public static String cuDeviceGetName(CUdevice dev)
{
return Wrap(() =>
{
try
{
var deviceName_buf = new StringBuilder { Capacity = 255 };
var error = nativeDeviceGetName(deviceName_buf, deviceName_buf.Capacity, dev);
if (error != CUresult.CUDA_SUCCESS) throw new CudaException(error);
return deviceName_buf.ToString();
}
catch (CudaException)
{
throw;
}
catch (DllNotFoundException dnfe)
{
throw new CudaException(CudaError.NoDriver, dnfe);
}
catch (Exception e)
{
throw new CudaException(CudaError.Unknown, e);
}
});
}
private static CUcontext cuCtxCreate(CUctx_flags flags, CUdevice dev)
{
return Wrap(() =>
{
try
{
CUcontext ctx;
var error = nativeCtxCreate(out ctx, flags, dev);
if (error != CUresult.CUDA_SUCCESS) throw new CudaException(error);
return ctx;
}
catch (CudaException)
{
throw;
}
catch (DllNotFoundException dnfe)
{
throw new CudaException(CudaError.NoDriver, dnfe);
}
catch (Exception e)
{
throw new CudaException(CudaError.Unknown, e);
}
});
}
// http://developer.download.nvidia.com/compute/cuda/3_1/toolkit/docs/online/group__CUDEVICE_gea189b5fe198ceb909f2a8bc3188e36f.html private static extern CUresult nativeDeviceGetName(StringBuilder name, int len, CUdevice dev);
// http://developer.download.nvidia.com/compute/cuda/3_1/toolkit/docs/online/group__CUDEVICE_g0864f76e0c101311b2e1eb5c40a54ea9.html private static extern CUresult nativeDeviceGet(out CUdevice device, int ordinal);
public static uint cuDeviceTotalMem(CUdevice dev)
{
return Wrap(() =>
{
try
{
uint bytes;
var error = nativeDeviceTotalMem(out bytes, dev);
if (error != CUresult.CUDA_SUCCESS) throw new CudaException(error);
return bytes;
}
catch (CudaException)
{
throw;
}
catch (DllNotFoundException dnfe)
{
throw new CudaException(CudaError.NoDriver, dnfe);
}
catch (Exception e)
{
throw new CudaException(CudaError.Unknown, e);
}
});
}
// http://developer.download.nvidia.com/compute/cuda/3_1/toolkit/docs/online/group__CUDEVICE_g7ff0e9bbf5268a053a77e7063b8a6bec.html private static extern CUresult nativeDeviceTotalMem(out uint bytes, CUdevice dev);
public static bool cuDeviceGetFlag(CUdevice_attribute attrib, CUdevice dev)
{
var value = cuDeviceGetAttribute(attrib, dev);
if (value == 0)
{
return false;
}
else if (value == 1)
{
return true;
}
else
{
var fex = new FormatException(String.Format("Attribute \"{0}\" has value \"{1}\" which isn't convertible to bool.", attrib, value));
throw new CudaException(CudaError.InvalidValue, fex);
}
}
public static int cuDeviceGetAttribute(CUdevice_attribute attrib, CUdevice dev)
{
return Wrap(() =>
{
try
{
int i;
var error = nativeDeviceGetAttribute(out i, attrib, dev);
if (error != CUresult.CUDA_SUCCESS) throw new CudaException(error);
return i;
}
catch (CudaException)
{
throw;
}
catch (DllNotFoundException dnfe)
{
throw new CudaException(CudaError.NoDriver, dnfe);
}
catch (Exception e)
{
throw new CudaException(CudaError.Unknown, e);
}
});
}
// http://developer.download.nvidia.com/compute/cuda/3_1/toolkit/docs/online/group__CUDEVICE_ge283d0251a80fe5a82ec8f6e552eb248.html private static extern CUresult nativeDeviceGetAttribute(out int pi, CUdevice_attribute attrib, CUdevice dev);
public static HardwareIsa cuDeviceComputeCapability(CUdevice dev)
{
return Wrap(() =>
{
try
{
int major, minor;
var error = nativeDeviceComputeCapability(out major, out minor, dev);
if (error != CUresult.CUDA_SUCCESS) throw new CudaException(error);
return (HardwareIsa)(major * 10 + minor);
}
catch (CudaException)
{
throw;
}
catch (DllNotFoundException dnfe)
{
throw new CudaException(CudaError.NoDriver, dnfe);
}
catch (Exception e)
{
throw new CudaException(CudaError.Unknown, e);
}
});
}
// http://developer.download.nvidia.com/compute/cuda/3_1/toolkit/docs/online/group__CUDEVICE_g2f36c6412efa2b6b89feefa233fb7519.html private static extern CUresult nativeDeviceComputeCapability(out int major, out int minor, CUdevice dev);
public bool Equals(CUdevice other)
{
return(other.Handle.Equals(Handle));
}
// 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(CUdevice other) { return other.Handle.Equals(Handle); }
