com.intel.analytics.bigdl.utils.tf.loaders.FusedBatchNormGrad.scala Maven / Gradle / Ivy

/*
 * Copyright 2016 The BigDL Authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://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.
 */
package com.intel.analytics.bigdl.utils.tf.loaders

import java.nio.ByteOrder

import com.intel.analytics.bigdl.Module
import com.intel.analytics.bigdl.nn.abstractnn.DataFormat
import com.intel.analytics.bigdl.nn.tf.{FusedBatchNormGrad => FusedBatchNormGradOps}
import com.intel.analytics.bigdl.tensor.TensorNumericMath.TensorNumeric
import com.intel.analytics.bigdl.utils.tf.Context
import org.tensorflow.framework.NodeDef

import scala.reflect.ClassTag

class FusedBatchNormGrad extends TensorflowOpsLoader {

  import Utils._

  override def build[T: ClassTag](nodeDef: NodeDef, byteOrder: ByteOrder, context: Context[T])
    (implicit ev: TensorNumeric[T]): Module[T] = {
    val eps = getFloat(nodeDef.getAttrMap, "epsilon")
    val dataFormat = getString(nodeDef.getAttrMap, "data_format")
    val isTrain = getBoolean(nodeDef.getAttrMap, "is_training")
    FusedBatchNormGradOps[T](eps,
      if (dataFormat == "NHWC") DataFormat.NHWC else DataFormat.NCHW,
      isTrain)
  }
}