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1. Shut down the Server (see Shutting down a Server).
   

   Note
   title Attention!
   If the system uses the software running on GPU, it is necessary to stop its operation.

   
   

2. Create the GPU_CACHE_DIR system variable (see Appendix 10. Creating system variable). Specify in the Variable value field the path to the cache location with an arbitrary folder name. For example, D:\AN_GPU_caсhecache.
   

   Info
   title Note
   The cache of all detection tools and neural networks will be stored in the specified directory.

   
   

3. Run the command line as administrator.

4. Open the C:\Program Files\Common Files\AxxonSoft\DetectorPack\TvaFaceGpuCacheGenerator.exe file (1) in the command line.
   

   Note
   title Attention!
   TvaFaceGpuCacheGenerator.exe requires at least 1.4 GB of free video memory to run on GPU.

   
   

5. Specify the ID of the required GPU (2, see General Information on Configuring Detection).
   

6. If you want to change the resolution of the video stream for Face detection, you should enter y (3) and specify the required resolution (4).
   

   Info
   title Note
   GPU uses the default video stream resolutions. Changing the resolution of the video stream will increase the percentage of face detection when using the resolutions from 1920*1080 and higher.

   
   

7.  Press Enter. The cache creation process will start. It will take about 20 minutes. The cache creation was successful, if the result value is “0”. 
   

Optimization of Face detection on GPU is complete.

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