EfficientNet-B0 示例

此文档讲述使用 QAI AppBuilder Python API 利用 Qualcomm® Hexagon™ Processor (NPU) 推理 EfficientNet-B0 目标识别模型。

示例支持设备

设备	SoC
Dragon Q6A	QCS6490
Dragon Q8B	SC8280XP

安装 QAI AppBuilder

提示

1. 请根据 QAI AppBuilder 安装方法 安装 QAI AppBuilder。

2. 请根据 创建 ADSP 环境变量 配置 ADSP 环境变量。

运行示例

安装依赖

Device

pip3 install requests tqdm qai-hub py3_wget opencv-python torch torchvision

运行脚本

• 进入示例目录

  QCS6490

  Device

  cd ai-engine-direct-helper/samples/linux/python

  SC8280XP

  Device

  cd ai-engine-direct-helper/samples/linux/python

• 准备输入图片，这里以以下图片为输入示例

  

  input image

• 执行推理

  Device

  python3 efficientnet_b0/efficientnet_b0.py

  $ python3 efficientnet_b0/efficientnet_b0.py
  Current file directory: /mnt/ssd/qualcomm/701/zzf_fork/ai-engine-direct-helper/samples/linux/python/efficientnet_b0
       0.0ms [WARNING]  <W> Initializing HtpProvider
  
  /prj/qct/webtech_scratch20/mlg_user_admin/qaisw_source_repo/rel/qairt-2.37.1/point_release/SNPE_SRC/avante-tools/prebuilt/dsp/hexagon-sdk-5.4.0/ipc/fastrpc/rpcmem/src/rpcmem_android.c:38:dummy call to rpcmem_init, rpcmem APIs will be used from libxdsprpc
       0.0ms [WARNING]  <W> This META does not have Alloc2 Support
  
       0.0ms [WARNING]  <W> This META does not have Alloc2 Support
  
       0.0ms [WARNING]  <W> This META does not have Alloc2 Support
  
       0.0ms [WARNING]  <W> This META does not have Alloc2 Support
  
     122.3ms [WARNING] Time: Read model file to memory. 5.33
  
       0.0ms [WARNING]  <W> This META does not have Alloc2 Support
  
       0.0ms [WARNING]  <W> This META does not have Alloc2 Support
  
       0.0ms [WARNING]  <W> This META does not have Alloc2 Support
  
       0.0ms [WARNING]  <W> This META does not have Alloc2 Support
  
       0.0ms [WARNING]  <W> This META does not have Alloc2 Support
  
       0.0ms [WARNING]  <W> This META does not have Alloc2 Support
  
       0.0ms [WARNING]  <W> This META does not have Alloc2 Support
  
     143.3ms [WARNING] Time: contextCreateFromBinary. 20.87
  
     143.3ms [WARNING] Time: UnmapViewOfFile. 0.00
  
     143.7ms [WARNING] Time: model_initialize efficientnet_b0 143.64
  
     214.6ms [WARNING] Time: model_inference efficientnet_b0 6.08
  
  Top 5 predictions for image:
  
  Samoyed 0.6965298057
  Pomeranian 0.1052966565
  keeshond 0.0131986532
  Eskimo dog 0.0075131184
  Arctic fox 0.0056676473
       0.0ms [WARNING]  <W> This META does not have Alloc2 Support
  
       0.0ms [WARNING]  <W> This META does not have Alloc2 Support
  
       0.0ms [WARNING]  <W> This META does not have Alloc2 Support
  
       0.0ms [WARNING]  <W> This META does not have Alloc2 Support
  
  /prj/qct/webtech_scratch20/mlg_user_admin/qaisw_source_repo/rel/qairt-2.37.1/point_release/SNPE_SRC/avante-tools/prebuilt/dsp/hexagon-sdk-5.4.0/ipc/fastrpc/rpcmem/src/rpcmem_android.c:42:dummy call to rpcmem_deinit, rpcmem APIs will be used from libxdsprpc
     235.9ms [WARNING] Time: model_destroy efficientnet_b0 18.66

  打印结果可以看到 Samoyed 置信度最高，这与输入图片内容吻合。