VectorSearch/vector_search_cli/main.cpp

#include "bucket_finder.h"
#include "grouped_finder.h"
#include "linear_finder.h"
#include "parallel_finder.h"
#include "sorted_linear_finder.h"
#include "timer.h"
#include "tree_finder.h"
#include "word_list.h"

#include <cstdlib>
#include <iostream>

using std::string, std::string_view, std::cout, std::endl;

WordList generate_word_list(size_t size_factor = 1) {
  cout << endl << "generating word list (" << size_factor << "x)" << endl;

  Timer generator_timer;
  auto word_list = WordList::fourCaps().multiply(size_factor).shuffle();
  generator_timer.stop();

  cout << "word list generator took " << generator_timer << endl;
  cout << "word list is " << word_list.size() << " element(s) long" << endl;

  return word_list;
}

void test_finder_search(Finder &finder, string_view name,
                        string_view search_term) {
  Timer find_timer;
  auto result = finder.find_prefix(search_term);
  find_timer.stop();

  cout << name << "(" << search_term << ") took " << find_timer << " for "
       << std::distance(result.cbegin(), result.cend()) << " results" << endl;
}

template <typename FINDER>
void test_finder(const WordList &word_list, string_view finder_name) {
  cout << endl << "running " << finder_name << endl;

  Timer constructor_timer;
  FINDER finder(word_list);
  constructor_timer.stop();
  cout << finder_name << " constructor took " << constructor_timer << endl;

  for (const auto &search_term :
       {"A", "Z", "AB", "ZY", "ABC", "ZYX", "ABCD", "ZYXW"}) {
    test_finder_search(finder, finder_name, search_term);
  }
}

int main(int argc, char *argv[]) {
  cout << endl << "== VectorSearch ==" << endl;

  auto word_list = generate_word_list(5);

  test_finder<BucketFinder>(word_list, "bucket finder");

  test_finder<LinearFinder>(word_list, "linear finder");
  test_finder<SortedLinearFinder>(word_list, "sorted linear finder");
  test_finder<ParallelFinder>(word_list, "parallel finder");
  test_finder<TreeFinder>(word_list, "tree finder");
  test_finder<GroupedFinder>(word_list, "grouped finder");

  return EXIT_SUCCESS;
}