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| 1 |
+
# TRT 加速检测器性能对比实验
|
| 2 |
+
|
| 3 |
+
本模块用于对比 DeCLIP (csa模式) 和 CLIP (vanilla模式) 在 TensorRT 加速前后的速度和精度。
|
| 4 |
+
|
| 5 |
+
## 目录结构
|
| 6 |
+
|
| 7 |
+
```
|
| 8 |
+
detection_trt/
|
| 9 |
+
├── README.md # 本文档
|
| 10 |
+
├── install_mmdeploy.sh # MMDeploy 安装脚本
|
| 11 |
+
├── configs/
|
| 12 |
+
│ ├── __init__.py
|
| 13 |
+
│ ├── fvit_tensorrt_fp16.py # TRT FP16 部署配置
|
| 14 |
+
│ └── custom_modules.py # 自定义模块注册 (ONNX 导出适配)
|
| 15 |
+
├── convert_model.py # 模型转换脚本 (PyTorch -> ONNX -> TRT)
|
| 16 |
+
├── benchmark_speed.py # 速度测试脚本
|
| 17 |
+
├── eval_panoptic.py # COCO Panoptic 评估脚本
|
| 18 |
+
├── run_all.sh # 一键运行脚本
|
| 19 |
+
├── engines/ # TRT 引擎输出目录
|
| 20 |
+
└── results/ # 评估结果输出目录
|
| 21 |
+
```
|
| 22 |
+
|
| 23 |
+
## 实验矩阵
|
| 24 |
+
|
| 25 |
+
| 模型 | Backbone Mode | 推理后端 | 精度 | COCO Panoptic | 速度 |
|
| 26 |
+
|------|---------------|----------|------|---------------|------|
|
| 27 |
+
| CLIP | vanilla | PyTorch FP32 | 测试 | 测试 | 测试 |
|
| 28 |
+
| CLIP | vanilla | PyTorch FP16 | 测试 | 测试 | 测试 |
|
| 29 |
+
| CLIP | vanilla | TRT-FP16 | 测试 | 测试 | 测试 |
|
| 30 |
+
| DeCLIP | csa | PyTorch FP32 | 测试 | 测试 | 测试 |
|
| 31 |
+
| DeCLIP | csa | PyTorch FP16 | 测试 | 测试 | 测试 |
|
| 32 |
+
| DeCLIP | csa | TRT-FP16 | 测试 | 测试 | 测试 |
|
| 33 |
+
|
| 34 |
+
## 依赖安装
|
| 35 |
+
|
| 36 |
+
### 1. 基础依赖
|
| 37 |
+
|
| 38 |
+
```bash
|
| 39 |
+
pip install onnx onnxruntime onnx-simplifier
|
| 40 |
+
```
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| 41 |
+
|
| 42 |
+
### 2. TensorRT
|
| 43 |
+
|
| 44 |
+
TensorRT 需要与 CUDA 版本匹配:
|
| 45 |
+
|
| 46 |
+
```bash
|
| 47 |
+
# CUDA 12.x
|
| 48 |
+
pip install tensorrt
|
| 49 |
+
|
| 50 |
+
# 或者从 NVIDIA 官网下载安装
|
| 51 |
+
# https://developer.nvidia.com/tensorrt
|
| 52 |
+
```
|
| 53 |
+
|
| 54 |
+
### 3. PyCUDA (TRT 推理需要)
|
| 55 |
+
|
| 56 |
+
```bash
|
| 57 |
+
pip install pycuda
|
| 58 |
+
```
|
| 59 |
+
|
| 60 |
+
### 4. MMDeploy (可选)
|
| 61 |
+
|
| 62 |
+
```bash
|
| 63 |
+
bash install_mmdeploy.sh
|
| 64 |
+
```
|
| 65 |
+
|
| 66 |
+
## 快速开始
|
| 67 |
+
|
