private void Initialize(string configurationFilename, string weightsFilename, string namesFilename, int gpu = 0, bool ignoreGpu = false)
{
if (IntPtr.Size != 8)
{
throw new NotSupportedException("Only 64-bit processes are supported");
}
this.EnvironmentReport = this.GetEnvironmentReport();
if (!this.EnvironmentReport.MicrosoftVisualCPlusPlus2017RedistributableExists)
{
throw new DllNotFoundException("Microsoft Visual C++ 2017 Redistributable (x64)");
}
this.DetectionSystem = DetectionSystem.CPU;
if (!ignoreGpu && this.EnvironmentReport.CudaExists && this.EnvironmentReport.CudnnExists)
{
this.DetectionSystem = DetectionSystem.GPU;
}
switch (this.DetectionSystem)
{
case DetectionSystem.CPU:
InitializeYoloCpu(configurationFilename, weightsFilename, 0);
break;
case DetectionSystem.GPU:
var deviceCount = GetDeviceCount();
if (deviceCount == 0)
{
throw new NotSupportedException("No graphic device is available");
}
if (gpu > (deviceCount - 1))
{
throw new IndexOutOfRangeException("Graphic device index is out of range");
}
var deviceName = new StringBuilder(); //allocate memory for string
GetDeviceName(gpu, deviceName);
this.EnvironmentReport.GraphicDeviceName = deviceName.ToString();
InitializeYoloGpu(configurationFilename, weightsFilename, gpu);
break;
}
var lines = File.ReadAllLines(namesFilename);
for (var i = 0; i < lines.Length; i++)
{
this._objectType.Add(i, lines[i]);
}
}
private EnvironmentReport GetEnvironmentReport()
{
var report = new EnvironmentReport();
report.MicrosoftVisualCPlusPlus2017RedistributableExists = this.IsMicrosoftVisualCPlusPlus2017Available();
if (File.Exists(path + @"\yoloData\x64\cudnn64_7.dll"))
{
report.CudnnExists = true;
}
var envirormentVariables = Environment.GetEnvironmentVariables(EnvironmentVariableTarget.Machine);
if (envirormentVariables.Contains("CUDA_PATH"))
{
report.CudaExists = true;
}
return(report);
}