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chenxwh 2024-12-29 15:56:24 +00:00
parent a8341f36dd
commit 1c102ea1de
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<a href="LICENSE-MODEL">
<img alt="Model License" src="https://img.shields.io/badge/Model_License-Model_Agreement-f5de53?&color=f5de53">
</a>
<a href="https://replicate.com/chenxwh/deepseek-vl2" target="_blank">
<img src=https://replicate.com/chenxwh/deepseek-vl2/badge/>
</a>
</div>

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cog.yaml Normal file
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# Configuration for Cog ⚙️
# Reference: https://cog.run/yaml
build:
# set to true if your model requires a GPU
gpu: true
# a list of ubuntu apt packages to install
system_packages:
- "libgl1-mesa-glx"
- "libglib2.0-0"
# python version in the form '3.11' or '3.11.4'
python_version: "3.11"
# a list of packages in the format <package-name>==<version>
python_packages:
- torch==2.4.0
- transformers<4.42
- numpy
- gradio==3.48.0
- timm>=0.9.16
- accelerate
- sentencepiece
- attrdict
- einops
- xformers
- ipython
- joblib
- mdtex2html
# commands run after the environment is setup
run:
- pip install -U flash-attn --no-build-isolation
- curl -o /usr/local/bin/pget -L "https://github.com/replicate/pget/releases/download/v0.6.0/pget_linux_x86_64" && chmod +x /usr/local/bin/pget
predict: "predict.py:Predictor"

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predict.py Normal file
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# Prediction interface for Cog ⚙️
# https://cog.run/python
import os
import subprocess
import time
from typing import Optional
from cog import BasePredictor, Input, Path, BaseModel
import torch
from PIL import Image
from deepseek_vl2.serve.app_modules.utils import parse_ref_bbox
from deepseek_vl2.serve.inference import (
convert_conversation_to_prompts,
load_model,
)
from web_demo import generate_prompt_with_history
MODEL_CACHE = "model_cache"
MODEL_URL = f"https://weights.replicate.delivery/default/deepseek-ai/deepseek-vl2-small/model_cache.tar"
def download_weights(url, dest):
start = time.time()
print("downloading url: ", url)
print("downloading to: ", dest)
subprocess.check_call(["pget", "-x", url, dest], close_fds=False)
print("downloading took: ", time.time() - start)
class ModelOutput(BaseModel):
img_out: Optional[Path]
text_out: str
class Predictor(BasePredictor):
def setup(self) -> None:
"""Load the model into memory to make running multiple predictions efficient"""
if not os.path.exists(MODEL_CACHE):
print("downloading")
download_weights(MODEL_URL, MODEL_CACHE)
self.dtype = torch.bfloat16
self.tokenizer, self.vl_gpt, self.vl_chat_processor = load_model(
f"{MODEL_CACHE}/deepseek-ai/deepseek-vl2-small", dtype=self.dtype
)
def predict(
self,
text: str = Input(
description="Input text.",
default="Describe this image.",
),
image1: Path = Input(description="First image"),
image2: Path = Input(
description="Optional, second image for multiple images image2text",
default=None,
),
image3: Path = Input(
description="Optional, third image for multiple images image2text",
default=None,
),
max_new_tokens: int = Input(
description="The maximum numbers of tokens to generate",
le=4096,
ge=0,
default=2048,
),
temperature: float = Input(
description="The value used to modulate the probabilities of the next token. Set the temperature to 0 for deterministic generation",
default=0.1,
),
top_p: float = Input(
description="If set to float < 1, only the smallest set of most probable tokens with probabilities that add up to top_p or higher are kept for generation.",
default=0.9,
),
repetition_penalty: float = Input(
description="Repetition penalty", le=2, ge=0, default=1.1
),
) -> ModelOutput:
"""Run a single prediction on the model"""
pil_images = [
Image.open(str(img)).convert("RGB")
for img in [image1, image2, image3]
if img
]
conversation = generate_prompt_with_history(
text,
pil_images,
None,
self.vl_chat_processor,
self.tokenizer,
max_length=4096,
)
all_conv, _ = convert_conversation_to_prompts(conversation)
print(all_conv)
prepare_inputs = self.vl_chat_processor(
conversations=all_conv,
images=pil_images,
force_batchify=True,
).to(self.vl_gpt.device, dtype=self.dtype)
with torch.no_grad():
inputs_embeds, past_key_values = self.vl_gpt.incremental_prefilling(
input_ids=prepare_inputs.input_ids,
images=prepare_inputs.images,
images_seq_mask=prepare_inputs.images_seq_mask,
images_spatial_crop=prepare_inputs.images_spatial_crop,
attention_mask=prepare_inputs.attention_mask,
)
outputs = self.vl_gpt.generate(
inputs_embeds=inputs_embeds,
input_ids=prepare_inputs.input_ids,
images=prepare_inputs.images,
images_seq_mask=prepare_inputs.images_seq_mask,
images_spatial_crop=prepare_inputs.images_spatial_crop,
attention_mask=prepare_inputs.attention_mask,
past_key_values=past_key_values,
pad_token_id=self.tokenizer.eos_token_id,
bos_token_id=self.tokenizer.bos_token_id,
eos_token_id=self.tokenizer.eos_token_id,
max_new_tokens=max_new_tokens,
use_cache=True,
do_sample=temperature > 0,
temperature=temperature,
top_p=top_p,
repetition_penalty=repetition_penalty,
)
answer = self.tokenizer.decode(
outputs[0][len(prepare_inputs.input_ids[0]) :].cpu().tolist(),
skip_special_tokens=False,
)
vg_image = parse_ref_bbox(answer, image=pil_images[-1])
out_img = "out.png"
if vg_image is not None:
vg_image.save(out_img, format="JPEG", quality=85)
return ModelOutput(
text_out=answer, img_out=Path(out_img) if vg_image is not None else None
)