| 68 |
+
### 一键运行
|
| 69 |
+
|
| 70 |
+
```bash
|
| 71 |
+
cd detection_trt
|
| 72 |
+
bash run_all.sh
|
| 73 |
+
```
|
| 74 |
+
|
| 75 |
+
### 分步运行
|
| 76 |
+
|
| 77 |
+
#### 1. 模型转换
|
| 78 |
+
|
| 79 |
+
```bash
|
| 80 |
+
# 转换 CLIP (vanilla 模式)
|
| 81 |
+
python convert_model.py \
|
| 82 |
+
--model-type clip \
|
| 83 |
+
--mode vanilla \
|
| 84 |
+
--checkpoint /path/to/EVA02_CLIP_B_psz16_s8B.pt \
|
| 85 |
+
--image-size 560 \
|
| 86 |
+
--fp16 \
|
| 87 |
+
--verify
|
| 88 |
+
|
| 89 |
+
# 转换 DeCLIP (csa 模式)
|
| 90 |
+
python convert_model.py \
|
| 91 |
+
--model-type declip \
|
| 92 |
+
--mode csa \
|
| 93 |
+
--checkpoint /path/to/EVA02_CLIP_B_psz16_s8B.pt \
|
| 94 |
+
--image-size 560 \
|
| 95 |
+
--fp16 \
|
| 96 |
+
--verify
|
| 97 |
+
```
|
| 98 |
+
|
| 99 |
+
#### 2. 速度测试
|
| 100 |
+
|
| 101 |
+
```bash
|
| 102 |
+
# PyTorch 速度测试
|
| 103 |
+
python benchmark_speed.py \
|
| 104 |
+
--pytorch-model /path/to/checkpoint.pt \
|
| 105 |
+
--mode csa \
|
| 106 |
+
--image-size 560 560
|
| 107 |
+
|
| 108 |
+
# TensorRT 速度测试
|
| 109 |
+
python benchmark_speed.py \
|
| 110 |
+
--trt-engine engines/declip_csa_560_fp16.engine \
|
| 111 |
+
--mode csa \
|
| 112 |
+
--image-size 560 560
|
| 113 |
+
```
|
| 114 |
+
|
| 115 |
+
#### 3. 精度评估
|
| 116 |
+
|
| 117 |
+
```bash
|
| 118 |
+
# PyTorch 精度评估
|
| 119 |
+
python eval_panoptic.py \
|
| 120 |
+
--backend pytorch \
|
| 121 |
+
--checkpoint /path/to/checkpoint.pt \
|
| 122 |
+
--mode csa \
|
| 123 |
+
--coco-root /path/to/coco
|
| 124 |
+
|
| 125 |
+
# TensorRT 精度评估
|
| 126 |
+
python eval_panoptic.py \
|
| 127 |
+
--backend tensorrt \
|
| 128 |
+
--engine engines/declip_csa_560_fp16.engine \
|
| 129 |
+
--mode csa \
|
| 130 |
+
--coco-root /path/to/coco
|
| 131 |
+
```
|
| 132 |
+
|
| 133 |
+
## 配置说明
|
| 134 |
+
|
| 135 |
+
### fvit_tensorrt_fp16.py
|
| 136 |
+
|
| 137 |
+
主要配置项:
|
| 138 |
+
|
| 139 |
+
```python
|
| 140 |
+
# TRT 后端配置
|
| 141 |
+
backend_config = dict(
|
| 142 |
+
type='tensorrt',
|
| 143 |
+
common_config=dict(fp16_mode=True),
|
| 144 |
+
model_inputs=[dict(input_shapes=dict(...))]
