77 lines
2.3 KiB
C++
77 lines
2.3 KiB
C++
#include <chrono>
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#include <xcdat.hpp>
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#include "cmd_line_parser/parser.hpp"
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#include "tinyformat/tinyformat.h"
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cmd_line_parser::parser make_parser(int argc, char** argv) {
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cmd_line_parser::parser p(argc, argv);
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p.add("input_keys", "Input filepath of data keys");
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p.add("output_idx", "Output filepath of trie index");
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p.add("trie_type", "Trie type: [7|8] (default=7)", "-t", false);
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p.add("to_unique", "Make unique the input keys? (default=0)", "-u", false);
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return p;
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}
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template <class Trie>
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int build(const cmd_line_parser::parser& p) {
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const auto input_keys = p.get<std::string>("input_keys");
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const auto output_idx = p.get<std::string>("output_idx");
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const auto to_unique = p.get<bool>("to_unique", false);
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auto keys = xcdat::load_strings(input_keys);
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if (keys.empty()) {
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tfm::errorfln("Error: The input dataset is empty.");
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}
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if (to_unique) {
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std::sort(keys.begin(), keys.end());
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keys.erase(std::unique(keys.begin(), keys.end()), keys.end());
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}
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const auto start_tp = std::chrono::high_resolution_clock::now();
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const Trie trie(keys);
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const auto stop_tp = std::chrono::high_resolution_clock::now();
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const double time_in_sec =
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std::chrono::duration_cast<std::chrono::milliseconds>(stop_tp - start_tp).count() / 1000.0;
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const double memory_in_bytes = xcdat::memory_in_bytes(trie);
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tfm::printfln("time_in_sec: %g", time_in_sec);
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tfm::printfln("memory_in_bytes: %d", memory_in_bytes);
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tfm::printfln("memory_in_MiB: %g", memory_in_bytes / (1024.0 * 1024.0));
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tfm::printfln("number_of_keys: %d", trie.num_keys());
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tfm::printfln("alphabet_size: %d", trie.alphabet_size());
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tfm::printfln("max_length: %d", trie.max_length());
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xcdat::save(trie, output_idx);
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return 0;
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}
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int main(int argc, char** argv) {
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#ifndef NDEBUG
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tfm::warnfln("The code is running in debug mode.");
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#endif
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std::ios::sync_with_stdio(false);
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auto p = make_parser(argc, argv);
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if (!p.parse()) {
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return 1;
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}
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const auto trie_type = p.get<int>("trie_type", 7);
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switch (trie_type) {
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case 7:
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return build<xcdat::trie_7_type>(p);
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case 8:
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return build<xcdat::trie_8_type>(p);
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default:
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break;
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}
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p.help();
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return 1;
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} |