org.nd4j.linalg.api.ops.impl.layers.recurrent.config.GRUCellConfiguration Maven / Gradle / Ivy
/*******************************************************************************
* Copyright (c) 2015-2018 Skymind, Inc.
*
* This program and the accompanying materials are made available under the
* terms of the Apache License, Version 2.0 which is available at
* https://www.apache.org/licenses/LICENSE-2.0.
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
* SPDX-License-Identifier: Apache-2.0
******************************************************************************/
package org.nd4j.linalg.api.ops.impl.layers.recurrent.config;
import lombok.Builder;
import lombok.Data;
import org.nd4j.autodiff.samediff.SDVariable;
import java.util.LinkedHashMap;
import java.util.Map;
@Data
@Builder
public class GRUCellConfiguration {
/**
* NDArray* xt = INPUT_VARIABLE(0); // input [batchSize x inSize]
NDArray* ht_1 = INPUT_VARIABLE(1); // previous cell output [batchSize x numUnits], that is at previous time step t-1
NDArray* Wx = INPUT_VARIABLE(2); // input-to-hidden weights, [inSize x 3*numUnits]
NDArray* Wh = INPUT_VARIABLE(3); // hidden-to-hidden weights, [numUnits x 3*numUnits]
NDArray* b = INPUT_VARIABLE(4); // biases, [1 x 3*numUnits]
NDArray* ht = OUTPUT_VARIABLE(0); // current cell output [batchSize x numUnits], that is at current time step t
const int batchSize = (INPUT_VARIABLE(0))->sizeAt(0);
const int inSize = (INPUT_VARIABLE(0))->sizeAt(1);
const int numUnits = (INPUT_VARIABLE(1))->sizeAt(1);
*/
private int batchSize,intSize,numUnits;
private SDVariable xt,ht_1,Wx,Wh,b;
public Map toProperties() {
Map ret = new LinkedHashMap<>();
ret.put("batchSize",batchSize);
ret.put("intSize",intSize);
ret.put("numUnits",numUnits);
return ret;
}
public int[] iArgs() {
return new int[] {batchSize,intSize,numUnits};
}
public SDVariable[] args() {
return new SDVariable[] {xt,ht_1,Wx,Wh,b};
}
}