|
| 145 |
+
)
|
| 146 |
+
|
| 147 |
+
# EVA-CLIP 特定配置
|
| 148 |
+
evaclip_config = dict(
|
| 149 |
+
model_name='EVA02-CLIP-B-16',
|
| 150 |
+
image_size=560,
|
| 151 |
+
feature_mode='csa', # 或 'vanilla'
|
| 152 |
+
disable_xformers=True, # ONNX 导出需要禁用
|
| 153 |
+
)
|
| 154 |
+
```
|
| 155 |
+
|
| 156 |
+
### custom_modules.py
|
| 157 |
+
|
| 158 |
+
处理 EVA-CLIP 的 ONNX 导出兼容性:
|
| 159 |
+
|
| 160 |
+
1. **Attention.forward**: 禁用 xformers,使用标准 attention
|
| 161 |
+
2. **Attention.ss_attn**: 处理 DeCLIP 的 csa 模式
|
| 162 |
+
3. **encode_dense**: 简化推理逻辑
|
| 163 |
+
|
| 164 |
+
## 输出说明
|
| 165 |
+
|
| 166 |
+
### 速度测试结果
|
| 167 |
+
|
| 168 |
+
```json
|
| 169 |
+
{
|
| 170 |
+
"model_name": "EVA02-CLIP-B-16",
|
| 171 |
+
"mode": "csa",
|
| 172 |
+
"backend": "tensorrt",
|
| 173 |
+
"precision": "fp16",
|
| 174 |
+
"image_size": [560, 560],
|
| 175 |
+
"batch_size": 1,
|
| 176 |
+
"latency_mean_ms": 12.5,
|
| 177 |
+
"latency_std_ms": 0.3,
|
| 178 |
+
"throughput_fps": 80.0
|
| 179 |
+
}
|
| 180 |
+
```
|
| 181 |
+
|
| 182 |
+
### 精度评估结果
|
| 183 |
+
|
| 184 |
+
```json
|
| 185 |
+
{
|
| 186 |
+
"model_name": "EVA02-CLIP-B-16",
|
| 187 |
+
"mode": "csa",
|
| 188 |
+
"backend": "pytorch",
|
| 189 |
+
"rois_thing_macc1": 0.75,
|
| 190 |
+
"rois_thing_macc5": 0.92,
|
| 191 |
+
"rois_stuff_macc1": 0.68,
|
| 192 |
+
"rois_stuff_macc5": 0.88
|
| 193 |
+
}
|
| 194 |
+
```
|
| 195 |
+
|
| 196 |
+
## 关键技术点
|
| 197 |
+
|
| 198 |
+
### 1. ONNX 导出适配
|
| 199 |
+
|
| 200 |
+
EVA-CLIP 使用了一些不兼容 ONNX 的操作:
|
| 201 |
+
|
| 202 |
+
- **xformers**: 需要禁用,使用标准 PyTorch attention
|
| 203 |
+
- **RoPE 位置编码**: 需要处理动态形状
|
| 204 |
+
- **环境变量检查**: 需要移除 `os.getenv()` 调用
|
| 205 |
+
|
| 206 |
+
### 2. 动态形状支持
|
| 207 |
+
|
| 208 |
+
TRT 引擎支持动态输入尺寸:
|
| 209 |
+
|
| 210 |
+
```python
|
| 211 |
+
profile.set_shape(input_name,
|
| 212 |
+
min_shape=(1, 3, 560, 560),
|
| 213 |
+
opt_shape=(1, 3, 560, 560),
|
| 214 |
+
max_shape=(1, 3, 800, 1333)
|
| 215 |
+
)
|
| 216 |
+
```
|
| 217 |
+
|
| 218 |
+
### 3. 精度对齐
|
| 219 |
+
|
| 220 |
+
TRT 转换后需要验证输出与 PyTorch 一致:
|
| 221 |
+
|
| 222 |
+
- FP32: 误差 < 1e-5
|
| 223 |
+
- FP16: 误差 < 1e-3
|
| 224 |
+
|
| 225 |
+
## 常见问题
|
| 226 |
+
|
| 227 |
+
### Q1: ONNX 导��失败
|
| 228 |
+
|
| 229 |
+
检查是否禁用了 xformers:
|
| 230 |
+
|
| 231 |
+
```python
|
| 232 |
+
from configs.custom_modules import disable_xformers_for_export
|
| 233 |
+
model = disable_xformers_for_export(model)
|
| 234 |
+
```
|
| 235 |
+
|
| 236 |
+
### Q2: TRT 构建失败
|
| 237 |
+
|
| 238 |
+
1. 检查 CUDA/TensorRT 版本匹配
|
| 239 |
+
2. 增加 workspace 大小: `--workspace 8`
|
| 240 |
+
3. 检查输入形状是否合理
|
| 241 |
+
|
| 242 |
+
### Q3: 精度下降明显
|
| 243 |
+
|
| 244 |
+
1. 检查是否正确加载了模型权重
|
| 245 |
+
2. 尝试使用 FP32 精度进行对比
|
| 246 |
+
3. 检查输入预处理是否一致
|
| 247 |
+
|
| 248 |
+
## 参考
|
| 249 |
+
|
| 250 |
+
- [MMDeploy 文档](https://mmdeploy.readthedocs.io/)
|
| 251 |
+
- [TensorRT 文档](https://docs.nvidia.com/deeplearning/tensorrt/)
|
| 252 |
+
- [EVA-CLIP 代码](https://github.com/baaivision/EVA)
|
| 253 |
+
- [DeCLIP 论文](https://arxiv.org/)
|