mindspore/docs/api/api_python/mindspore/mindspore.DatasetHelper.rst

mindspore.DatasetHelper
========================

.. py:class:: mindspore.DatasetHelper(dataset, dataset_sink_mode=True, sink_size=-1, epoch_num=1)

    DatasetHelper<65><72>һ<EFBFBD><D2BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD>MindData<74><61><EFBFBD>ݼ<EFBFBD><DDBC><EFBFBD><EFBFBD>࣬<EFBFBD>ṩ<EFBFBD><E1B9A9><EFBFBD>ݼ<EFBFBD><DDBC><EFBFBD>Ϣ<EFBFBD><CFA2>

    <20><><EFBFBD>ݲ<EFBFBD>ͬ<EFBFBD><CDAC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ģ<EFBFBD><C4A3>ı<EFBFBD><C4B1><EFBFBD><EFBFBD>ݼ<EFBFBD><DDBC>ĵ<EFBFBD><C4B5><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڲ<EFBFBD>ͬ<EFBFBD><CDAC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʹ<EFBFBD><CAB9><EFBFBD><EFBFBD>ͬ<EFBFBD>ĵ<EFBFBD><C4B5><EFBFBD><EFBFBD><EFBFBD>

    .. note::
        DatasetHelper<65>ĵ<EFBFBD><C4B5><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ṩһ<E1B9A9><D2BB>epoch<63><68><EFBFBD><EFBFBD><EFBFBD>ݡ<EFBFBD>

    <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
        - **dataset** (Dataset) - ѵ<><D1B5><EFBFBD><EFBFBD><EFBFBD>ݼ<EFBFBD><DDBC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݼ<EFBFBD><DDBC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݼ<EFBFBD><DDBC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>API<50><49> `mindspore.dataset` <20><><EFBFBD><EFBFBD><EFBFBD>ɣ<EFBFBD><C9A3><EFBFBD><EFBFBD><EFBFBD> :class:`mindspore.dataset.ImageFolderDataset` <20><>
        - **dataset_sink_mode** (bool) - <20><><EFBFBD><EFBFBD>ֵΪTrue<75><65>ʹ<EFBFBD><CAB9> :class:`mindspore.ops.GetNext` <20><><EFBFBD>豸<EFBFBD><E8B1B8>Device<63><65><EFBFBD><EFBFBD>ͨ<EFBFBD><CDA8><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͨ<EFBFBD><CDA8><EFBFBD>л<EFBFBD>ȡ<EFBFBD><C8A1><EFBFBD>ݣ<EFBFBD><DDA3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Host<73><74>ֱ<EFBFBD>ӱ<EFBFBD><D3B1><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݼ<EFBFBD><DDBC><EFBFBD>ȡ<EFBFBD><C8A1><EFBFBD>ݡ<EFBFBD>Ĭ<EFBFBD><C4AC>ֵ<EFBFBD><D6B5>True<75><65>
        - **sink_size** (int) - <20><><EFBFBD><EFBFBD>ÿ<EFBFBD><C3BF><EFBFBD>³<EFBFBD><C2B3>е<EFBFBD><D0B5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> `sink_size` Ϊ-1<><31><EFBFBD><EFBFBD><EFBFBD>³<EFBFBD>ÿ<EFBFBD><C3BF>epoch<63><68><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݼ<EFBFBD><DDBC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> `sink_size` <20><><EFBFBD><EFBFBD>0<EFBFBD><30><EFBFBD><EFBFBD><EFBFBD>³<EFBFBD>ÿ<EFBFBD><C3BF>epoch<63><68> `sink_size` <20><><EFBFBD>ݡ<EFBFBD>Ĭ<EFBFBD><C4AC>ֵ<EFBFBD><D6B5>-1<><31>
        - **epoch_num** (int) - <20><><EFBFBD>ƴ<EFBFBD><C6B4><EFBFBD><EFBFBD>͵<EFBFBD>epoch<63><68><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ĭ<EFBFBD><C4AC>ֵ<EFBFBD><D6B5>1<EFBFBD><31>

    .. py:method:: continue_send()
        
        <20><>epoch<63><68>ʼʱ<CABC><CAB1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>豸<EFBFBD><E8B1B8><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݡ<EFBFBD>

    .. py:method:: get_data_info()
        
        <20>³<EFBFBD>ģʽ<C4A3>£<EFBFBD><C2A3><EFBFBD>ȡ<EFBFBD><C8A1>ǰ<EFBFBD><C7B0><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݵ<EFBFBD><DDB5><EFBFBD><EFBFBD>ͺ<EFBFBD><CDBA><EFBFBD>״(shape)<29><>ͨ<EFBFBD><CDA8><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>״(shape)<29><>̬<EFBFBD>仯<EFBFBD>ij<EFBFBD><C4B3><EFBFBD>ʹ<EFBFBD>á<EFBFBD>

    .. py:method:: release()
        
        <20>ͷ<EFBFBD><CDB7><EFBFBD><EFBFBD><EFBFBD><EFBFBD>³<EFBFBD><C2B3><EFBFBD>Դ<EFBFBD><D4B4>

    .. py:method:: sink_size()
        
        <20><>ȡÿ<C8A1>ε<EFBFBD><CEB5><EFBFBD><EFBFBD><EFBFBD> `sink_size` <20><>

    .. py:method:: stop_send()
        
        ֹͣ<CDA3><D6B9><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>³<EFBFBD><C2B3><EFBFBD><EFBFBD>ݡ<EFBFBD>

    .. py:method:: types_shapes()
        
        <20>ӵ<EFBFBD>ǰ<EFBFBD><C7B0><EFBFBD><EFBFBD><EFBFBD>е<EFBFBD><D0B5><EFBFBD><EFBFBD>ݼ<EFBFBD><DDBC><EFBFBD>ȡ<EFBFBD><C8A1><EFBFBD>ͺ<EFBFBD><CDBA><EFBFBD>״(shape)<29><>