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#include "tensor_dumper.h"
#include <fstream>
#include <iostream>
#include <cstring>
#include "tensorflow/contrib/lite/interpreter.h"
namespace TFLiteRun
{
TensorDumper::TensorDumper()
{
// DO NOTHING
}
void TensorDumper::addTensors(tflite::Interpreter &interpreter, const std::vector<int> &indices)
{
for (const auto &o : indices)
{
const TfLiteTensor *tensor = interpreter.tensor(o);
int size = tensor->bytes;
std::vector<char> buffer;
buffer.resize(size);
memcpy(buffer.data(), tensor->data.raw, size);
_tensors.emplace_back(o, std::move(buffer));
}
}
void TensorDumper::dump(const std::string &filename) const
{
// TODO Handle file open/write error
std::ofstream file(filename, std::ios::out | std::ios::binary);
// Write number of tensors
uint32_t num_tensors = static_cast<uint32_t>(_tensors.size());
file.write(reinterpret_cast<const char *>(&num_tensors), sizeof(num_tensors));
// Write tensor indices
for (const auto &t : _tensors)
{
file.write(reinterpret_cast<const char *>(&t._index), sizeof(int));
}
// Write data
for (const auto &t : _tensors)
{
file.write(t._data.data(), t._data.size());
}
file.close();
}
} // end of namespace TFLiteRun
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