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90 lines
2.3 KiB
90 lines
2.3 KiB
/* Copyright (c) 2018 PaddlePaddle Authors. All Rights Reserved.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License. */
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#pragma once
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#include <functional>
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#include <memory> // for shared_ptr
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#include <string>
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#include <unordered_map>
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#include "paddle/fluid/platform/cpu_info.h"
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#include "paddle/fluid/platform/macros.h"
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// Note: Only support on CPU yet.
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namespace paddle {
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namespace operators {
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namespace math {
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namespace jitkernel {
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#define SIGMOID_THRESHOLD_MIN -40.0
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#define SIGMOID_THRESHOLD_MAX 13.0
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#define AVX_FLOAT_BLOCK 8
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#define AVX_DOUBLE_BLOCK 4
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#define AVX2_FLOAT_BLOCK 8
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#define AVX2_DOUBLE_BLOCK 4
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#define AVX512_FLOAT_BLOCK 16
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#define AVX512_DOUBLE_BLOCK 8
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typedef enum { kLT8, kEQ8, kGT8LT16, kEQ16, kGT16 } jit_block;
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class Kernel {
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public:
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Kernel() {}
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virtual ~Kernel() = default;
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private:
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DISABLE_COPY_AND_ASSIGN(Kernel);
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};
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class KernelPool {
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public:
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static KernelPool &Instance();
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template <typename Ker, typename... ARGS>
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const std::shared_ptr<Ker> Get(ARGS... args);
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private:
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KernelPool() = default;
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std::unordered_map<std::string, std::shared_ptr<Kernel>> kers_;
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DISABLE_COPY_AND_ASSIGN(KernelPool);
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};
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template <typename T>
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class VMulKernel : public Kernel {
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public:
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explicit VMulKernel(int n);
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void (*Compute)(const int n, const T *, const T *, T *);
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};
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template <typename T>
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class LSTMKernel : public Kernel {
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public:
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explicit LSTMKernel(int d, const std::string &act_gate,
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const std::string &act_cand, const std::string &act_cell);
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void (*jit_ker)(T *, const T *, T *, T *);
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std::function<void(T *, const T *, T *, T *)> ComputeCtHt, ComputeCtHt_NoC0H0;
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private:
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int d_, d2_, d3_;
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std::function<void(const int, const T *, T *)> act_gate_, act_cell_,
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act_cand_;
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};
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} // namespace jitkernel
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} // namespace math
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} // namespace operators
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} // namespace paddle
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