public GlobalContext()
{
Log.EnsureBlankLine();
Log.WriteLine("Acquiring number of CUDA-capable devices...");
var deviceCount = cuDeviceGetCount();
Log.WriteLine("{0} device(s) found.", cuDeviceGetCount());
(deviceCount > 0).AssertTrue();
Log.EnsureBlankLine();
Log.WriteLine("Accessing device #0...");
var device = CudaDevice.First;
Log.WriteLine("Success.");
Log.EnsureBlankLine();
Log.WriteLine(device);
Log.EnsureBlankLine();
Log.WriteLine("Creating CUDA context for device #0...");
_handle = cuCtxCreate(CUctx_flags.None, device.Handle);
Log.WriteLine("Success.");
}
private static void cuCtxDestroy(CUcontext ctx)
{
Wrap(() =>
{
try
{
var error = nativeCtxDestroy(ctx);
if (error != CUresult.CUDA_SUCCESS) throw new CudaException(error);
}
catch (CudaException)
{
throw;
}
catch (DllNotFoundException dnfe)
{
throw new CudaException(CudaError.NoDriver, dnfe);
}
catch (Exception e)
{
throw new CudaException(CudaError.Unknown, e);
}
});
}
public bool Equals(CUcontext other) { return other.Handle.Equals(Handle); }
// http://developer.download.nvidia.com/compute/cuda/3_1/toolkit/docs/online/group__CUCTX_g23bf81c24c28be3495fec41146f9e025.html private static extern CUresult nativeCtxDestroy(CUcontext ctx);
// http://developer.download.nvidia.com/compute/cuda/3_1/toolkit/docs/online/group__CUCTX_g02b31a192b32043c0787696292f1ffbe.html private static extern CUresult nativeCtxCreate(out CUcontext pctx, CUctx_flags flags, CUdevice dev);
public bool Equals(CUcontext other)
{
return(other.Handle.Equals(Handle));
}