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73 lines
2.1 KiB
73 lines
2.1 KiB
/* Copyright (c) 2018 PaddlePaddle Authors. All Rights Reserved.
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*
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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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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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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 <gflags/gflags.h>
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#include <memory> // for unique_ptr
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#include "paddle/fluid/operators/jit/kernel_base.h"
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DECLARE_bool(dump_jitcode);
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namespace paddle {
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namespace operators {
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namespace jit {
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class GenBase : public Kernel {
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public:
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virtual ~GenBase() = default;
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virtual const char* name() const = 0;
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virtual size_t getSize() const = 0;
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virtual const unsigned char* getCodeInternal() = 0;
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template <typename Func>
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Func getCode() {
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const unsigned char* code = this->getCodeInternal();
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if (FLAGS_dump_jitcode) {
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this->dumpCode(code);
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}
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// Note: failed to cast with reinterpret_cast<const Func> on Mac clang,
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// then workaround with const_cast. Any better idea is appreciated.
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return reinterpret_cast<Func>(const_cast<unsigned char*>(code));
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}
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protected:
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void dumpCode(const unsigned char* code) const;
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};
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// Creator is used to creat the jitcode and save in pool.
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// Every JitCode should have one creator.
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class GenCreator {
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public:
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virtual ~GenCreator() = default;
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};
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template <typename Attr>
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class JitCodeCreator : public GenCreator {
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public:
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virtual ~JitCodeCreator() = default;
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// condition when this jit code can be used.
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virtual bool UseMe(const Attr& attr) const = 0;
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// estimate this code size
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virtual size_t CodeSize(const Attr& attr) const = 0;
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// create this code
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virtual std::unique_ptr<GenBase> CreateJitCode(const Attr& attr) const = 0;
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};
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} // namespace jit
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} // namespace operators
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} // namespace paddle
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