fix: use cuda:0 (CUDA_VISIBLE_DEVICES handles GPU mapping), add shell scripts and README

This commit is contained in:
yumoqing 2026-06-14 17:04:22 +08:00
parent e0009da8e7
commit ceb905d3eb
11 changed files with 236 additions and 20 deletions

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README.md Normal file
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# CLIP Embedding Service
CLIP-ViT-H/14 多模态 Embedding 服务,支持文本和图片向量化。
## Overview
- **Model**: laion/CLIP-ViT-H-14-laion2B-s32B-b79K
- **Dimension**: 1024
- **Precision**: float16
- **Port**: 9086
- **GPU**: 2 (default)
## API
### GET /api/status
Service health and GPU info.
### POST /api/text
Text embedding.
```json
{"texts": ["hello world", "a cat"]}
```
### POST /api/image
Image embedding (file path, URL, or base64 data URI).
```json
{"images": ["/path/to/img.jpg", "https://example.com/img.png"]}
```
### POST /api/embed
Combined text + image embedding.
```json
{"texts": ["a cat"], "images": ["/path/to/cat.jpg"]}
```
## Model Download (Offline Deploy)
```bash
pip install huggingface_hub
huggingface-cli download laion/CLIP-ViT-H-14-laion2B-s32B-b79K \
--local-dir /data/ymq/models/laion/CLIP-ViT-H-14-laion2B-s32B-b79K \
--local-dir-use-symlinks False
```
Size: ~15GB
## Deploy
```bash
bash build.sh deploy # start
bash build.sh stop # stop
bash build.sh status # check
```

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829715

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ah.py
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import os
from ahserver.webapp import webapp
if __name__ == '__main__':
webapp()
def init():
pass
if __name__ == '__main__':
webapp(init)

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build.sh Executable file
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#!/bin/bash
set -e
cd "$(dirname "$0")"
SERVICE_NAME="clip_embedding"
PORT=9086
DEFAULT_GPU=2
action="${1:-status}"
case "$action" in
deploy|update)
echo "=== $SERVICE_NAME Deploy ==="
if [ -f ah.pid ] && kill -0 $(cat ah.pid) 2>/dev/null; then
bash stop.sh
sleep 2
fi
if [ -d .git ]; then
echo "Pulling latest code..."
git pull origin master 2>/dev/null || git pull origin main 2>/dev/null || true
fi
export CLIP_GPU_ID="${CLIP_GPU_ID:-$DEFAULT_GPU}"
bash start.sh
sleep 3
if curl -s http://localhost:$PORT/api/status > /dev/null 2>&1; then
echo "Service is healthy on port $PORT"
curl -s http://localhost:$PORT/api/status | python3 -m json.tool 2>/dev/null || true
else
echo "WARNING: Service may not be ready yet. Check nohup.out"
fi
;;
stop)
bash stop.sh
;;
start)
export CLIP_GPU_ID="${CLIP_GPU_ID:-$DEFAULT_GPU}"
bash start.sh
;;
status)
echo "=== $SERVICE_NAME Status ==="
if [ -f ah.pid ] && kill -0 $(cat ah.pid) 2>/dev/null; then
echo "Process: running (PID $(cat ah.pid))"
else
echo "Process: not running"
fi
echo "Port: $PORT"
echo "GPU: ${CLIP_GPU_ID:-$DEFAULT_GPU}"
if curl -s --max-time 3 http://localhost:$PORT/api/status > /dev/null 2>&1; then
echo "HTTP: OK"
curl -s http://localhost:$PORT/api/status | python3 -m json.tool 2>/dev/null || true
else
echo "HTTP: not responding"
fi
;;
*)
echo "Usage: $0 {deploy|update|stop|start|status}"
exit 1
;;
esac

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{
password_key: ClipEmbedding2026Key,
databases: {},
session_redis: {
host: 127.0.0.1,
port: 6379,
db: 1
"password_key": "ClipEmbedding2026Key",
"databases": {},
"session_redis": {
"host": "127.0.0.1",
"port": 6379,
"db": 1
},
website: {
paths: [
[0$/app, ]
"website": {
"paths": [
["$[workdir]$/app", ""]
],
host: 0.0.0.0,
port: 9086,
coding: utf-8,
indexes: [index.html, index.dspy],
processors: [
[.dspy, dspy]
"host": "0.0.0.0",
"port": 9086,
"coding": "utf-8",
"indexes": ["index.html", "index.dspy"],
"processors": [
[".dspy", "dspy"]
]
},
hot_reload: false
"hot_reload": false
}

