public static int GetAmdDevicePciBusID(OpenCl.DotNetCore.Devices.Device device)
{
var deviceHandle = GetDeviceHandle(device);
var deviceInformation = (OpenCl.DotNetCore.Interop.Devices.DeviceInformation)DeviceInformation.CL_DEVICE_TOPOLOGY_AMD;
var temp = new byte[256];
var res = DevicesNativeApi.GetDeviceInformation(deviceHandle,
(OpenCl.DotNetCore.Interop.Devices.DeviceInformation)DeviceInformation.CL_DEVICE_BOARD_NAME_AMD,
new UIntPtr(256), temp, out UIntPtr rVal);
var name = System.Text.Encoding.ASCII.GetString(temp).TrimEnd(char.MinValue);
var result = DevicesNativeApi.GetDeviceInformation(deviceHandle, deviceInformation, UIntPtr.Zero, null, out UIntPtr returnValueSize);
if (result != Result.Success)
{
throw new Exception($"The device information could not be retrieved. Error code: {result}.");
}
var output = new byte[returnValueSize.ToUInt32()];
result = DevicesNativeApi.GetDeviceInformation(deviceHandle, deviceInformation, new UIntPtr((uint)output.Length), output, out returnValueSize);
if (result != Result.Success)
{
throw new Exception($"The device information could not be retrieved. Error code: {result}.");
}
var topology = ByteArrayToStructure <CL_device_topology_amd>(output);
return((topology.type == CL_DEVICE_TOPOLOGY_TYPE_PCIE_AMD)
? topology.bus
: -1);
}
public static string GetAmdDeviceName(OpenCl.DotNetCore.Devices.Device device)
{
var deviceHandle = GetDeviceHandle(device);
var deviceInformation = (OpenCl.DotNetCore.Interop.Devices.DeviceInformation)DeviceInformation.CL_DEVICE_BOARD_NAME_AMD;
var nameBin = new byte[256];
var result = DevicesNativeApi.GetDeviceInformation(deviceHandle, deviceInformation, new UIntPtr(256), nameBin, out UIntPtr rVal);
if (result != Result.Success)
{
throw new Exception($"The device information could not be retrieved. Error code: {result}.");
}
return(System.Text.Encoding.ASCII.GetString(nameBin).TrimEnd(char.MinValue));
}
public static ulong GetAvailableMemory(OpenCl.DotNetCore.Devices.Device device)
{
var deviceHandle = GetDeviceHandle(device);
var deviceInformation = (OpenCl.DotNetCore.Interop.Devices.DeviceInformation)DeviceInformation.CL_DEVICE_GLOBAL_FREE_MEMORY_AMD;
var output = new byte[8];
var result = DevicesNativeApi.GetDeviceInformation(deviceHandle, deviceInformation, new UIntPtr(8), output, out UIntPtr rVal);
if (result != Result.Success)
{
throw new Exception($"The device information could not be retrieved. Error code: {result}.");
}
var memory = new ulong[1];
Buffer.BlockCopy(output, 0, memory, 0, 8);
return(memory[0] * (ulong)Math.Pow(2, 10));
}
