物自带的 video_groups读不到则返回 None。
max_length 由 video_groups 推导,而推导结果必须与导出时一致,否则校验
会因截断而报「视觉 token 数不符」。产物自己的 config 是权威来源,
比让调用方记得重传 --video-groups 可靠。
"""
try:
with open(os.path.join(out_dir, "embed_config.json")) as f:
cfg = json.load(f)
except (OSError, ValueError):
return None
groups = cfg.get("video_groups")
if isinstance(groups, list) and groups and all(isinstance(g, int) and g >= 2 for g in groups):
return sorted(groups)
return None
def reference_image():
from PIL import Image
@ -346,7 +543,7 @@ def reference_image():
# ─────────────────────────── 导出 ───────────────────────────
def export_graphs(out_dir: str, model, processor, model_dir: str, transformer) -> None:
def export_graphs(out_dir: str, model, processor, model_dir: str, transformer, video_groups) -> None:
os.makedirs(out_dir, exist_ok=True)
# 清掉旧产物,避免 fingerprint 把死文件算进去(旧图/旧外部权重会让
# 空间指纹变化,触发一次毫无意义的全量重算)。
@ -383,9 +580,10 @@ def export_graphs(out_dir: str, model, processor, model_dir: str, transformer) -
opset_version=17, do_constant_folding=True, dynamo=False,
)
log("导出 Vision.onnx固定 grid 1×48×48")
log("导出 Vision.onnx图像,固定 grid 1×48×48")
grid = torch.tensor([[1, IMAGE_SIZE // PATCH_SIZE, IMAGE_SIZE // PATCH_SIZE]], dtype=torch.long)
pv = x["pixel_values"]
xi, _h, _d, _c, _s, _cm, _p = image_inputs(processor, model, reference_image())
pv = xi["pixel_values"]
with torch.no_grad():
torch.onnx.export(
VisionTower(model.model.visual, grid).eval(), (pv,), os.path.join(out_dir, "Vision.onnx"),
@ -395,13 +593,31 @@ def export_graphs(out_dir: str, model, processor, model_dir: str, transformer) -
opset_version=17, do_constant_folding=True, dynamo=False,
)
# 视频每个时间组数一张图。grid_thw 被 legacy tracer 固化为常量,
# 所以“动态时间轴”不可行(实测导出的图里根本没有 grid_thw 输入);
# 反过来,每档导一张则完全可验证。
for groups in video_groups:
name = f"Vision_g{groups}.onnx"
log(f"导出 {name}(视频,固定 grid {groups}×48×48 ⇒ {2 * groups} 帧)")
vgrid = torch.tensor([[groups, IMAGE_SIZE // PATCH_SIZE, IMAGE_SIZE // PATCH_SIZE]], dtype=torch.long)
vx, _h, _d, _c, _s, _cm, _p = image_inputs(processor, model, None, groups=groups)
vpv = vx["pixel_values_videos"]
with torch.no_grad():
torch.onnx.export(
VisionTower(model.model.visual, vgrid).eval(), (vpv,), os.path.join(out_dir, name),
input_names=["pixel_values"],
output_names=["deepstack_feature_0", "deepstack_feature_1",
"deepstack_feature_2", "vision_hidden_states"],
opset_version=17, do_constant_folding=True, dynamo=False,
)
for name in ("tokenizer.json", "tokenizer_config.json", "chat_template.jinja", "added_tokens.json"):
src = os.path.join(model_dir, name)
if os.path.exists(src):
shutil.copy2(src, os.path.join(out_dir, name))
def write_config(out_dir: str, model, processor) -> None:
def write_config(out_dir: str, model, processor, video_groups) -> None:
cfg = model.config
text_cfg = getattr(cfg, "text_config", cfg)
rope_scaling = getattr(text_cfg, "rope_scaling", None) or {}
@ -424,16 +640,18 @@ def write_config(out_dir: str, model, processor) -> None:
"rope_theta": float(getattr(text_cfg, "rope_theta", 5000000)),
"mrope_section": [int(v) for v in mrope_section],
"num_layers": int(getattr(text_cfg, "num_hidden_layers", 28)),
"supports_native_video": False,
"unsupported_modalities": ["audio", "video"],
"notes": ("视频由上层抽帧后逐帧按图像编码(同模型/同维度/同 fingerprint"
"音频需未来接入真正的统一音频模型。grid_thw 被 legacy tracer 固化为常量,"
"故视觉塔固定 1×48×48详见导出脚本 docstring。"),
"supports_native_video": True,
"video_groups": list(video_groups),
"unsupported_modalities": ["audio"],
"notes": ("视频每个时间组数G各一张 Vision 图:grid_thw 被 legacy tracer "
"固化为常量,无法做成运行时输入;用错档会因维度不符报错。"
"相邻两帧构成一个时间组temporal 槽 tp0←帧2g、tp1←帧2g+1。"
"音频不在 Qwen3-VL 原生模态内(无 audio_token_id需另一模型。"),
}
with open(os.path.join(out_dir, "embed_config.json"), "w") as f:
json.dump(meta, f, ensure_ascii=False, indent=2)
log(f"写出 embed_config.json dim={meta['dim']} rope_theta={meta['rope_theta']} "
f"mrope={meta['mrope_section']}")
f"mrope={meta['mrope_section']} video_groups={meta['video_groups']}")
def main() -> int:
@ -446,9 +664,38 @@ def main() -> int:
ap.add_argument("--no-reference", action="store_true",
help="不写 <out>/qwen_reference.json默认会写Go 测试靠它做冻结回归)")
ap.add_argument("--skip-verify", action="store_true", help="跳过导出后校验(仅调试用,不推荐)")
ap.add_argument("--video-groups", default=",".join(str(g) for g in DEFAULT_VIDEO_GROUPS),
help="逗号分隔的视频时间组数,每档导一张 Vision_g{N}.onnx"
f"(默认 {','.join(str(g) for g in DEFAULT_VIDEO_GROUPS)}"
"G 组合 2G 帧,即默认 4/6/8 帧)")
ap.add_argument("--verify-only", action="store_true",
help="不重新导出,只校验已存在的 <out> 并(重新)写出参考向量")
ap.add_argument("--verify-case", default="",
help=argparse.SUPPRESS) # 内部用:单用例校验子进程
args = ap.parse_args()
try:
video_groups = [int(g) for g in str(args.video_groups).split(",") if str(g).strip()]
except ValueError:
raise SystemExit(f"--video-groups 必须是逗号分隔的整数,得到 {args.video_groups!r}")
if not video_groups or any(g < 2 for g in video_groups):
raise SystemExit("--video-groups 需至少一个 >=2 的整数(单图档是 Vision.onnx不用列")
if args.verify_case or args.verify_only:
cfg_groups = video_groups_from_config(args.out)
if cfg_groups and cfg_groups != video_groups:
log(f"按产物 embed_config.json 使用 video_groups={cfg_groups}(命令行是 {video_groups}")
video_groups = cfg_groups
global MAX_LENGTH
MAX_LENGTH = max_length_for(video_groups)
log(f"max_length={MAX_LENGTH}(按最大档 {max(video_groups)} 组×{VISUAL_TOKENS_PER_GROUP} 推导)")
if args.verify_case:
model_dir = args.model_dir or pull_model(args.model_id, args.model_store)
model, processor = load_model(model_dir)
res = verify_case(args.verify_case, args.out, model, processor)
print(RESULT_PREFIX + json.dumps(res, ensure_ascii=False), flush=True)
return 0
if args.verify_only:
# 校验既有产物目录:既能确认线上在用的图没坏,也能给旧目录补上参考向量。
@ -456,14 +703,7 @@ def main() -> int:
if not os.path.exists(os.path.join(args.out, name)):
raise SystemExit(f"{args.out} 下缺少 {name},无法 --verify-only")
model_dir = args.model_dir or pull_model(args.model_id, args.model_store)
from transformers import AutoProcessor
from transformers.models.qwen3_vl.modeling_qwen3_vl import Qwen3VLForConditionalGeneration
log("加载 processor / model--verify-only")
processor = AutoProcessor.from_pretrained(model_dir, trust_remote_code=True, padding_side="right")
model = Qwen3VLForConditionalGeneration.from_pretrained(
model_dir, dtype=torch.float32, low_cpu_mem_usage=True).eval()
reference = verify_onnx(args.out, model, processor)
reference = verify_onnx(args.out, video_groups, require_video=False, model_dir=model_dir)
if not args.no_reference:
path = os.path.join(args.out, "qwen_reference.json")
with open(path, "w") as f:
@ -480,22 +720,23 @@ def main() -> int:
else:
model_dir = pull_model(args.model_id, args.model_store)
# transformers 只在真正导出时才需要(拉取模型本身只用 huggingface_hub
from PIL import Image # noqa: F401 确保依赖存在并给出清晰报错
from transformers import AutoProcessor
from transformers.models.qwen3_vl.modeling_qwen3_vl import Qwen3VLForConditionalGeneration
# transformers / PIL 只在真正导出时才需要(拉取模型本身只用 huggingface_hub
# 这里提前导入一次,缺依赖时给出清晰报错而不是走到深处才炸。
from PIL import Image # noqa: F401
log("加载 processor / modelFP32CPU")
processor = AutoProcessor.from_pretrained(model_dir, trust_remote_code=True, padding_side="right")
model = Qwen3VLForConditionalGeneration.from_pretrained(
model_dir, dtype=torch.float32, low_cpu_mem_usage=True).eval()
model, processor = load_model(model_dir)
transformer = Transformer(model.model.language_model).eval()
verify_split_torch(model, processor, transformer)
export_graphs(args.out, model, processor, model_dir, transformer)
write_config(args.out, model, processor)
export_graphs(args.out, model, processor, model_dir, transformer, video_groups)
write_config(args.out, model, processor, video_groups)
reference = None if args.skip_verify else verify_onnx(args.out, model, processor)
# 校验在子进程里跑,父进程先把模型释放掉,把内存完全让给子进程。
del transformer, model
gc.collect()
reference = None if args.skip_verify else verify_onnx(args.out, video_groups, model_dir=model_dir)
# 参考写进产物目录本身:这样任何一个 ONNX 目录都自带「它应当给出什么输出」,
# Go 测试无需额外配置就能找到,也不会出现「模型换了、参考还是旧的」的错配。
if reference is not None and not args.no_reference: