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Paddle/paddle/fluid/operators/jit/gen/lstm.h

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/* Copyright (c) 2018 PaddlePaddle Authors. All Rights Reserved.
*
* 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 <string>
#include "glog/logging.h"
#include "paddle/fluid/operators/jit/gen/act.h"
#include "paddle/fluid/operators/jit/gen/jitcode.h"
namespace paddle {
namespace operators {
namespace jit {
namespace gen {
class LSTMJitCode : public VActFunc {
public:
explicit LSTMJitCode(bool compute_c1h1, const lstm_attr_t& attr,
size_t code_size, void* code_ptr = nullptr)
: VActFunc(code_size, code_ptr),
num_(attr.d),
compute_c1h1_(compute_c1h1),
use_peephole_(attr.use_peephole) {
auto typeExchange = [](KernelType type) -> gen::operand_type {
if (type == KernelType::kVSigmoid) {
return operand_type::SIGMOID;
} else if (type == KernelType::kVRelu) {
return operand_type::RELU;
} else if (type == KernelType::kVTanh) {
return operand_type::TANH;
} else if (type == KernelType::kVIdentity) {
return operand_type::IDENTITY;
} else {
LOG(FATAL) << "Do not support this jit::KernelType: " << type;
}
return operand_type::IDENTITY;
};
act_gate_ = typeExchange(attr.act_gate);
act_cand_ = typeExchange(attr.act_cand);
act_cell_ = typeExchange(attr.act_cell);
this->genCode();
}
std::string name() const override {
std::string base = "LSTMJitCode";
if (use_peephole_) {
base += "_Peephole";
}
if (compute_c1h1_) {
base += "_C1H1";
}
auto AddTypeStr = [&](operand_type type) {
switch (type) {
case operand_type::RELU:
base += "_Relu";
break;
case operand_type::EXP:
base += "_Exp";
break;
case operand_type::SIGMOID:
base += "_Sigmoid";
break;
case operand_type::TANH:
base += "_Tanh";
break;
case operand_type::IDENTITY:
base += "_Identity";
break;
default:
break;
}
};
AddTypeStr(act_gate_);
AddTypeStr(act_cand_);
AddTypeStr(act_cell_);
return base;
}
void genCode() override;
protected:
int num_;
bool compute_c1h1_;
bool use_peephole_;
operand_type act_gate_;
operand_type act_cand_;
operand_type act_cell_;
reg64_t param1{abi_param1};
};
#define DECLARE_LSTM_JITCODE(name, compute_c1h1) \
class name##JitCode : public LSTMJitCode { \
public: \
explicit name##JitCode(const lstm_attr_t& attr, size_t code_size, \
void* code_ptr = nullptr) \
: LSTMJitCode(compute_c1h1, attr, code_size, code_ptr) {} \
};
DECLARE_LSTM_JITCODE(LSTMCtHt, false);
DECLARE_LSTM_JITCODE(LSTMC1H1, true);
#undef DECLARE_LSTM_JITCODE
} // namespace gen
} // namespace jit
} // namespace operators
} // namespace paddle