LearningModelSession コンストラクター

public:
 LearningModelSession(LearningModel ^ model);

 LearningModelSession(LearningModel const& model);

public LearningModelSession(LearningModel model);

function LearningModelSession(model)

Public Sub New (model As LearningModel)

パラメーター

例

次の例では、モデルを読み込み、それを使用して評価セッションを作成します。

private async Task LoadModelAsync(LearningModel _model, string _modelFileName, LearningModelSession _session)
{
    // Only load the model one time.
    if (_model != null) return;

    try
    {
        // Load and create the model
        var modelFile = 
            await StorageFile.GetFileFromApplicationUriAsync(new Uri($"ms-appx:///Assets/{_modelFileName}"));
        _model = await LearningModel.LoadFromStorageFileAsync(modelFile);

        // Create the evaluation session with the model and device.
        _session = new LearningModelSession(_model);
    }
    catch (Exception ex)
    {
        StatusBlock.Text = $"error: {ex.Message}";
        _model = null;
    }
}

注釈

Windows Server

Windows Server でこの API を使用するには、Windows Server 2019 デスクトップ エクスペリエンスを使用する必要があります。

スレッド セーフ

この API はスレッド セーフです。

public:
 LearningModelSession(LearningModel ^ model, LearningModelDevice ^ deviceToRunOn);

 LearningModelSession(LearningModel const& model, LearningModelDevice const& deviceToRunOn);

public LearningModelSession(LearningModel model, LearningModelDevice deviceToRunOn);

function LearningModelSession(model, deviceToRunOn)

Public Sub New (model As LearningModel, deviceToRunOn As LearningModelDevice)

パラメーター

例

次の例では、モデルを読み込み、モデルを評価するデバイスを選択し、評価セッションを作成します。

private async Task LoadModelAsync(string _modelFileName, bool _useGPU, LearningModelSession _session)
{
    LearningModel _model;

    try
    {
        // Load and create the model
        var modelFile = 
            await StorageFile.GetFileFromApplicationUriAsync(new Uri($"ms-appx:///Assets/{_modelFileName}"));
        _model = await LearningModel.LoadFromStorageFileAsync(modelFile);

        // Select the device to evaluate on
        LearningModelDevice device = null;
        if (_useGPU)
        {
            // Use a GPU or other DirectX device to evaluate the model.
            device = new LearningModelDevice(LearningModelDeviceKind.DirectX);
        }
        else
        {
            // Use the CPU to evaluate the model.
            device = new LearningModelDevice(LearningModelDeviceKind.Cpu);
        }

        // Create the evaluation session with the model and device.
        _session = new LearningModelSession(_model, device);

    }
    catch (Exception ex)
    {
        StatusBlock.Text = $"error: {ex.Message}";
        _model = null;
    }
}

注釈

Windows Server

Windows Server でこの API を使用するには、Windows Server 2019 デスクトップ エクスペリエンスを使用する必要があります。

スレッド セーフ

この API はスレッド セーフです。

public:
 LearningModelSession(LearningModel ^ model, LearningModelDevice ^ deviceToRunOn, LearningModelSessionOptions ^ learningModelSessionOptions);

 LearningModelSession(LearningModel const& model, LearningModelDevice const& deviceToRunOn, LearningModelSessionOptions const& learningModelSessionOptions);

public LearningModelSession(LearningModel model, LearningModelDevice deviceToRunOn, LearningModelSessionOptions learningModelSessionOptions);

function LearningModelSession(model, deviceToRunOn, learningModelSessionOptions)

Public Sub New (model As LearningModel, deviceToRunOn As LearningModelDevice, learningModelSessionOptions As LearningModelSessionOptions)

パラメーター

Windows の要件

例

次の例では、モデルを読み込み、 LearningModelSessionOptions を使用して評価セッションを構成します。

private LearningModelSessionOptions CreateSessionOptions()
{
    var options = new LearningModelSessionOptions();

    // Disable constant batch size optimizations
    options.BatchSizeOverride = 0;

    return options;
}

private async Task LoadModelAsync(string modelFileName)
{
    LearningModel model;
    LearningModelDevice device;
    LearningModelSession session;

    try
    {
        // Load and create the model.
        var modelFile = 
            await StorageFile.GetFileFromApplicationUriAsync(new Uri($"ms-appx:///Assets/{modelFileName}"));
        model = await LearningModel.LoadFromStorageFileAsync(modelFile);

        // Create default LearningModelDevice.
        device = new LearningModelDevice(LearningModelDeviceKind.Default);

        // Create LearningModelSessionOptions with necessary options set.
        LearningModelSessionOptions options = CreateSessionOptions();

        // Create the evaluation session with the model and LearningModelSessionOptions.
        session = new LearningModelSession(model, device, options);

    }
    catch (Exception ex)
    {
        StatusBlock.Text = $"error: {ex.Message}";
        model = null;
    }
}