/* Copyright 2018 The TensorFlow 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.
|
==============================================================================*/
|
#include "tensorflow/lite/tools/optimize/quantize_model.h"
|
|
#include <algorithm>
|
#include <cstdint>
|
#include <limits>
|
#include <memory>
|
#include <string>
|
#include <unordered_map>
|
#include <vector>
|
|
#include "flatbuffers/flexbuffers.h"
|
#include "tensorflow/lite/context.h"
|
#include "tensorflow/lite/core/api/error_reporter.h"
|
#include "tensorflow/lite/model.h"
|
#include "tensorflow/lite/schema/schema_generated.h"
|
#include "tensorflow/lite/tools/optimize/subgraph_quantizer.h"
|
|
namespace tflite {
|
namespace optimize {
|
|
TfLiteStatus QuantizeModel(flatbuffers::FlatBufferBuilder* builder,
|
ModelT* model, ErrorReporter* error_reporter) {
|
for (size_t subgraph_idx = 0; subgraph_idx < model->subgraphs.size();
|
subgraph_idx++) {
|
SubGraphT* subgraph = model->subgraphs.at(subgraph_idx).get();
|
internal::SubgraphQuantizer quantizer(model, subgraph, error_reporter);
|
for (size_t op_idx = 0; op_idx < subgraph->operators.size(); op_idx++) {
|
auto status = quantizer.QuantizeOperator(op_idx);
|
if (status != kTfLiteOk) {
|
OperatorT* op = subgraph->operators[op_idx].get();
|
const BuiltinOperator op_code =
|
model->operator_codes[op->opcode_index]->builtin_code;
|
error_reporter->Report(
|
"Failed to quantized operator: %s in subgraph %d, node: %d",
|
EnumNameBuiltinOperator(op_code), subgraph_idx, op_idx);
|
return kTfLiteError;
|
}
|
}
|
}
|
|
flatbuffers::Offset<Model> output_model_location =
|
Model::Pack(*builder, model);
|
FinishModelBuffer(*builder, output_model_location);
|
|
return kTfLiteOk;
|
}
|
|
} // namespace optimize
|
} // namespace tflite
|
