compute_index_simple.cxx

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#include "tests_config.hpp"

#include <utils/filesystem.hpp>
#include <utils/numerics.hpp>
#include <utils/dataset.hpp>
#include <utils/vision.hpp>
#include <utils/logger.hpp>
#include <search/bag_of_words/bag_of_words.hpp>
#include <search/inverted_index/inverted_index.hpp>

#include <iostream>

#if ENABLE_MULTITHREADING && ENABLE_OPENMP
#include <omp.h>
#endif
#if ENABLE_MULTITHREADING && ENABLE_MPI
#include <mpi.h>
#endif

_INITIALIZE_EASYLOGGINGPP

int main(int argc, char *argv[]) {
#if ENABLE_MULTITHREADING && ENABLE_MPI
        MPI::Init(argc, argv);
        int rank = MPI::COMM_WORLD.Get_rank();
        if(rank == 0) {
#endif
        const uint32_t num_clusters = 512;

        SimpleDataset simple_dataset(s_oxfordmini_data_dir, s_oxfordmini_database_location);
        LINFO << simple_dataset;

        std::stringstream vocab_output_file;
        vocab_output_file << simple_dataset.location() << "/vocabulary/" << num_clusters << ".vocab";

        std::shared_ptr<BagOfWords> bow = std::make_shared<BagOfWords>(vocab_output_file.str());

        InvertedIndex ii;
        std::shared_ptr<InvertedIndex::TrainParams> train_params = std::make_shared<InvertedIndex::TrainParams>();
        train_params->bag_of_words = bow;
        ii.train(simple_dataset, train_params, simple_dataset.all_images());

        std::stringstream index_output_file;
        index_output_file << simple_dataset.location() << "/index/" << num_clusters << ".index";
        filesystem::create_file_directory(index_output_file.str());
        ii.save(index_output_file.str());
#if ENABLE_MULTITHREADING && ENABLE_MPI
        }
        MPI::Finalize();
#endif
        return 0;
}