58 lines
1.9 KiB
Java
58 lines
1.9 KiB
Java
/*
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* ******************************************************************************
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* *
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* *
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* * This program and the accompanying materials are made available under the
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* * terms of the Apache License, Version 2.0 which is available at
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* * https://www.apache.org/licenses/LICENSE-2.0.
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* *
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* * See the NOTICE file distributed with this work for additional
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* * information regarding copyright ownership.
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* * Unless required by applicable law or agreed to in writing, software
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* * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* * License for the specific language governing permissions and limitations
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* * under the License.
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* *
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* * SPDX-License-Identifier: Apache-2.0
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* *****************************************************************************
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*/
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package org.deeplearning4j.nn.api;
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import java.io.Serializable;
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import org.deeplearning4j.nn.gradient.Gradient;
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import org.deeplearning4j.nn.workspace.LayerWorkspaceMgr;
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import org.nd4j.linalg.api.ndarray.INDArray;
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/**
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* Update the model
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*
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* @author Adam Gibson
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*/
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public interface Updater extends Serializable {
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/**
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* Set the internal (historical) state view array for this updater
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*
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* @param layer ILayer that this updater belongs to
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* @param viewArray View array
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* @param initialize Whether to initialize the array or not
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*/
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void setStateViewArray(ITrainableLayer layer, INDArray viewArray, boolean initialize);
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/**
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* @return the view array for this updater
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*/
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INDArray getStateViewArray();
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/**
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* Updater: updates the model
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*
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* @param layer
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* @param gradient
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* @param iteration
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*/
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void update(ITrainableLayer layer, Gradient gradient, int iteration, int epoch, int miniBatchSize, LayerWorkspaceMgr workspaceMgr);
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}
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