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2026-06-14 17:03:26.974[webapp][debug][/data/ymq/wan22-service/py3/lib/python3.10/site-packages/ahserver/configuredServer.py:40]client_max_size=1024000000
reuse_port= True
======== Running on http://0.0.0.0:9086 ========
(Press CTRL+C to quit)
Using a slow image processor as `use_fast` is unset and a slow processor was saved with this model. `use_fast=True` will be the default behavior in v4.52, even if the model was saved with a slow processor. This will result in minor differences in outputs. You'll still be able to use a slow processor with `use_fast=False`.
[CLIP] Model loaded on cuda:0, dtype=float16
2026-06-14 17:03:40.976[webapp][debug][/data/ymq/wan22-service/py3/lib/python3.10/site-packages/ahserver/auth_api.py:178]timecost=client(127.0.0.1) None access /api/text cost 4.946, (0.000)

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start.sh Executable file
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#!/bin/bash
cd "$(dirname "$0")"
export CLIP_GPU_ID="${CLIP_GPU_ID:-2}"
export CUDA_VISIBLE_DEVICES="$CLIP_GPU_ID"
export PYTHONPATH="$(pwd)"
if [ -f ah.pid ] && kill -0 $(cat ah.pid) 2>/dev/null; then
echo "Service already running (PID $(cat ah.pid))"
exit 1
fi
echo "Starting CLIP Embedding Service on GPU $CLIP_GPU_ID, port 9086..."
nohup /data/ymq/wan22-service/py3/bin/python ah.py > nohup.out 2>&1 &
echo $! > ah.pid
echo "Started (PID $(cat ah.pid))"
sleep 2
if kill -0 $(cat ah.pid) 2>/dev/null; then
echo "Service is running"
else
echo "Service failed to start. Check nohup.out"
tail -20 nohup.out
exit 1
fi

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#!/bin/bash
cd "$(dirname "$0")"
if [ -f ah.pid ]; then
PID=$(cat ah.pid)
if kill -0 $PID 2>/dev/null; then
kill $PID
echo "Stopped (PID $PID)"
else
echo "Process $PID not running"
fi
rm -f ah.pid
else
echo "No ah.pid found"
fi

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# -*- coding:utf-8 -*-
CLIP ViT-H/14 lazy-loading wrapper.
"""CLIP ViT-H/14 lazy-loading wrapper."""
import os
import torch
import numpy as np
from PIL import Image
from io import BytesIO
import base64
import urllib.request
MODEL_PATH = '/data/ymq/models/laion/CLIP-ViT-H-14-laion2B-s32B-b79K'
_model = None
_processor = None
_device = None
def _load():
global _model, _processor, _device
if _model is not None:
return
# CUDA_VISIBLE_DEVICES is set in start.sh, so GPU 0 in visible devices is our target
_device = torch.device('cuda:0' if torch.cuda.is_available() else 'cpu')
from transformers import CLIPModel, CLIPProcessor
_processor = CLIPProcessor.from_pretrained(MODEL_PATH)
_model = CLIPModel.from_pretrained(MODEL_PATH, torch_dtype=torch.float16)
_model = _model.to(_device)
_model.eval()
print(f'[CLIP] Model loaded on {_device}, dtype=float16')
def embed_texts(texts):
_load()
inputs = _processor(text=texts, return_tensors='pt', padding=True, truncation=True, max_length=77)
inputs = {k: v.to(_device) for k, v in inputs.items()}
with torch.no_grad():
outputs = _model.get_text_features(**inputs)
outputs = outputs / outputs.norm(dim=-1, keepdim=True)
return outputs.cpu().float().numpy().tolist()
def _load_image(src):
if src.startswith('data:'):
_, b64 = src.split(',', 1)
return Image.open(BytesIO(base64.b64decode(b64))).convert('RGB')
elif src.startswith('http://') or src.startswith('https://'):
with urllib.request.urlopen(src, timeout=30) as resp:
return Image.open(BytesIO(resp.read())).convert('RGB')
else:
return Image.open(src).convert('RGB')
def embed_images(sources):
_load()
images = [_load_image(s) for s in sources]
inputs = _processor(images=images, return_tensors='pt')
inputs = {k: v.to(_device) for k, v in inputs.items()}
with torch.no_grad():
outputs = _model.get_image_features(**inputs)
outputs = outputs / outputs.norm(dim=-1, keepdim=True)
return outputs.cpu().float().numpy().tolist()