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1. Stop the server (see Stopping the server).
   

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

2. Create the GPU_CACHE_DIR system variable (see Appendix 9. Creating system variable). In the Variable value field, specify the path to the cache location in Latin characters only. For example, D:\GPU_cache. The specified directory will store the cache for all used detectors and neural networks.
   

3. Run the command line as administrator.

4. To call the utility, enter in the command line: C:\Program Files\Common Files\AxxonSoft\DetectorPack\VaFaceGpuCacheGenerator.exe.
   

   Info
   title Note
   Starting with Detector Pack 3.14, if necessary, you can enter a query specifying the required resolution of the video stream in XxX or [XxX ...] format, for example: Code Block C:\Program Files\Common Files\AxxonSoft\DetectorPack\ TvaFaceGpuCacheGenerator VaFaceGpuCacheGenerator.exe -r 3840×2160 1280x720 2688×1520 In this case, you don't need to specify further specify further the resolution of the video stream. To get help information, you can enter a query in the command line: Code Block C:\Program Files\Common Files\AxxonSoft\DetectorPack\VaFaceGpuCacheGenerator.exe --help

5. Press Enter.

6. Specify the ID of the required GPU (see Selecting Nvidia GPU when configuring detectors).

7. Press Enter.
   

8. If you want to change the resolution of the video stream for the Face detector VA:

   1. Enter y.

   2. Specify the required resolution. For example, 3840×2160 2688×1520. The GPU uses the default video stream resolutions. Changing the resolution of the video stream from 1920*1080 and higher increases the percentage of face detection.
      

9. If you don't want to change the resolution of the video stream for the Face detector VA, enter n. 

10. Press Enter. The cache creation process starts. The cache creation is successful if the result value is "0".
    

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