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/*
* Copyright (c) 2022 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_CIRCLE_QUANTIZER_H__
#define __LUCI_CIRCLE_QUANTIZER_H__
#include <loco.h>
#include <string>
#include <vector>
namespace luci
{
class CircleQuantizer final
{
public:
struct Options
{
struct LayerParam
{
std::string name;
std::string dtype;
std::string granularity;
};
enum Algorithm
{
QuantizeDequantizeWeights,
QuantizeWithMinMax,
Requantize,
CopyQuantParam,
ForceQuantParam,
ConvertToFakeQuantizedModel,
QuantizeWeights,
};
enum AlgorithmParameters
{
// quantize
Quantize_input_model_dtype,
Quantize_output_model_dtype,
Quantize_granularity, // layer-wise or channel-wise
Quantize_tensor_names,
Quantize_scales,
Quantize_zero_points,
Quantize_layer_params,
// copy_quantparam
Quantize_src_tensor_names,
Quantize_dst_tensor_names,
Quantize_input_type,
Quantize_output_type,
Quantize_TF_style_maxpool,
};
virtual ~Options() = default;
virtual void enable(Algorithm) = 0;
virtual bool query(Algorithm) = 0;
virtual void param(AlgorithmParameters, const std::string &) = 0;
virtual const std::string param(AlgorithmParameters) const = 0;
virtual void params(AlgorithmParameters, std::vector<std::string> &) = 0;
virtual std::vector<std::string> params(AlgorithmParameters) const = 0;
// Quantization parameters for multiple layers
virtual void layer_params(AlgorithmParameters, std::vector<std::shared_ptr<LayerParam>> &) = 0;
virtual std::vector<std::shared_ptr<LayerParam>> layer_params(AlgorithmParameters) const = 0;
};
public:
// TODO maybe caller can provide Options as ctor parameters
Options *options(void);
public:
void quantize(loco::Graph *) const;
private:
std::unique_ptr<Options> _options;
};
} // namespace luci
#endif // __LUCI_CIRCLE_QUANTIZER_H__
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