Esempio n. 1
0
        public static IEnumerable <GpuDevice> EnumDevices()
        {
            var err = Nvml.nvmlInit_v2();

            if (err != Nvml.nvmlReturn.NVML_SUCCESS)
            {
                yield break;
            }

            int cdev;

            err = Nvml.nvmlDeviceGetCount(out cdev);
            if (err != Nvml.nvmlReturn.NVML_SUCCESS)
            {
                yield break;
            }

            for (int i = 0; i < cdev; i++)
            {
                yield return(new GpuDevice(i));
            }
        }
Esempio n. 2
0
        public GpuDevice(int deviceId)
        {
            DeviceId = deviceId;
            var err = Nvml.nvmlInit_v2();

            if (err == Nvml.nvmlReturn.NVML_SUCCESS)
            {
                err = Nvml.nvmlDeviceGetHandleByIndex((uint)deviceId, out _device);
                if (err == Nvml.nvmlReturn.NVML_SUCCESS)
                {
                    var name = new StringBuilder(MaxNameLen);
                    var uuid = new StringBuilder(MaxUuidLen);
                    if (Nvml.nvmlDeviceGetName(_device, name, (uint)name.Capacity) == Nvml.nvmlReturn.NVML_SUCCESS &&
                        Nvml.nvmlDeviceGetPciInfo(_device, out _pci) == Nvml.nvmlReturn.NVML_SUCCESS &&
                        Nvml.nvmlDeviceGetUUID(_device, uuid, (uint)uuid.Capacity) == Nvml.nvmlReturn.NVML_SUCCESS)
                    {
                        Name = name.ToString();
                        Uuid = uuid.ToString();
                        return;
                    }
                }
            }
            Name = "<FailedToInitialize>";
        }