108 lines
4.5 KiB
Plaintext
108 lines
4.5 KiB
Plaintext
/*******************************************************************************
|
|
* 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
|
|
******************************************************************************/
|
|
|
|
//
|
|
// @author GS <sgazeos@gmail.com>
|
|
//
|
|
|
|
#include <ops/declarable/helpers/legacy_helpers.h>
|
|
#include <NDArrayFactory.h>
|
|
#include <op_boilerplate.h>
|
|
|
|
namespace nd4j {
|
|
namespace ops {
|
|
namespace helpers {
|
|
|
|
template <typename T>
|
|
linkage void reluDerivative__(NDArray* theFirst, NDArray* theSecond) {
|
|
auto functor = LAMBDA_TT(x, y){
|
|
return x > (T) 0.f ? y : T(0.f);
|
|
};
|
|
|
|
theFirst->applyPairwiseLambda(theSecond, functor, nullptr);
|
|
}
|
|
|
|
void reluDerivative(nd4j::LaunchContext * context, NDArray* theFirst, NDArray* theSecond) {
|
|
BUILD_SINGLE_SELECTOR(theFirst->dataType(), reluDerivative__, (theFirst, theSecond), FLOAT_TYPES);
|
|
}
|
|
|
|
template <typename T>
|
|
linkage void reluDerivative_(NDArray* input, NDArray* epsilon, NDArray* output) {
|
|
auto functor = LAMBDA_TT(x, y){
|
|
return x > (T)0.f ? y : T(0.f);
|
|
};
|
|
|
|
input->applyPairwiseLambda(epsilon, functor, output);
|
|
}
|
|
|
|
void reluDerivative(nd4j::LaunchContext * context, NDArray* theFirst, NDArray* theSecond, NDArray* theOutput) {
|
|
BUILD_SINGLE_SELECTOR(theFirst->dataType(), reluDerivative_, (theFirst, theSecond, theOutput), FLOAT_TYPES);
|
|
}
|
|
|
|
template <typename T>
|
|
linkage void relu6Derivative_(NDArray* input, NDArray* epsilon, NDArray* output) {
|
|
auto functor = LAMBDA_TT(x, y){
|
|
return x > (T)0.f && x < (T)6.f? y : T(0.f);
|
|
};
|
|
|
|
input->applyPairwiseLambda(epsilon, functor, output);
|
|
}
|
|
|
|
void relu6Derivative(nd4j::LaunchContext * context, NDArray* theFirst, NDArray* theSecond, NDArray* theOutput) {
|
|
BUILD_SINGLE_SELECTOR(theFirst->dataType(), relu6Derivative_, (theFirst, theSecond, theOutput), FLOAT_TYPES);
|
|
}
|
|
|
|
template <typename T>
|
|
linkage void leakyReluDerivative_(NDArray* input, NDArray* epsilon, NDArray* output) {
|
|
auto functor = LAMBDA_TT(x, y){
|
|
return x >= (T)0.f? y : T(0.f);
|
|
};
|
|
|
|
input->applyPairwiseLambda(epsilon, functor, output);
|
|
}
|
|
|
|
void leakyReluDerivative(nd4j::LaunchContext * context, NDArray* theFirst, NDArray* theSecond, NDArray* theOutput) {
|
|
BUILD_SINGLE_SELECTOR(theFirst->dataType(), leakyReluDerivative_, (theFirst, theSecond, theOutput), FLOAT_TYPES);
|
|
}
|
|
|
|
template <typename T>
|
|
linkage void eluDerivative_(NDArray* input, NDArray* epsilon, NDArray* output) {
|
|
auto functor = LAMBDA_TT(x, y){
|
|
return y * nd4j::math::nd4j_eluderivative<T,T>(x);
|
|
};
|
|
|
|
input->applyPairwiseLambda(epsilon, functor, output);
|
|
}
|
|
|
|
void eluDerivative(nd4j::LaunchContext * context, NDArray* theFirst, NDArray* theSecond, NDArray* theOutput) {
|
|
BUILD_SINGLE_SELECTOR(theFirst->dataType(), eluDerivative_, (theFirst, theSecond, theOutput), FLOAT_TYPES);
|
|
}
|
|
|
|
template <typename T>
|
|
linkage void seluDerivative_(NDArray* input, NDArray* epsilon, NDArray* output) {
|
|
auto functor = LAMBDA_TT(x, y){
|
|
return y * simdOps::SELUDerivative<T>::op(x, nullptr);
|
|
};
|
|
|
|
input->applyPairwiseLambda(epsilon, functor, output);
|
|
}
|
|
|
|
void seluDerivative(nd4j::LaunchContext * context, NDArray* theFirst, NDArray* theSecond, NDArray* theOutput) {
|
|
BUILD_SINGLE_SELECTOR(theFirst->dataType(), seluDerivative_, (theFirst, theSecond, theOutput), FLOAT_TYPES);
|
|
}
|
|
}
|
|
}
|
|
} |