You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
88 lines
2.2 KiB
88 lines
2.2 KiB
/* Copyright (c) 2016 PaddlePaddle Authors. All Rights Reserve.
|
|
|
|
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. */
|
|
|
|
#pragma once
|
|
|
|
#include "paddle/platform/macros.h"
|
|
|
|
namespace paddle {
|
|
namespace operators {
|
|
namespace math {
|
|
|
|
typedef enum {
|
|
HL_ACTIVATION_SIGMOID = 0,
|
|
HL_ACTIVATION_RELU = 1,
|
|
HL_ACTIVATION_TANH = 2,
|
|
HL_ACTIVATION_LINEAR = 3,
|
|
HL_ACTIVATION_END
|
|
} activation_mode_t;
|
|
|
|
template <T>
|
|
struct lstm_value {
|
|
real *gateValue;
|
|
real *prevStateValue;
|
|
real *stateValue;
|
|
real *stateActiveValue;
|
|
real *outputValue;
|
|
real *checkIg;
|
|
real *checkFg;
|
|
real *checkOg;
|
|
};
|
|
|
|
template <T>
|
|
struct lstm_grad {
|
|
real *gateGrad;
|
|
real *prevStateGrad;
|
|
real *stateGrad;
|
|
real *stateActiveGrad;
|
|
real *outputGrad;
|
|
real *checkIgGrad;
|
|
real *checkFgGrad;
|
|
real *checkOgGrad;
|
|
};
|
|
|
|
activation_mode_t ActiveType(const std::string &type) {
|
|
if (type == "sigmoid") {
|
|
return HL_ACTIVATION_SIGMOID;
|
|
} else if (type == "relu") {
|
|
return HL_ACTIVATION_RELU;
|
|
} else if (type == "tanh") {
|
|
return HL_ACTIVATION_TANH;
|
|
} else if (type == "linear" || type == "") {
|
|
return HL_ACTIVATION_LINEAR;
|
|
} else {
|
|
PADDLE_THROW("Do not support activation type.");
|
|
}
|
|
}
|
|
|
|
template <typename Place, typename T>
|
|
class LstmUnitFunctor {
|
|
public:
|
|
static void compute(lstm_value value, int frame_size, int batch_size,
|
|
std::string gate_act, std::string cell_act,
|
|
std::string cand_act);
|
|
};
|
|
|
|
template <typename Place, typename T>
|
|
class LstmUnitGradFunctor {
|
|
public:
|
|
static void compute(lstm_value value, lstm_grad grad, int frame_size,
|
|
int batch_size, std::string gate_act,
|
|
std::string cell_act, std::string cand_act);
|
|
};
|
|
|
|
} // namespace math
|
|
} // namespace operators
|
|
} // namespace paddle
|