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/*
* Copyright (c) 2020 Samsung Electronics Co., Ltd. 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.
*/
#ifndef LUCI_INTERPRETER_CORE_KERNEL_H
#define LUCI_INTERPRETER_CORE_KERNEL_H
#include "luci_interpreter/core/Tensor.h"
#include <vector>
namespace luci_interpreter
{
// Base class for all kernels.
class Kernel
{
protected:
Kernel(std::vector<const Tensor *> inputs, std::vector<Tensor *> outputs)
: _inputs(std::move(inputs)), _outputs(std::move(outputs))
{
}
public:
virtual ~Kernel() = default;
const std::vector<const Tensor *> &getInputTensors() const { return _inputs; }
const std::vector<Tensor *> &getOutputTensors() const { return _outputs; }
// Configures the kernel.
// This function is currently called once for each kernel during interpreter construction,
// which makes it a convenient place for preparing (resizing) output tensors.
virtual void configure() = 0;
// Executes the kernel.
virtual void execute() const = 0;
protected:
// NOTE Prefer not to use these in derived classes.
const std::vector<const Tensor *> _inputs;
const std::vector<Tensor *> _outputs;
};
// Base class for kernels with parameters.
template <typename Params> class KernelWithParams : public Kernel
{
protected:
KernelWithParams(std::vector<const Tensor *> inputs, std::vector<Tensor *> outputs,
const Params ¶ms)
: Kernel(std::move(inputs), std::move(outputs)), _params(params)
{
}
public:
const Params ¶ms() const { return _params; }
protected:
const Params _params;
};
} // namespace luci_interpreter
#endif // LUCI_INTERPRETER_CORE_KERNEL_H
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